Lithium ion electrochemical cell
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United States of America Patent
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Apr 28, 1998
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app pub date -
Jun 13, 1996
filing date -
Jun 13, 1996
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Abstract
Non-aqueous solid electrochemical cells with improved performance can be fabricated by employing intercalation based carbon anodes comprising graphitized microbead carbon particles. When employed in a lithium electrochemical cell sufficient cathode material is employed to intercalate the anode active material to attain a specific electrode capacity of greater than about 372 mAh/g. The electrochemical cell has a cycle life of greater than 200 cycles, and has a first cycle capacity loss of only about 10% to 15%.
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