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    • 4. 发明公开
    • 향상된 생산성의 이차전지 제조방법
    • 提高二次电池制备生产率的过程
    • KR1020120056316A
    • 2012-06-04
    • KR1020100117706
    • 2010-11-24
    • 주식회사 엘지화학
    • 연규복전광열이승배안근표노교련성기은이향목김태완
    • H01M2/08H01M2/02H01M2/32
    • PURPOSE: A manufacturing method of a secondary battery is provided to remarkably improve productivity by forming a sealing part through infra red ray irradiation. CONSTITUTION: A manufacturing method of a secondary battery by thermal setting sealing while an electrode assembly is mounted in a pouch type battery case(120) comprises: a step of forming a sealing part by melting sealant layers(120c) adhered each other by irradiating infrared rays to a predetermined sealing part at the outer circumference of an electrode assembly accepting part while an electrode assembly is mounted into a pouch type battery case. The battery case consists of an outermost layer(120a) of polymer resin, a blocking metal layer(120b), and a laminate sheet containing a thermosetting resin sealant layer, and comprises an electrode assembly accepting part(123).
    • 目的:提供二次电池的制造方法,通过红外线照射形成密封部,显着提高生产率。 构成:在电极组件安装在袋式电池壳体(120)中时,通过热定形密封的二次电池的制造方法包括:通过使通过照射红外线而彼此粘附的密封剂层(120c)来熔化密封部分而形成密封部分的步骤 在将电极组件安装在袋型电池壳体中的同时,将电极组件接收部的外周面的预定密封部射入。 电池壳体由聚合物树脂的最外层(120a),阻挡金属层(120b)和含有热固性树脂密封剂层的层叠片组成,并且包括电极组件接纳部(123)。