Western battery start-ups are turning to underused production lines in Asia to scale up their operations, taking advantage of the idle capacity left by aggressive investment in electric vehicle batteries.
Altris, a Swedish maker of sodium-ion battery materials, said it was in talks with a Chinese battery manufacturer to lease an idle lithium-ion production line and convert it to make sodium-ion batteries for energy storage.
Christer Bergquist, Altris’s chief executive, said the company was also exploring whether it could use other European suppliers with overcapacity.
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