Patent · US Expired

Positive electrode for a lithium rechargeable electro-chemical cell having an aluminum current collector

US6455202B1 · kind B1 · utility

29Cited by
12References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 2000
Grant dateSep 24, 2002
Priority date
Expiry dateFeb 24, 2020

Classification

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

Abstract

The present invention provides a positive electrode for a lithium rechargeable electrochemical cell, the electrode comprising an aluminum current collector and a paste containing both an electrochemically active material and a binder suitable for being put into solution or suspension in water, wherein the surface of said collector is covered in a protective layer constituted by at least one component selected from an oxalate and a compound of at least one element selected from silicon, chromium, and phosphorus.

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