Efficient isotope battery based on gas radioactive source

Abstract

The invention discloses an efficient isotope battery based on a gas radioactive source. The isotope battery comprises a battery base with an embedment groove, a radioactive light source support put in the embedment groove of the battery base, at least one radioactive source radiation light-emitting unit put on the radioactive light source support, a lens buckled on the embedment groove of the battery base and isolating the inside and the outside of the embedment groove, an output end support connected with the battery base, and a photovoltaic conversion unit put on the output end support, matched with the lens in position and used for outputting electric energy, wherein light rays emitted by all the radioactive source radiation light-emitting units are projected to the photovoltaic conversion unit after being gathered by the lens. A gas isotope radioactive source is ingeniously used for stimulating a radioactive light-emitting material to emit light, light rays are gathered on the photovoltaic conversion unit by the lens through the combination of an optics principle so that electric energy can be output, the light intensity on the photovoltaic conversion unit is greatly improved, the efficiency of the photovoltaic conversion unit is greatly improved, and the output power and the energy conversion efficiency of the isotope battery are improved.

Description

technical field [0001] The invention relates to the technical field of radioisotope batteries, in particular to an efficient isotope battery based on gaseous radioactive sources. Background technique [0002] At present, there is no commercial radioisotope battery production capacity in China. Internationally commercial radioisotope batteries mainly include isotope thermoelectric batteries and radiation batteries. Among them, isotope thermoelectric batteries are difficult to miniaturize. The only miniaturized battery is a voltaic battery. [0003] There are three main problems in the current research of voltaic batteries. One is that the output power is very low in the order of tens of nw; the other is that the battery life is very short, which is much lower than the half-life of the isotope; in addition, the energy conversion efficiency of the battery is also very low. The above factors have led to a very limited range of applications. In the past 10 years, some researc...

AI Technical Summary

Problems solved by technology

In foreign countries, there are technologies that use solid-state radioactive sources to excite noble gases to emit light, and then use photovoltaic cells to convert light energy into electrical energy; however, due to the high self-absorption effect of solid-state radioactive sources, the loading of radioactive elements is very low, so the battery’s The output power is very low, and the energy conversion efficiency of the battery is not high

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