CN202677861U - Polysilicon beta-radiation voltaic-effect isotope battery - Google Patents
Polysilicon beta-radiation voltaic-effect isotope battery Download PDFInfo
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- CN202677861U CN202677861U CN 201120496612 CN201120496612U CN202677861U CN 202677861 U CN202677861 U CN 202677861U CN 201120496612 CN201120496612 CN 201120496612 CN 201120496612 U CN201120496612 U CN 201120496612U CN 202677861 U CN202677861 U CN 202677861U
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Abstract
The utility model discloses a polysilicon beta-radiation voltaic-effect isotope battery, comprising polysilicon PN junctions, 63 Ni long-lived radioactive isotope materials and a shielding box. The 63 Ni long-lived radioactive isotope materials is produced by irradiating metal foam Ni materials through a high flux engineering test reactor (HFETR), and the battery takes the 63 Ni long-lived radioactive isotope materials as a beta-radiation voltaic-effect radioactive source. A ''sandwich'' type isotope battery is formed by arranging the 63 Ni long-lived radioactive isotope materials between the polysilicon PN junctions. According to the isotope battery, the 63 Ni long-lived radioactive isotope materials is taken as the 63 Ni long-lived radioactive isotope materials, so as to realize the potential difference formed by the migration of the electrons between the polysilicon PN junctions under the beta-radiation voltaic-effect actions. The battery provided by the utility model is a nucleic-electric converting device with a novel structure, the energy conversion efficiency of the battery is high, and good economic benefits can be created.
Description
Technical field
The present invention relates to a kind of preparation method of isotope battery, relating in particular to and adopting polysilicon PN junction is the energy transducer of isotope battery, will
63Ni long-lived radioisotope material is as the β radiation volta effect isotope battery preparation method in β source.
Background technology
Nuclear energy is a kind of resourceful green energy resource, and significant progress is arranged in recent years, and is panic but the Fukushima, Japan Nuclear Power Station leaks the nuclear that has caused people, is unfavorable for to a certain extent the development of nuclear energy.The high flux nuclear reactor that builds for us can produce maximum economic benefit in safe range, so people have searched out a kind of safer, mode of utilizing nuclear energy of cleaning more, and Here it is nuclear battery.Nuclear battery also claims isotope battery, and it is to utilize the radioactive isotope decay to emit the device that carries energy particle (α particle, β particle and gamma-rays) and its energy is changed into electric energy.Effect by the isotope radioactive source in the transducing unit of nuclear battery is different, and we can provide the concrete form of nuclear battery: the charged particle that 1, utilizes the isotope radioactive source to launch directly produces the direct rechargeable nuclear battery of electric potential difference; 2, the charged particle beam that utilizes the isotope radioactive source to launch produces gas ionization formula nuclear battery and the radiation volta effect energy conversion type nuclear battery of electric potential difference to the ionizing event of medium; 3, produce the fluorophor photo-electric nuclear battery of electric energy after the induced by X-ray fluorescent material that utilizes the isotope radioactive source to launch is luminous by opto-electronic conversion; 4, the heat energy that utilizes the isotope radioactive source to produce is realized thermic photo-electric nuclear battery, thermal type nuclear battery and the heat engine change type nuclear battery of energy conversion.Selecting the isotope radioactive source what material is used as the energy source of nuclear battery is the problem that we at first will consider.
Isotope selects to require to consider the each side factors such as safety, life-span, activity and cost.
63The β particle maximum kinetic energy of Ni long-lived radioisotope material radiation is 66.7keV, much smaller than silicon crystal lattice is caused can't restorative structural damage 200～250keV threshold value.And
63The β particle kinetic energy scope of Ni long-lived radioisotope material radiation is 0～66.7keV, and mean kinetic energy is 17.1keV, and the β particle of its maximum kinetic energy (66.7keV) radiation can not penetrate people's corium.Therefore,
63The β particle of Ni long-lived radioisotope material radiation can not bring and can't restoratively damage silicon crystal lattice, more can infringement not arranged to human body, so it is fit to be used as the radioactive source of nuclear battery.
Patent (CN101630537A) discloses schottky junction nuclear battery and the method for making with protection ring structure, and it adopts front selective electroplating radioactive source
63Ni is used as the isotope radioactive source of nuclear battery.Document (sufacing .2010,39 (4): 62-64) reported that the use nickel foam prepares the technique that the radiation voltaic element is used the β source, and pointed out extra preparation radioactive isotope on the transducing unit
63The had mercy on sexual function film of Ni can overcome the semiconductor material surface structural damage that the conventional surface disposal route is brought.
