Patent · US Active

Cathode active material for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method of producing cathode active material for nonaqueous electrolyte secondary battery

US9893356B2 · kind B2 · utility

1Cited by
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7Claims
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Key dates

Filing dateApr 1, 2015
Grant dateFeb 13, 2018
Priority date
Expiry dateJan 27, 2036

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The cathode active material for a nonaqueous electrolyte secondary battery according to an aspect of the present disclosure mainly comprises a compound represented by a composition formula: LixNay(LiαNaβMn1−α−β)O2, where x, y, α, and β satisfy 0.75≦x≦1.0, 0<y≦0.01, 0.75<x+y≦1, 0.16≦α≦0.3, 0≦β≦0.01, and 0.2≦α+β≦0.3.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.