Patent · US Active

Pyridine sulfur trioxide complexes as electrolyte component for high voltage batteries

US11177505B2 · kind B2 · utility

0Cited by

1References

14Claims

0Family size

Assignee

BASF SE

Inventors

Frederick Francois Chesneau · St. Leon-Rot, DE
Arnd Garsuch · Ludwigshafen, DE
Michael Schmidt · Oestrich-Winkel, DE
Brett Lucht · Wakefield, US
Julien DEMEAUX · Châteaudun, FR
Yingnan Dong · Fremont, US
Bo Zhang · 安丰镇, CN

Key dates

Filing date	Jan 2, 2018
Grant date	Nov 16, 2021
Priority date	—
Expiry date	May 19, 2038

Classification

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

Abstract

An electrolyte composition including (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one pyridine-SO3 complex of formula (I) wherein R is selected independently at each occurrence from F, C1 to C10 alkyl, C2 to C10 alkenyl, and C2 to C10 alkynyl, wherein alkyl, alkenyl, and alkynyl may be substituted by one or more substituents selected from F and CN; and n is an integer selected from 1, 2, 3, 4, and 5; and (vi) optionally one or more additives; and its use in electrochemical cells.

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