CN111640948A - 一种阳极极片及其制备方法、锂离子电池 - Google Patents
一种阳极极片及其制备方法、锂离子电池 Download PDFInfo
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- CN111640948A CN111640948A CN202010456523.2A CN202010456523A CN111640948A CN 111640948 A CN111640948 A CN 111640948A CN 202010456523 A CN202010456523 A CN 202010456523A CN 111640948 A CN111640948 A CN 111640948A
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 230000008093 supporting effect Effects 0.000 claims abstract description 47
- 239000011248 coating agent Substances 0.000 claims abstract description 44
- 238000000576 coating method Methods 0.000 claims abstract description 44
- 239000012528 membrane Substances 0.000 claims abstract description 37
- 239000002002 slurry Substances 0.000 claims description 30
- 239000006256 anode slurry Substances 0.000 claims description 29
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- 238000007373 indentation Methods 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
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- 238000005096 rolling process Methods 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
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- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 239000006183 anode active material Substances 0.000 description 2
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
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- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
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- 239000006182 cathode active material Substances 0.000 description 2
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- 239000011889 copper foil Substances 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (12)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN202010456523.2A CN111640948A (zh) | 2020-05-26 | 2020-05-26 | 一种阳极极片及其制备方法、锂离子电池 |
PCT/CN2021/089568 WO2021238537A1 (zh) | 2020-05-26 | 2021-04-25 | 一种阳极极片及其制备方法、锂离子电池 |
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CN202010456523.2A CN111640948A (zh) | 2020-05-26 | 2020-05-26 | 一种阳极极片及其制备方法、锂离子电池 |
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CN111640948A true CN111640948A (zh) | 2020-09-08 |
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CN202010456523.2A Pending CN111640948A (zh) | 2020-05-26 | 2020-05-26 | 一种阳极极片及其制备方法、锂离子电池 |
Country Status (2)
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CN (1) | CN111640948A (zh) |
WO (1) | WO2021238537A1 (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111916645A (zh) * | 2020-07-01 | 2020-11-10 | 江苏塔菲尔新能源科技股份有限公司 | 极片、极片的制备方法及电池 |
CN112436102A (zh) * | 2020-11-24 | 2021-03-02 | 珠海冠宇电池股份有限公司 | 极片、电芯及极片夹持组件 |
CN113130838A (zh) * | 2021-03-17 | 2021-07-16 | 惠州锂威新能源科技有限公司 | 一种多极耳电芯极片的制备方法、多极耳电芯极片及多极耳电芯 |
WO2021238537A1 (zh) * | 2020-05-26 | 2021-12-02 | 东莞塔菲尔新能源科技有限公司 | 一种阳极极片及其制备方法、锂离子电池 |
CN115000345A (zh) * | 2022-06-27 | 2022-09-02 | 楚能新能源股份有限公司 | 电池极片及其生产方法、包含该极片的电池芯包和电池 |
CN115377624A (zh) * | 2021-05-18 | 2022-11-22 | 通用汽车环球科技运作有限责任公司 | 在电化学电池组件上形成边缘材料的方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114512629A (zh) * | 2022-01-25 | 2022-05-17 | 惠州市豪鹏科技有限公司 | 一种正极片的制备方法及其锂二次电池 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001039293A2 (en) * | 1999-11-23 | 2001-05-31 | Moltech Corporation | Methods of preparing electrochemical cells |
CN105244470A (zh) * | 2015-09-11 | 2016-01-13 | 合肥国轩高科动力能源有限公司 | 一种高安全锂离子叠片电池正极片及其制备方法 |
