CN115104219A - 一种隔离膜、其制备方法及其相关的二次电池、电池模块、电池包和装置 - Google Patents

一种隔离膜、其制备方法及其相关的二次电池、电池模块、电池包和装置 Download PDF

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CN115104219A
CN115104219A CN202080095489.9A CN202080095489A CN115104219A CN 115104219 A CN115104219 A CN 115104219A CN 202080095489 A CN202080095489 A CN 202080095489A CN 115104219 A CN115104219 A CN 115104219A
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organic particles
styrene
copolymer
coating
separator
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CN115104219B (zh
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洪海艺
程丛
兰媛媛
杨建瑞
柳娜
金海族
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Abstract

一种隔离膜以及包括所述隔离膜的二次电池、包括所述二次电池的装置以及所述隔离膜的制备方法。所述隔离膜包括基材(A)和形成在所述基材(A)至少一个表面上的涂层(B)，所述涂层(B)包括无机颗粒(B3)和有机颗粒，所述有机颗粒包括第一种有机颗粒(B1)和第二种有机颗粒(B2)；所述第一种有机颗粒(B1)和所述第二种有机颗粒(B2)嵌于所述无机颗粒(B3)中且在所述涂层(B)表面形成凸起；所述第一种有机颗粒(B1)的数均粒径>10μm，且所述第二种有机颗粒(B2)的数均粒径为2μm‑10μm。

Description

PCT国内申请，说明书已公开。

Claims (23)

  1. PCT国内申请，权利要求书已公开。
CN202080095489.9A 2020-11-30 2020-11-30 一种隔离膜、其制备方法及其相关的二次电池、电池模块、电池包和装置 Active CN115104219B (zh)

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WO2022110227A1 (zh) 2022-06-02
CN115104219B (zh) 2024-03-22
KR20220124821A (ko) 2022-09-14
JP7446459B2 (ja) 2024-03-08
JP2023508241A (ja) 2023-03-01

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