Patent · US Active

Secondary battery

US9012084B2 · kind B2 · utility

5Cited by
1References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 2011
Grant dateApr 21, 2015
Priority date
Expiry dateDec 16, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/13
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A secondary battery is provided with a positive electrode active material layer a containing a positive electrode active material, a negative electrode active material layer containing a negative electrode active material, an electrolyte layer formed between the positive electrode active material layer and the negative electrode active material layer, and a modification material disposed at an interface between an electrolyte material and at least one electrode active material among the positive electrode active material and the negative electrode active material, and having a higher relative permittivity than the relative permittivity of the electrolyte material.

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