Sumitomo Chemical to more than double PERVIO Li-ion separator production capacity; supplier to Panasonic, Tesla
Green Car Congress
JUNE 11, 2015
Sumitomo Chemical will more than double its production capacity for lithium-ion secondary battery separators, marketed under the PERVIO brand name. PERVIO, which combines a heat-resistant layer composed of aramid fiber and ceramics with a polyolefin substrate, contributes to battery safety. PERVIO is chiefly used in automotive battery cells through its use in Panasonic’s high-capacity and high-energy density cylindrical lithium-ion secondary batteries.