CN108039219A - Direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery and preparation method thereof - Google Patents

Direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery and preparation method thereof Download PDF

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Publication number
CN108039219A
CN108039219A CN201711066355.0A CN201711066355A CN108039219A CN 108039219 A CN108039219 A CN 108039219A CN 201711066355 A CN201711066355 A CN 201711066355A CN 108039219 A CN108039219 A CN 108039219A
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CN
China
Prior art keywords
photoelectricity
thermoelectricity
isotope battery
radioactive source
transparent
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CN201711066355.0A
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Inventor
何佳清
周毅
李公平
张世旭
陈跃星
鄂得俊
孙鑫
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Southwest University of Science and Technology
Southern University of Science and Technology
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Southwest University of Science and Technology
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Priority to CN201711066355.0A priority Critical patent/CN108039219A/en
Publication of CN108039219A publication Critical patent/CN108039219A/en
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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21H—OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR; UTILISING COSMIC RADIATION
    • G21H1/00—Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes, nuclear or atomic batteries
    • G21H1/10—Cells in which radiation heats a thermoelectric junction or a thermionic converter
    • G21H1/103—Cells provided with thermo-electric generators
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21H—OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR; UTILISING COSMIC RADIATION
    • G21H1/00—Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes, nuclear or atomic batteries
    • G21H1/12—Cells using conversion of the radiation into light combined with subsequent photoelectric conversion into electric energy

Abstract

The invention discloses directly collect radiation ionization photoelectricity thermoelectricity isotope battery and preparation method thereof.The isotope battery includes：Transducing structure, cathode, anode, cushion pad, interior encapsulated layer, outer package heat dissipating layer and dead ring.Wherein, transducing structure includes：Metal substrate, radioactive source coating, high temperature resistant thermal insulation gasket, transparent charge-trapping plate, electrolyte solution, the first transparent insulating substrate, photoelectric subassembly, the first electricity output electrode, the second transparent insulating substrate, thermoelectric components and the second electricity output electrode.High temperature resistant thermal insulation gasket includes the first gasket and the second gasket.The direct collection radiation ionization photoelectricity thermoelectricity isotope battery can break through traditional static type isotope battery there are the larger technical bottleneck of single transducing, energy loss, have the characteristics that energy conversion efficiency height, output power, good operating stability.

Description

Direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery and preparation method thereof
Technical field
The invention belongs to thermo-electric device and isotope battery field, and in particular to direct collection-radiation ionization-light electric-thermal Electric isotope battery and preparation method thereof.
Background technology
Atom nuclear composition (or energy state) spontaneously changes, while the isotope for radiating emergent ray is known as the same position of radioactivity Element.Radioisotope battery, abbreviation isotope battery, it will be discharged using energy transducer during radioisotope decays is emitted The energy of line is converted into electric energy output, so as to reach power supply purpose.Since there is isotope battery service life length, environment to adapt to Property strong, good operating stability, Maintenance free, miniaturization the advantages that, at present in military and national defense, deep space deep-sea, polar region detection, raw The key areas such as thing medical treatment, electronics industry are widely used.
Isotope battery was proposed by English physicist Henry Moseley in 1913 first, and related isotope is electric The research in pond is concentrated mainly on past 100 years, with reference to isotope battery conversion efficiency height under different transposition modes and output The transposition mode of isotope battery can be divided into four classes by watt level：1. static type thermoelectric (al) type (direct collection, thermoelectric/thermoelectricity, Thermionic emission, contact potential difference, thermal photovoltaic, alkali metal thermo-electric conversion) isotope battery；2. radiation volta effect (Schottky, PN/PIN is tied) isotope battery；3. dynamic type thermoelectric (al) type (Brayton cycle, Stirling cycle, Rankine cycle, magnetohydrodynamic generator, External neutron source drive type) isotope battery；4. special transducing mechanism (penetrate by radioluminescence, decay lc circuit coupled resonance, universe The electromagnetic radiation of β particles, Magneto separate formula, radiation ionization, jetting flow piezoelectricity under line/electromagnetic wave collection, piezoelectric cantilever, magnetic confinement Formula) isotope battery.
The result of study of above-mentioned four classes isotope battery shows that low energy conversion efficiency is still being total to for current isotope battery Property where.The main research and development for having benefited from State-level of development of static type thermoelectric (al) type isotope battery, particularly thermal type The design of isotope battery (radioisotope thermoelectric generators, RTG) is with manufacture at present in the U.S. It has been be gradually improved that, but it is relatively low based on thermoelectric material transducing cell power conversion efficiency, even if NASA latest reports is enhanced Multitask thermal type isotope battery (enhanced multi-mission radioisotope thermoelectric Generators, eMMRTG) conversion efficiency also less than 10% (http://www.jpl.nasa.gov/news/news.php Feature=6646), thus its use scope is limited, civil nature process is more difficult.Radiate volta effect isotope battery with Semi-conducting material is transducing unit, it can be achieved that isotope battery device miniaturization, improves it in MEMS/NEMS and low-power device Application in terms of part, and as the fast development of wide bandgap semiconductor and multidimensional structure material achieves certain research effect, But radiation volta effect isotope battery has ray long-term irradiation lower semiconductor material property degradation, radiation volt is reduced Special efficacy answers the service life of isotope battery.
Therefore, the transducing structure of existing isotope battery is still further improved, with improve the conversion efficiency of battery with Job stability, expands application environment.
The content of the invention
It is contemplated that solve at least some of the technical problems in related technologies.For this reason, the present invention One purpose is to propose direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery and preparation method thereof.Isotope electricity Pond can break through traditional static type isotope battery there are the larger technical bottleneck of single transducing, energy loss, have energy conversion effect The features such as rate height, output power, good operating stability.
