POUCH FILM LAMINATE, POUCH TYPE BATTERY SHEATH AND POUCH TYPE SECONDARY BATTERY

ID202605786APending Publication Date: 2026-07-13LG ENERGY SOLUTION LTD
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Patent Information

Authority / Receiving Office
ID · ID
Patent Type
Applications
Current Assignee / Owner
LG ENERGY SOLUTION LTD
Filing Date
2025-03-18
Publication Date
2026-07-13
Patent Text Reader

Abstract

The present invention relates to a pouch film laminate comprising a substrate layer, a gas barrier layer, and a sealing layer laminated sequentially, wherein the substrate layer comprises a polyester-based resin comprising an ethylene glycol-derived structure, a butylene glycol-derived structure, and a terephthalic acid-derived structure, and the molar ratio of the ethylene glycol-derived structure:butylene glycol-derived structure is 95:5 to 80:20.
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