CN112803096B - Energy storage and capacity integrated battery - Google Patents
Energy storage and capacity integrated battery Download PDFInfo
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- CN112803096B CN112803096B CN202110080257.2A CN202110080257A CN112803096B CN 112803096 B CN112803096 B CN 112803096B CN 202110080257 A CN202110080257 A CN 202110080257A CN 112803096 B CN112803096 B CN 112803096B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 26
- 239000011521 glass Substances 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 239000011701 zinc Substances 0.000 claims abstract description 19
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 239000003792 electrolyte Substances 0.000 claims abstract description 12
- 230000010354 integration Effects 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims abstract description 10
- 239000011259 mixed solution Substances 0.000 claims description 23
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims description 20
- 239000002131 composite material Substances 0.000 claims description 12
- 239000002070 nanowire Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 8
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 239000012265 solid product Substances 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000009210 therapy by ultrasound Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract 3
- 230000005622 photoelectricity Effects 0.000 abstract 3
- 239000010410 layer Substances 0.000 description 19
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- QUEDYRXQWSDKKG-UHFFFAOYSA-M [O-2].[O-2].[V+5].[OH-] Chemical compound [O-2].[O-2].[V+5].[OH-] QUEDYRXQWSDKKG-UHFFFAOYSA-M 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M14/00—Electrochemical current or voltage generators not provided for in groups H01M6/00 - H01M12/00; Manufacture thereof
- H01M14/005—Photoelectrochemical storage cells
Abstract
The invention provides an energy storage and energy production integrated battery which comprises a shell with a hollow inner part, wherein the shell is provided with a plurality of cavitiesSet up photoelectricity positive pole, zinc bar, electrolyte, isolation layer and negative pole in, photoelectricity positive pole, isolation layer and negative pole top-down pile gradually, the shell includes shell upper portion and shell lower part, the through-hole is seted up on the top on shell upper portion, photoelectricity positive pole includes glass substrate and combined material layer, glass substrate's top and shell upper portion's top bond, the combined material layer deposit is in glass substrate's bottom, the combined material layer is by Ag @ V3O7The top end of the zinc strip is adhered to the top end of the upper part of the shell, the middle area of the zinc strip is contacted with the photoelectric anode, and the electrolyte is filled between the glass substrate and the cathode. The energy storage and capacity integration battery has the advantages of high power density, quick charging, long cycle life, good safety performance and the like.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to an energy storage and capacity integrated battery.
Background
With the development of economic society, the demand of human beings for energy is increasing day by day. The traditional energy sources such as coal, petroleum, natural gas and other non-renewable energy sources have the problems that the regeneration period is long, the exploitation cost is high and the like, so that the requirements of normal production and life of people are difficult to meet. Solar energy is used as a novel renewable resource, has the advantages of harmlessness, large quantity, long time and the like, and the electrochemical device with the energy storage and capacity integration function can acquire solar energy from the environment, convert the solar energy into electric energy and store the electric energy, and can fully utilize the solar energy.
At present, most of the existing energy storage and capacity integration devices realize the purpose of energy storage and capacity integration by connecting a lithium battery plasma battery to a solar battery, i.e. integrating the solar battery and the lithium battery plasma battery. However, these devices have problems of voltage mismatch during packaging, low battery efficiency after assembly and integration, and the like, and further, the integrated battery cannot work with high quality for a long time.
Therefore, it is important to provide an energy storage and energy production integrated battery which is environment-friendly, low in cost and high in efficiency.
Disclosure of Invention
In view of the above, the present invention provides an integrated device capable of directly obtaining solar energy without connecting a solar cell externally, which charges a capacitor by carriers generated by light excitation, thereby achieving the purpose of integrating energy production and energy storage.
