CN110859053A - 一种复合锂电池隔膜及其制备方法 - Google Patents

一种复合锂电池隔膜及其制备方法 Download PDF

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CN110859053A
CN110859053A CN201880000766.6A CN201880000766A CN110859053A CN 110859053 A CN110859053 A CN 110859053A CN 201880000766 A CN201880000766 A CN 201880000766A CN 110859053 A CN110859053 A CN 110859053A
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lithium battery
composite lithium
coating
battery separator
base film
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姚勇强
平翔
张柳浩
叶斌
陈秀峰
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Shenzhen Senior Technology Material Co Ltd
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Shenzhen Senior Technology Material Co Ltd
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Priority to CN202211639467.1A priority Critical patent/CN116130885A/zh
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Abstract

本公开是一种复合锂电池隔膜及其制备工艺，属于锂离子电池技术领域，复合锂电池隔膜包括基膜或者陶瓷膜，以及覆盖于基膜或者陶瓷膜的单侧或双侧的涂覆层，涂覆层是采用浆料涂布形成，浆料按照重量百分比计包括涂层聚合物5％‑45％和有机溶剂55％‑95％，涂层聚合物按照重量份数计包括氟类或丙烯酸类的树脂聚合物10‑100份、高分子胶粘剂0.5‑10份、无机纳米粒子0‑90份。本公开的复合锂电池隔膜引入高涂层孔隙率和具有锂离子传导能力的无机粒子，极大提高了隔膜的离子传导率和对电解液的吸/保液率，同时本公开的隔膜表面静电少，易于电池组装，隔膜的抗剥离能力和与正负极片的粘结力高，电池硬度得到提高，极大降低电池内部短路的风险。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN201880000766.6A 2018-06-26 2018-06-26 一种复合锂电池隔膜及其制备方法 Pending CN110859053A (zh)

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US (1) US20210265702A1 (zh)
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112397716A (zh) * 2020-07-31 2021-02-23 湖北亿纬动力有限公司 一种油性陶瓷浆料、其制备方法、采用该浆料涂覆的正极片及锂离子电池
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CN113644377A (zh) * 2021-07-08 2021-11-12 河北金力新能源科技股份有限公司 一种半固态磷酸钛锂铝凝胶电解质隔膜浆料及其制备方法和应用
CN113939937A (zh) * 2020-04-17 2022-01-14 深圳市星源材质科技股份有限公司 组合物、复合隔膜及其制备方法以及锂离子电池
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Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101326658A (zh) * 2005-12-06 2008-12-17 Lg化学株式会社 具有形态梯度的有机/无机复合隔膜、其制造方法和含该隔膜的电化学装置
CN102222784A (zh) * 2011-05-10 2011-10-19 廖勇勤 无机/有机复合多孔锂电池隔膜的制备方法
CN103035866A (zh) * 2013-01-09 2013-04-10 厦门大学 一种陶瓷隔膜及其在电池中的应用及含该陶瓷隔膜的电池
CN103943851A (zh) * 2013-12-20 2014-07-23 宁波维科电池股份有限公司 一种磷酸铁锂水性正极浆料及其制备方法
CN104051696A (zh) * 2014-06-27 2014-09-17 佛山市金辉高科光电材料有限公司 一种锂离子电池隔膜及其制备方法
WO2015076602A1 (ko) * 2013-11-21 2015-05-28 삼성에스디아이 주식회사 개선된 굴곡강도를 가지는 전극 조립체, 이의 제조 방법 및 이를 포함하는 전기 화학 전지
CN105552277A (zh) * 2015-12-22 2016-05-04 沧州明珠隔膜科技有限公司 一种pvdf涂覆锂离子电池隔膜及其制备方法
CN106252565A (zh) * 2016-09-23 2016-12-21 佛山市金辉高科光电材料有限公司 一种复合涂覆处理的锂离子电池隔膜及其制备方法
CN107275550A (zh) * 2017-06-20 2017-10-20 深圳市星源材质科技股份有限公司 一种陶瓷和聚合物复合涂覆锂离子隔膜及其制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7072115B2 (en) * 2002-03-26 2006-07-04 Keiwa Inc. Light diffusion sheet and backlight unit using the same
KR100727248B1 (ko) * 2007-02-05 2007-06-11 주식회사 엘지화학 다공성 활성층이 코팅된 유기/무기 복합 분리막 및 이를구비한 전기화학소자
JP5795646B2 (ja) * 2011-11-01 2015-10-14 エルジー・ケム・リミテッド セパレータ及びそれを備える電気化学素子
KR101488917B1 (ko) * 2012-02-29 2015-02-03 제일모직 주식회사 유기 및 무기 혼합물 코팅층을 포함하는 분리막 및 이를 이용한 전지
CN104183805B (zh) * 2013-05-25 2017-07-25 湖南省正源储能材料与器件研究所 一种陶瓷涂层隔膜的制备方法
WO2015076575A1 (ko) * 2013-11-21 2015-05-28 삼성에스디아이 주식회사 분리막 및 이를 이용한 이차 전지
US9825269B2 (en) * 2013-12-20 2017-11-21 Samsung Sdi Co., Ltd. Porous polyolefin separator and method for manufacturing the same
CN104241569B (zh) * 2014-08-28 2016-06-01 江苏华东锂电技术研究院有限公司 复合隔膜的制备方法
CN104446515B (zh) * 2014-11-20 2016-06-22 深圳市星源材质科技股份有限公司 锂离子电池隔膜的高固含量水性陶瓷浆料及其加工方法
CN105449139A (zh) * 2015-03-27 2016-03-30 万向A一二三系统有限公司 一种解决钛酸锂负极锂离子电池高温胀气的方法
KR101742653B1 (ko) * 2015-04-27 2017-06-01 삼성에스디아이 주식회사 높은 겔화 특성을 가진 아크릴계 공중합체를 포함하는 분리막 및 이를 포함하는 전기 화학 전지
KR101811328B1 (ko) * 2015-08-24 2017-12-22 삼성에스디아이 주식회사 분리막 및 이를 포함하는 전기 화학 전지
JP2018163872A (ja) * 2017-03-03 2018-10-18 帝人株式会社 非水系二次電池用セパレータ及び非水系二次電池
CN107658409B (zh) * 2017-09-26 2020-09-01 成都新柯力化工科技有限公司 一种用于锂电池的非织造材料隔膜及制备方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101326658A (zh) * 2005-12-06 2008-12-17 Lg化学株式会社 具有形态梯度的有机/无机复合隔膜、其制造方法和含该隔膜的电化学装置
CN102222784A (zh) * 2011-05-10 2011-10-19 廖勇勤 无机/有机复合多孔锂电池隔膜的制备方法
CN103035866A (zh) * 2013-01-09 2013-04-10 厦门大学 一种陶瓷隔膜及其在电池中的应用及含该陶瓷隔膜的电池
WO2015076602A1 (ko) * 2013-11-21 2015-05-28 삼성에스디아이 주식회사 개선된 굴곡강도를 가지는 전극 조립체, 이의 제조 방법 및 이를 포함하는 전기 화학 전지
CN103943851A (zh) * 2013-12-20 2014-07-23 宁波维科电池股份有限公司 一种磷酸铁锂水性正极浆料及其制备方法
CN104051696A (zh) * 2014-06-27 2014-09-17 佛山市金辉高科光电材料有限公司 一种锂离子电池隔膜及其制备方法
CN105552277A (zh) * 2015-12-22 2016-05-04 沧州明珠隔膜科技有限公司 一种pvdf涂覆锂离子电池隔膜及其制备方法
CN106252565A (zh) * 2016-09-23 2016-12-21 佛山市金辉高科光电材料有限公司 一种复合涂覆处理的锂离子电池隔膜及其制备方法
CN107275550A (zh) * 2017-06-20 2017-10-20 深圳市星源材质科技股份有限公司 一种陶瓷和聚合物复合涂覆锂离子隔膜及其制备方法

