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Technology Stocks : VALENCE TECHNOLOGY (VLNC) -- Ignore unavailable to you. Want to Upgrade?

To: MKT_entropy who wrote (25767)	12/6/2002 3:07:17 PM
From: geep	Read Replies (1) \| Respond to of 27311

Interesting patent application - Na batteries. 1. SODIUM ION BATTERIES PCT 12-05-02 02097907 WO NDN- 172-0058-4682-0 INVENTOR(S)- BARKER, Jeremy 10 Home Farm Close, Shipton-Under-Wynchwood, Oxforshire, OX7-6EH, England United Kingdom INVENTOR(S)- YAZID, Saidi, M. 301 Conestoga Way, Henderson, NV 89015 United States of America INVENTOR(S)- SWOYER, Jeffrey, L. 301 Conestoga Way, Henderson, NV 89015 United States of America APPLICANT(S)- VALENCE TECHNOLOGY, INC. 301 Conestoga Way, Henderson, NV 89015 United States of America APPLICANT(S)- BARKER, Jeremy 10 Home Farm Close, Shipton-Under-Wynchwood, Oxforshire, OX7-6EH, England United Kingdom APPLICANT(S)- YAZID, Saidi, M. 301 Conestoga Way, Henderson, NV 89015 United States of America APPLICANT(S)- SWOYER, Jeffrey, L. 301 Conestoga Way, Henderson, NV 89015 United States of America DATE FILED- 2002-04-04 PUBLICATION NUMBER- 02097907 WO DOCUMENT TYPE- A2 PUBLICATION DATE- 2002-12-05 PATENT PRIORITY INFO- 60/283,560, 2001-04-06, United States of America ATTORNEY, AGENT, OR FIRM- DESCHERE, Linda, M., Harness, Dickey & Pierce, P.L.C., P.O. Box 828, Bloomfield Hills, MI 48303, United States of America INTERNATIONAL PATENT CLASS- H01M; 4/58; 10/40 PCT APP. NO.- PCT/US02/10775 FILING LANGUAGE- English LANGUAGE- English Sodium ion batteries are based on sodium based active materials selected among compounds of the general formula: A(sub)a(end sub)M(sub)b(end sub)(XY(sub)4(end sub))(sub)c(end sub)Z-(sub)d(end sub), 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 XY(sub)4(end sub) 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 100mAh/g.