Patent · US Active

Non-aqueous electrolyte secondary cell

US8021786B2 · kind B2 · utility

1Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 2008
Grant dateSep 20, 2011
Priority date
Expiry dateFeb 4, 2030

Classification

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

Abstract

A non-aqueous electrolyte secondary cell superior in resistance against continuous charging at high potential is provided. The non-aqueous electrolyte secondary cell includes: a positive electrode having lithium phosphate and a positive electrode active material comprising lithium cobalt oxide containing at least one selected from Mg, Al, Ti, and Zr; and a separator having pores having an average diameter of 0.05 to 0.2 μm.

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