CN113748550A - 二次电池和含有该二次电池的装置 - Google Patents

二次电池和含有该二次电池的装置 Download PDF

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CN113748550A
CN113748550A CN202080005576.0A CN202080005576A CN113748550A CN 113748550 A CN113748550 A CN 113748550A CN 202080005576 A CN202080005576 A CN 202080005576A CN 113748550 A CN113748550 A CN 113748550A
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negative
active material
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secondary battery
negative electrode
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CN113748550B (zh
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马建军
沈睿
何立兵
陈雷
朱宝健
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Contemporary Amperex Technology Co Ltd
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Abstract

本申请公开了一种二次电池和含有该二次电池的装置。二次电池包括正极极片和负极极片，所述正极极片包括正极集流体以及设置在所述正极集流体至少一个表面上且包括正极活性材料的正极膜片，所述负极极片包括负极集流体以及设置在所述负极集流体至少一个表面上且包括负极活性材料的负极膜片，其中，所述负极活性材料包括第一材料和第二材料，所述第一材料包括人造石墨，所述第二材料包括天然石墨；所述正极活性材料包括层状锂过渡金属氧化物及其改性化合物中的一种或几种，且所述负极膜片背向所述负极集流体的表面的光洁度L满足：40≤L≤50；或者，所述正极活性材料包括橄榄石结构的含锂磷酸盐及其改性化合物中的一种或几种，且所述负极膜片背向所述负极集流体的表面的光洁度L满足：45≤L≤55。

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。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115995597A (zh) * 2023-03-22 2023-04-21 宁德新能源科技有限公司 二次电池和电子装置
CN116897446A (zh) * 2022-03-31 2023-10-17 宁德时代新能源科技股份有限公司 新型正极极片、二次电池、电池模块、电池包及用电装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118645586A (zh) * 2023-03-13 2024-09-13 宁德时代新能源科技股份有限公司 正极极片、电池和用电装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004103435A (ja) * 2002-09-11 2004-04-02 Hitachi Maxell Ltd リチウム二次電池
KR20140093877A (ko) * 2013-01-18 2014-07-29 (주)포스코켐텍 리튬 이차 전지용 음극 및 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지
CN105470519A (zh) * 2015-11-25 2016-04-06 天津市捷威动力工业有限公司 一种高电压高体积能量密度低温型锂离子电池
CN106252569A (zh) * 2016-08-31 2016-12-21 天津市捷威动力工业有限公司 一种高电压高体积能量密度长寿命锂离子电池及其制备方法
CN109888368A (zh) * 2019-03-05 2019-06-14 深圳鸿鹏新能源科技有限公司 低温锂离子电池

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5081375B2 (ja) * 2004-02-12 2012-11-28 三菱化学株式会社 リチウム二次電池用負極材料及びその製造方法、並びにそれを用いたリチウム二次電池用負極及びリチウム二次電池
JP3705801B1 (ja) * 2004-03-29 2005-10-12 シャープ株式会社 リチウムイオン二次電池
JP4861291B2 (ja) * 2007-10-31 2012-01-25 矢崎総業株式会社 ヒュージブルリンクユニットの支持構造
JP5018681B2 (ja) 2008-08-01 2012-09-05 トヨタ自動車株式会社 リチウムイオン二次電池の制御方法、及び、リチウムイオン二次電池システム
JP5666839B2 (ja) * 2010-06-30 2015-02-12 古河電気工業株式会社 ２次電池用負極、負極集電体、２次電池及びこれらの製造方法
JP5892393B2 (ja) 2011-12-14 2016-03-23 トヨタ自動車株式会社 非水電解質二次電池と二次電池用負極の製造方法
JP5708557B2 (ja) * 2012-05-15 2015-04-30 トヨタ自動車株式会社 電極用基材の検査方法
WO2016052648A1 (ja) * 2014-09-30 2016-04-07 株式会社Ｇｓユアサ 非水電解質蓄電素子用負極、非水電解質蓄電素子、及び蓄電装置
JP2016152077A (ja) * 2015-02-16 2016-08-22 信越化学工業株式会社 非水電解質二次電池用負極活物質及び非水電解質二次電池、並びに非水電解質二次電池用負極材の製造方法
JP2017073328A (ja) * 2015-10-09 2017-04-13 日立マクセル株式会社 非水電解液二次電池
JP2017132989A (ja) 2016-01-22 2017-08-03 東レ株式会社 二軸配向ポリエステルフィルム
KR102425002B1 (ko) 2017-11-06 2022-07-22 삼성에스디아이 주식회사 리튬 이차 전지용 음극 활물질 및 이를 포함하는 리튬 이차 전지
JP6977491B2 (ja) * 2017-11-10 2021-12-08 戸田工業株式会社 リチウムイオン二次電池用の負極材料、及びそれを用いたリチウムイオン二次電池。

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004103435A (ja) * 2002-09-11 2004-04-02 Hitachi Maxell Ltd リチウム二次電池
KR20140093877A (ko) * 2013-01-18 2014-07-29 (주)포스코켐텍 리튬 이차 전지용 음극 및 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지
CN105470519A (zh) * 2015-11-25 2016-04-06 天津市捷威动力工业有限公司 一种高电压高体积能量密度低温型锂离子电池
CN106252569A (zh) * 2016-08-31 2016-12-21 天津市捷威动力工业有限公司 一种高电压高体积能量密度长寿命锂离子电池及其制备方法
CN109888368A (zh) * 2019-03-05 2019-06-14 深圳鸿鹏新能源科技有限公司 低温锂离子电池

Cited By (2)

* Cited by examiner, † Cited by third party
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CN116897446A (zh) * 2022-03-31 2023-10-17 宁德时代新能源科技股份有限公司 新型正极极片、二次电池、电池模块、电池包及用电装置
CN115995597A (zh) * 2023-03-22 2023-04-21 宁德新能源科技有限公司 二次电池和电子装置

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