| 发明名称 |
OXIDE ION CONDUCTIVE MATERIAL COMPOSED OF BISMUTH-ERBIUM-NIOBIUM OXIDE SOLID SOLUTION AND MANUFACTURING METHOD THEREFOR |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an oxide ion conductor which is stable without any degradation or transition in phase even in a low temperature region and which presents high oxide ion conductivity. <P>SOLUTION: Oxide ion conductive material is composed of bismuth-erbium-niobium oxide solid solution indicated by a formula provided with a face-centered cubic crystal system structure: (Bi<SB>2</SB>O<SB>3</SB>)x(Er<SB>2</SB>O<SB>3</SB>)y(NbO<SB>2.5</SB>)z (0.66<x<0.69, 0.215<y<0.248, 0.075<z<0.108, when x+y+z=1). This oxide ion conductive material differs from bismuth multiple oxides belonging to a conventional face-centered cubic crystal system in that the material is stable without any degradation or transition in phase, even in the low temperature region which is 600°C and less down to 550°C and can present the high oxide ion conductivity of ≥10<SP>-2</SP>S cm<SP>-1</SP>. <P>COPYRIGHT: (C)2007,JPO&INPIT |
| 申请公布号 |
JP2007141460(A) |
申请公布日期 |
2007.06.07 |
| 申请号 |
JP20050329153 |
申请日期 |
2005.11.14 |
| 申请人 |
NATIONAL INSTITUTE FOR MATERIALS SCIENCE |
发明人 |
WATANABE AKITERU;SEKIDA MASAMI |
| 分类号 |
H01B1/08;C04B35/00;H01B13/00;H01M8/02 |
主分类号 |
H01B1/08 |
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