CN105070342A - Preparation method of fluorescence nuclear battery - Google Patents
Preparation method of fluorescence nuclear battery Download PDFInfo
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- CN105070342A CN105070342A CN201510459913.4A CN201510459913A CN105070342A CN 105070342 A CN105070342 A CN 105070342A CN 201510459913 A CN201510459913 A CN 201510459913A CN 105070342 A CN105070342 A CN 105070342A
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- radioactive source
- fluorescence coating
- preparation
- fluorescent
- runing rest
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Abstract
The invention discloses a preparation method of a fluorescence nuclear battery. First of all, a rotation support is arranged inside a sealing housing, wherein the rotation shaft of the rotation support goes through the center of the sealing housing; secondly, a semiconductor photovoltaic assembly is fixed on the inner wall of the sealing housing; then, a radioactive source is fixed at the center of the sealing housing through the rotation support; finally, fluorescent layers are arranged between the semiconductor photovoltaic assembly and the radioactive source; and the fluorescent layers are symmetrically fixed on the rotation support, fluorescent powder layers of the fluorescent layers are in opposite arrangement, and fluorescent powder layers of at least one pair of the fluorescent layers are opposite to the radiation surface of the radioactive source. According to the invention, the output power of the battery in a unit area is effectively improved, and the sustainable service life of the battery is prolonged.
Description
Technical field
The invention belongs to nuclear physics, nuclear energy application and micro-energy field, be specifically related to the preparation method of fluorescent core battery.
Background technology
Nuclear battery, is also called isotope battery, is the device that a kind of thermal power transfer of carrying energy particle (as α, β particle and gamma-rays) or decay generation utilizing Radioactive Source Decay to discharge becomes required electric energy.Because of its long-life, small size, lightweight, adaptive capacity to environment is strong, operating temperature range is wide and the advantage such as stable output power, in a lot of field such as ultra low power device and automatic control system, under the rugged surroundings that especially some are changed and maintenance is comparatively difficult, possesses great potential value.
Nineteen fifty-seven, Elgin-Kidde utilizes based on " Beta-VoltaicEffect " phenomenon (Rappaport, 1953) first
147pm, fluorescent powder and silicon photocell composition radioisotope micro battery, is applied in power supply supply side.Since then, people just progressively open the veil that spoke causes photovoltaic effect nuclear battery.The type nuclear battery adopts indirect transducing structure, and the decaying particle fluorescence excitation material utilizing radioactive source to discharge produces fluorescence, is then collected by the photoelectric effect of photovoltaic material and converts electric energy to.
2002, the people such as K.E.Bower mention the design proposal (BowerKE that a kind of spoke causes photovoltaic effect nuclear battery in " Polymers; phosphors; andvoltaicsforradioisotopemicrobatteries " book, BarbanelYA, ShreterYG, etal.Polymers, phosphors, andvoltaicsforradioisotopemicrobatteries.BocaRaton (USA): CRCPress, 2002,210-348), namely fill gaseous state tritium scribbling in fluorescent material pipe.In such scheme, utilize tritium as excitaton source, although effective contact area of gaseous state tritium source and fluorescent material is comparatively large, also exist self absorption effect significantly, raw material costly, device not easily prepared and the factor restriction such as the more difficult control of gas pressure intensity.And cause fluorescent core battery structure for current spoke, particularly for the device of tabular stack type, the problems such as the material category himself existed is single, radioactive source utilization factor is low are also more outstanding.
Summary of the invention
Technical matters to be solved by this invention is: the preparation method providing a kind of fluorescent core battery, solves the problems such as radioactive source utilization factor in fluorescent core battery is low.
The present invention, for solving the problems of the technologies described above, adopts following technical scheme:
A preparation method for fluorescent core battery, comprises the steps:
Step 1, arrange a runing rest in can inside, the turning axle of runing rest crosses the center of can;
Step 2, optical semiconductor photovoltaic assembly is fixed on the inwall of can;
Step 3, radioactive source is fixed on the center of can by runing rest;
Step 4, fluorescence coating is set between optical semiconductor photovoltaic assembly and radioactive source;
Step 5, fluorescence coating to be symmetrically fixed on runing rest, and the phosphor powder layer of fluorescence coating is oppositely arranged, and has at least the phosphor powder layer of a pair fluorescence coating relative with the emitting surface of radioactive source.
