Celgard files patent infringement lawsuit against LG Chem over Li-ion separator technology
Green Car Congress
JANUARY 31, 2014
filed a complaint in the US District Court of the Western District of North Carolina against LG Chem, Ltd. The patent in the lawsuit covers ceramic composite layer lithium-ion battery separators developed by Celgard for high-energy rechargeable lithium-ion batteries. Legal action is not a decision we take lightly.
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