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CN109891665A 具有提高的安全性的用于二次电池的壳体材料及包括该壳体材料的二次电池 有权 转让

  • Patent Title: 具有提高的安全性的用于二次电池的壳体材料及包括该壳体材料的二次电池
  • Patent Title (English): Sheath material, having improved safety, for secondary battery, and secondary battery comprising same
  • Application No.: CN201880004040.X
    Application Date: 2018-02-12
  • Publication No.: CN109891665A
    Publication Date: 2019-06-14
  • Inventor: 金大洙 , 金珉京
  • Applicant: 株式会社LG化学
  • Applicant Address: 韩国首尔
  • Assignee: 株式会社LG化学
  • Current Assignee: 株式会社LG新能源
  • Current Assignee Address: 韩国首尔
  • Agency: 北京律诚同业知识产权代理有限公司
  • Agent 徐金国
  • Priority: 10-2017-0031307 2017.03.13 KR
  • International Application: PCT/KR2018/001838 2018.02.12
  • International Announcement: WO2018/169217 KO 2018.09.20
  • Date entered country: 2019-04-23
  • Main IPC: H01M10/52
  • IPC: H01M10/52 ;  H01M2/02 ;  H01M10/052
具有提高的安全性的用于二次电池的壳体材料及包括该壳体材料的二次电池
Abstract:
本公开内容涉及一种成形为容纳电极组件的用于二次电池的壳体及包括该壳体的二次电池。所述用于二次电池的壳体的功用是清除在电池的充电/放电期间产生的氟化氢(HF)。在一个实施方式中，用于二次电池的壳体包括：壳体材料，该壳体材料布置成使得壳体材料的内部表面限定了具有与电极组件的形状对应的容纳部分；和设置在壳体材料的内部表面上的聚合物片，其中聚合物片具有包含于其中或设置于其表面上的氟化氢(HF)清除剂(scavenger)，并且其中聚合物片能够在3或更低的pH下溶解。
Abstract(English):

The present invention relates to a sheath material for a secondary battery, the sheath material receiving an electrode assembly, and to a secondary battery comprising the same. More specifically, thepresent invention relates to a sheath material for a secondary battery and a secondary battery comprising the same, wherein the sheath material has a function of scavenging hydrogen fluoride (HF) generated during charge and discharge of the battery. In the sheath material for a secondary battery, a receiving portion corresponding to a shape of the electrode assembly is formed and a polymer sheet comprising an HF scavenger is added to an inside surface of the sheath material, wherein the polymer sheet is dissolved in conditions of pH 3 or lower.

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