In the first aspect of the present invention, the present invention proposes a kind of directly collection-radiation ionization-photoelectricity-thermoelectricity isotope Battery.According to an embodiment of the invention, which includes：
Transducing structure, the transducing structure include：
Metal substrate, the metal substrate are in the form of a column, and the both ends of the metal substrate are respectively positive terminal and negative pole end；
Radioactive source coating, the radioactive source coating are formed on the outer circumferential surface of the metal substrate, the metal substrate Negative pole end is concordant with one end of the radioactive source coating, and the positive terminal of the metal substrate protrudes the another of the radioactive source coating End；
First gasket, first gasket is annular in shape, and first gasket is being set in the metal substrate just Offset extremely and with the radioactive source coating；
Second gasket, second gasket are arranged on the negative pole end of the metal substrate and the radioactive source coating On end face；
Transparent charge-trapping plate, the transparent charge-trapping sleeve-board is located at the periphery of the radioactive source coating, described transparent The inner peripheral surface at charge-trapping plate both ends offsets with first gasket and second gasket respectively, and the transparent electric charge is received Collecting interval between plate and the radioactive source coating, formed with cavity, the cavity is interior to be filled with electrolyte solution；
First transparent insulating substrate, first transparent insulating substrate are formed in the outer circumferential surface of the transparent charge-trapping plate On；
Photoelectric subassembly, the photoelectric subassembly is arranged on the outer circumferential surface of first transparent insulating substrate, and the photoelectricity The first electricity output electrode is respectively arranged with the end face at component both ends；
Second transparent insulating substrate, second transparent insulating substrate are formed on the outer circumferential surface of the photoelectric subassembly；
Thermoelectric components, the thermoelectric components are arranged on the outer circumferential surface of second transparent insulating substrate, and the thermoelectricity The second electricity output electrode is respectively arranged with the end face at component both ends；
Cathode, the cathode are arranged on the positive terminal of the transducing structure；
Anode, the anode are arranged on the negative pole end of the transducing structure；
Cushion pad, the cushion pad be wrapped in the transducing structure outer circumferential surface and the cathode and the anode one On part；
Interior encapsulated layer, the interior encapsulated layer are wrapped on the outer surface of the cushion pad；And
Outer package heat dissipating layer, the outer package heat dissipating layer are wrapped on the outer surface of the interior encapsulated layer, the outer package Dead ring is provided between heat dissipating layer and the cathode and the anode.
It is quiet that direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to embodiments of the present invention can break through tradition State type isotope battery there are the larger technical bottleneck of single transducing, energy loss, have energy conversion efficiency height, output power, The features such as good operating stability.
In addition, directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to the above embodiment of the present invention may be used also With with technical characteristic additional as follows：
In some embodiments of the invention, the directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery is in circle Column, elliptic cylindrical shape, prism-shaped or regular prism shape.
In some embodiments of the invention, the metal substrate is formed by W, Cu or Cr.
In some embodiments of the invention, the radioactive source coating is formed by αsource, and the αsource is choosing From210Po、Gd210Po、210Po(RE)、210Po(RE)3、235U、238Pu、238PuO2Microballoon,238PuO2- Mo ceramics,238PuO2Fuel Ball,238PuO2Ceramics,238Pu-Zr alloys,238Pu-Ga alloys,238Pu-Pt alloys,238Pu-Sc alloys,238PuN、238PuC、241Am、242Cm、242Cm2O3、244Cm and244Cm2O3At least one of.
In some embodiments of the invention, the radioactive source coating is formed by radiator beta-ray, the radiator beta-ray be selected from Sc3H2、(C4H3 3H5-)n、14C、35S、63Ni、90Sr、90Sr/90Y、90SrTiO3、106Ru、137Cs、137CsCl、144Ce、144CeO2、147Pm、147Pm2O3With151At least one of Sm.
In some embodiments of the invention, the electrolyte solution is KOH solution or NaOH solution.
In some embodiments of the invention, the transparent charge-trapping plate is by Nb, NbN, Mo, Sn (ITO) or AI (ZAO) Formed.
In some embodiments of the invention, the photoelectric subassembly is by Si, Ge, Nd2O3、GaSb、InGaAsSb、InGaAs Or InPAsSb is formed.
In some embodiments of the invention, the thermoelectric components are by NaCo2O5Skutterudite nano material, Si0.8Ge0.2Receive Rice material, SiGe/PbTe functionally graded material, PbSnTe/TAGS/PbTe functionally graded material, PbTe/TAGS/BiTe functions Functionally gradient material (FGM), PbTe/TAGS functionally graded material or PbTe functionally graded material are formed.
In the second aspect of the present invention, the present invention propose it is a kind of prepare above-described embodiment direct collection-radiation ionization- The method of photoelectricity-thermoelectricity isotope battery.According to an embodiment of the invention, this method includes：(1) metal substrate is provided；(2) exist Radioactive source coating is electroplated on the outer circumferential surface of the metal substrate；(3) set respectively in the positive terminal and negative pole end of the metal substrate Put the first gasket and the second gasket；(4) periphery of the radioactive source coating is arranged transparent charge-trapping plate, and described Filling electrolyte solution in the cavity of formation is spaced between transparent charge-trapping plate and the radioactive source coating；(5) described Deposition forms the first transparent insulating substrate on the outer circumferential surface of bright charge-trapping plate；(6) in the outer of first transparent insulating substrate Photoelectric subassembly is set on side face, and the first electricity output electrode is formed at the both ends of the photoelectric subassembly；(7) in the photoelectricity group Deposition forms the second transparent insulating substrate on the outer circumferential surface of part；(8) set on the outer circumferential surface of second transparent insulating substrate Thermoelectric components, and the second electricity output electrode is formed at the both ends of the thermoelectric components, to obtain transducing structure；(9) in institute The positive terminal and negative pole end for stating transducing structure form cathode and anode respectively, to obtain battery base substrate；(10) in the transducing Cushion pad is wrapped up in the outer circumferential surface of structure and a part for the cathode and the anode；(11) in the appearance of the cushion pad Encapsulated layer in being set on face；And (12) wrap up outer package heat dissipating layer on the outer surface of the interior encapsulated layer, and described outer Dead ring is set between package cooling layer and the cathode and the anode, to obtain the directly collection-radiation ionization-light Electric-thermal electricity isotope battery.
