Patent · US Active

Electrolyte for lithium batteries

US8883356B2 · kind B2 · utility

0Cited by

20References

17Claims

0Family size

Assignee

BYD Company Limited · CN

Inventors

Guishu Zhou · Nanhu, CN
Lei Si · Beijing, CN
Yong Wang · Singapore, SG
Yiwei Fan · 三江村, CN

Key dates

Filing date	Jun 11, 2009
Grant date	Nov 11, 2014
Priority date	—
Expiry date	Aug 4, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/4911
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Electrolyte and lithium secondary batteries containing the same are disclosed. In one instance, the electrolyte includes a lithium salt, a solvent and an additive. In some examples, the additive includes substances A, B and C, wherein substance A is vinylene carbonate, substance B includes at least one of fluorinated or chlorinated ethylene carbonate or diethylene carbonate, and substance C includes at least one of ethylene sulfite, 1,3-propanesultone and propenyl sulfite.

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