Current collector for polymer electrochemical cells and eclectrochemical generators thereof
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United States of America Patent
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app pub date -
May 23, 2005
filing date -
Dec 27, 2002
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Abstract
A current collector for an electrochemical cell. The current collector comprises a polymer support film having a surface. The current collector also comprises a conductive metallic layer on at least a portion of the surface of the polymer support film, the conductive metallic layer having a first thickness. The current collector further comprises a protective metallic layer on the conductive metallic layer. The protective metallic layer has a second thickness less than the first thickness and is adapted to protect the conductive metallic layer against corrosion. Also provided are a method of manufacturing such a current collector and an electrochemical generator comprising such a current collector.
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