Thus, the side for preparing direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to embodiments of the present invention Direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery that method is prepared can break through traditional static type isotope battery There are the technical bottleneck that single transducing, energy loss are larger, has energy conversion efficiency height, output power, good operating stability etc. Feature.
In addition, according to the above embodiment of the present invention prepare direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery Method can also have technical characteristic additional as follows：
In some embodiments of the invention, the interior encapsulated layer is by the way that the transducing structure for wrapping up the cushion pad is placed In mould, and encapsulating material in perfusion, formed after shaping to be solidified.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment Substantially and it is readily appreciated that, wherein：
Fig. 1 is the knot of directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to an embodiment of the invention Structure schematic diagram；
Fig. 2 is the footpath of directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to an embodiment of the invention To cross section structure schematic diagram；
Fig. 3 is according to an embodiment of the invention to prepare direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery Method flow schematic diagram；
Fig. 4 is according to an embodiment of the invention to prepare direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery Method flow schematic diagram；
Fig. 5 is according to an embodiment of the invention to prepare direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery Method flow schematic diagram；
Fig. 6 is according to an embodiment of the invention to prepare direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery Method flow schematic diagram；
Fig. 7 is according to an embodiment of the invention to prepare direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery Method flow schematic diagram；
Fig. 8 is according to an embodiment of the invention to prepare direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery Method flow schematic diagram；
Fig. 9 is according to an embodiment of the invention to prepare direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery Method flow schematic diagram；
Figure 10 is according to an embodiment of the invention to prepare direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery Method flow schematic diagram；
Figure 11 is according to an embodiment of the invention to prepare direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery Method flow schematic diagram；
Figure 12 is according to an embodiment of the invention to prepare direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery Method flow schematic diagram.
Description of reference numerals：
1- high temperature resistant thermal insulation gaskets；2- metal substrates；3- radioactive source coating；4- electrolyte solutions；The transparent electric charges of 5- are received Collect plate；The first transparent insulating substrates of 6-；7- photoelectric subassemblys；The second transparent insulating substrates of 8-；9- thermoelectric components；10- anode；11- Cushion pad；Encapsulated layer in 12-；13- outer package heat dissipating layers；14- the first electricity output electrodes；15- the second electricity output electrodes； 16- dead rings；17- cathodes.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be based on orientation shown in the drawings or Position relationship, is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, the term such as " installation ", " connected ", " connection ", " fixation " It should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can mechanically connect, Can also be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be inside two elements Connection or the interaction relationship of two elements, unless otherwise restricted clearly.For the ordinary skill in the art, The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the first aspect of the present invention, the present invention proposes a kind of directly collection-radiation ionization-photoelectricity-thermoelectricity isotope Battery.According to an embodiment of the invention, include with reference to 1~Fig. 2 of figure, the isotope battery：Transducing structure, cathode 17, anode 10, Cushion pad 11, interior encapsulated layer 12, outer package heat dissipating layer 13 and dead ring 16.Wherein, transducing structure includes：Metal substrate 2, radiation Source coating 3, high temperature resistant thermal insulation gasket 1, transparent charge-trapping plate 5, electrolyte solution 4, the first transparent insulating substrate 6, photoelectricity Component 7, the first electricity output electrode 14, the second electricity output electrode 15, the second transparent insulating substrate 8 and thermoelectric components 9.Resistance to height Warm thermal insulation gasket 1 includes the first gasket and the second gasket.
According to an embodiment of the invention, metal substrate 2 is in the form of a column, and the both ends of metal substrate 2 are respectively positive terminal and anode End.According to a particular embodiment of the invention, metal substrate 2 can be formed by W, Cu or Cr.
According to an embodiment of the invention, radioactive source coating 3 is formed on the outer circumferential surface of metal substrate 2, and metal substrate 2 is born Extremely concordant with one end of radioactive source coating 3, the positive terminal of metal substrate 2 protrudes the other end of radioactive source coating 3.
According to a particular embodiment of the invention, radioactive source coating can be formed by αsource, and αsource can be choosing From210Po、Gd210Po、210Po(RE)、210Po(RE)3、235U、238Pu、238PuO2Microballoon,238PuO2- Mo ceramics,238PuO2Fuel Ball,238PuO2Ceramics,238Pu-Zr alloys,238Pu-Ga alloys,238Pu-Pt alloys,238Pu-Sc alloys,238PuN、238PuC、241Am、242Cm、242Cm2O3、244Cm and244Cm2O3At least one of.
According to a particular embodiment of the invention, radioactive source coating can be formed by radiator beta-ray, and radiator beta-ray can be choosing From Sc3H2、(C4H3 3H5-)n、14C、35S、63Ni、90Sr、90Sr/90Y、90SrTiO3、106Ru、137Cs、137CsCl、144Ce、144CeO2 、147Pm、147Pm2O3With151At least one of Sm.
A specific embodiment according to the present invention, can be adjustable according to the demand of output voltage electric current during practical application The activity size of whole radioactive source coating 3.
According to an embodiment of the invention, the first gasket is annular in shape, and the first gasket is set in the positive terminal of metal substrate 2 And offset with radioactive source coating 3.
According to an embodiment of the invention, the second gasket is arranged on the negative pole end of metal substrate 2 and the end of radioactive source coating 3 On face.
According to a particular embodiment of the invention, it can be dustless asbestos cloth or silicon that the first gasket and the second gasket, which are, Sour aluminum products.
