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Factorial teams up with Japan\'s Mitsui Mining & Smelting to speed mass production of all-solid-state batteries

U.S. all-solid-state battery company Factorial Energy is partnering with Japan’s Mitsui Mining & Smelting to broaden commercialisation of sulfide-based all-solid-state batteries. The companies will combine Factorial’s Solstice platform with Mitsui’s sulfide solid electrolyte technology and push mass production. Factorial said it aims to strengthen materials supply for Solstice and lay the groundwork for global scale-up. It has also expanded orders and partnerships with automakers and other industries.