CN114467195A - 负极材料及其制备方法和应用以及含有其的锂离子电池 - Google Patents

负极材料及其制备方法和应用以及含有其的锂离子电池 Download PDF

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CN114467195A
CN114467195A CN202080070424.9A CN202080070424A CN114467195A CN 114467195 A CN114467195 A CN 114467195A CN 202080070424 A CN202080070424 A CN 202080070424A CN 114467195 A CN114467195 A CN 114467195A
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negative electrode
lithium
silicon
electrode material
phosphorus
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孙赛
张丝雨
高焕新
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China Petroleum and Chemical Corp
Sinopec Shanghai Research Institute of Petrochemical Technology
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China Petroleum and Chemical Corp
Sinopec Shanghai Research Institute of Petrochemical Technology
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Priority claimed from CN201910953233.6A external-priority patent/CN112635719B/zh
Priority claimed from CN201910953279.8A external-priority patent/CN112652755B/zh
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Abstract

本公开涉及硅基负极材料及其制备方法和其在锂离子电池中的应用，还涉及包含该硅基负极材料的锂离子电池。本公开的负极材料包含含硅材料和在所述含硅材料外周的含磷包覆层，其中所述含磷包覆层包含具有稠环芳烃结构片段的聚合物。本公开的负极材料同时具有改善的首次库伦效率、可逆充电比容量、循环充电容量保留率和导电性。在用于锂离子电池中时，本公开的负极材料可以提高锂电池的能量密度。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN202080070424.9A 2019-10-09 2020-09-29 负极材料及其制备方法和应用以及含有其的锂离子电池 Pending CN114467195A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN201910953233.6A CN112635719B (zh) 2019-10-09 2019-10-09 电池负极材料及其制备方法和应用以及锂离子电池
CN201910953279.8A CN112652755B (zh) 2019-10-09 2019-10-09 硅碳负极材料及其制备方法和应用以及锂离子电池
CN2019109532798 2019-10-09
CN2019109532336 2019-10-09
PCT/CN2020/118704 WO2021068793A1 (zh) 2019-10-09 2020-09-29 负极材料及其制备方法和应用以及含有其的锂离子电池

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114784251A (zh) * 2022-05-13 2022-07-22 中国科学技术大学 一种磷包覆的负极材料及其制备方法和应用

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113816384B (zh) * 2021-08-30 2023-07-18 上海纳米技术及应用国家工程研究中心有限公司 一种掺磷多孔碳包覆氧化亚硅材料的制备方法及其产品
KR20240055744A (ko) * 2021-09-08 2024-04-29 코퍼스 델라웨어 인코포레이티드 흑연 재료를 코팅하기 위한 콜타르 피치의 분산액 및 Li-이온 배터리 전극 생산에서의 용도
CN114200266A (zh) * 2021-12-09 2022-03-18 西安交通大学 一种基于聚3-己基噻吩的电晕放电检测材料及其制备方法
CN115806290A (zh) * 2022-12-06 2023-03-17 广东凯金新能源科技股份有限公司 人造石墨锂离子电池负极材料及其制备方法
CN117293312B (zh) * 2023-11-24 2024-03-12 深圳市贝特瑞新能源技术研究院有限公司 一种硬碳材料及其制备方法和应用、钠离子电池
CN117976819A (zh) * 2024-03-29 2024-05-03 宁德时代新能源科技股份有限公司 负极极片、负极极片的制备方法、电池和用电设备

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105047887A (zh) * 2015-06-19 2015-11-11 苏州大学 一种改善锂离子电池硅负极材料的方法
CN105932284A (zh) * 2016-07-13 2016-09-07 盐城工学院 一种介孔碳紧密包覆型复合材料及其制备方法和应用
CN106463707A (zh) * 2014-02-21 2017-02-22 克雷多斯公司 官能化iv a族颗粒框架的纳米硅材料制备
CN106531992A (zh) * 2016-11-09 2017-03-22 南方科技大学 一种含硅复合材料及其制备方法与应用
CN107431192A (zh) * 2015-03-26 2017-12-01 橙力电池株式会社 硅类负极活性物质及其制备方法
WO2018146865A1 (ja) * 2017-02-09 2018-08-16 株式会社村田製作所 二次電池、電池パック、電動車両、電動工具および電子機器
CN109952670A (zh) * 2016-04-07 2019-06-28 存点有限公司 锂离子电池及其阳极
CN111916686A (zh) * 2019-05-08 2020-11-10 中国石油化工股份有限公司 含磷锂离子电池负极材料及其制备工艺
CN112635745A (zh) * 2019-10-09 2021-04-09 中国石油化工股份有限公司 复合材料及其制备方法和锂电池负极以及锂电池