According to an embodiment of the invention, transparent charge-trapping plate 5 is set in the periphery of radioactive source coating 3, and transparent electric charge is received The inner peripheral surface at 5 both ends of collection plate offsets with the first gasket and the second gasket respectively, transparent charge-trapping plate 5 and radioactive source coating Formed with cavity, the cavity is interior to be filled with electrolyte solution 4 at interval between 3.According to a particular embodiment of the invention, transparent electric charge Collecting board 5 can be formed by Nb, NbN, Mo, Sn (ITO) or AI (ZAO).Transparent charge-trapping plate 5 has while collection of ions Selective filtering and thermal reflection, selective filter improve the Wavelength matched and photoelectric efficiency of photoelectric subassembly 7, heat reflection Reduce battery heat dissipation and increase 9 hot junction of thermoelectric components and improve conversion efficiency of thermoelectric with cold-end temperature difference.
According to a particular embodiment of the invention, above-mentioned electrolyte solution 4 can be KOH solution or NaOH solution.Thus, it is electric Electrolyte solution 4 produces the ion and free radical of opposed polarity under 3 ionization of radioactive source coating, and it is close to increase battery charge Degree, improves energy conversion efficiency, and reduces the irradiation damage of photoelectric subassembly 7 and 9 transductive material of thermoelectric components, reduces electricity The radiation protection in pond, ensure that battery security.
According to an embodiment of the invention, the first transparent insulating substrate 6 is formed on the outer circumferential surface of transparent charge-trapping plate 5. According to a particular embodiment of the invention, the first transparent insulating substrate 6 can be by SiO2, silica gel or epoxy resin formed.First is saturating Bright dielectric substrate 6 aims to provide the electric insulation between transparent charge-trapping plate 5 and photoelectric subassembly 7, while has selective filter Function, improves the photoelectric conversion efficiency of photoelectric subassembly 7.
According to an embodiment of the invention, photoelectric subassembly 7 is arranged on the outer circumferential surface of the first transparent insulating substrate 6, and photoelectricity The first electricity output electrode 14 is respectively arranged with the end face at 7 both ends of component.
According to a particular embodiment of the invention, photoelectric subassembly 7 can be by Si, Ge, Nd2O3、GaSb、InGaAsSb、InGaAs Or InPAsSb is formed.Photoelectric subassembly 7 is to improve inside battery structure release using the far red light electric material of low energy gap width Wavelength matched, the raising photoelectric conversion efficiency of infrared light.
According to a particular embodiment of the invention, the first electricity output electrode 14 can be by Au, Pd, Pt, Al, Cu, Ni or Ti Formed.
According to an embodiment of the invention, the second transparent insulating substrate 8 is formed on the outer circumferential surface of photoelectric subassembly 7.According to this The specific embodiment of invention, the second transparent insulating substrate 8 can be by SiO2, silica gel or epoxy resin formed.
According to an embodiment of the invention, thermoelectric components 9 are arranged on the outer circumferential surface of the second transparent insulating substrate 8, and thermoelectricity The second electricity output electrode 15 is respectively arranged with the end face at 9 both ends of component.
A specific embodiment according to the present invention, thermoelectric components 9 can be by NaCo2O5Skutterudite nano material, Si0.8Ge0.2Nano material, SiGe/PbTe functionally graded material, PbSnTe/TAGS/PbTe functionally graded material, PbTe/ TAGS/BiTe functionally graded material, PbTe/TAGS functionally graded material or PbTe functionally graded material are formed, and fixed cladding In the outside of the second transparent insulating substrate 8, tubular structure is formed.Meanwhile can be required according to design parameter, thermoelectricity group may be selected The quantity of thermoelectric unit in part 9, selects series, parallel or the mode of connection in series-parallel combination to assemble thermoelectric unit.
According to a particular embodiment of the invention, the second electricity output electrode 15 can be by Au, Pd, Pt, Al, Cu, Ni or Ti Formed.
According to an embodiment of the invention, cathode 17 is arranged on the positive terminal of transducing structure.It should be noted that above-mentioned transducing The positive terminal of structure refers to transducing structure adjacent to one end of above-mentioned 2 positive terminal of metal substrate.
According to an embodiment of the invention, anode 10 is arranged on the negative pole end of transducing structure.It should be noted that above-mentioned transducing The negative pole end of structure refers to transducing structure adjacent to one end of above-mentioned 2 negative pole end of metal substrate.
According to a particular embodiment of the invention, cathode 17 and anode 10 can be formed by Au, Pd, Pt, Al, Cu, Ni or Ti.
According to an embodiment of the invention, cushion pad 11 is wrapped in the outer circumferential surface and cathode 17 and anode 10 of transducing structure In a part.According to a particular embodiment of the invention, the material of cushion pad 11 can be carbon fiber.Meanwhile according to real work The requirement of environment, can adjust the thickness of cushion pad 11.
According to an embodiment of the invention, interior encapsulated layer 12 is wrapped on the outer surface of cushion pad 11.Tool according to the present invention Body embodiment, the material of interior encapsulated layer 12 can be graphite-epoxy heat-conductive composite material.
According to an embodiment of the invention, outer package heat dissipating layer 13 is wrapped on the outer surface of interior encapsulated layer 12, and outer package dissipates Dead ring 16 is provided between thermosphere 13 and cathode 17 and anode 10.According to a particular embodiment of the invention, outer package heat dissipating layer 13 material can be FeNi kovar alloys；The material of dead ring 16 can be SiO2Or silica gel.It is specific real according to the present invention Example is applied, outer package heat dissipating layer 13 can play cooling effect, according to the requirement of actual working environment, it may be determined that outer package heat dissipating layer 13 radiating fin quantity.
According to an embodiment of the invention, direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery of the invention is in circle Column, elliptic cylindrical shape, prism-shaped or regular prism shape.Thus, it is possible to further improve the scope of application of isotope battery.
It is quiet that direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to embodiments of the present invention can break through tradition State type isotope battery there are the larger technical bottleneck of single transducing, energy loss, have energy conversion efficiency height, output power, The features such as good operating stability.