The invention provides an energy storage and capacity integration battery, which comprises a shell with a hollow structure inside, wherein a photoelectric anode, a zinc strip, an electrolyte, an isolation layer and a cathode are arranged in the shell, the photoelectric anode, the isolation layer and the cathode are sequentially stacked from top to bottom, the shell comprises a shell upper part and a shell lower part, a through hole is formed in the top end of the shell upper part, the photoelectric anode comprises a glass substrate and a composite material layer, the top end of the glass substrate is bonded with the top end of the shell upper part, the composite material layer is deposited at the bottom end of the glass substrate, and the composite material layer is formed by Ag @ V3O7The top end of the zinc strip is adhered to the top end of the upper part of the shell, the middle area of the zinc strip is contacted with the photoelectric anode, and the electrolyte is filled between the glass substrate and the cathode.
Further, the Ag @ V3O7Prepared by the following process:
s1, weighing vanadium pentoxide, adding the vanadium pentoxide into the hydrogen peroxide solution, and uniformly mixing to obtain a first mixed solution;
s2, weighing polyethylene glycol, adding the polyethylene glycol into the first mixed solution, and stirring to obtain a second mixed solution;
s3, adding deionized water into the second mixed solution, stirring to obtain a third mixed solution, heating the third mixed solution for hydrothermal reaction, and cooling to room temperature after the reaction is finished to obtain a first solid product;
s4, carrying out centrifugal separation and drying on the first solid product to obtain V3O7A nanowire;
s5, mixing V3O7Dispersing the nanowires and Ag nanowires in N-methyl-2-pyrrolidone, and performing ultrasonic treatment to obtain a fourth mixed solution;
s6, polyvinylidene fluoride is added into the fourth mixed solution to obtain Ag @ V3O7And (3) solution.
Further, the volume mass ratio of the hydrogen peroxide to the vanadium pentoxide is 10-15 mL: 0.327 g.
Further, in step S3, the temperature of the hydrothermal reaction is 165 ℃ to 185 ℃.
Further, in step S5, V3O7The mass ratio of the nano-wire to the Ag nano-wire is 400-500: 1.
Further, the photoanode is prepared by the following process: mixing Ag @ V3O7And dripping the solution at the bottom end of the glass substrate, and then putting the glass substrate into a vacuum oven for drying to obtain the photoelectric anode.
Further, the glass substrate is fluorine-doped tin dioxide conductive glass.
Further, the isolating layer is superfine glass fiber filter paper.
Further, the electrolyte is Zn (CF)3SO3)2。
Further, the cathode is activated carbon.
Further, the diameter of the cathode is smaller than the diameter of the separator.
V3O7The reaction mechanism of the preparation process of the nanowire is as follows: adding vanadium pentoxide into a hydrogen peroxide solution to obtain vanadium pentoxide sol. By electronegativity theory and polymer induction effect, the vanadium pentoxide gel and polyethylene glycol are subjected to oxidation-reduction reaction to generate vanadium trioxide.
The technical scheme provided by the invention has the beneficial effects that: the energy storage and capacity integration battery provided by the invention charges the battery by depending on charge carriers excited by sunlight, so that the battery can finish the energy storage and capacity integration without being connected with a solar battery, the technical problems that the solar integrated battery is low in working efficiency, ohmic transmission loss, insufficient in output voltage of the solar battery and the like and the integrated battery is difficult to charge can be effectively solved, and meanwhile, the energy storage and capacity integration battery has the advantages of high power density, quick charging, long cycle life, good safety performance and the like.
Drawings
Fig. 1 is a schematic structural diagram of an energy storage and energy production integrated battery of the present invention.
Fig. 2 is an exploded view of an energy storage and energy production integrated battery according to the present invention.
FIG. 3 shows a V of an energy storage and capacity integration battery of the present invention3O7SEM (scanning electron microscope) images of nanowires.
FIG. 4 is a schematic diagram of the external circuit of the integrated energy storage and energy generation battery of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the invention provides an energy storage and production integrated battery, which includes a cylindrical housing 1 with a hollow interior, a photo-anode 2, a zinc strip 3, an electrolyte 4, an isolation layer 5 and a cathode 6 are disposed in the housing 1, and the photo-anode 2, the isolation layer 5 and the cathode 6 are stacked in sequence from top to bottom.