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113939937A (zh) * 2020-04-17 2022-01-14 深圳市星源材质科技股份有限公司 组合物、复合隔膜及其制备方法以及锂离子电池
CN112397716A (zh) * 2020-07-31 2021-02-23 湖北亿纬动力有限公司 一种油性陶瓷浆料、其制备方法、采用该浆料涂覆的正极片及锂离子电池
CN112635913A (zh) * 2020-12-21 2021-04-09 珠海冠宇电池股份有限公司 一种复合隔膜、电池及复合隔膜制作方法
CN112635913B (zh) * 2020-12-21 2024-05-31 珠海冠宇电池股份有限公司 一种复合隔膜、电池及复合隔膜制作方法
CN115207568A (zh) * 2021-04-14 2022-10-18 苹果公司 电池单元中的低电阻分隔体设计
CN113437435A (zh) * 2021-06-23 2021-09-24 江苏星源新材料科技有限公司 涂覆浆料、涂覆隔膜及其制备方法
CN113258128A (zh) * 2021-06-28 2021-08-13 珠海冠宇电池股份有限公司 一种锂离子电池及电子装置
CN113644377A (zh) * 2021-07-08 2021-11-12 河北金力新能源科技股份有限公司 一种半固态磷酸钛锂铝凝胶电解质隔膜浆料及其制备方法和应用
CN114069160A (zh) * 2021-10-11 2022-02-18 惠州锂威电子科技有限公司 一种复合隔膜及其制备方法
CN114284638A (zh) * 2021-11-19 2022-04-05 国科广化韶关新材料研究院 一种锂金属电池的有机无机杂化隔膜及其制备方法和锂金属电池
CN114388982A (zh) * 2021-12-23 2022-04-22 荣盛盟固利新能源科技股份有限公司 一种锂离子电池抗静电涂胶隔膜及制备方法和锂离子电池
CN114678658B (zh) * 2022-03-14 2023-07-04 惠州锂威新能源科技有限公司 一种抗静电隔膜及其制备方法、应用和二次电池
CN114678658A (zh) * 2022-03-14 2022-06-28 惠州锂威新能源科技有限公司 一种抗静电隔膜及其制备方法、应用和二次电池
CN114824646A (zh) * 2022-03-21 2022-07-29 惠州锂威电子科技有限公司 一种复合油基隔膜及其制备方法和二次电池
CN114824646B (zh) * 2022-03-21 2024-07-05 惠州锂威电子科技有限公司 一种复合油基隔膜及其制备方法和二次电池
WO2023179373A1 (zh) * 2022-03-25 2023-09-28 宁德时代新能源科技股份有限公司 隔离膜及其制备方法、电池和用电装置

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