傍熱型光照射熱電子コンバータに関する研究

Abstract

Thermionic generation is remarkable as one of new technology of generation of electricity in the future. It is one of direct generation, and it has many advantages. But a thermionic converter is not practically used yet. The thermionic converter generally works at high temperature. But it causes to shortening of emitter's life and problem of stability. To improve these problems the light is irradiated to the thermionic converter at lower temperature. In this experiment the thermionic converter of indirectly heated type is used, and the characteristic of output is measured. An accurate estimation of output density became to be possible by using the indirectly heated type. As a result of the experiment, it was founded that the higher output was obtained at the relatively lower temperature of emitter.