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Pouch film laminate, pouch-type battery case, and pouch-type secondary battery
PendingCN122094831AGuaranteed sealing qualityEnsure processabilitySynthetic resin layered productsCell component detailsPolymer scienceElectrical battery
The present invention relates to a pouch film laminate in which a base material layer, a gas barrier layer, and a sealant layer are laminated in this order, in which the sealant layer comprises a first sealant layer comprising a polypropylene random copolymer and a second sealant layer comprising a crosslinked polypropylene, and the degree of crosslinking of the second sealant layer is in the range of 52% to 80%.
Owner:LG ENERGY SOLUTION LTD