The shell 1 comprises an upper shell part 11 and a lower shell part 12 which are integrally packaged, and a through hole 111 with the diameter of about 8 mm is formed at the top end of the upper shell part 11; in this embodiment, the housing 1 is made of stainless steel.
The photoanode 2 comprises a glass substrate 21 and a composite material layer 22, wherein the top end of the glass substrate 21 is bonded to the top end of the upper part 11 of the housing through an adhesive layer (not shown), and the composite material layer 22 is deposited at the bottom end of the glass substrate 21; in this embodiment, the glass substrate 21 is fluorine-doped tin dioxide conductive glass, and the tin dioxide conductive glass has the advantages of high light transmittance, light weight, large area and the like, and can ensure smooth light path; the adhesive layer is made of epoxy resin, and the composite material layer 22 is made of Ag @ V3O7Constitution, Ag @ V3O7Prepared by the following process: 10mL of H with a mass fraction of 30% was measured at room temperature2O2Weighing 1.3mmol (0.237g) of vanadium pentoxide in a 50mL beaker, slowly adding the vanadium pentoxide into the beaker, mixing, and stirring for 3-4 hours to obtain a first mixed solution; weighing 0.04g of polyethylene glycol, adding into the first mixed solution, and stirring to obtain a second mixed solution; adding 50mL of deionized water into the second mixed solution, and stirring to obtain a third mixed solutionHeating the third mixed solution at 180 ℃ to perform hydrothermal reaction for 48 hours, and cooling to room temperature after the reaction is finished to obtain a first solid product; centrifugally separating and drying the first solid product to obtain V3O7A nanowire; mixing 91.80mg of V3O7Dispersing the nanowires and 0.2mg of Ag nanowires in 2 mLN-methyl-2-pyrrolidone, and performing mixing and ultrasonic treatment to obtain a fourth mixed solution; adding 5mg of PVDF (polyvinylidene fluoride) as a binder into the fourth mixed solution to obtain Ag @ V3O7And (3) solution. FIG. 3 shows the obtained V3O7SEM image of nanowire, V made in this example3O7The nanowires have a diameter of about 200nm and a length of up to several hundred microns.
In this embodiment, the preparation process of the photo-anode 2 is as follows: mixing Ag @ V3O7The solution is dripped at the bottom end of the glass substrate 21 and then is put into a vacuum oven to be dried at 120 ℃, and the photoelectric anode 2 is obtained.
The top end of the zinc strip 3 is bonded with the top end of the upper shell part 11 through epoxy resin, after the upper shell part 11 and the lower shell part 12 are packaged, the middle area of the zinc strip 3 is in contact with the glass substrate 21 and the composite material layer 22, the thickness of the zinc strip 3 is 0.25mm, and effective light excitation hole transmission can be achieved through the zinc strip 3.
The isolating layer 5 is arranged between the photoelectric anode 2 and the cathode 6, the photoelectric anode 2 and the cathode 6 can be separated by the isolating layer 5, and the electrolyte 4 can normally pass through the isolating layer 5, so that the influence on the work of the battery is avoided; in this embodiment, the isolation layer 5 is a glass microfiber filter paper.
In this embodiment, the electrolyte 4 is filled between the glass substrate 21 and the cathode 6, and Zn (CF) is selected as the electrolyte 43SO3)2，Zn(CF3SO3)2Is an aqueous compound.
The cathode 6 is placed on the lower part 12 of the housing, and the cathode 6 is separated from the lower part 12 of the housing by a steel sheet of the lower part 12 of the housing, in this embodiment, the cathode 6 is activated carbon, the cathode 6 has a cylindrical shape, the diameter of the cathode 6 is approximately the same as that of the glass substrate 21, and the diameter of the cathode 6 is smaller than that of the isolation layer 5.