According to an embodiment of the invention, the discharged ray of radio isotope generation decay incides transduction assembly In, the energy of ray is converted into electric energy and thermal energy, and the thermal energy in transduction assembly is passed to transducing by high heat conductive material Device (metal substrate, photoelectric subassembly, thermoelectric components) realizes that Radioactive Source Decay can be to electric transformation of energy.Similarly, the present invention is carried To direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery realize electricity output process can be described as successively：Put When injectivity isotope decays the ionization that discharges generate free radicals in electrolyte solution ionization, secondary ion, by transparent Charge-trapping plate is collected ion, free radical, secondary ion；Metal substrate, radioactive source coating, transparent charge-trapping plate are same When discharge infrared light, infrared light is converted into by electric energy using photoelectric subassembly；Thermoelectric components are finally utilized by the metal of inside battery The temperature difference between substrate, radioactive source coating, transparent charge-trapping plate, photoelectric subassembly and outer package heat dissipating layer is converted into electric energy；On It is defeated to state metal substrate, the transparent charge-trapping plate in cathode side, cathode side the first electricity output electrode, the second electricity of cathode side Go out electrode access cathode in parallel successively, the transparent charge-trapping plate in anode side, anode side the first electricity output electrode, anode one Access anode in parallel realizes that electric energy exports to side the second electricity output electrode successively.
Isotope battery provided by the invention is transducing material by using electrolyte solution, photoelectric material and thermoelectric material Material, effectively breaches the technical bottleneck that single transducing, energy loss are larger existing for traditional static type isotope battery, while larger journey The energy conversion efficiency of static type isotope battery is improved degree, and there is energy conversion efficiency height, output power, environment to fit With the features such as property is strong, good operating stability, service life long, easy to implement, can long-time stable work in military and national defense, deep space The key areas such as deep-sea, polar region detection, biologic medical, electronics industry, further meet the environmentally friendly, efficient, just of energy demand Take, is pervasive.
As described above, direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to embodiments of the present invention can be with Have the advantages that selected from least one following：
1st, the present invention is collected ion, free radical, secondary ion using transparent charge-trapping plate, and it is quiet to breach tradition State type isotope battery be confined to capacitor, metal plate mode it is lower realize electronics collect energy loss is larger, current density compared with Technical bottleneck small, conversion efficiency is relatively low, and the filter action of transparent charge-trapping plate selectivity helps to improve photoelectric subassembly Conversion efficiency, it has reference value to static type isotope battery of new generation research, available for fields such as MEMS.
2nd, the present invention is using the side such as metal substrate, electrolyte solution, transparent charge-trapping plate, photoelectric subassembly, thermoelectric components Formula realizes cascade step transducing, largely improves cell power conversion efficiency, meets energy low-carbon environment-friendly, integrated height Effect, economic pervasive requirement.
3rd, the present invention is successively using metal substrate, electrolyte solution, transparent charge-trapping plate, photoelectric subassembly, thermoelectric components Realize that Radioactive Source Decay can be converted to electric energy, stratiform transducing structure effectively reduce or even avoid semi-conducting material (photoelectric subassembly, Thermoelectric components) irradiation damage, and shielding action is played to ray, further increases the security of battery.
4th, the present invention uses cushion pad to inside battery transduction assembly and battery electrode junction, battery transducing structure appearance Face carries out adiabatic bonding, and helping to buffer mechanical presses existing for the inside battery structure such as radioactive source and transduction assembly should with heat Power, improves stability test, and preferably works in various adverse circumstances.
In the second aspect of the present invention, the present invention propose it is a kind of prepare above-described embodiment direct collection-radiation ionization- The method of photoelectricity-thermoelectricity isotope battery.According to an embodiment of the invention, this method includes：(1) metal substrate is provided；(2) exist Radioactive source coating is electroplated on the outer circumferential surface of metal substrate；(3) metal substrate positive terminal and negative pole end set respectively it is first close Packing and the second gasket；(4) periphery of radioactive source coating is arranged transparent charge-trapping plate, and transparent charge-trapping plate with Filling electrolyte solution in the cavity of formation is spaced between radioactive source coating；(5) sink on the outer circumferential surface of transparent charge-trapping plate Product forms the first transparent insulating substrate；(6) photoelectric subassembly is set on the outer circumferential surface of the first transparent insulating substrate, and in photoelectricity group The both ends of part form the first electricity output electrode；(7) deposition forms the second transparent insulating substrate on the outer circumferential surface of photoelectric subassembly； (8) thermoelectric components are set on the outer circumferential surface of the second transparent insulating substrate, and it is defeated in the both ends of thermoelectric components the second electricity of formation Go out electrode, to obtain transducing structure；(9) cathode and anode are formed respectively in the positive terminal and negative pole end of transducing structure, so as to Obtain battery base substrate；(10) cushion pad is wrapped up on the outer circumferential surface and cathode of transducing structure and a part for anode；(11) exist Encapsulated layer in being set on the outer surface of cushion pad；And (12) wrap up outer package heat dissipating layer on the outer surface of interior encapsulated layer, and Dead ring is set between outer package cooling layer and cathode and anode, to obtain direct collection-radiation ionization-photoelectricity-thermoelectricity Isotope battery.
Thus, the side for preparing direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to embodiments of the present invention Direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery that method is prepared can break through traditional static type isotope battery There are the technical bottleneck that single transducing, energy loss are larger, has energy conversion efficiency height, output power, good operating stability etc. Feature.
According to an embodiment of the invention, interior encapsulated layer can be formed using the filling method of mould.Specifically, interior encapsulated layer can be with By the way that the transducing structure for being enclosed with cushion pad is placed in mould, and encapsulating material in perfusion, formed after shaping to be solidified.
