Patent · US Expired

Non-aqueous electrolyte secondary battery

US5296319A · kind A · utility

42Cited by
1References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 1992
Grant dateMar 22, 1994
Priority date
Expiry dateJun 1, 2012

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 battery comprises rechargeable positive and negative electrodes and a non-aqueous electrolyte. The positive electrode comprises at least one selected from LiCo0.sub.2, LiMn.sub.2 0.sub.4 and LiNi0.sub.2 and the negative electrode consists most of alkai metals such as lithium, etc. The non-aqueous electrolyte contains lithium salts and has concentration ranging from 0.002 to 1.0 mol/liter of at least one acid anhydride selected from acetic anhydride, benzoic anhydride, succinic anhydride, phtalic anhydride and maleic anhydride.

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