Referring to fig. 4, the external circuit of the energy storage and energy production integrated battery provided in this embodiment operates according to the following principle: sunlight irradiates on the glass substrate 21 through the through hole 111, the sunlight irradiates on the composite material layer 22 after passing through the glass substrate 21, vanadium trioxide in the composite material layer 22 is irradiated by light to generate photoelectrons, the photoelectrons migrate and are sequentially transmitted to the silver, the glass substrate 21 and the zinc strip 3, and the photoelectrons are transmitted to the cathode 6 through an external lead to form an external circuit.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The energy storage and capacity integration battery is characterized by comprising an inner hollow shell, wherein a photoelectric anode, a zinc strip, an electrolyte, an isolation layer and a cathode are arranged in the shell, the photoelectric anode, the isolation layer and the cathode are sequentially stacked from top to bottom, the shell comprises an upper part of the shell and a lower part of the shell, a through hole is formed in the top end of the upper part of the shell, the photoelectric anode comprises a glass substrate and a composite material layer, the top end of the glass substrate is bonded with the top end of the upper part of the shell, the composite material layer is deposited at the bottom end of the glass substrate, and the composite material layer is formed by Ag @ V3O7The top end of the zinc strip is bonded with the top end of the upper part of the shell, the middle area of the zinc strip is contacted with the photoelectric anode, and the electrolyte is filled between the glass substrate and the cathode; the cathode is activated carbon; the Ag @ V3O7Prepared by the following process:
s1, weighing vanadium pentoxide, adding the vanadium pentoxide into the hydrogen peroxide solution, and uniformly mixing to obtain a first mixed solution;
s2, weighing polyethylene glycol, adding the polyethylene glycol into the first mixed solution, and stirring to obtain a second mixed solution;
s3, adding deionized water into the second mixed solution, stirring to obtain a third mixed solution, heating the third mixed solution for hydrothermal reaction, and cooling to room temperature after the reaction is finished to obtain a first solid product;
s4, carrying out centrifugal separation and drying on the first solid product to obtain V3O7A nanowire;
s5, mixing V3O7Dispersing the nanowires and Ag nanowires in N-methyl-2-pyrrolidone, and performing ultrasonic treatment to obtain a fourth mixed solution;
s6, polyvinylidene fluoride is added into the fourth mixed solution to obtain Ag @ V3O7And (3) solution.
2. The energy storage and energy production integrated battery according to claim 1, wherein the photoanode is prepared by the following process: mixing Ag @ V3O7And dripping the solution at the bottom end of the glass substrate, and drying to obtain the photoelectric anode.
3. The energy storage and energy production integrated battery according to claim 1, wherein the glass substrate is fluorine-doped tin dioxide conductive glass.
4. The integrated energy storage and production cell of claim 1, wherein the isolating layer is made of ultra-fine glass fiber filter paper.
5. The integrated energy storage and production cell of claim 1, wherein the electrolyte is Zn (CF)3SO3)2。
6. The energy storage and energy production integrated battery according to claim 1, wherein the diameter of the cathode is smaller than the diameter of the separator.
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| CN202110080257.2A CN112803096B (en) | 2021-01-21 | 2021-01-21 | Energy storage and capacity integrated battery |
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| CN202110080257.2A CN112803096B (en) | 2021-01-21 | 2021-01-21 | Energy storage and capacity integrated battery |
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| CN103310988A (en) * | 2013-05-29 | 2013-09-18 | 同济大学 | Method for preparing high-efficiency DSC (Dye-sensitized Solar Cell) using rGO/SWCNT (Single Walled Carbon Nanotube) composite film as counter electrode |
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| CN102983277A (en) * | 2012-12-10 | 2013-03-20 | 吉林大学 | Inverted polymer solar cell of Ag nano particle compounded cavity transmission layer and fabrication method |
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