According to a particular embodiment of the invention ,-radiation ionization-photoelectricity-thermoelectricity isotope battery is directly collected in above-mentioned preparation Method can include prepare transducing structure, assemble battery structure, filling interior encapsulating material and prepare outer package heat dissipating layer；Specifically Step is as follows：
(1) transducing structure is prepared
A, the metal substrate for determining shape is selected, in its electroplating surface radioactive source coating；
B, the transparent charge-trapping plate for determining shape is selected, with high-temperature adhesives by high temperature resistant thermal insulation gasket and radioactive source Both ends, transparent charge-trapping plate both ends are fixed, and assemble certain electrolyte solution and heat insulating package；
C, deposit to form the first transparent insulating substrate in transparent charge-trapping plate side surface, with high-temperature adhesives by photoelectricity group Part is fixed on the first transparent insulating substrate outer surface；
D, the first electricity output electrode is formed in the plating of photoelectric subassembly both ends side surface, sputtering；
E, deposit to form the second transparent insulating substrate in photoelectric subassembly side surface, fixed thermoelectric components with high-temperature adhesives In the second transparent insulating substrate side surface；
F, the second electricity output electrode is formed in the plating of thermoelectric components both ends of the surface, sputtering, transducing structure is made.
(2) battery structure is assembled
A, cathode, anode are formed in the plating of transducing structure both ends of the surface, sputtering, forms battery base substrate；
Cushion pad is bonded in cathode, the anode of transducing structure side surface and its both ends with high-temperature adhesives, to battery b, Base substrate carries out heat insulating package, forms cushion pad outside battery base substrate, assembles and complete battery structure.
(3) filling interior encapsulating material is with preparing outer package heat dissipating layer
A, the filling closing of battery structure that will assemble completion with interior encapsulating material using the filling method of mould, places ten at room temperature Shaping cured above in two hours, prepares encapsulated layer in completing；
B, encapsulation layer surface fixed packet covers outer package heat dissipation layer material inside, and interface is fixed with fluid sealant, prepares covering Fill heat dissipating layer.
C, in interior encapsulated layer and the same cathode of outer package heat dissipating layer, anode intersection assembling dead ring, battery integrally group is completed Dress.
Cathode, anode can also be prepared using evaporation or electro-plating method in transducing structure both ends of the surface in above-mentioned steps (2) a.
It should be noted that above-mentioned be directed to direct collection-radiation ionization-photoelectricity-described spy of thermoelectricity isotope battery Advantage of seeking peace is equally applicable to the preparation and directly collects the-method of radiation ionization-photoelectricity-thermoelectricity isotope battery, herein no longer Repeat.
Below with reference to specific embodiment, present invention is described, it is necessary to which explanation, these embodiments are only to describe Property, without limiting the invention in any way.
Embodiment 1
The structure of direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery is as shown in Fig. 1~2：
As shown in Figures 1 and 2：Direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery, including radioactive source coating 3 With transducing structure；Cathode 17 and anode 10 are assembled in isotope battery generally column structure, transducing structure both ends respectively；Transducing knot Structure include from inside to outside the metal substrate 2 that lamination is set successively, electrolyte solution 4, transparent charge-trapping plate 5 and photoelectric subassembly 7, Thermoelectric components 9；Radioactive source coating 3 is arranged on 2 surface of metal substrate；Assembled between transparent charge-trapping plate 5 and radioactive source coating 3 There is electrolyte solution 4, the metal substrate 2 of 10 side of anode, radioactive source coating 3, the end face of electrolyte solution 4 are exhausted equipped with high temperature resistant Pad 1 is heated seal, the radioactive source coating 3 of 17 side of cathode is equipped with high temperature resistant thermal insulation gasket 1 with the end face of electrolyte solution 4, thoroughly Bright charge-trapping plate 5 at intervals of two sections and is respectively connected to cathode 17 and anode 10, metal substrate by high temperature resistant thermal insulation gasket 1 2nd, radioactive source coating 3, electrolyte solution 4 form sealing structure with transparent charge-trapping plate 5 by high temperature resistant thermal insulation gasket 1； It is transparent that transducing structure further includes the first transparent insulating substrate 6 that close lamination is set successively from inside to outside, photoelectric subassembly 7, second Dielectric substrate 8 and thermoelectric components 9, the first transparent insulating substrate 6 are located at transparent 5 side surface of charge-trapping plate；7 both ends of photoelectric subassembly Equipped with the first electricity output electrode 14,9 both ends of thermoelectric components are equipped with the second electricity output electrode 15；Transducing structure side surface and its Cathode 17, the anode 10 at both ends are coated with cushion pad 11,11 outer surface of cushion pad set in encapsulated layer 12, interior 12 appearance of encapsulated layer Face sets outer package heat dissipating layer 13, and dead ring 16 is equipped between outer package heat dissipating layer 13 and cathode 17, anode 10.
Referring to Fig. 2, battery radial structure is distributed in sandwich-like, be followed successively by from inside to outside metal substrate 2, radioactive source coating 3, Electrolyte solution 4, transparent charge-trapping plate 5, the first transparent insulating substrate 6, photoelectric subassembly 7, the second transparent insulating substrate 8, heat Electrical component 9, cushion pad 11, interior encapsulated layer 12 and outer package heat dissipating layer 13.
The radioactive source coating 3 of the present embodiment is radiator beta-ray90Sr；Metal substrate 2 is Ni metal；Transparent charge-trapping plate 5 Material is NbN；Electrolyte solution 4 is KOH solution；The material of photoelectric subassembly 7 is GaSb；The material of thermoelectric components 9 is PbTe；The One electricity output electrode 14, the second electricity output electrode 15, cathode 17 are identical with the material of anode 10, are Ni metal；First is saturating Bright dielectric substrate 6, the second transparent insulating substrate 8 are identical with the material of dead ring 16, are epoxy resin；High temperature resistant thermal insulation gasket 1 material is dustless asbestos cloth；The material of cushion pad 11 is carbon fiber；The material of interior encapsulated layer 12 is led for graphite-epoxy Hot composite material；The material of outer package heat dissipating layer 13 is FeNi kovar alloys.
