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 PDFInfo
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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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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)
- PCT国内申请,权利要求书已公开。
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CN115939673A (zh) * | 2022-11-30 | 2023-04-07 | 宁德时代新能源科技股份有限公司 | 隔离膜及其制备方法、电池和用电设备 |
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CN102630353A (zh) * | 2009-09-30 | 2012-08-08 | 日本瑞翁株式会社 | 二次电池用多孔膜及二次电池 |
KR20130099592A (ko) * | 2012-02-29 | 2013-09-06 | 제일모직주식회사 | 유기 및 무기 혼합물 코팅층을 포함하는 분리막 및 이를 이용한 전지 |
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CN107895765A (zh) * | 2017-10-13 | 2018-04-10 | 深圳市旭然电子有限公司 | 无机/有机复合多孔性隔离膜、制备方法及其锂离子电池 |
CN109950451A (zh) * | 2017-12-21 | 2019-06-28 | 宁德时代新能源科技股份有限公司 | 一种隔离膜,其制备方法及含有该隔离膜的电化学装置 |
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US20230024649A1 (en) | 2023-01-26 |
KR102537203B1 (ko) | 2023-05-26 |
JP7446459B2 (ja) | 2024-03-08 |
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