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The solid electrolyte and, used for a fuel cell, a hydrogen pump, vapor concentration sensor and 发明授权

2023-02-03 1010 429K 0

专利信息

申请日期 2025-07-10 申请号 JP09098072
公开(公告)号 JP3680232B2 公开(公告)日 2005-08-10
公开国别 JP 申请人省市代码 全国
申请人 TOYOTA MOTOR CORP; FINE CERAMICS CENTER; TOYODA AUTOMATIC LOOM WORKS; AICHI STEEL WORKS LTD
简介 A solid electrolyte of the present invention has a perovskite structure including an alkaline earth metal site, a rare earth element site, and oxygen, wherein barium (Ba) exists in the alkaline earth metal site, and praseodymium (Pr) and at least one other rare earth element exist in the rare earth element site. This solid electrolyte has excellent proton conductivity and oxide ion conductivity and shows high electrical conductivity in a temperature range of 400 to 700.degree.C . This solid electrolyte is applied to construct fuel cells, a hydrogen pump, an oxygen concentration sensor, and a steam concentration sensor, which are favorably driven in the above temperature range.


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