发明名称 |
Positive electrode active material for alkaline storage battery, positive electrode using the same and method of producing the same |
摘要 |
A positive electrode active material for an alkaline storage battery comprising at least one selected from the group consisting of a nickel hydroxide powder and a nickel oxyhydroxide powder is disclosed, wherein the positive electrode active material has (1) a mean particle circularity from 0.95 to 1, (2) a mean particle size from 5 to 20 mu m on a volume basis, and (3) a specific surface area from 5 to 20 m<2>/g, and (4) at least the nickel hydroxide powder has an X-ray diffraction pattern where a full width at half maximum of a peak attributed to (101) face is from 0.7 to 1.2 deg/2&thetas; and a peak intensity ratio of a peak attributed to (001) face to a peak attributed to (101) face is not less than 1.1. |
申请公布号 |
EP1241721(A3) |
申请公布日期 |
2004.08.25 |
申请号 |
EP20020004641 |
申请日期 |
2002.02.28 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
TANIGAWA, FUTOSHI;NAKAMURA, YASUSHI;YUASA, KOHJI;KURANAKA, SO |
分类号 |
H01M4/52;H01M4/26;H01M4/32 |
主分类号 |
H01M4/52 |
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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