发明名称 POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERIES, POSITIVE ELECTRODE FOR LITHIUM ION BATTERY, AND LITHIUM ION BATTERY
摘要 The present invention provides a positive electrode active material for lithium ion batteries having satisfactory battery characteristics. The positive electrode active material for lithium ion batteries, is represented by the following composition formula: €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒLi (Li x Ni 1-x-y M y )O 2 +± wherein M represents one or more selected from the group consisting of scandium (Sc), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), copper (Cu), zinc (Zn), gallium (Ga), germanium (Ge), bismuth (Bi), tin (Sn), magnesium (Mg), calcium (Ca), boron (B) and zirconium (Zr); 0 ‰¤ x ‰¤ 0. 1; 0 < y ‰¤ 0.7; and ± > 0, wherein the particle size of primary particles is 1.6 to 2.3 µm, the alkali amount at the particle surfaces measured by two-stage neutralization titration is 1.2% by mass or less, and when the amount of lithium hydroxide in the alkali amount at the particle surfaces is designated as A% by mass, and the amount of lithium carbonate is designated as B% by mass, the ratio A/B is 1 or less.
申请公布号 EP2693536(A4) 申请公布日期 2014.11.19
申请号 EP20120763420 申请日期 2012.03.27
申请人 JX NIPPON MINING & METALS CORPORATION 发明人 OKAMOTO, KENTARO
分类号 H01M4/525;C01G53/00;H01M4/485;H01M4/505;H01M10/0525 主分类号 H01M4/525
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