CN110518253A - 一种锂电池负极集流体及其制备方法 - Google Patents
一种锂电池负极集流体及其制备方法 Download PDFInfo
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- CN110518253A CN110518253A CN201910818935.3A CN201910818935A CN110518253A CN 110518253 A CN110518253 A CN 110518253A CN 201910818935 A CN201910818935 A CN 201910818935A CN 110518253 A CN110518253 A CN 110518253A
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- cathode
- dopamine
- lithium battery
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims abstract description 96
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 86
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 60
- 239000007983 Tris buffer Substances 0.000 claims abstract description 49
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229960003638 dopamine Drugs 0.000 claims abstract description 48
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000011889 copper foil Substances 0.000 claims abstract description 40
- 229920002873 Polyethylenimine Polymers 0.000 claims abstract description 37
- 238000000576 coating method Methods 0.000 claims abstract description 35
- 239000011248 coating agent Substances 0.000 claims abstract description 31
- 229920001690 polydopamine Polymers 0.000 claims abstract description 26
- 229920000642 polymer Polymers 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 230000004048 modification Effects 0.000 claims abstract description 17
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- 238000005119 centrifugation Methods 0.000 claims description 10
- 239000002041 carbon nanotube Substances 0.000 claims description 8
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 239000006230 acetylene black Substances 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 6
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- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 238000003618 dip coating Methods 0.000 claims description 5
- 229910021389 graphene Inorganic materials 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 5
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- 235000009854 Cucurbita moschata Nutrition 0.000 claims description 4
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- 238000005507 spraying Methods 0.000 claims description 4
- 235000020354 squash Nutrition 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052710 silicon Inorganic materials 0.000 abstract description 6
- 239000010703 silicon Substances 0.000 abstract description 6
- 239000011149 active material Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000003575 carbonaceous material Substances 0.000 abstract description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract description 2
- 230000002776 aggregation Effects 0.000 abstract 1
- 238000004220 aggregation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 17
- 230000006872 improvement Effects 0.000 description 8
- WTDRDQBEARUVNC-UHFFFAOYSA-N L-Dopa Natural products OC(=O)C(N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-UHFFFAOYSA-N 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 229960004502 levodopa Drugs 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 3
- -1 DOPA Amine Chemical class 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- MHUWZNTUIIFHAS-CLFAGFIQSA-N dioleoyl phosphatidic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(COP(O)(O)=O)OC(=O)CCCCCCC\C=C/CCCCCCCC MHUWZNTUIIFHAS-CLFAGFIQSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 2
- 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 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 239000006257 cathode slurry Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000002109 single walled nanotube Substances 0.000 description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011267 electrode slurry Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
-
- 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
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
-
- 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
