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ALKALINE STORAGE BATTERY 发明申请

2023-01-04 1300 75K 0

专利信息

申请日期 2025-07-12 申请号 JP2006232887
公开(公告)号 JP2008059818A 公开(公告)日 2008-03-13
公开国别 JP 申请人省市代码 全国
申请人 SANYO ELECTRIC CO
简介 PROBLEM TO BE SOLVED : To provide an alkaline storage battery in which a hydrogen storage alloy used for an anode is improved and a melting out of cobalt or the like from the hydrogen storage alloy when kept unused for a long period is prevented and a preservation property is improved. SOLUTION : In the alkaline storage battery provided with a cathode, an anode made of hydrogen storage alloy, a separator and alkaline electrolyte solution, the anode is made of hydrogen storage alloy as shown in a general formula and an La content in Ln is 85 mol% or less against a total Ln : Ln1-xMgxNiy-a-bCoaMb (wherein, Ln is at least one kind of element selected from rare earth elements including Zr, Ti, and Y, and M is at least one element selected from V, Nb, Ta, Cr, Mo, Mn, Fe, Al, Ga, Zn, Sn, In, Cu, Si, P, and B, satisfying conditions of 0.05≤x≤0.30, 0.05≤a≤0.30, 0≤b≤0.50 and 2.8≤y≤3.9), and a separator with a sulfone group is used. COPYRIGHT : (C)2008, JPO&INPIT


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