Thermionic generator, useful for direct conversion of solar energy into electrical energy, comprises emitter material comprising high melting hexaboride of rare earth metals and collector material comprising aluminide of rare earth metals

摘要

Thermionic generator comprises: an emitter material comprising high melting hexaborides of rare earth metals, arsenides or antimonides of rare earth metals, yttrium, germanides, stannides or plumbides of rare earth metals, metallic yttrium or titanium carbide; and a collector material comprising aluminides, indides, gallides or thallides of rare earth metals, thallides of alkali- or alkaline earth metals or magnesides of alkaline earth metals or -rare earth metals.