Polysilicon PN junction can be selected the polysilicon solar cell plate, the polysilicon solar cell plate is to be combined by some discrete PN junctions, because the relation between conversion efficiency and the area is the increase when area, conversion efficiency can decay thereupon, and Here it is so-called " size effect ".So select the polysilicon solar cell plate as the polysilicon PN junction of isotope battery, can improve largely the device energy conversion efficiency like this.
In sum, the metal foam nickel material is by becoming through processing
63Ni long-lived radioisotope material, this
63Ni long-lived radioisotope material is large owing to having specific surface area, and the source strength activity of unit volume is high behind the irradiation, the most suitable β source that is used as the isotope battery of β radiation volta effect.And at present the technique of the nickel foam of excellent is very ripe, and high-throughout nuclear reactor is safe operation also, and both combine and equipment can be come into operation and can create good economic benefit like this.
The utility model content
The invention provides a kind of preparation method of polysilicon β radiation volta effect isotope battery.This isotope battery comprises a β radiation volta effect radioactive source, two polysilicon PN junctions and a shielding box, isotope battery is relative by the N-type semiconductor of two polysilicon PN junctions, the centre accompanies β radiation volta effect radioactive source and polysilicon PN junction is placed in shielding box, and last connection terminal goes between out.β radiation volta effect radioactive source adopts
63Ni long-lived radioisotope material, shielding box adopts the plumbum containing radiation protection glass case.
β radiation volta effect radioactive source of the present invention is to be that 0.25～2mm, surface density are 250～400g/m by a kind of thickness
2The metal foam nickel material to be prepared into source strength after 90～120 days through high flux engineering test reactor (HFETR) irradiation be 20～100mCi's
63Ni long-lived radioisotope material.The porosity of this material is 88%～95%, the aperture is that 0.5mm～0.7mm, specific surface area are 2000～2500cm
2/ cm
3And has a β radiation.
Outstanding feature of the present invention is: by preparing through high flux engineering test reactor (HFETR) irradiation
63Ni long-lived radioisotope material porosity is 88%～95%, the aperture is that 0.5mm～0.7mm, specific surface area are 2000～2500cm
2/ cm
3, its source strength is 20～100mCi because it is large to have specific surface area, the source strength activity of unit volume is high behind the irradiation, and
63The β particle maximum kinetic energy of Ni long-lived radioisotope material radiation is 66.7keV, and its maximum kinetic energy is the corium that the radiating particle of 66.7keV does not penetrate the people at all, so
63The radiating particle of Ni long-lived radioisotope material can not hurt the people, and
63Ni long-lived radioisotope material has high source strength activity and utilization that can safety and stability, is suitable as the β source of β radiation volta effect isotope battery.
Description of drawings:
Fig. 1 is
63Ni long-lived radioisotope material is the polysilicon β radiation volta effect isotope battery structural drawing that the β source makes.
Fig. 1 label declaration:
1.PN the N-type semiconductor of the P-type semiconductor 2.PN of knot knot
3.
63The N-type semiconductor of Ni long-lived radioisotope material 4.PN knot
5.PN P-type semiconductor 6. shielding boxs of knot
Embodiment:
Embodiment 1: with structure fabrication device shown in Figure 1, be that 0.5mm, surface density are 280g/m with thickness
2The metal foam nickel material be cut into 100 * 100mm
2Use successively deionized water, acetone, methyl alcohol to carry out ultrasonic cleaning 5min, after in baking oven, drying, place the fuel element central duct of high flux engineering test reactor (HFETR) or carry out irradiation near the central duct of reactor core beryllium piece, the irradiation duration is 90 days, prepares porosity and be 88%, the aperture is that 0.5mm, specific surface area are 2100cm
2/ cm
3, its source strength is 50mCi's
63Ni long-lived radioisotope material.With connected mode shown in Figure 1, will prepare
63Ni long-lived radioisotope material places between two polysilicon PN junctions, puts into shielding box.Under the effect of β radiation volta effect, electronics is in the semiconductor PN material transfer, thus the formation electric potential difference.
