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Korea: LG Chem sues SK unit over electric car battery technology

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LG Chem sues SK unit over electric car battery technology
2011-12-12 20:38

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LG Chem said Monday that it filed a lawsuit against SK Innovation on Friday, claiming it copied LG’s key proprietary battery separator technology for electric cars.

The company said it took legal action after finding out that SK is in the stage of testing its battery for electric vehicles, which uses LG Chem’s technology, called the Safety Reinforced Separator.

“We have filed the lawsuit not only because we want to be reimbursed for damages, but also to protect our own technology,” said an LG Chem official. “If we let this go, other overseas competitors could also use the proprietary technology in the future.”

The SRS technology, developed and patented by LG Chem in 2005, is said to make the semi-permeable membrane mechanically and thermally superior compared to other separators by coating it with ceramic material. It ultimately increases the safety of the lithium ion battery built for electric cars, according to its company officials.


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