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Title:
ナトリウムイオンバッテリ
Document Type and Number:
Japanese Patent JP2004533706
Kind Code:
A
Abstract:
Sodium ion batteries are based on sodium based active materials selected among compounds of the general formula AaMb(XY4)cZd, wherein A comprises sodium, M comprises one or more metals, comprising at least one metal which is capable of undergoing oxidation to a higher valence state, Z is OH or halogen, and XY4 represents phosphate or a similar group. The anode of the battery includes a carbon material that is capable of inserting sodium ions. The carbon anode cycles reversibly at a specific capacity greater than 100 mAh/g.

Inventors:
Baker Jeremy
Yazed Sidiem
Swoya Jeffrey El
Application Number:
JP2003500990A
Publication Date:
November 04, 2004
Filing Date:
April 04, 2002
Export Citation:
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Assignee:
VALENCE TECHNOLOGY, INC.
International Classes:
C01B25/455; H01M4/40; H01M4/58; H01M4/587; H01M10/054; H01M10/0564; H01M10/0565; H01M10/36; H01M4/02; H01M4/583; H01M6/16; (IPC1-7): H01M10/40; H01M4/02; H01M4/58
Domestic Patent References:
JP2001015111A2001-01-19
JPH09134724A1997-05-20
JPH09134725A1997-05-20
JP2001085010A2001-03-30
JP2001500665A2001-01-16
Attorney, Agent or Firm:
Kunio Miura
野▲崎▼ 照夫
Masayoshi Miwa