Advances in electrode materials for AMTEC

被引：0

作者：

Ryan, MA ^{[1
]}

Williams, RM ^{[1
]}

Lara, L ^{[1
]}

Fiebig, BG ^{[1
]}

Cortez, RH ^{[1
]}

Kisor, AK ^{[1
]}

Shields, VB ^{[1
]}

Homer, ML ^{[1
]}

机构：

[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

来源：

SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM-2001 | 2001年 / 552卷

关键词：

D O I：

暂无

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

A mixed conducting electrode for the Alkali Metal Thermal to Electric Converter (AMTEC) has been made and tested. The electrode is made from a slurry of metal and TiO2 powders which is applied to the electrolyte and fired to sinter the electrode material. During the first 48-72 hours of operation in a SETC, the electrode takes up Na from low pressure sodium vapor to make a metal-Na-Ti-O compound. This compound is electronically conducting and ionically conducting to sodium; electronic conduction is also provided by the metal in the electrode. With a mixed conducting electrode made from robust, low vapor pressure materials, the promise for improved performance and lifetime is high.

引用

页码：1088 / 1093

页数：6

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