Radioactive source coating 3 can also be αsource, such as：210Po or Gd210Po or210Po (RE) or210Po(RE)3Or235U or238Pu or238PuO2Microballoon or238PuO2Fuel sphere or238PuO2Ceramics or238Pu-Zr alloys or238Pu-Ga alloys or238Pu-Pt alloys or238Pu-Sc alloys or238PuN or238PuC or241Am or242Cm or242Cm2O3Or244Cm or244Cm2O3；Put It can also be radiator beta-ray to penetrate source coating 3, such as：Sc3H2Or (C4H3 3H5-)nOr14C or35S or63Ni or90Sr/90Y or90SrTiO3 Or106Ru or137Cs or137CsCl or144Ce or144CeO2Or147Pm or147Pm2O3Or151Sm。
Metal substrate 2 is refractory metal, can also be metal W or metal Cr；
Electrolyte solution 4 can also be NaOH aqueous solutions.
Transparent charge-trapping plate 5 can also be other low work function materials with transparent conductivity and low electron emissivity Make, such as：Nb or Mo or Sn (ITO) or AI (ZAO).
The material of photoelectric subassembly 7 can also be Si or Ge or Nd2O3Or InGaAsSb or InGaAs or InPAsSb.
The material of thermoelectric components 9 can also be NaCo2O5Skutterudite nano material or Si0.8Ge0.2Nano material or SiGe/ PbTe functionally graded material or PbSnTe/TAGS/PbTe functionally graded material or PbTe/TAGS/BiTe functionally graded material or PbTe/TAGS functionally graded material.
First electricity output electrode 14, the second electricity output electrode 15, cathode 17 are identical with the material of anode 10, can be with It is metal Au or Pd or Pt or Al or Ni or Ti.
First transparent insulating substrate 6, the second transparent insulating substrate 8 are identical with the material of dead ring 16, can also be SiO2 Or silica gel；The material of high temperature resistant thermal insulation gasket 1 can also be aluminium silicate products.
Isotope battery integrally can also be elliptic cylindrical shape structure or regular prism shape structure.
Embodiment 2
The preparation method of direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery of the embodiment of the present invention, specific step It is rapid as follows：
(1) transducing structure is prepared
A, referring to Fig. 3, by the use of Ni metal as metal substrate 2, electroplated in definite 2 outside curve of shaped metal substrate90Sr makees For radiator beta-ray coating 3.
B, it is with high-temperature seal adhesive that high temperature resistant is adiabatic by the use of dustless asbestos cloth as high temperature resistant thermal insulation gasket 1 referring to Fig. 4 Gasket 1 forms sealing source structure with metal substrate 2,3 fixing seal of radioactive source coating.
C, referring to Fig. 5, at a certain distance from away from sealing source structure, with high-temperature adhesives by cylindric transparent charge-trapping plate 5 mutually fix with high temperature resistant thermal insulation gasket 1 with sealing source structure, and assemble certain KOH solution as electrolyte solution to device 4。
D, referring to Fig. 6：The first transparent insulating substrate 6 is formed in transparent 5 outside deposition epoxy resin of charge-trapping plate, is used Binding agent fixes GaSb materials in 6 outer surface of the first transparent insulating substrate as photoelectric subassembly 7, and in 7 both ends of photoelectric subassembly electricity Plate Ni metal and form the first electricity output electrode 14.
E, referring to Fig. 7：The second transparent insulating substrate 8 is formed in 7 outside deposition epoxy resin of photoelectric subassembly, uses binding agent PbTe materials are fixed in 8 outer surface of the second transparent insulating substrate as thermoelectric components 9, and in 9 both ends plating metal of thermoelectric components Cu forms the second electricity output electrode 15, completes the preparation of transducing structure.
(2) battery structure is assembled
A, referring to Fig. 8：At transducing structure both ends, difference plating metal Cu forms cathode 17, anode 10, forms battery base substrate.
B, referring to Fig. 9：Cushion pad 11 is formed forming the battery base substrate outer surface carbon fiber that is adhesively fixed with high-temperature adhesives, Complete assembling for battery structure.
(3) filling interior encapsulating material is with preparing outer package heat dissipating layer
A, referring to Figure 10：, will using the filling method of mould by the use of graphite-epoxy heat-conductive composite material as interior encapsulating material The filling closing of battery structure of completion is assembled, places shaping cured above in 12 hours at room temperature, prepares encapsulated layer 12 in completing；
B, referring to Figure 11：FeNi kovar alloys are coated on interior 12 surface of encapsulated layer, interface is fixed with fluid sealant, is prepared outer Package cooling layer 13.
C, referring to Figure 12：It is exhausted with the intersection assembling of cathode 17, anode 10 in interior encapsulated layer 12 and outer package heat dissipating layer 13 Edge ring 16, completes battery overall package.
Embodiment 3；
(1) transducing structure is prepared, with embodiment 1.
(2) battery structure is assembled, cathode 17, anode 10 are prepared using evaporation or electro-plating method in transducing structure both ends of the surface, Remaining same embodiment 1.
