High-output thermionic converter based on a metal-oxygen system on the collector

被引：0
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作者：
D. V. Yarygin
V. S. Mironov
N. P. Solov’ev
S. M. Tulin
V. I. Yarygin
机构：
来源：
Atomic Energy | 2000年 / 89卷
关键词：
Thermionic Converter; Spectator Sample; Platinum Coating; Single Crystal Tungsten; Multiparametric Optimization;
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学科分类号：
摘要：
The results of comprehensive experimental investigations of thermionic converters with collectors containing oxygen in an adsorbed near-surface layer and capable of decreasing the barrier index below 2 eV are presented. A vanadium-doped alloy based on chromium, which was investigated in a converter in a pair with different emitters consisting of platinum and single crystal tungsten oriented along the (110) face, was examined as an example of an efficient metal-oxygen system on the collector. The emission-adsorption properties of electrodes and the output electrical characteristics, obtained under working conditions of the converter, as well as surface characteristics of the collector, such as the elemental composition temperature, and others, are described. 6 figures, 21 references.
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页码：546 / 554
页数：8
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