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101179126B (zh) 2003-03-26 2011-09-28 佳能株式会社 电极材料、电极结构及具有该电极结构的二次电池
JP5298558B2 (ja) * 2007-08-30 2013-09-25 ソニー株式会社 二次電池用負極およびその製造方法、二次電池およびその製造方法、ならびに電子機器
JP5245592B2 (ja) * 2008-07-14 2013-07-24 信越化学工業株式会社 非水電解質二次電池用負極材、ならびにリチウムイオン二次電池及び電気化学キャパシタ
JP5381364B2 (ja) * 2009-06-12 2014-01-08 トヨタ自動車株式会社 二次電池用負極の製造方法及び電極構造
KR101519979B1 (ko) * 2013-03-25 2015-05-20 한국세라믹기술원 리튬이온이차전지용 음극 조성물
CN103400971B (zh) 2013-07-29 2016-07-06 宁德新能源科技有限公司 硅基复合材料及其制备方法以及其应用
US9859554B2 (en) * 2014-07-03 2018-01-02 GM Global Technology Operations LLC Negative electrode material for lithium-based batteries
CN106898736A (zh) * 2015-12-18 2017-06-27 比亚迪股份有限公司 一种锂离子电池用电极活性材料、锂离子电池极片及其制备方法和锂离子电池
US11177471B2 (en) * 2016-12-16 2021-11-16 Johnson Matthey Public Company Limited Anode materials for lithium ion batteries and methods of making and using same
CN108063221A (zh) * 2017-05-11 2018-05-22 华为技术有限公司 制备负极材料的方法、负极材料、负极极片和锂离子电池
CN108172775A (zh) 2017-11-23 2018-06-15 合肥国轩高科动力能源有限公司 一种锂离子电池用磷掺杂硅碳负极材料及其制备方法
CN108063216A (zh) * 2017-11-27 2018-05-22 浙江衡远新能源科技有限公司 一种锂电池负极极片及其制备方法
CN108461723B (zh) * 2018-02-11 2020-08-18 安普瑞斯（南京）有限公司 一种用于锂离子电池的硅基复合材料及其制备方法
US20200144597A1 (en) * 2018-11-02 2020-05-07 SiNode Systems, Inc. Advanced negative electrode architecture for high power applications
CN110137485B (zh) * 2019-06-26 2021-02-09 珠海冠宇电池股份有限公司 一种含有表面修饰膜的硅负极材料的制备方法
CN112652755B (zh) * 2019-10-09 2022-07-12 中国石油化工股份有限公司 硅碳负极材料及其制备方法和应用以及锂离子电池
CN111146422B (zh) * 2019-12-26 2023-07-07 宁德新能源科技有限公司 负极材料及包含其的电化学装置和电子装置
CN111146434A (zh) * 2019-12-26 2020-05-12 宁德新能源科技有限公司 负极材料及包含其的电化学装置和电子装置
CN111653738B (zh) 2020-04-20 2022-01-07 万向一二三股份公司 一种锂离子电池硅碳负极材料及其制备方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106463707A (zh) * 2014-02-21 2017-02-22 克雷多斯公司 官能化iv a族颗粒框架的纳米硅材料制备
CN107431192A (zh) * 2015-03-26 2017-12-01 橙力电池株式会社 硅类负极活性物质及其制备方法
CN105047887A (zh) * 2015-06-19 2015-11-11 苏州大学 一种改善锂离子电池硅负极材料的方法
CN109952670A (zh) * 2016-04-07 2019-06-28 存点有限公司 锂离子电池及其阳极
CN105932284A (zh) * 2016-07-13 2016-09-07 盐城工学院 一种介孔碳紧密包覆型复合材料及其制备方法和应用
CN106531992A (zh) * 2016-11-09 2017-03-22 南方科技大学 一种含硅复合材料及其制备方法与应用
WO2018146865A1 (ja) * 2017-02-09 2018-08-16 株式会社村田製作所 二次電池、電池パック、電動車両、電動工具および電子機器
CN111916686A (zh) * 2019-05-08 2020-11-10 中国石油化工股份有限公司 含磷锂离子电池负极材料及其制备工艺
CN112635745A (zh) * 2019-10-09 2021-04-09 中国石油化工股份有限公司 复合材料及其制备方法和锂电池负极以及锂电池

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DAN HE等: ""Hierarchical C-P(=O)(-O-)n(n≤2)-linked nano-Si/N-doped C/graphene porous foam as anodes for high-performance lithium ion batteries"", 《CARBON》, vol. 141, pages 531 - 541, XP085537120, DOI: 10.1016/j.carbon.2018.10.007 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114784251A (zh) * 2022-05-13 2022-07-22 中国科学技术大学 一种磷包覆的负极材料及其制备方法和应用

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