US Patent 7229717 Anode active material and battery using it

Patent 7229717 was granted and assigned to Sony on June, 2007 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Sony

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7229717

Date of Patent

June 12, 2007

Patent Application Number

11232304

Date Filed

September 21, 2005

Patent Citations Received

‌

US Patent 11973178 Lithium ion cells with high performance electrolyte and silicon oxide active materials achieving very long cycle life performance

Patent Primary Examiner

‌

Bruce F. Bell

Patent abstract

A battery with a high capacity and superior cycle characteristics, and an anode active material used for it are provided. An anode active material contains tin as a first element, a second element, and a third element. The second element is at least one from the group consisting of boron, carbon, aluminum, and phosphorus, and

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