Anode active material and battery using the same

Details Anode active material and battery using the same Anode active material and battery using the same

2011-04-19

2011-04-19

Ryan, Patrick (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S221000, C429S218100, C429S226000, C429S231500, C429S325000

Reexamination Certificate

active

07927744

ABSTRACT:
A battery with a high capacity and superior cycle characteristics and an anode active material used in the battery are provided. An anode includes an anode active material capable of reacting with lithium. The anode active material includes at least tin, cobalt and carbon as elements, and the carbon content is within a range from 9.9 wt % to 29.7 wt % inclusive, and the ratio of cobalt to the total of tin and cobalt is within a range from 30 wt % to 70 wt % inclusive. Thereby, while a high capacity is maintained, cycle characteristics can be improved.

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http://www.merriam-webster.com/dictionary/alloy.
Japanese Office Action issued on Sep. 9, 2007.

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