KR20160125720A (ko) * | 2015-04-22 | 2016-11-01 | 주식회사 엘지화학 | 이차전지 전극용 절연 조성물 및 전극 탭 상에 절연 조성물이 코팅된 전극 |
CN206250283U (zh) * | 2016-12-02 | 2017-06-13 | 东莞新能源科技有限公司 | 一种阴极极片及电芯 |
CN206806433U (zh) * | 2017-04-10 | 2017-12-26 | 江西安驰新能源科技有限公司 | 一种防止极耳翻褶的锂电池极片 |
CN107681117A (zh) * | 2017-09-19 | 2018-02-09 | 合肥国轩高科动力能源有限公司 | 一种涂有陶瓷浆料的锂离子电池极片及其制备工艺 |
CN108400386A (zh) * | 2018-01-25 | 2018-08-14 | 柔电(武汉)科技有限公司 | 提高弯曲性能的柔性电池的制备方法 |
CN110911637A (zh) * | 2019-12-05 | 2020-03-24 | 东莞塔菲尔新能源科技有限公司 | 一种负极片、其制备方法和锂离子电池 |
CN111180666A (zh) * | 2019-06-28 | 2020-05-19 | 宁德时代新能源科技股份有限公司 | 一种电极极片和电化学装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206250284U (zh) * | 2016-12-02 | 2017-06-13 | 东莞新能源科技有限公司 | 一种阳极极片及其电芯 |
CN210535760U (zh) * | 2019-08-14 | 2020-05-15 | 宁德时代新能源科技股份有限公司 | 电极组件和二次电池 |
CN210200866U (zh) * | 2019-09-04 | 2020-03-27 | 江苏塔菲尔新能源科技股份有限公司 | 一种带条点结合印花极耳的极片及其成型夹具 |
CN111564637A (zh) * | 2020-05-19 | 2020-08-21 | 江苏塔菲尔新能源科技股份有限公司 | 一种极片及其制备方法和锂离子电池 |
CN111640948A (zh) * | 2020-05-26 | 2020-09-08 | 江苏塔菲尔新能源科技股份有限公司 | 一种阳极极片及其制备方法、锂离子电池 |
-
2020
- 2020-05-26 CN CN202010456523.2A patent/CN111640948A/zh active Pending
-
2021
- 2021-04-25 WO PCT/CN2021/089568 patent/WO2021238537A1/zh active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001039293A2 (en) * | 1999-11-23 | 2001-05-31 | Moltech Corporation | Methods of preparing electrochemical cells |
KR20160125720A (ko) * | 2015-04-22 | 2016-11-01 | 주식회사 엘지화학 | 이차전지 전극용 절연 조성물 및 전극 탭 상에 절연 조성물이 코팅된 전극 |
CN105244470A (zh) * | 2015-09-11 | 2016-01-13 | 合肥国轩高科动力能源有限公司 | 一种高安全锂离子叠片电池正极片及其制备方法 |
CN206250283U (zh) * | 2016-12-02 | 2017-06-13 | 东莞新能源科技有限公司 | 一种阴极极片及电芯 |
CN206806433U (zh) * | 2017-04-10 | 2017-12-26 | 江西安驰新能源科技有限公司 | 一种防止极耳翻褶的锂电池极片 |
CN107681117A (zh) * | 2017-09-19 | 2018-02-09 | 合肥国轩高科动力能源有限公司 | 一种涂有陶瓷浆料的锂离子电池极片及其制备工艺 |
CN108400386A (zh) * | 2018-01-25 | 2018-08-14 | 柔电(武汉)科技有限公司 | 提高弯曲性能的柔性电池的制备方法 |
CN111180666A (zh) * | 2019-06-28 | 2020-05-19 | 宁德时代新能源科技股份有限公司 | 一种电极极片和电化学装置 |
CN110911637A (zh) * | 2019-12-05 | 2020-03-24 | 东莞塔菲尔新能源科技有限公司 | 一种负极片、其制备方法和锂离子电池 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021238537A1 (zh) * | 2020-05-26 | 2021-12-02 | 东莞塔菲尔新能源科技有限公司 | 一种阳极极片及其制备方法、锂离子电池 |
CN111916645A (zh) * | 2020-07-01 | 2020-11-10 | 江苏塔菲尔新能源科技股份有限公司 | 极片、极片的制备方法及电池 |
CN111916645B (zh) * | 2020-07-01 | 2021-11-30 | 江苏塔菲尔新能源科技股份有限公司 | 极片、极片的制备方法及电池 |
CN112436102A (zh) * | 2020-11-24 | 2021-03-02 | 珠海冠宇电池股份有限公司 | 极片、电芯及极片夹持组件 |
CN112436102B (zh) * | 2020-11-24 | 2022-02-18 | 珠海冠宇电池股份有限公司 | 极片、电芯及极片夹持组件 |
CN113130838A (zh) * | 2021-03-17 | 2021-07-16 | 惠州锂威新能源科技有限公司 | 一种多极耳电芯极片的制备方法、多极耳电芯极片及多极耳电芯 |
CN115377624A (zh) * | 2021-05-18 | 2022-11-22 | 通用汽车环球科技运作有限责任公司 | 在电化学电池组件上形成边缘材料的方法 |
CN115377624B (zh) * | 2021-05-18 | 2024-05-28 | 通用汽车环球科技运作有限责任公司 | 在电化学电池组件上形成边缘材料的方法 |
CN115000345A (zh) * | 2022-06-27 | 2022-09-02 | 楚能新能源股份有限公司 | 电池极片及其生产方法、包含该极片的电池芯包和电池 |
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Effective date of registration: 20220120 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Applicant after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: 211100 Lantian Road 249, Airport Economic Development Zone, Jiangning District, Nanjing City, Jiangsu Province Applicant before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: Jiangsu Tafel Power System Co.,Ltd. |
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