| 简介 |
PROBLEM TO BE SOLVED : To enhance battery characteristics without damaging high temperature life characteristics in a nickel hydrogen battery using a hydrogen absorbing alloy as a negative active material. SOLUTION : The negative active material for the nickel hydrogen battery is represented by general formula Mm1-αT1αNixAlyMnzCoβT2γ. (In the formula, Mm is a mixture of light rare-earth elements; T1 is at least one kind of element selected from the group comprising Mg, Ca, Sr and Ba; T2 is at least one kind of element selected from the group comprising Sn, Cu, and Fe; 0.01≤α≤0.5; 2.5≤x≤4.5; 0.05≤y+z≤2.0; 0≤β≤0.6; 0≤γ≤0.6; 5.6≤x+y+z+β+γ≤6.0.). COPYRIGHT : (C)2008, JPO&INPIT |
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