Patent · US Expired

Electrolytes for lithium ion batteries

US7226704B2 · kind B2 · utility

14Cited by

2References

5Claims

0Family size

Assignee

CHEMETALL GMBH · DE

Inventors

Jan-Christoph Panitz · Frankfurt, DE
Ulrich Wietelmann · Friedrichsdorf, DE
Markus Thomas Scholl · Lausanne, CH

Key dates

Filing date	Mar 5, 2002
Grant date	Jun 5, 2007
Priority date	—
Expiry date	Nov 2, 2023

Classification

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

Abstract

Electrolytes containing lithium-bis(oxalato)borate, a cyclic carbonate, one or more compounds selected from acrylic carbonates, aliphatic esters, alicyclic ethers and aliphatic, difunctional ethers, one or more compounds selected from lactones, dinitriles, compounds that contain at least one carboxylic acid ester group and an ether group, compounds that contain at least one carbonic acid group and an ether group, compounds that contain at least one nitrile group and an ether group, trialkyl phosphoric acid esters and trialkyl boric acids.

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