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- 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
- H01M4/663—Selection of materials containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres
-
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/668—Composites of electroconductive material and synthetic resins
-
- 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)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
Description
编号 | 剥离强度(N/m) | 电阻率(mΩ·cm) | 1C放电容(mAh) | 1C 300周容量保持率(%) |
实施例1 | 22.8 | 16.3 | 9581 | 90.4 |
实施例2 | 21.9 | 17.2 | 9533 | 89.4 |
实施例3 | 21.3 | 17.7 | 9479 | 88.1 |
对比例1 | 19.2 | 19.6 | 9414 | 84.2 |
对比例2 | 20.5 | 18.2 | 9444 | 86.3 |
Claims (10)
Priority Applications (1)
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CN201910818935.3A CN110518253B (zh) | 2019-08-30 | 2019-08-30 | 一种锂电池负极集流体及其制备方法 |
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CN201910818935.3A CN110518253B (zh) | 2019-08-30 | 2019-08-30 | 一种锂电池负极集流体及其制备方法 |
Publications (2)
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CN110518253A true CN110518253A (zh) | 2019-11-29 |
CN110518253B CN110518253B (zh) | 2021-01-26 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111534243A (zh) * | 2020-05-08 | 2020-08-14 | 安徽格林开思茂光电科技股份有限公司 | 一种锂电池用涂碳铝箔导电胶带及其制备方法 |
CN112310403A (zh) * | 2021-01-04 | 2021-02-02 | 清陶(昆山)能源发展有限公司 | 一种锂离子电池硅基负极及其制备方法、应用 |
CN113328088A (zh) * | 2021-05-17 | 2021-08-31 | 湘潭大学 | 一种实现电极材料表面改性的可控方法 |
CN113422104A (zh) * | 2021-06-22 | 2021-09-21 | 天目湖先进储能技术研究院有限公司 | 一种可放电至零伏的植入式锂离子电池 |
CN113937269A (zh) * | 2021-10-13 | 2022-01-14 | 福州大学 | 一种银颗粒涂层修饰的三维多孔铜集流体-锂负极一体结构及其制备方法和应用 |
CN114597407A (zh) * | 2020-12-07 | 2022-06-07 | 中国科学院大连化学物理研究所 | 一种锌负极及其制备方法和应用 |
CN116454287A (zh) * | 2023-06-16 | 2023-07-18 | 广州纳诺新材料技术有限公司 | 一种高循环性能锂电池、集流体及其制备方法 |
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CN106711452A (zh) * | 2015-11-13 | 2017-05-24 | 中原大学 | 石墨烯复合材料及其制备方法 |
CN107286757A (zh) * | 2017-07-11 | 2017-10-24 | 佛山市中技烯米新材料有限公司 | 一种涂布液、集电体及其制备方法 |
CN107546391A (zh) * | 2017-07-14 | 2018-01-05 | 中国第汽车股份有限公司 | 聚多巴胺及石墨烯复合涂层 |
KR20180015707A (ko) * | 2018-02-06 | 2018-02-13 | 한밭대학교 산학협력단 | 도파민계 중합체가 코팅된 입자, 이를 포함하는 입자층, 이를 포함하는 전극 및 이들의 제조 방법 |
CN109817946A (zh) * | 2019-03-01 | 2019-05-28 | 湖北锂诺新能源科技有限公司 | 多层硅负极材料及其制备方法与锂离子电池 |
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2019
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CN106711452A (zh) * | 2015-11-13 | 2017-05-24 | 中原大学 | 石墨烯复合材料及其制备方法 |
CN107286757A (zh) * | 2017-07-11 | 2017-10-24 | 佛山市中技烯米新材料有限公司 | 一种涂布液、集电体及其制备方法 |
CN107546391A (zh) * | 2017-07-14 | 2018-01-05 | 中国第汽车股份有限公司 | 聚多巴胺及石墨烯复合涂层 |
KR20180015707A (ko) * | 2018-02-06 | 2018-02-13 | 한밭대학교 산학협력단 | 도파민계 중합체가 코팅된 입자, 이를 포함하는 입자층, 이를 포함하는 전극 및 이들의 제조 방법 |
CN109817946A (zh) * | 2019-03-01 | 2019-05-28 | 湖北锂诺新能源科技有限公司 | 多层硅负极材料及其制备方法与锂离子电池 |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111534243A (zh) * | 2020-05-08 | 2020-08-14 | 安徽格林开思茂光电科技股份有限公司 | 一种锂电池用涂碳铝箔导电胶带及其制备方法 |
CN114597407A (zh) * | 2020-12-07 | 2022-06-07 | 中国科学院大连化学物理研究所 | 一种锌负极及其制备方法和应用 |
CN114597407B (zh) * | 2020-12-07 | 2024-03-19 | 中国科学院大连化学物理研究所 | 一种锌负极及其制备方法和应用 |
CN112310403A (zh) * | 2021-01-04 | 2021-02-02 | 清陶(昆山)能源发展有限公司 | 一种锂离子电池硅基负极及其制备方法、应用 |
CN112310403B (zh) * | 2021-01-04 | 2021-04-06 | 清陶(昆山)能源发展有限公司 | 一种锂离子电池硅基负极及其制备方法、应用 |
CN113328088A (zh) * | 2021-05-17 | 2021-08-31 | 湘潭大学 | 一种实现电极材料表面改性的可控方法 |
CN113422104A (zh) * | 2021-06-22 | 2021-09-21 | 天目湖先进储能技术研究院有限公司 | 一种可放电至零伏的植入式锂离子电池 |
CN113422104B (zh) * | 2021-06-22 | 2022-06-17 | 天目湖先进储能技术研究院有限公司 | 一种可放电至零伏的植入式锂离子电池 |
CN113937269A (zh) * | 2021-10-13 | 2022-01-14 | 福州大学 | 一种银颗粒涂层修饰的三维多孔铜集流体-锂负极一体结构及其制备方法和应用 |
CN113937269B (zh) * | 2021-10-13 | 2023-09-01 | 福州大学 | 一种银颗粒涂层修饰的三维多孔铜集流体-锂负极一体结构及其制备方法和应用 |
CN116454287A (zh) * | 2023-06-16 | 2023-07-18 | 广州纳诺新材料技术有限公司 | 一种高循环性能锂电池、集流体及其制备方法 |
CN116454287B (zh) * | 2023-06-16 | 2023-08-25 | 广州纳诺新材料技术有限公司 | 一种高循环性能锂电池、集流体及其制备方法 |
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