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MANGANESE NICKEL COMPOSITE HYDROXIDE AND METHOD FOR PRODUCING SAME, LITHIUM MANGANESE NICKEL COMPOSITE OXIDE AND METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
MANGANESE NICKEL COMPOSITE HYDROXIDE AND METHOD FOR PRODUCING SAME, LITHIUM MANGANESE NICKEL COMPOSITE OXIDE AND METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
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机译:锰酸镍复合氧化物及其制备方法,锂锰酸镍复合氧化物及其制备方法以及非电解质二次电池
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摘要
Provided is a manganese nickel composite hydroxide which serves as a starting material for positive electrode active materials for secondary batteries, and which enables the achievement of an excellent secondary battery having low resistance and high output characteristics.A manganese nickel composite hydroxide according to the present invention is represented by general formula (A) Mn1-x-yNixMy(OH)2+α (wherein 0 ≤ x ≤ 0.27, 0 ≤ y ≤ 0.05, 0 ≤ α ≤ 0.5, and M represents at least one element selected from among Mg, Al, Ca, Ba, Sr, Ti, V, Fe, Cr, Co, Cu, Zr, Nb, Mo and W), and has an SO4 content of 0.90% by weight or less, an Na content of 0.04% by weight or less, a BET specific surface area of from 40 m2/g to 70 m2/g (inclusive), and a value obtained by [(d90 - d10)/(average particle diameter)] of 0.90 or less, said value being an index indicating the expanse of the particle size distribution.
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机译:本发明提供一种锰镍复合氢氧化物,其用作二次电池用正极活性物质的起始原料,并且能够实现具有低电阻且高输出特性的优异的二次电池。本发明的锰镍复合氢氧化物由通式(A)表示。Mn 1-xy Sub> Ni x Sub> M y Sub>(OH) 2 +α Sub>(其中0≤x≤0.27,0≤y≤0.05,0≤α≤0.5,并且M表示选自Mg,Al,Ca,Ba,Sr, Ti,V,Fe,Cr,Co,Cu,Zr,Nb,Mo和W),并且SO 4 Sub>含量为0.90重量%以下,Na含量为0.04%重量BET比表面积为40 m 2 Sup> / g至70 m 2 Sup> / g(含)以下,并通过[[d 90 Sub>-d 10 Sub>)/(平均粒径)为0.90或更小,所述值是指示粒度分布的扩大的指标。
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