发明名称 |
CERAMIC WITH PEROVSKITE STRUCTURE, USE THEREOF AS REFERENCE ELECTRODE |
摘要 |
The invention concerns a ceramic, a method for preparing same, and a reference electrode containing same. The ceramic has a perovskite structure and the following properties: its composition is of formula L(2/3) -xA3x (1/3)-2xEO3, wherein L is Bi, Sb, a lanthanide or an alkaline-earth metal; A is Ag or an alkali metal; E is a transition metal oxidizable up to +5 oxidation level, alone or combined with Al or a transition metal oxidizable up to +5 or +6 level; is a vacancy and 0.03</=x</=0.16; it consists of grains having a dimension of the order of 3 to 5 mu m, having an irregular parallelepiped structure or an irregular octahedral structure; it has a specific surface area of the order or 2000 to 4000 cm<2>/g. |
申请公布号 |
EP1532084(A1) |
申请公布日期 |
2005.05.25 |
申请号 |
EP20030758261 |
申请日期 |
2003.08.22 |
申请人 |
CENTRE NATIONAL DELA RECHERCHE SCIENTIFIQUE (CNRS);UNIVERSITE DU MAINE |
发明人 |
BOHNKE, CLAUDE;BOHNKE, ODILE;FOURQUET, JEAN-LOUIS;DUROY, HUGUETTE;LEBLE, ANDRE |
分类号 |
B01D71/02;C04B35/462;G01N27/30;H01M4/86;H01M4/88 |
主分类号 |
B01D71/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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