CN111960421B - 一种包覆型碳硅负极材料的制备方法 - Google Patents
一种包覆型碳硅负极材料的制备方法 Download PDFInfo
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- CN111960421B CN111960421B CN202010877236.9A CN202010877236A CN111960421B CN 111960421 B CN111960421 B CN 111960421B CN 202010877236 A CN202010877236 A CN 202010877236A CN 111960421 B CN111960421 B CN 111960421B
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- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000007773 negative electrode material Substances 0.000 title claims description 36
- 239000011812 mixed powder Substances 0.000 claims abstract description 57
- 239000002245 particle Substances 0.000 claims abstract description 49
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 36
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 36
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 36
- 238000000498 ball milling Methods 0.000 claims abstract description 33
- 239000011856 silicon-based particle Substances 0.000 claims abstract description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 27
- 239000010703 silicon Substances 0.000 claims abstract description 27
- 239000010406 cathode material Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000006479 redox reaction Methods 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000003570 air Substances 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 25
- 229910052799 carbon Inorganic materials 0.000 abstract description 25
- 238000004200 deflagration Methods 0.000 abstract description 12
- 239000006185 dispersion Substances 0.000 abstract description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 10
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 10
- 239000010405 anode material Substances 0.000 abstract description 9
- 239000011859 microparticle Substances 0.000 abstract description 4
- 239000000376 reactant Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 238000003801 milling Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- QZOVMCPHIQVUGV-UHFFFAOYSA-N [Si].[C].[Si] Chemical compound [Si].[C].[Si] QZOVMCPHIQVUGV-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- 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
- H01M4/62—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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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CN202010877236.9A CN111960421B (zh) | 2020-08-27 | 2020-08-27 | 一种包覆型碳硅负极材料的制备方法 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1738081A (zh) * | 2005-06-22 | 2006-02-22 | 浙江大学 | 一种锂离子电池的复合负极材料及其制备方法 |
CN1913200A (zh) * | 2006-08-22 | 2007-02-14 | 深圳市贝特瑞电子材料有限公司 | 锂离子电池硅碳复合负极材料及其制备方法 |
CN110299519A (zh) * | 2019-06-18 | 2019-10-01 | 金雪莉 | 一种晶体硅/氧硅/碳包覆复合负极材料及其制备方法 |
CN110970611A (zh) * | 2019-12-23 | 2020-04-07 | 北京理工大学重庆创新中心 | 一种分级结构硅碳复合材料及其制备方法和应用 |
CN111048764A (zh) * | 2019-12-23 | 2020-04-21 | 北京理工大学重庆创新中心 | 一种硅碳复合材料及其制备方法和应用 |
CN111146430A (zh) * | 2020-02-10 | 2020-05-12 | 马鞍山科达普锐能源科技有限公司 | 一种锂离子电池用多孔核壳结构硅碳负极材料的及其制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102299306B (zh) * | 2011-07-15 | 2015-01-21 | 中国科学院广州能源研究所 | 聚(3,4-乙撑二氧噻吩)包覆及其为碳源的纳米硅复合锂离子电池负极材料及其制备方法 |
-
2020
- 2020-08-27 CN CN202010877236.9A patent/CN111960421B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1738081A (zh) * | 2005-06-22 | 2006-02-22 | 浙江大学 | 一种锂离子电池的复合负极材料及其制备方法 |
CN1913200A (zh) * | 2006-08-22 | 2007-02-14 | 深圳市贝特瑞电子材料有限公司 | 锂离子电池硅碳复合负极材料及其制备方法 |
CN110299519A (zh) * | 2019-06-18 | 2019-10-01 | 金雪莉 | 一种晶体硅/氧硅/碳包覆复合负极材料及其制备方法 |
CN110970611A (zh) * | 2019-12-23 | 2020-04-07 | 北京理工大学重庆创新中心 | 一种分级结构硅碳复合材料及其制备方法和应用 |
CN111048764A (zh) * | 2019-12-23 | 2020-04-21 | 北京理工大学重庆创新中心 | 一种硅碳复合材料及其制备方法和应用 |
CN111146430A (zh) * | 2020-02-10 | 2020-05-12 | 马鞍山科达普锐能源科技有限公司 | 一种锂离子电池用多孔核壳结构硅碳负极材料的及其制备方法 |
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Effective date of registration: 20230925 Address after: No. 601, 6th Floor, Building D2-C, Science and Technology Innovation Center, No. 7 Shaping Road, Guoxing Avenue, Lingang Economic and Technological Development Zone, Yibin City, Sichuan Province, 644100 Patentee after: Sichuan new energy automobile Innovation Center Co.,Ltd. Address before: 100081 No. 5 South Main Street, Haidian District, Beijing, Zhongguancun Patentee before: BEIJING INSTITUTE OF TECHNOLOGY |
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Effective date of registration: 20231116 Address after: 644000, No.1 Guiyuan Road, Nanxi Economic Development Zone, Yibin City, Sichuan Province, China Patentee after: Sichuan Huayiqing Innovative Materials Technology Co.,Ltd. Address before: No. 601, 6th Floor, Building D2-C, Science and Technology Innovation Center, No. 7 Shaping Road, Guoxing Avenue, Lingang Economic and Technological Development Zone, Yibin City, Sichuan Province, 644100 Patentee before: Sichuan new energy automobile Innovation Center Co.,Ltd. |