CN115362579A - 一种双极性集流体、电化学装置及电子装置 - Google Patents

一种双极性集流体、电化学装置及电子装置 Download PDF

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CN115362579A
CN115362579A CN202080099184.5A CN202080099184A CN115362579A CN 115362579 A CN115362579 A CN 115362579A CN 202080099184 A CN202080099184 A CN 202080099184A CN 115362579 A CN115362579 A CN 115362579A
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current collector
bipolar current
metal
thickness
bipolar
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张益博
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Ningde Amperex Technology Ltd
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Abstract

本发明提供一种双极性集流体、电化学装置及电子装置,双极性集流体包括多孔基体、第一金属、第二金属,多孔基体的一个表面存在第一金属,另一个表面存在第二金属,多孔基体的内部存在第一金属或第二金属中的至少一种。由于多孔基体具有抗氧化性、抗还原性、离子绝缘性,具有一定的机械强度的优点;双极性集流体的金属层具有良好的电子传导及离子绝缘能力,机械强度高、热稳定性好的优点,并且由于双极性集流体两侧表面具有一定粗糙度,可优化两侧正负极膜片与复合双极性集流体的界面结合,提升膜片粘结力。

Description

PCT国内申请,说明书已公开。

Claims (13)

  1. PCT国内申请,权利要求书已公开。
CN202080099184.5A 2020-06-30 2020-06-30 一种双极性集流体、电化学装置及电子装置 Pending CN115362579A (zh)

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EP (1) EP4160751A1 (zh)
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AU (1) AU2020455613B2 (zh)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116190606A (zh) * 2023-02-24 2023-05-30 三一红象电池有限公司 双极性极片及其制备方法和电池

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Publication number Priority date Publication date Assignee Title
CN114597420B (zh) * 2022-03-04 2024-01-12 蔚来动力科技(合肥)有限公司 锂离子电池、双极性集流体及其制备方法
CN117497792B (zh) * 2023-12-27 2024-03-08 寰泰储能科技股份有限公司 双极板及其制备方法

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Publication number Priority date Publication date Assignee Title
CN2588551Y (zh) * 2002-12-11 2003-11-26 吕明 双极性多孔电极极板-集流体
JP2005100804A (ja) 2003-09-25 2005-04-14 Matsushita Electric Ind Co Ltd リチウム二次電池用電極構造体およびリチウム二次電池
JP5386900B2 (ja) * 2008-09-18 2014-01-15 日産自動車株式会社 有機構造体を含む双極型リチウムイオン二次電池用集電体
JP5369863B2 (ja) 2009-04-23 2013-12-18 日産自動車株式会社 双極型電池用集電体
KR101292952B1 (ko) 2011-03-16 2013-08-02 삼성에스디아이 주식회사 전극조립체 및 이를 이용한 이차 전지
JP5590576B2 (ja) 2011-10-14 2014-09-17 独立行政法人産業技術総合研究所 蓄電デバイス用電極の製造方法、および、蓄電デバイス
CN102623756A (zh) * 2012-04-19 2012-08-01 常州优特科新能源科技有限公司 薄膜复合材料双极电池及其双极板基体
CN108390068A (zh) 2018-02-09 2018-08-10 合肥国轩高科动力能源有限公司 一种双极性集流体及其制备方法
CN108365227A (zh) 2018-04-20 2018-08-03 福建猛狮新能源科技有限公司 一种多维度导电复合集流体及其制造方法
CN109216703A (zh) * 2018-09-06 2019-01-15 珠海光宇电池有限公司 一种柔性多孔集流体及其制备方法
CN109786755A (zh) 2018-12-26 2019-05-21 中国电子科技集团公司第十八研究所 一种双极性电池复合集流体结构及制备方法
CN115084535A (zh) * 2019-03-29 2022-09-20 宁德新能源科技有限公司 复合集流体与包含其的复合极片及电化学装置
CN109994740B (zh) * 2019-03-29 2021-08-13 宁德新能源科技有限公司 复合集流体与包含其的复合极片及电化学装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116190606A (zh) * 2023-02-24 2023-05-30 三一红象电池有限公司 双极性极片及其制备方法和电池

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US20230134298A1 (en) 2023-05-04

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