(3) filling interior encapsulating material is with preparing outer sealing 13, with embodiment 1.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office Combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this area Art personnel can be tied the different embodiments or example described in this specification and different embodiments or exemplary feature Close and combine.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (10)

  1. A kind of 1. directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery, it is characterised in that including：
    Transducing structure, the transducing structure include：
    Metal substrate, the metal substrate are in the form of a column, and the both ends of the metal substrate are respectively positive terminal and negative pole end；
    Radioactive source coating, the radioactive source coating are formed on the outer circumferential surface of the metal substrate, the anode of the metal substrate End is concordant with one end of the radioactive source coating, and the positive terminal of the metal substrate protrudes the other end of the radioactive source coating；
    First gasket, first gasket is annular in shape, and first gasket is set in the positive terminal of the metal substrate And offset with the radioactive source coating；
    Second gasket, second gasket are arranged on the negative pole end of the metal substrate and the end face of the radioactive source coating On；
    Transparent charge-trapping plate, the transparent charge-trapping sleeve-board are located at the periphery of the radioactive source coating, the transparent electric charge The inner peripheral surface at collecting board both ends offsets with first gasket and second gasket respectively, the transparent charge-trapping plate Formed with cavity, the cavity is interior to be filled with electrolyte solution at interval between the radioactive source coating；
    First transparent insulating substrate, first transparent insulating substrate are formed on the outer circumferential surface of the transparent charge-trapping plate；
    Photoelectric subassembly, the photoelectric subassembly is arranged on the outer circumferential surface of first transparent insulating substrate, and the photoelectric subassembly The first electricity output electrode is respectively arranged with the end face at both ends；
    Second transparent insulating substrate, second transparent insulating substrate are formed on the outer circumferential surface of the photoelectric subassembly；
    Thermoelectric components, the thermoelectric components are arranged on the outer circumferential surface of second transparent insulating substrate, and the thermoelectric components The second electricity output electrode is respectively arranged with the end face at both ends；
    Cathode, the cathode are arranged on the positive terminal of the transducing structure；
    Anode, the anode are arranged on the negative pole end of the transducing structure；
    Cushion pad, the cushion pad are wrapped in the outer circumferential surface and a part for the cathode and the anode of the transducing structure On；
    Interior encapsulated layer, the interior encapsulated layer are wrapped on the outer surface of the cushion pad；And
    Outer package heat dissipating layer, the outer package heat dissipating layer are wrapped on the outer surface of the interior encapsulated layer, the outer package heat dissipation Dead ring is provided between layer and the cathode and the anode.
  2. 2. directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to claim 1, it is characterised in that institute State cylindrical direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery, elliptic cylindrical shape, prism-shaped or regular prism shape.
  3. 3. directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to claim 1, it is characterised in that institute Metal substrate is stated to be formed by W, Cu or Cr.
  4. 4. directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to claim 1, it is characterised in that institute Radioactive source coating is stated to be formed by αsource, the αsource be selected from210Po、Gd210Po、210Po(RE)、210Po(RE)3、235U、238Pu、238PuO2Microballoon,238PuO2- Mo ceramics,238PuO2Fuel sphere,238PuO2Ceramics,238Pu-Zr alloys,238Pu-Ga Alloy,238Pu-Pt alloys,238Pu-Sc alloys,238PuN、238PuC、241Am、242Cm、242Cm2O3、244Cm and244Cm2O3In extremely Few one kind,
    Optionally, the radioactive source coating is formed by radiator beta-ray, and the radiator beta-ray is selected from Sc3H2、(C4H3 3H5-)n、14C、35S、63Ni、90Sr、90Sr/90Y、90SrTiO3、106Ru、137Cs、137CsCl、144Ce、144CeO2、147Pm、147Pm2O3With151In Sm At least one.
  5. 5. directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to claim 1, it is characterised in that institute It is KOH solution or NaOH solution to state electrolyte solution.
  6. 6. directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to claim 1, it is characterised in that institute Transparent charge-trapping plate is stated to be formed by Nb, NbN, Mo, Sn (ITO) or AI (ZAO).
  7. 7. directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to claim 1, it is characterised in that institute Photoelectric subassembly is stated by Si, Ge, Nd2O3, GaSb, InGaAsSb, InGaAs or InPAsSb formed.
  8. 8. directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery according to claim 1, it is characterised in that institute Thermoelectric components are stated by NaCo2O5Skutterudite nano material, Si0.8Ge0.2Nano material, SiGe/PbTe functionally graded material, PbSnTe/TAGS/PbTe functionally graded material, PbTe/TAGS/BiTe functionally graded material, PbTe/TAGS functionally graded material Or PbTe functionally graded material is formed.
  9. 9. a kind of claim 1~8 any one of them for preparing directly collects-radiation ionization-photoelectricity-thermoelectricity isotope battery Method, it is characterised in that including：
    (1) metal substrate is provided；
    (2) radioactive source coating is electroplated on the outer circumferential surface of the metal substrate；
    (3) the first gasket and the second gasket are set respectively in the positive terminal and negative pole end of the metal substrate；
    (4) periphery of the radioactive source coating is arranged transparent charge-trapping plate, and the transparent charge-trapping plate with it is described Filling electrolyte solution in the cavity of formation is spaced between radioactive source coating；
    (5) deposition forms the first transparent insulating substrate on the outer circumferential surface of the transparent charge-trapping plate；
    (6) photoelectric subassembly is set on the outer circumferential surface of first transparent insulating substrate, and in the both ends shape of the photoelectric subassembly Into the first electricity output electrode；
    (7) deposition forms the second transparent insulating substrate on the outer circumferential surface of the photoelectric subassembly；
    (8) thermoelectric components are set on the outer circumferential surface of second transparent insulating substrate, and in the both ends shape of the thermoelectric components Into the second electricity output electrode, to obtain transducing structure；
    (9) cathode and anode are formed respectively in the positive terminal and negative pole end of the transducing structure, to obtain battery base substrate；
    (10) cushion pad is wrapped up on the outer circumferential surface of the transducing structure and a part for the cathode and the anode；
    (11) encapsulated layer in being set on the outer surface of the cushion pad；And
    (12) on the outer surface of the interior encapsulated layer wrap up outer package heat dissipating layer, and the outer package heat dissipating layer with it is described just Dead ring is set between pole and the anode, to obtain the directly collection-radiation ionization-photoelectricity-thermoelectricity isotope battery.
  10. 10. according to the method described in claim 9, it is characterized in that, the interior encapsulated layer is by will wrap up the cushion pad Transducing structure is placed in mould, and encapsulating material in perfusion, is formed after shaping to be solidified.
CN201711066355.0A 2017-11-02 2017-11-02 Direct collection-radiation ionization-photoelectricity-thermoelectricity isotope battery and preparation method thereof Pending CN108039219A (en)

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Application publication date: 20180515