Positive electrode active material for lithium secondary battery
AssigneeJapan Storage Battery Co., Ltd.
InventorsTakashi Aoki, Mikito Nagata, Hisashi Tsukamoto
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Abstract
A positive electrode active material for a lithium secondary battery is made of LiNi.sub.1-x-y-z Co.sub.x Mn.sub.y Al.sub.z O.sub.2, in which x, y and z satisfy relations of 0.ltoreq.y.ltoreq.0.3, 0.ltoreq.x.ltoreq.0.25, 0<z.ltoreq.0.15.
Claims9
A positive electrode active material for a lithium secondary battery, comprising LiNi.sub.1-x-y-z Co.sub.x Mn.sub.y Al.sub.z O.sub.2 wherein x, y and z satisfy relations of 0.ltoreq.y.ltoreq.0.3, 0.ltoreq.x.ltoreq.0.25, 0<z.ltoreq.0.15.
A lithium secondary battery comprising a positive electrode, a negative electrode, a separator, a positive electrode terminal, a case serving as a negative electrode terminal and an electrolytic solution;
- wherein said positive electrode active material comprises LiNi.sub.1-x-y-z Co.sub.x Mn.sub.y Al.sub.z O.sub.2 wherein x, y and z satisfy relations of 0.ltoreq.y.ltoreq.0.3, 0.ltoreq.x.ltoreq.0.25, 0<z.ltoreq.0.15.
Dependencies are inferred from the claim text.