CN110828815A - 一种锂电池负极材料及其制备方法 - Google Patents
一种锂电池负极材料及其制备方法 Download PDFInfo
- Publication number
- CN110828815A CN110828815A CN201911106715.4A CN201911106715A CN110828815A CN 110828815 A CN110828815 A CN 110828815A CN 201911106715 A CN201911106715 A CN 201911106715A CN 110828815 A CN110828815 A CN 110828815A
- Authority
- CN
- China
- Prior art keywords
- lithium
- lithium battery
- negative electrode
- electrode material
- carbon nano
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 75
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000007773 negative electrode material Substances 0.000 title claims description 35
- 239000010406 cathode material Substances 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 47
- 239000011149 active material Substances 0.000 claims description 40
- 239000002041 carbon nanotube Substances 0.000 claims description 36
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 32
- 239000002243 precursor Substances 0.000 claims description 32
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 22
- 238000001035 drying Methods 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 20
- 239000002244 precipitate Substances 0.000 claims description 19
- 238000009830 intercalation Methods 0.000 claims description 18
- 230000002687 intercalation Effects 0.000 claims description 18
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 16
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 16
- 239000008367 deionised water Substances 0.000 claims description 15
- 229910021641 deionized water Inorganic materials 0.000 claims description 15
- -1 polytetrafluoroethylene Polymers 0.000 claims description 15
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 15
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- 239000008103 glucose Substances 0.000 claims description 12
- 239000002109 single walled nanotube Substances 0.000 claims description 12
- 238000001354 calcination Methods 0.000 claims description 11
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 10
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 239000011780 sodium chloride Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000012266 salt solution Substances 0.000 claims description 7
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 12
- 229910001416 lithium ion Inorganic materials 0.000 description 12
- 239000007864 aqueous solution Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/003—Titanates
-
- 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
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
- H01M4/623—Binders being polymers fluorinated polymers
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911106715.4A CN110828815A (zh) | 2019-11-13 | 2019-11-13 | 一种锂电池负极材料及其制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911106715.4A CN110828815A (zh) | 2019-11-13 | 2019-11-13 | 一种锂电池负极材料及其制备方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110828815A true CN110828815A (zh) | 2020-02-21 |
Family
ID=69554586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911106715.4A Pending CN110828815A (zh) | 2019-11-13 | 2019-11-13 | 一种锂电池负极材料及其制备方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110828815A (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022103140A (ja) * | 2020-12-25 | 2022-07-07 | ダイキン工業株式会社 | 単層カーボンナノチューブとptfeとを複合した結着剤並びにそれを用いた電極作製用組成物及び二次電池 |
| CN115347149A (zh) * | 2021-05-12 | 2022-11-15 | 中国科学院物理研究所 | 超分散纳米复合导电粘结剂及其制备方法和应用 |
| WO2024026702A1 (zh) * | 2022-08-03 | 2024-02-08 | 宁德时代新能源科技股份有限公司 | 负极极片及其制备方法、二次电池、电池模块、电池包及用电装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227016A (zh) * | 2008-02-02 | 2008-07-23 | 深圳市贝特瑞新能源材料股份有限公司 | 锂离子动力电池 |
| US20160218355A1 (en) * | 2015-01-27 | 2016-07-28 | Dongfang Electric Corporation | Method for Preparing Carbon-Coated Lithium Titanate |
| CN109037632A (zh) * | 2018-07-27 | 2018-12-18 | 深圳市比克动力电池有限公司 | 一种纳米钛酸锂复合材料及其制备方法、锂离子电池 |
| CN109244415A (zh) * | 2018-09-29 | 2019-01-18 | 北京泰丰先行新能源科技有限公司 | 一种球形碳包覆钛酸盐复合负极材料的制备方法 |
-
2019
- 2019-11-13 CN CN201911106715.4A patent/CN110828815A/zh active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227016A (zh) * | 2008-02-02 | 2008-07-23 | 深圳市贝特瑞新能源材料股份有限公司 | 锂离子动力电池 |
| US20160218355A1 (en) * | 2015-01-27 | 2016-07-28 | Dongfang Electric Corporation | Method for Preparing Carbon-Coated Lithium Titanate |
| CN109037632A (zh) * | 2018-07-27 | 2018-12-18 | 深圳市比克动力电池有限公司 | 一种纳米钛酸锂复合材料及其制备方法、锂离子电池 |
| CN109244415A (zh) * | 2018-09-29 | 2019-01-18 | 北京泰丰先行新能源科技有限公司 | 一种球形碳包覆钛酸盐复合负极材料的制备方法 |
Non-Patent Citations (2)
| Title |
|---|
| HAIFANG NI等: "Double carbon decorated lithium titanate as anode material with high rate performance for lithium-ion batteries", 《PROGRESS IN NATURAL SCIENCE: MATERIALS INTERNATIONAL》 * |
| WENLING JIAO等: "Preparation of Carbon Nanotube Coated Li4Ti5O12 Nanosheets Heterostructure as Ultrastable Anodes for Lithium-Ion Batteries", 《ACS APPL. ENERGY MATER.》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022103140A (ja) * | 2020-12-25 | 2022-07-07 | ダイキン工業株式会社 | 単層カーボンナノチューブとptfeとを複合した結着剤並びにそれを用いた電極作製用組成物及び二次電池 |
| JP7350049B2 (ja) | 2020-12-25 | 2023-09-25 | ダイキン工業株式会社 | 単層カーボンナノチューブとptfeとを複合した結着剤並びにそれを用いた電極作製用組成物及び二次電池 |
| EP4269361A4 (en) * | 2020-12-25 | 2025-05-07 | Daikin Industries, Ltd. | Binder made of single-walled carbon nanotubes and PTFE, and composition for electrode production and secondary battery therewith |
| CN115347149A (zh) * | 2021-05-12 | 2022-11-15 | 中国科学院物理研究所 | 超分散纳米复合导电粘结剂及其制备方法和应用 |
| WO2024026702A1 (zh) * | 2022-08-03 | 2024-02-08 | 宁德时代新能源科技股份有限公司 | 负极极片及其制备方法、二次电池、电池模块、电池包及用电装置 |
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Effective date of registration: 20221221 Address after: 257200 Hekou Blue Economic Development Zone, Dongying City, Shandong Province (east of Caoqiaogou, south of Mingyuan Road) Applicant after: Shandong caike New Material Co.,Ltd. Applicant after: Cangzhou Caike New Energy Co.,Ltd. Address before: 061000 East of Dazhang Section of 104 National Highway, Dongguang County, Cangzhou City, Hebei Province Applicant before: HEBEI CAIKE CHEMICAL Co.,Ltd. |
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