The sensitive surface of described photovoltaic semiconductors assembly, i.e. insert TiO between the window layer material interface of air and assembly
2/ Al
2o
3two-layered medium film.
Described radioactive source is two-sided radioactive source or bulk, clava radioactive source.
Described fluorescence coating is prepared by the following method,
Step 1, in potassium silicate solution, add fluorescent powder fully stir, then add barium nitrate solution, continue to stir, then mixed liquor is drained to and is placed with in the glassware of substrate of glass, natural subsidence;
Step 2, treat that substrate of glass deposits fluorescent powder after, taken out and dried, being treated that it naturally cools to normal temperature and can obtain required fluorescence coating.
Potassium silicate solution mass concentration described in step 1 is 0.5-2%;
Described barium nitrate concentration of polymer solution is 0.1-0.5%;
The volumetric ratio of described potassium silicate solution and barium nitrate solution is 10:1-20:1;
Described static balance time is 1-5h;
Bake out temperature in step 2 is 200-300 DEG C, and drying time is 0.5h.
Compared with prior art, the present invention has following beneficial effect:
1, utilize two-sided radioactive source and runing rest to fix the structure of fluorescence coating, battery structure can be made compact, improve radioactive source utilization factor.
2, adopt physics sedimentation or gluing composite algorithm to prepare fluorescence coating, technique is relatively simple, is easy to realize.
3, adopt fluorescence coating as the middle transducing medium of radiation energy to electric energy, semiconductor by the ionising radiation of radioactive particle, can not eliminate the irradiation damage of photovoltaic module transducing unit effectively, extends the serviceable life of nuclear battery.
4, adopt the photovoltaic module of many junctions, can effectively increase spectrum and accept scope, improve the energy conversion efficiency of fluorescent core battery.
5, when adopting the fluorescence coating of different luminescent material, the emission wavelength that spoke causes fluorescence can be widened, extending the serviceable life of battery.
Embodiment
Below technical scheme of the present invention is described in detail:
A preparation method for fluorescent core battery, comprises the steps:
Step 1, arrange a runing rest in can inside, the turning axle of runing rest crosses the center of can;
Step 2, optical semiconductor photovoltaic assembly is fixed on the inwall of can;
Step 3, radioactive source is fixed on the center of can by runing rest;
Step 4, fluorescence coating is set between optical semiconductor photovoltaic assembly and radioactive source;
Step 5, fluorescence coating to be symmetrically fixed on runing rest, and the phosphor powder layer of fluorescence coating is oppositely arranged, and has at least the phosphor powder layer of a pair fluorescence coating relative with the emitting surface of radioactive source.
The sensitive surface of described photovoltaic semiconductors assembly, i.e. insert TiO between the window layer material interface of air and assembly
2/ Al
2o
3two-layered medium film.
Described radioactive source is two-sided radioactive source or bulk, clava radioactive source.
Described fluorescence coating is prepared by the following method,
Step 1, in potassium silicate solution, add fluorescent powder fully stir, then add barium nitrate solution, continue to stir, then mixed liquor is drained to and is placed with in the glassware of substrate of glass, natural subsidence;
Step 2, treat that substrate of glass deposits fluorescent powder after, taken out and dried, being treated that it naturally cools to normal temperature and can obtain required fluorescence coating.
Potassium silicate solution mass concentration described in step 1 is 0.5-2%;
Described barium nitrate concentration of polymer solution is 0.1-0.5%;
The volumetric ratio of described potassium silicate solution and barium nitrate solution is 10:1-20:1;
Described static balance time is 1-5h;
Bake out temperature in step 2 is 200-300 DEG C, and drying time is 0.5h.
Embodiment 1
A preparation method for fluorescent core battery, comprises the steps:
Step 1, arrange a runing rest in can inside, the turning axle of runing rest crosses the center of can;
Step 2, optical semiconductor photovoltaic assembly is fixed on the inwall of can;
Step 3, radioactive source is fixed on the center of can by runing rest;
Step 4, fluorescence coating is set between optical semiconductor photovoltaic assembly and radioactive source;
Step 5, fluorescence coating to be symmetrically fixed on runing rest, and the phosphor powder layer of fluorescence coating is oppositely arranged, and has at least the phosphor powder layer of a pair fluorescence coating relative with the emitting surface of radioactive source.
