CN113939937A - 组合物、复合隔膜及其制备方法以及锂离子电池 - Google Patents

组合物、复合隔膜及其制备方法以及锂离子电池 Download PDF

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CN113939937A
CN113939937A CN202080000572.3A CN202080000572A CN113939937A CN 113939937 A CN113939937 A CN 113939937A CN 202080000572 A CN202080000572 A CN 202080000572A CN 113939937 A CN113939937 A CN 113939937A
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melting
nanowires
polymer
mixed solution
point polymer
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姚勇强
平翔
张柳浩
王金广
林陆菁
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Shenzhen Senior Technology Material Co Ltd
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Abstract

一种组合物、复合隔膜及其制备方法以及锂离子电池。组合物包括聚合物树脂10‑100份、高分子胶粘剂0.5‑10份、无机纳米粒子粉体0‑50份和纳米线0‑40份。聚合物树脂包括低熔点聚合物和高熔点聚合物，低熔点聚合物和高熔点聚合物为同一个物质；低熔点聚合物与高熔点聚合物的重量比为(5‑90)：(10‑95)；低熔点聚合物的熔点在145℃以下；高熔点聚合物的熔点在146‑500℃范围内。高低熔点聚合物的搭配使用，能在保证涂层与极片的界面粘接力和涂层耐热性达到较好的效果的同时减少溶胀。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN202080000572.3A 2020-04-17 2020-04-17 组合物、复合隔膜及其制备方法以及锂离子电池 Pending CN113939937A (zh)

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WO2023245838A1 (zh) * 2022-06-24 2023-12-28 宁德时代新能源科技股份有限公司 隔离膜、其制备方法及其相关的二次电池和用电装置
CN117954791A (zh) * 2024-03-26 2024-04-30 宁德新能源科技有限公司 隔离膜、电化学装置以及电子设备

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CN114649636B (zh) * 2022-01-06 2023-08-18 北京沐昱新能源科技有限公司 具有液固两相热压粘结性能的干法极片及含油隔膜
CN115051107B (zh) * 2022-06-02 2023-08-22 哈尔滨工业大学 一种核壳纳米管式结构材料改性的复合隔膜及其制备方法和应用
CN116315455B (zh) * 2023-05-04 2023-08-08 合肥长阳新能源科技有限公司 一种高离子电导率耐高温锂电池隔膜及其制备方法
CN116435711B (zh) * 2023-06-14 2023-08-25 中材锂膜(内蒙古)有限公司 聚合物涂覆隔膜及其制备方法和电池

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CN117954791A (zh) * 2024-03-26 2024-04-30 宁德新能源科技有限公司 隔离膜、电化学装置以及电子设备

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WO2021208071A1 (zh) 2021-10-21
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KR20220127910A (ko) 2022-09-20
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