Patent · US Active

Redox shuttle for rechargeable lithium-ion cell

US7811710B2 · kind B2 · utility

9Cited by

26References

17Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Jeffrey R. Dahn · Surrey, CA
Jun Chen · Gouli, CN
Claudia Buhrmester · Darmstadt, DE

Key dates

Filing date	Mar 31, 2005
Grant date	Oct 12, 2010
Priority date	—
Expiry date	Aug 12, 2029

Classification

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

Abstract

A redox chemical shuttle comprising an aromatic compound substituted with at least one tertiary carbon organic group and at least one alkoxy group (for example, 2,5-di-tert-butyl-1,4-dimethoxybenzene) provides repeated overcharge protection in rechargeable lithium-ion cells.

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