Is a
Patent attributes
Patent Applicant
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jeffrey L. Swoyer0
Jeremy Barker0
M. Yazid Saidi0
Date of Patent
March 29, 2005
0Patent Application Number
101157870
Date Filed
April 4, 2002
0Patent Citations Received
Patent Primary Examiner
Patent 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.
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