COMPOSITE MATERIAL AND ELECTRODES MADE THEREFROM

Title:

COMPOSITE MATERIAL AND ELECTRODES MADE THEREFROM

Document Type and Number:

WIPO Patent Application WO2004068616

Kind Code:

A3

Abstract:

A composite material having utility as a cathode material for a lithium ion battery includes a first component which is a metal phosphate and a second component which is a metal nitride, a metal oxynitride, or a mixture of the two. The second component is coated on, or dispersed through the bulk of, the first component. The metal phosphate may be a lithiated metal phosphate and may be based upon one or more transition metals. Also disclosed is a method for preparing the material as well as electrodes fabricated from the material and lithium ion cells which include such electrodes.

Inventors:

WANG LIYA (US)
XU CHUANJING (US)
MILLER JOHN M (US)

Application Number:

PCT/US2004/002470

Publication Date:

October 28, 2004

Filing Date:

January 29, 2004

Export Citation:

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Assignee:

T J TECHNOLOGIES INC (US)
WANG LIYA (US)
XU CHUANJING (US)
MILLER JOHN M (US)

International Classes:

H01B1/06; H01M4/136; H01M4/48; H01M4/58; H01M14/00; H01M4/02; H01M4/36; H01M10/052; H01M10/36; (IPC1-7): H01M4/48; H01B1/06; H01M4/58

Foreign References:

US6190806B1	2001-02-20
US5817436A	1998-10-06
US5910382A	1999-06-08
US5948569A	1999-09-07
US6153333A	2000-11-28

Other References: