CN110854367A - 一种硅碳负极材料浆料及其制备方法 - Google Patents
一种硅碳负极材料浆料及其制备方法 Download PDFInfo
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- CN110854367A CN110854367A CN201911150321.9A CN201911150321A CN110854367A CN 110854367 A CN110854367 A CN 110854367A CN 201911150321 A CN201911150321 A CN 201911150321A CN 110854367 A CN110854367 A CN 110854367A
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- 239000002002 slurry Substances 0.000 title claims abstract description 140
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000010405 anode material Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000007613 slurry method Methods 0.000 title description 2
- 239000003292 glue Substances 0.000 claims abstract description 51
- 239000002245 particle Substances 0.000 claims abstract description 50
- 239000006258 conductive agent Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000007770 graphite material Substances 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 23
- 239000011230 binding agent Substances 0.000 claims abstract description 16
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 41
- 229910002804 graphite Inorganic materials 0.000 claims description 27
- 239000010439 graphite Substances 0.000 claims description 27
- 239000007787 solid Substances 0.000 claims description 27
- 238000009736 wetting Methods 0.000 claims description 21
- 239000007773 negative electrode material Substances 0.000 claims description 12
- 239000011258 core-shell material Substances 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims description 10
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 6
- 239000002041 carbon nanotube Substances 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 229910021389 graphene Inorganic materials 0.000 claims description 5
- 239000003273 ketjen black Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000006245 Carbon black Super-P Substances 0.000 claims description 3
- 239000006230 acetylene black Substances 0.000 claims description 3
- 238000007873 sieving Methods 0.000 abstract description 8
- 238000004537 pulping Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000005054 agglomeration Methods 0.000 abstract description 4
- 230000002776 aggregation Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 50
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 32
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 32
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 32
- 239000008367 deionised water Substances 0.000 description 21
- 229910021641 deionized water Inorganic materials 0.000 description 21
- 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 description 18
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 18
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 12
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- 239000000853 adhesive Substances 0.000 description 3
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- 239000010406 cathode material Substances 0.000 description 3
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- 239000000203 mixture Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000007581 slurry coating method Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000005543 nano-size silicon particle Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000006256 anode slurry Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- 238000011056 performance test Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011856 silicon-based particle Substances 0.000 description 1
- 239000002153 silicon-carbon composite material Substances 0.000 description 1
Images
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
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- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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CN201911150321.9A CN110854367B (zh) | 2019-11-21 | 2019-11-21 | 一种硅碳负极材料浆料及其制备方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111430673A (zh) * | 2020-04-09 | 2020-07-17 | 盛蕾 | 一种负极的制备方法 |
CN111470486A (zh) * | 2020-04-14 | 2020-07-31 | 陕西煤业化工技术研究院有限责任公司 | 一种三维硅碳复合负极材料及其制备方法和在锂离子电池中的应用 |
WO2021189211A1 (zh) * | 2020-03-23 | 2021-09-30 | 宁德新能源科技有限公司 | 一种负极复合材料及其应用 |
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WO2008025188A1 (en) * | 2006-08-22 | 2008-03-06 | Btr Energy Materials Co., Ltd. | A silicon-carbon composite negative material for lithium ion battery and the preparation method of the same |
US20130108776A1 (en) * | 2011-10-12 | 2013-05-02 | Ut-Battelle, Llc | Aqueous processing of composite lithium ion electrode material |
JP2014007120A (ja) * | 2012-06-27 | 2014-01-16 | Sanyo Electric Co Ltd | リチウム二次電池用負極、その製造方法及びリチウム二次電池 |
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CN108461804A (zh) * | 2018-01-31 | 2018-08-28 | 深圳市卓能新能源股份有限公司 | 一种18650-3800mAh锂电池及其制备方法 |
CN109428121A (zh) * | 2017-08-21 | 2019-03-05 | 江苏津谊新能源科技有限公司 | 一种高比能量锂离子动力电池的制造方法 |
CN109802097A (zh) * | 2019-01-30 | 2019-05-24 | 郑州比克电池有限公司 | 一种高容量圆柱18650锂离子电池负极匀浆搅拌工艺 |
CN109817985A (zh) * | 2019-03-25 | 2019-05-28 | 福建冠城瑞闽新能源科技有限公司 | 一种锂离子电池负极浆料稳定剂及其制备方法、应用 |
CN109830658A (zh) * | 2019-01-15 | 2019-05-31 | 中兴高能技术有限责任公司 | 一种负极浆料、其制备方法和锂离子电池 |
CN109860538A (zh) * | 2018-12-20 | 2019-06-07 | 天津市捷威动力工业有限公司 | 一种锂电池硅碳负极浆料及其制备方法、锂离子电池 |
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2019
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JP2001143698A (ja) * | 1999-11-16 | 2001-05-25 | Mitsubishi Chemicals Corp | 非水系リチウム二次電池用負極材並びにこれを用いた非水系リチウム二次電池 |
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JP2014007120A (ja) * | 2012-06-27 | 2014-01-16 | Sanyo Electric Co Ltd | リチウム二次電池用負極、その製造方法及びリチウム二次電池 |
CN105932229A (zh) * | 2014-01-28 | 2016-09-07 | 泉州劲鑫电子有限公司 | 一种高容量锂离子电池负极片的制备方法 |
CN105514497A (zh) * | 2015-01-21 | 2016-04-20 | 万向A一二三系统有限公司 | 一种高效率锂离子电池及其制作方法 |
CN106025221A (zh) * | 2016-06-24 | 2016-10-12 | 广东省稀有金属研究所 | 一种硅/碳/石墨复合负极材料的制备方法 |
CN106450169A (zh) * | 2016-08-31 | 2017-02-22 | 湖北宇电能源科技股份有限公司 | 一种安全锂离子电池负极片的制造方法 |
CN106159266A (zh) * | 2016-08-31 | 2016-11-23 | 合肥国轩高科动力能源有限公司 | 一种降低锂离子电池膨胀的负极浆料制备方法 |
CN107528044A (zh) * | 2017-07-25 | 2017-12-29 | 深圳市沃特玛电池有限公司 | 一种锂离子电池负极极片及其制备方法 |
CN109428121A (zh) * | 2017-08-21 | 2019-03-05 | 江苏津谊新能源科技有限公司 | 一种高比能量锂离子动力电池的制造方法 |
CN108400375A (zh) * | 2018-01-31 | 2018-08-14 | 深圳市卓能新能源股份有限公司 | 一种21700高能量锂离子电池及其制备方法 |
CN108417822A (zh) * | 2018-01-31 | 2018-08-17 | 深圳市卓能新能源股份有限公司 | 一种21700锂离子电池及其制备方法 |
CN108461804A (zh) * | 2018-01-31 | 2018-08-28 | 深圳市卓能新能源股份有限公司 | 一种18650-3800mAh锂电池及其制备方法 |
CN109860538A (zh) * | 2018-12-20 | 2019-06-07 | 天津市捷威动力工业有限公司 | 一种锂电池硅碳负极浆料及其制备方法、锂离子电池 |
CN109830658A (zh) * | 2019-01-15 | 2019-05-31 | 中兴高能技术有限责任公司 | 一种负极浆料、其制备方法和锂离子电池 |
CN109802097A (zh) * | 2019-01-30 | 2019-05-24 | 郑州比克电池有限公司 | 一种高容量圆柱18650锂离子电池负极匀浆搅拌工艺 |
CN109817985A (zh) * | 2019-03-25 | 2019-05-28 | 福建冠城瑞闽新能源科技有限公司 | 一种锂离子电池负极浆料稳定剂及其制备方法、应用 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021189211A1 (zh) * | 2020-03-23 | 2021-09-30 | 宁德新能源科技有限公司 | 一种负极复合材料及其应用 |
CN111430673A (zh) * | 2020-04-09 | 2020-07-17 | 盛蕾 | 一种负极的制备方法 |
CN111470486A (zh) * | 2020-04-14 | 2020-07-31 | 陕西煤业化工技术研究院有限责任公司 | 一种三维硅碳复合负极材料及其制备方法和在锂离子电池中的应用 |
CN111470486B (zh) * | 2020-04-14 | 2022-01-25 | 陕西煤业化工技术研究院有限责任公司 | 一种三维硅碳复合负极材料及其制备方法和在锂离子电池中的应用 |
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Effective date of registration: 20240207 Address after: 710061 3rd Floor, No. 88 Aerospace East Road, National Civil Aerospace Industry Base, Xi'an City, Shaanxi Province Patentee after: Shaanxi Qingke Energy Technology Co.,Ltd. Country or region after: China Address before: 710077 Shaanxi Coal Industry Chemical Group Co., Ltd. No. 2 Jinye Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: SHAANXI COAL AND CHEMICAL TECHNOLOGY INSTITUTE Co.,Ltd. Country or region before: China |
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