Electrode binder compositions and electrodes for lithium ion batteries and electric double layer capacitors
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United States of America Patent
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Issued Date -
Jun 26, 2008
app pub date -
Dec 21, 2007
filing date -
Dec 21, 2006
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Abstract
An electrode binder composition comprising at least one metal chelate compound and at least one fluoropolymer. The binder composition used in a battery electrode improves the cohesion of the powdered active electrode material as well as the adhesion strength between the active material layer and the metallic current collector. The invention further relates to battery electrodes containing the binder composition for lithium ion secondary batteries and electric double layer capacitors.
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