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HYDROGEN STORAGE ALLOY, HYDROGEN STORAGE ALLOY ELECTRODE AND NICKEL METAL HYDRIDE SECONDARY BATTERY USING THE HYDROGEN STORAGE ALLOY
HYDROGEN STORAGE ALLOY, HYDROGEN STORAGE ALLOY ELECTRODE AND NICKEL METAL HYDRIDE SECONDARY BATTERY USING THE HYDROGEN STORAGE ALLOY
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机译：储氢合金，储氢合金电极和镍氢二次电池使用储氢合金
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摘要
A nickel metal hydride secondary battery includes hydrogen storage alloy particles in a negative electrode. The hydrogen storage alloy has a composition expressed by a general formula (LaaSmbGdc“A”d)1-wMgwNixAly“T”z, where “A” and “T” each represent at least one element selected from a group consisting of Pr, Nd, etc., and a group consisting of V, Nb, etc., respectively; subscripts a, b, c and d satisfy relationship expressed by a0, b≧0, c0, 0.1d≧0, and a+b+c+d=1; and subscripts w, x, y and z fall in a range expressed by 0.1≦w≦0.3, 0.05≦y≦0.35, 0≦z≦0.5, and 3.2≦x+y+z≦3.8.
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机译：镍金属氢化物二次电池在负极中包括储氢合金颗粒。储氢合金具有由通式（La a Sm b Gd c “ A” d ） 1-w Mg w Ni x Al y “ T” z ，其中“ A”和“ T”分别表示选自由Pr，Nd等组成的组和由V，Nb等组成的组中的至少一个元素;下标a，b，c和d满足以下关系：a＞ 0，b≥0，c＞ 0，0.1＞d≥0，并且a + b + c + d ＝ 1。下标w，x，y和z落入由0.1≤w≤0.3、0.05≤y≤0.35、0≤z≤0.5和3.2≤x+ y +z≤3.8表示的范围。
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