Patent ID: 11923541
Assignee: ASAHI KASEL KABUSHIKI KAISHA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 4:
5. The lithium ion secondary battery according to claim 1, wherein the transition metal oxide contains at least one type of compound selected from the group consisting of compounds respectively represented by the following formulas:

LixNiaCobAl(1-a-b)O2, (wherein, x satisfies 0≤x≤1, a satisfies 0.05<a<0.97, and b satisfies 0.05<b<0.97), and

LixNicCodMn(1-c-d)O2, (wherein, x satisfies 0≤x≤1, c satisfies 0.05<c<0.97, and d satisfies 0.05<d<0.97).