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Lotte Energy Materials Enters Lucrative Tesla Battery Copper Foil Market, Challenging Incumbents

Lotte Energy Materials, a leading developer in the battery industry, has announced its foray into the production of copper foil for 4680 standard cylindrical batteries, colloquially known as "Tesla batteries." The move will position the company in direct competition with established players Solus Advanced Materials and SK nexilis in the burgeoning next-generation cylindrical battery copper foil market.

Copper foil, which serves as a negative current collector in electric vehicle batteries, is significantly more lucrative than its aluminum counterpart, thanks to copper's roughly threefold price premium. Historically, copper foil production relied on a rolling method, but since the 2000s. . .

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