IRON ELECTRODE MATERIAL WITH LOW SELF DISCHARGE - CHENG DU HE NENG TECHNOLOGY CO

Title:

IRON ELECTRODE MATERIAL WITH LOW SELF DISCHARGE

Document Type and Number:

WIPO Patent Application WO/2010/069209

Kind Code:

A1

Abstract:

An iron electrode material with low self discharge, the iron electrode material is consisted of an active material and an additive, the active material is iron or iron compound which comprises one or more members selected from Fe3O4, Fe(OH)2, Fe(OH)3, Fe2O3, reduced iron powder and carbonyl iron powder; the additive comprises (1) indium or indium compound with a content of 0.02-0.15％ which comprises one or more members selected from In, In2O3, In2(SO4)3, In(OH)3 and InCl3, (2)tin or tin compound with a content of 2-8％which comprises one or more members selected from Sn, SnO, SnO2, SnCl2, SnCl4 and stannate, (3)bismuth or bismuth compound with a content of 1-7％ which comprises one or more members selected from Bi, Bi2O3 and Bi(NO3)3, and (4) graphite powders with a content of 5-10％.

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Inventors:

TAO MINGDA (CN)
HE XIUNENG (CN)
PAN WEI (CN)

Application Number:

PCT/CN2009/074716

Publication Date:

June 24, 2010

Filing Date:

October 30, 2009

Export Citation:

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Assignee:

CHENG DU HE NENG TECHNOLOGY CO (CN)
TAO MINGDA (CN)
HE XIUNENG (CN)
PAN WEI (CN)

International Classes:

H01M4/36

Foreign References:

CN1532965A	2004-09-29
JPS5340694B1	1978-10-28
CN1346161A	2002-04-24

Other References:

XIANG MIN ET AL.: "Research Status on Iron Anode Used For Alkaline Battery", CHINESE BATTERY INDUSTRY, vol. 5, no. 4, August 2000 (2000-08-01), pages 172 - 173

Attorney, Agent or Firm:

SHENZHEN ZHONGZHI PATENT & TRADEMARK AGENT CO., LTD. (Hong1104 Rm.,11/F,Shenzhen Science & Technology Building,1001Shangbu Zhong Road, Futian Distric, Shenzhen Guangdong 1, CN)

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