Embodiment 2: with structure fabrication device shown in Figure 1, be that 1.5mm, surface density are 350g/m with thickness
2The metal foam nickel material be cut into 100 * 100mm
2Use successively deionized water, acetone, methyl alcohol to carry out ultrasonic cleaning 5min, after in baking oven, drying, place the fuel element central duct of high flux engineering test reactor (HFETR) or carry out irradiation near the central duct of reactor core beryllium piece, the irradiation duration is 120 days, prepares porosity and be 94%, the aperture is that 0.65mm, specific surface area are 2500cm
2/ cm
3, its source strength is 80mCi's
63Ni long-lived radioisotope material.With connected mode shown in Figure 1, will prepare
63Ni long-lived radioisotope material places between two polysilicon PN junctions, puts into shielding box.Under the effect of β radiation volta effect, electronics is in the semiconductor PN material transfer, thus the formation electric potential difference.
This covering device can realize with
63Ni long-lived radioisotope material is the β radiation volta effect isotope battery that the β source makes, and wherein β radiation volta effect isotope battery structure can be determined separately according to actual conditions, is not necessarily limited to present embodiment.
A whole set of by
63Ni long-lived radioisotope material is made the β radiation volta effect isotope battery in β source, and features simple structure is safe and harmless, the long-life, and energy savings, in sum, the utility model has really met the utility model patent condition, files an application in accordance with the law.The above is better embodiment of the present utility model, and those skilled in the art can also do other and change take the invention as main, and these all should be included in the utility model scope required for protection according to take the invention as the main variation of doing.
Claims (3)
1. polysilicon β radiation volta effect isotope battery, this isotope battery comprises a β radiation volta effect radioactive source, two polysilicon PN junctions and a shielding box at least, it is characterized in that isotope battery is relative by the N-type semiconductor of two polysilicon PN junctions, the centre accompanies β radiation volta effect radioactive source and polysilicon PN junction is placed in the shielding box.
2. according to claims 1 described polysilicon β radiation volta effect isotope battery, it is characterized in that β radiation volta effect radioactive source is
63Ni long-lived radioisotope material.
3. according to claims 1 described polysilicon β radiation volta effect isotope battery, it is characterized in that shielding box is the plumbum containing radiation protection glass case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120496612 CN202677861U (en) | 2011-12-05 | 2011-12-05 | Polysilicon beta-radiation voltaic-effect isotope battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120496612 CN202677861U (en) | 2011-12-05 | 2011-12-05 | Polysilicon beta-radiation voltaic-effect isotope battery |
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| CN202677861U true CN202677861U (en) | 2013-01-16 |
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| CN 201120496612 Expired - Fee Related CN202677861U (en) | 2011-12-05 | 2011-12-05 | Polysilicon beta-radiation voltaic-effect isotope battery |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051050A (en) * | 2014-06-29 | 2014-09-17 | 西安电子科技大学 | Parallel type PIN type alpha irradiation battery and preparing method thereof |
| CN104064247A (en) * | 2014-06-29 | 2014-09-24 | 西安电子科技大学 | 3D PIN-structure Beta irradiation battery and preparation method thereof |
| CN104064243A (en) * | 2014-06-29 | 2014-09-24 | 西安电子科技大学 | Sandwiched parallel connection type PIN type alpha irradiation battery and preparation method thereof |
| CN104064240A (en) * | 2014-06-29 | 2014-09-24 | 西安电子科技大学 | Epitaxy GaN PIN structure beta irradiation battery and preparation method thereof |
| CN104064242A (en) * | 2014-06-29 | 2014-09-24 | 西安电子科技大学 | Sandwiched parallel connection type epitaxy GaN PIN type beta irradiation battery and preparation method thereof |
| CN104658628A (en) * | 2013-11-18 | 2015-05-27 | 胡寻伟 | Thermonuclear electric cell |
-
2011
- 2011-12-05 CN CN 201120496612 patent/CN202677861U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104658628A (en) * | 2013-11-18 | 2015-05-27 | 胡寻伟 | Thermonuclear electric cell |
| CN104051050A (en) * | 2014-06-29 | 2014-09-17 | 西安电子科技大学 | Parallel type PIN type alpha irradiation battery and preparing method thereof |
| CN104064247A (en) * | 2014-06-29 | 2014-09-24 | 西安电子科技大学 | 3D PIN-structure Beta irradiation battery and preparation method thereof |
| CN104064243A (en) * | 2014-06-29 | 2014-09-24 | 西安电子科技大学 | Sandwiched parallel connection type PIN type alpha irradiation battery and preparation method thereof |
| CN104064240A (en) * | 2014-06-29 | 2014-09-24 | 西安电子科技大学 | Epitaxy GaN PIN structure beta irradiation battery and preparation method thereof |
| CN104064242A (en) * | 2014-06-29 | 2014-09-24 | 西安电子科技大学 | Sandwiched parallel connection type epitaxy GaN PIN type beta irradiation battery and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20161205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |