Patent · US Expired

Secondary cell

US7201999B2 · kind B2 · utility

0Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 2003
Grant dateApr 10, 2007
Priority date
Expiry dateFeb 20, 2025

Classification

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

Abstract

There is provided a secondary cell having a positive electrode and a negative electrode which is made of solid active materials and an electrolyte layer which has been intervened between the positive electrode and the negative electrode. At least one of solid active materials for constituting the positive electrode and the negative electrode is composed of a mixed oxygen ion and electron conductor capable of inserting and eliminating oxygen ion or absorbing and releasing oxygen.

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