The sensitive surface of described photovoltaic semiconductors assembly, i.e. insert TiO between the window layer material interface of air and assembly
2/ Al
2o
3two-layered medium film.
Described radioactive source is two-sided radioactive source or bulk, clava radioactive source.
Described fluorescence coating is prepared by the following method,
Step 1, in potassium silicate solution, add fluorescent powder fully stir, then add barium nitrate solution, continue to stir, then mixed liquor is drained to and is placed with in the glassware of substrate of glass, natural subsidence;
Step 2, treat that substrate of glass deposits fluorescent powder after, taken out and dried, being treated that it naturally cools to normal temperature and can obtain required fluorescence coating.
Potassium silicate solution mass concentration described in step 1 is 0.5%;
Described barium nitrate concentration of polymer solution is 0.1%;
The volumetric ratio of described potassium silicate solution and barium nitrate solution is 10:1;
Described static balance time is 1;
Bake out temperature in step 2 is 200 DEG C, and drying time is 0.5h.
Embodiment 2
A preparation method for fluorescent core battery, comprises the steps:
Step 1, arrange a runing rest in can inside, the turning axle of runing rest crosses the center of can;
Step 2, optical semiconductor photovoltaic assembly is fixed on the inwall of can;
Step 3, radioactive source is fixed on the center of can by runing rest;
Step 4, fluorescence coating is set between optical semiconductor photovoltaic assembly and radioactive source;
Step 5, fluorescence coating to be symmetrically fixed on runing rest, and the phosphor powder layer of fluorescence coating is oppositely arranged, and has at least the phosphor powder layer of a pair fluorescence coating relative with the emitting surface of radioactive source.
The sensitive surface of described photovoltaic semiconductors assembly, i.e. insert TiO between the window layer material interface of air and assembly
2/ Al
2o
3two-layered medium film.
Described radioactive source is two-sided radioactive source or bulk, clava radioactive source.
Described fluorescence coating is prepared by the following method,
Step 1, in potassium silicate solution, add fluorescent powder fully stir, then add barium nitrate solution, continue to stir, then mixed liquor is drained to and is placed with in the glassware of substrate of glass, natural subsidence;
Step 2, treat that substrate of glass deposits fluorescent powder after, taken out and dried, being treated that it naturally cools to normal temperature and can obtain required fluorescence coating.
Potassium silicate solution mass concentration described in step 1 is 2%;
Described barium nitrate concentration of polymer solution is 0.5%;
The volumetric ratio of described potassium silicate solution and barium nitrate solution is 20:1;
Described static balance time is 5h;
Bake out temperature in step 2 is 300 DEG C, and drying time is 0.5h.
Embodiment 3
A preparation method for fluorescent core battery, comprises the steps:
Step 1, arrange a runing rest in can inside, the turning axle of runing rest crosses the center of can;
Step 2, optical semiconductor photovoltaic assembly is fixed on the inwall of can;
Step 3, radioactive source is fixed on the center of can by runing rest;
Step 4, fluorescence coating is set between optical semiconductor photovoltaic assembly and radioactive source;
Step 5, fluorescence coating to be symmetrically fixed on runing rest, and the phosphor powder layer of fluorescence coating is oppositely arranged, and has at least the phosphor powder layer of a pair fluorescence coating relative with the emitting surface of radioactive source.
The sensitive surface of described photovoltaic semiconductors assembly, i.e. insert TiO between the window layer material interface of air and assembly
2/ Al
2o
3two-layered medium film.
Described radioactive source is two-sided radioactive source or bulk, clava radioactive source.
Described fluorescence coating is prepared by the following method,
Step 1, in potassium silicate solution, add fluorescent powder fully stir, then add barium nitrate solution, continue to stir, then mixed liquor is drained to and is placed with in the glassware of substrate of glass, natural subsidence;
Step 2, treat that substrate of glass deposits fluorescent powder after, taken out and dried, being treated that it naturally cools to normal temperature and can obtain required fluorescence coating.
