Patent · US Active

Lithium-iron disulfide cathode formulation having pyrite content and low conductive additives

US8785044B2 · kind B2 · utility

2Cited by
31References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 26, 2010
Grant dateJul 22, 2014
Priority date
Expiry dateJun 16, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention relates to primary electrochemical cells having a jellyroll electrode assembly that includes a lithium-based negative electrode, a positive electrode with a coating comprising iron disulfide deposited on a current collector and a polymeric separator. More particularly, the invention relates to a cell designs and cathode formulations incorporating specific types of conductors to improve cell performance.

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