Patent · US Active

Electrode materials and lithium battery systems

US7968231B2 · kind B2 · utility

1Cited by

20References

21Claims

0Family size

Assignee

U Chicago Argonne LLC · US

Inventors

Khalil Amine · Oak Brook, US
Ilias Belharouak · Bolingbrook, US
Jun Liu · 安丰镇, CN

Key dates

Filing date	May 31, 2006
Grant date	Jun 28, 2011
Priority date	—
Expiry date	Aug 13, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/70
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A material comprising a lithium titanate comprising a plurality of primary particles and secondary particles, wherein the average primary particle size is about 1 nm to about 500 nm and the average secondary particle size is about 1 μm to about 4 μm. In some embodiments the lithium titanate is carbon-coated. Also provided are methods of preparing lithium titanates, and devices using such materials.

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