本文介绍了

210

Po放射性同位素电池的工作原理、主要结构、装配工艺和性能测试结果。该电池共包括热源、换能器、绝热材料、装配环和外壳等五个部份。内装

210

Po 1110Ci，外形尺寸为

ϕ

120×150mm，重约2kg，输出功率1.4W，效率达4.2%。

A radioisotope power generator containing 1110 curie of

210

Po source is described including its working principle

basic structure

assembling technology and its performance. The generator

weighing about 2 kg

consists of a heat source

an energy converter

a thermal insulator

an erection ring and a shell. Its output reaches 1.4 watts and its efficiency is 4.2%. The dimension of the generator is 150mm in length and 120mm in diameter.