Patent · US Expired

Composite body suitable for utilization as a lithium ion battery

US6730440B1 · kind B1 · utility

16Cited by

1References

24Claims

0Family size

Assignee

BASF SE

Inventors

Stephan Bauer · Ostercappeln, DE
Bernd Bronstert · Otterstadt, DE
Helmut Möhwald · Annweiler am Trifels, DE

Key dates

Filing date	Oct 9, 2001
Grant date	May 4, 2004
Priority date	—
Expiry date	Oct 9, 2021

Classification

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

Abstract

A composite comprising:A) at least one separator layer Aa which comprises a mixture Ia, comprising a mix IIa consisting of:(a) from 1 to 95% by weight of a solid III having a primary particle size of from 5 nm to 20 &mgr;m; and(b) from 5 to 99% by weight of a polymeric composition IV;B) at least one cathode layer B which comprises an electron-conducting, electrochemically active compound which is able to release lithium ions on charging, andC) at least one anode layer C which comprises an electron-conducting, electrochemical compound which is able to take up lithium ions on charging.

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