Patent · US Expired

Process of producing manganese dioxide for a lithium primary battery

US6821678B2 · kind B2 · utility

5Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 3, 2001
Grant dateNov 23, 2004
Priority date
Expiry dateJan 1, 2022

Classification

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

Abstract

Manganese dioxide for lithium primary batteries which is obtained by soda neutralization and heat treatment of electrolytic manganese dioxide and has a sodium content of 0.05 to 0.2% by weight and a process for producing the same.

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