CN-122025213-A - Isotope battery

CN122025213ACN 122025213 ACN122025213 ACN 122025213ACN-122025213-A

Abstract

The application provides an isotope battery, and belongs to the technical field of new energy. The light-emitting device comprises an accommodating main body, an isotope light-emitting part, an energy converter, a reflecting part and a photosensitive layer, wherein the isotope light-emitting part is arranged in the accommodating main body and is used for generating light energy, the energy converter is arranged in the accommodating main body, the energy converters are respectively arranged on two opposite sides of the isotope light-emitting part along the first direction, the photosensitive layer is arranged on one side of the energy converter, which faces the isotope light-emitting part along the first direction, and is used for absorbing the light energy to enable the energy converter to convert the light energy generated by the isotope light-emitting part into electric energy, and the reflecting part is arranged in the accommodating main body and is used for reflecting the light onto the photosensitive layer. The photosensitive layer absorbs light energy and converts the light energy into electric energy, the isotope luminescent element emits light, the reflecting element can reflect the light which does not irradiate on the photosensitive layer to the photosensitive layer, the light energy waste of the isotope luminescent element is reduced, the light energy utilization rate is improved, and the energy conversion efficiency of the isotope battery is improved.

Inventors

REN JIEYING
LI XUE
ZHANG LEI
MA JUNPING
LI SIJIE
ZHANG LIFENG
GU JIALIN

Assignees

中国原子能科学研究院

Dates

Publication Date: 20260512
Application Date: 20260104

Claims (10)

1. An isotope battery, comprising: A receiving body; The isotope luminous element is arranged in the accommodating main body and is used for generating light energy; The energy converter is arranged in the accommodating main body, the energy converters are respectively arranged on two opposite sides of the isotope lighting element along the first direction, one side of the energy converter, which faces the isotope lighting element along the first direction, is provided with a photosensitive layer, and the photosensitive layer is used for absorbing light energy so that the energy converter converts the light energy generated by the isotope lighting element into electric energy; And the light reflecting piece is arranged in the accommodating main body and is used for reflecting light to the photosensitive layer.
2. The isotope battery of claim 1, wherein the isotope lighting member is provided with the light reflecting member on at least one side thereof in a second direction, the isotope lighting member is provided with the light reflecting member on at least one side thereof in a third direction, the first direction intersects the second direction, and the third direction intersects the first direction and the second direction, respectively.
3. The isotope battery of claim 2, wherein the light reflecting surface of the light reflecting member is at least partially positioned on a side of the energy converter facing the isotope lighting member in the first direction, and the light reflecting surface of the light reflecting member faces the isotope lighting member.
4. The isotope battery of claim 2 wherein, the light reflecting piece surrounds the periphery of the energy converter along the circumferential direction of the energy converter.
5. The isotope battery of claim 1, wherein the energy converter is provided with the light reflector along a side of the first direction facing away from the isotope lighting element.
6. The isotope battery of claim 1, wherein the light reflecting member is a light reflecting film attached to an inner wall of the containment body.
7. The isotope battery of any one of claims 1-6, wherein the energy converter has a transparent anti-reflection layer, the anti-reflection layer covering a side of the photosensitive layer facing the isotope reflector along the first direction, the anti-reflection layer for reducing light reflection from the photosensitive layer.
8. The isotope battery of any one of claims 1-6, wherein the photosensitive layer is made of indium gallium phosphorus, copper zinc tin sulfur selenium, perovskite or copper indium gallium selenium.
9. The isotope battery of any one of claims 1-6, wherein the isotope battery comprises a first binding post and a second binding post, the first binding post and the second binding post penetrate through the accommodating main body, positive poles of the energy converters are connected with the first binding post, and negative poles of the energy converters are connected with the second binding post.
10. The isotope battery of claim 9, wherein the isotope battery includes an insulating gasket for sealing a gap between the containment body and the first and second posts, and/or wherein the containment body is a sealing structure.

Description

Isotope battery Technical Field The application relates to the technical field of new energy, in particular to an isotope battery. Background The isotope battery has the advantages of long service life, stable operation, easy integration and the like, and is favored by the power supply requirements of electronic devices and equipment in various extreme environmental scenes. The current isotope battery mainly has two types, one is based on the principle of radiation-voltage power generation to directly convert the rays emitted by the isotope material into electric energy for output, and the other is based on the principle of photovoltaic power generation to firstly convert the rays emitted by the isotope material into light energy by using a fluorescent material and then convert the light energy into electric energy by using a photovoltaic conversion device. The isotope battery based on the spoke volt power generation principle directly converts rays into electric energy, the energy conversion efficiency is high, and the spoke volt isotope battery can be prepared into a solid form, so that the volume of the spoke volt isotope battery is small, and the integration difficulty is low. The radiation-to-voltage converter is in direct contact with the radiation source, and radiation can cause direct damage to the radiation-to-voltage conversion device, resulting in a reduction in the operating life of the radiation-to-voltage isotope battery. The isotope battery based on the radiation photovoltaic power generation principle generates electric energy through two steps of radiation light conversion and photovoltaic conversion, and the photovoltaic energy conversion device is not in direct contact with the isotope material, so that radiation damage of the photovoltaic energy conversion device can be reduced, and the stability and the service life of the isotope battery are effectively improved. The energy conversion efficiency of the radiation photovoltaic isotope battery is lower than that of the radiation photovoltaic isotope battery through two energy conversions of radiation light and photovoltaic. In the related art, the energy conversion efficiency of the isotope battery is low. Disclosure of Invention The embodiment of the application provides an isotope battery, which can improve the energy conversion efficiency of the isotope battery. The technical scheme of the embodiment of the application is realized as follows: the embodiment of the application provides an isotope battery, which comprises: A receiving body; The isotope luminous element is arranged in the accommodating main body and is used for generating light energy; The energy converter is arranged in the accommodating main body, the energy converters are respectively arranged on two opposite sides of the isotope lighting element along the first direction, one side of the energy converter, which faces the isotope lighting element along the first direction, is provided with a photosensitive layer, and the photosensitive layer is used for absorbing light energy so that the energy converter converts the light energy generated by the isotope lighting element into electric energy; And the light reflecting piece is arranged in the accommodating main body and is used for reflecting light to the photosensitive layer. In some embodiments, the isotope lighting element is provided with the light reflecting element along at least one side of the second direction, and the isotope lighting element is provided with the light reflecting element along at least one side of the third direction, and the first direction intersects with the second direction, and the third direction intersects with the first direction and the second direction, respectively. In some embodiments, the light reflecting surface of the light reflecting member is at least partially located on a side of the energy converter facing the isotope lighting member in the first direction, and the light reflecting surface of the light reflecting member faces the isotope lighting member. In some embodiments of the present invention, in some embodiments, the light reflecting piece surrounds the periphery of the energy converter along the circumferential direction of the energy converter. In some embodiments, the energy converter is provided with the reflector along a side of the first direction facing away from the isotope lighting element. In some embodiments, the light reflecting member is a light reflecting film attached to an inner wall of the accommodating body. In some embodiments, the energy converter has a transparent anti-reflective layer overlying a side of the photosensitive layer facing the isotope reflector in the first direction, the anti-reflective layer for reducing light reflection from the photosensitive layer. In some embodiments, the material of the photosensitive layer is indium gallium phosphorus, copper zinc tin sulfur selenium, perovskite, or copper indium gallium selenium. In some emb