Potassium silicate solution mass concentration described in step 1 is 1%;
Described barium nitrate concentration of polymer solution is 0.3%;
The volumetric ratio of described potassium silicate solution and barium nitrate solution is 15:1;
Described static balance time is 3h;
Bake out temperature in step 2 is 250 DEG C, and drying time is 0.5h.
Claims (6)
1. a preparation method for fluorescent core battery, is characterized in that: comprise the steps:
Step 1, arrange a runing rest in can inside, the turning axle of runing rest crosses the center of can;
Step 2, optical semiconductor photovoltaic assembly is fixed on the inwall of can;
Step 3, radioactive source is fixed on the center of can by runing rest;
Step 4, fluorescence coating is set between optical semiconductor photovoltaic assembly and radioactive source;
Step 5, fluorescence coating to be symmetrically fixed on runing rest, and the phosphor powder layer of fluorescence coating is oppositely arranged, and has at least the phosphor powder layer of a pair fluorescence coating relative with the emitting surface of radioactive source.
2. the preparation method of fluorescent core battery according to claim 1, is characterized in that: the sensitive surface of described photovoltaic semiconductors assembly, i.e. insert TiO between the window layer material interface of air and assembly
2/ Al
2o
3two-layered medium film.
3. the preparation method of fluorescent core battery according to claim 1, is characterized in that: described radioactive source is two-sided radioactive source or bulk, clava radioactive source.
4. the preparation method of fluorescent core battery according to claim 1, is characterized in that: described fluorescence coating is prepared by the following method,
Step 1, in potassium silicate solution, add fluorescent powder fully stir, then add barium nitrate solution, continue to stir, then mixed liquor is drained to and is placed with in the glassware of substrate of glass, natural subsidence;
Step 2, treat that substrate of glass deposits fluorescent powder after, taken out and dried, being treated that it naturally cools to normal temperature and can obtain required fluorescence coating.
5. the preparation method of fluorescent core battery according to claim 4, is characterized in that: the potassium silicate solution mass concentration described in step 1 is 0.5-2%;
Described barium nitrate concentration of polymer solution is 0.1-0.5%;
The volumetric ratio of described potassium silicate solution and barium nitrate solution is 10:1-20:1;
Described static balance time is 1-5h.
6. the preparation method of fluorescent core battery according to claim 4, is characterized in that: the bake out temperature in step 2 is 200-300 DEG C, and drying time is 0.5h.
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| CN201510459913.4A CN105070342A (en) | 2015-07-31 | 2015-07-31 | Preparation method of fluorescence nuclear battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869695A (en) * | 2016-04-20 | 2016-08-17 | 中国工程物理研究院材料研究所 | Radioisotope cell based on gaseous radioactive source |
| CN108399961A (en) * | 2018-04-03 | 2018-08-14 | 吉林大学 | The radiation injury means of defence of the sources α nuclear battery semi-conducting material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996422A (en) * | 2014-04-25 | 2014-08-20 | 南京航空航天大学 | Fluorescent nuclear battery |
| CN103996733A (en) * | 2014-04-25 | 2014-08-20 | 南京航空航天大学 | Photoelectric nuclear battery |
| CN103996734A (en) * | 2014-04-25 | 2014-08-20 | 南京航空航天大学 | Fluorescent layer, preparation method thereof, and application of fluorescent layer in nuclear batteries |
-
2015
- 2015-07-31 CN CN201510459913.4A patent/CN105070342A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996422A (en) * | 2014-04-25 | 2014-08-20 | 南京航空航天大学 | Fluorescent nuclear battery |
| CN103996733A (en) * | 2014-04-25 | 2014-08-20 | 南京航空航天大学 | Photoelectric nuclear battery |
| CN103996734A (en) * | 2014-04-25 | 2014-08-20 | 南京航空航天大学 | Fluorescent layer, preparation method thereof, and application of fluorescent layer in nuclear batteries |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869695A (en) * | 2016-04-20 | 2016-08-17 | 中国工程物理研究院材料研究所 | Radioisotope cell based on gaseous radioactive source |
| CN108399961A (en) * | 2018-04-03 | 2018-08-14 | 吉林大学 | The radiation injury means of defence of the sources α nuclear battery semi-conducting material |
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Application publication date: 20151118 |
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