Patent · US Expired

Co-extrusion manufacturing process of thin film electrochemical cell for lithium polymer batteries and apparatus therefor

US7700019B2 · kind B2 · utility

47Cited by
21References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 2003
Grant dateApr 20, 2010
Priority date
Expiry dateJun 14, 2024

Classification

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

Abstract

A process of co-extrusion of a thin electrode sheet with a thin electrolyte polymer sheet directly onto a current collector sheet for a lithium polymer battery. The process includes the steps of:

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