Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2007-09-11
2007-09-11
Maples, John S. (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S209000, C429S231400, C429S231950
Reexamination Certificate
active
10996938
ABSTRACT:
The present invention relates to an electrode for a rechargeable lithium battery comprising an emulsion binder, and a lithium secondary battery including the same. The electrode comprises a current collector coated with an active material layer including active material powders and a cellulose-based polymer binder having an esterification degree greater than or equal to 1.3 and a weight average molecular weight greater than or equal to 100,000. Batteries including electrodes with an active material that includes such a cellulose-based polymer exhibit improved energy density and high reversible capacity.
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Christie Parker & Hale LLP
Maples John S.
Samsung SDI Co., Ltd
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