发明公开
EP0845823A1 Hydrogen absorbing alloy electrode, method of fabricating hydrogen absorbing alloy electrode, and alkali secondary battery
失效
基本信息:
- 专利标题： Hydrogen absorbing alloy electrode, method of fabricating hydrogen absorbing alloy electrode, and alkali secondary battery
- 专利标题（中）：Elektrode aus Wasserstoffspeicherlegierung，Verfahren zur Herstellung und alkalischeSekundärbatterie
- 申请号：EP97120881.4 申请日：1997-11-27
- 公开(公告)号：EP0845823A1 公开(公告)日：1998-06-03
- 发明人： Imoto, Teruhiko , Kato, Kikuko , Kuroda, Yasushi , Higashiyama, Nobuyuki , Kimoto, Mamoru , Fujitani, Shin , Nishio, Koji
- 申请人： SANYO ELECTRIC Co., Ltd.
- 申请人地址： 5-5, Keihanhondori 2-chome Moriguchi-shi, Osaka 570 JP
- 专利权人： SANYO ELECTRIC Co., Ltd.
- 当前专利权人： SANYO ELECTRIC Co., Ltd.
- 当前专利权人地址： 5-5, Keihanhondori 2-chome Moriguchi-shi, Osaka 570 JP
- 代理机构： Glawe, Delfs, Moll & Partner
- 优先权： JP318422/96 19961129; JP318423/96 19961129
- 主分类号： H01M4/38
- IPC分类号： H01M4/38
摘要：
In the present invention, a hydrogen absorbing alloy containing at least nickel, cobalt and aluminum, in which the sum a of the respective abundance ratios of cobalt atoms and aluminum atoms in a portion to a depth of 30 Å from its surface and the sum b of the respective abundance ratios of cobalt atoms and aluminum atoms in a bulk region inside thereof satisfy conditions of a/b ≧ 1.30 , or a hydrogen absorbing alloy containing at least nickel, cobalt, aluminum and manganese, in which the sum A of the respective abundance ratios of cobalt atoms, aluminum atoms and manganese atoms in a portion to a depth of 30 Å from its surface and the sum B of the respective abundance ratios of cobalt atoms, aluminum atoms and manganese atoms in a bulk region inside thereof satisfy conditions A/B ≧ 1.20 is used for a hydrogen absorbing alloy electrode in an alkali secondary battery.
摘要（中）：
在本发明中，至少含有镍，钴和铝的吸氢合金，其中钴原子和铝原子的丰度比相对于其表面的深度为30安培的总和和总和b 在其内部的本体区域中钴原子和铝原子的相应丰度比满足a / b> / = 1.30的条件，或至少含有镍，钴，铝和锰的吸氢合金，其中A 钴酸根，铝原子和锰原子在其表面的深度为30安培的部分中的相应丰度比和其内部的体积区域中的钴原子，铝原子和锰原子的相应丰度比的总和B满足 条件A / B> / = 1.20用于碱性二次电池中的吸氢合金电极。