CN112768644A - 一种利用改性沥青包覆硅碳复合负极材料界面的修饰方法 - Google Patents
一种利用改性沥青包覆硅碳复合负极材料界面的修饰方法 Download PDFInfo
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- CN112768644A CN112768644A CN202010300633.XA CN202010300633A CN112768644A CN 112768644 A CN112768644 A CN 112768644A CN 202010300633 A CN202010300633 A CN 202010300633A CN 112768644 A CN112768644 A CN 112768644A
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- silicon
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- asphalt
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- 239000010426 asphalt Substances 0.000 title claims abstract description 82
- 239000011868 silicon-carbon composite negative electrode material Substances 0.000 title claims abstract description 57
- 239000011248 coating agent Substances 0.000 title claims abstract description 9
- 238000000576 coating method Methods 0.000 title claims abstract description 9
- 238000002715 modification method Methods 0.000 title claims abstract description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000005011 phenolic resin Substances 0.000 claims abstract description 69
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 69
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 22
- 239000010439 graphite Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 10
- 238000000498 ball milling Methods 0.000 claims description 26
- 239000002243 precursor Substances 0.000 claims description 10
- 238000005245 sintering Methods 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000007873 sieving Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000011870 silicon-carbon composite anode material Substances 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 229910021382 natural graphite Inorganic materials 0.000 claims description 2
- 229910052754 neon Inorganic materials 0.000 claims description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 229920005992 thermoplastic resin Polymers 0.000 claims description 2
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 13
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 13
- 230000007547 defect Effects 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 9
- 239000011247 coating layer Substances 0.000 abstract description 9
- 229910052744 lithium Inorganic materials 0.000 abstract description 9
- 238000007599 discharging Methods 0.000 abstract description 7
- 230000004048 modification Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 abstract description 5
- 229910021392 nanocarbon Inorganic materials 0.000 abstract description 5
- 230000002427 irreversible effect Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 230000003111 delayed effect Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 21
- 229910003481 amorphous carbon Inorganic materials 0.000 description 10
- 239000010410 layer Substances 0.000 description 8
- 239000002153 silicon-carbon composite material Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000001069 Raman spectroscopy Methods 0.000 description 7
- 238000003763 carbonization Methods 0.000 description 7
- 229910021384 soft carbon Inorganic materials 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- 238000009830 intercalation Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 150000003384 small molecules Chemical class 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 239000010405 anode material Substances 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 3
- 230000002687 intercalation Effects 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000003917 TEM image Methods 0.000 description 2
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 2
- 238000003421 catalytic decomposition reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000003837 high-temperature calcination Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 238000006462 rearrangement reaction Methods 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004227 thermal cracking Methods 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- ZVLDJSZFKQJMKD-UHFFFAOYSA-N [Li].[Si] Chemical compound [Li].[Si] ZVLDJSZFKQJMKD-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
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
- H01M4/36—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
-
- 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)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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CN202010300633.XA CN112768644A (zh) | 2020-04-16 | 2020-04-16 | 一种利用改性沥青包覆硅碳复合负极材料界面的修饰方法 |
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CN202010300633.XA CN112768644A (zh) | 2020-04-16 | 2020-04-16 | 一种利用改性沥青包覆硅碳复合负极材料界面的修饰方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115000335A (zh) * | 2022-06-17 | 2022-09-02 | 河南自本新能源科技有限公司 | 一种硅碳负极材料及其制备方法和应用 |
CN115558306A (zh) * | 2021-07-02 | 2023-01-03 | 湖南中科星城石墨有限公司 | 一种各向同性沥青材料及其制备方法和应用 |
Citations (11)
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JPH05270938A (ja) * | 1992-03-25 | 1993-10-19 | Sumitomo Metal Ind Ltd | 多孔質炭素材の製造方法 |
JP2005123175A (ja) * | 2003-09-26 | 2005-05-12 | Jfe Chemical Corp | 複合粒子およびその製造方法、リチウムイオン二次電池用負極材料および負極、ならびにリチウムイオン二次電池 |
CN101339987A (zh) * | 2008-07-21 | 2009-01-07 | 长沙市海容电子材料有限公司 | 一种锂离子电池硅碳复合负极材料及其制备方法 |
CN103618073A (zh) * | 2012-12-14 | 2014-03-05 | 深圳市斯诺实业发展有限公司永丰县分公司 | 一种硅碳复合负极材料的制备方法 |
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CN107845810A (zh) * | 2017-10-26 | 2018-03-27 | 深圳市斯诺实业发展股份有限公司 | 一种锂离子电池软硬碳改性负极材料的制备方法 |
CN109713294A (zh) * | 2018-12-12 | 2019-05-03 | 郑州中科新兴产业技术研究院 | 一种锂离子电池氧化亚硅基负极材料及其制备方法 |
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2020
- 2020-04-16 CN CN202010300633.XA patent/CN112768644A/zh active Pending
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JPH05270938A (ja) * | 1992-03-25 | 1993-10-19 | Sumitomo Metal Ind Ltd | 多孔質炭素材の製造方法 |
JP2005123175A (ja) * | 2003-09-26 | 2005-05-12 | Jfe Chemical Corp | 複合粒子およびその製造方法、リチウムイオン二次電池用負極材料および負極、ならびにリチウムイオン二次電池 |
CN101339987A (zh) * | 2008-07-21 | 2009-01-07 | 长沙市海容电子材料有限公司 | 一种锂离子电池硅碳复合负极材料及其制备方法 |
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CN105161671A (zh) * | 2015-08-07 | 2015-12-16 | 田东 | 一种锡碳复合负极材料的制备方法 |
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CN109713294A (zh) * | 2018-12-12 | 2019-05-03 | 郑州中科新兴产业技术研究院 | 一种锂离子电池氧化亚硅基负极材料及其制备方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115558306A (zh) * | 2021-07-02 | 2023-01-03 | 湖南中科星城石墨有限公司 | 一种各向同性沥青材料及其制备方法和应用 |
CN115558306B (zh) * | 2021-07-02 | 2023-10-17 | 湖南中科星城石墨有限公司 | 一种各向同性沥青材料及其制备方法和应用 |
CN115000335A (zh) * | 2022-06-17 | 2022-09-02 | 河南自本新能源科技有限公司 | 一种硅碳负极材料及其制备方法和应用 |
CN115000335B (zh) * | 2022-06-17 | 2024-03-26 | 河南自本新能源科技有限公司 | 一种硅碳负极材料及其制备方法和应用 |
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Application publication date: 20210507 |