CN112701267B - 预锂化硅氧复合材料、负极极片、锂电池及其制备方法 - Google Patents
预锂化硅氧复合材料、负极极片、锂电池及其制备方法 Download PDFInfo
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- CN112701267B CN112701267B CN202011615039.6A CN202011615039A CN112701267B CN 112701267 B CN112701267 B CN 112701267B CN 202011615039 A CN202011615039 A CN 202011615039A CN 112701267 B CN112701267 B CN 112701267B
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- composite material
- lithium
- sio
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 194
- 239000002131 composite material Substances 0.000 title claims abstract description 96
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 95
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 82
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 61
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 52
- -1 hydroxyl compound Chemical class 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 18
- 150000002900 organolithium compounds Chemical class 0.000 claims abstract description 14
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims description 30
- 229910052760 oxygen Inorganic materials 0.000 claims description 30
- 238000010521 absorption reaction Methods 0.000 claims description 25
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 18
- 229910001556 Li2Si2O5 Inorganic materials 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 16
- 229910007562 Li2SiO3 Inorganic materials 0.000 claims description 14
- 238000005229 chemical vapour deposition Methods 0.000 claims description 13
- 229910020489 SiO3 Inorganic materials 0.000 claims description 11
- 229920001296 polysiloxane Polymers 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 238000002441 X-ray diffraction Methods 0.000 claims description 6
- 239000011258 core-shell material Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 5
- 239000006258 conductive agent Substances 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 4
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- NHKJPPKXDNZFBJ-UHFFFAOYSA-N phenyllithium Chemical compound [Li]C1=CC=CC=C1 NHKJPPKXDNZFBJ-UHFFFAOYSA-N 0.000 claims description 4
- 150000002440 hydroxy compounds Chemical class 0.000 claims description 3
- 150000002642 lithium compounds Chemical class 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 229910002483 Cu Ka Inorganic materials 0.000 claims description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 2
- 239000012300 argon atmosphere Substances 0.000 claims description 2
- BLHLJVCOVBYQQS-UHFFFAOYSA-N ethyllithium Chemical compound [Li]CC BLHLJVCOVBYQQS-UHFFFAOYSA-N 0.000 claims description 2
- DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 10
- 238000005253 cladding Methods 0.000 claims 1
- 238000011534 incubation Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 22
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052912 lithium silicate Inorganic materials 0.000 abstract description 17
- 239000002002 slurry Substances 0.000 abstract description 15
- 239000010410 layer Substances 0.000 description 37
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 13
- 238000003756 stirring Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 238000000265 homogenisation Methods 0.000 description 7
- 238000009830 intercalation Methods 0.000 description 7
- 230000002687 intercalation Effects 0.000 description 7
- 239000007773 negative electrode material Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000011267 electrode slurry Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 2
- 239000007810 chemical reaction solvent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 229910052909 inorganic silicate Inorganic materials 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000012430 stability testing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000007740 vapor deposition Methods 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- 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 Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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CN202011615039.6A CN112701267B (zh) | 2020-12-30 | 2020-12-30 | 预锂化硅氧复合材料、负极极片、锂电池及其制备方法 |
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CN114050269A (zh) * | 2021-11-29 | 2022-02-15 | 上海兰钧新能源科技有限公司 | 一种负极材料及其制备方法和应用 |
CN113871606A (zh) * | 2021-12-02 | 2021-12-31 | 北京胜能能源科技有限公司 | 一种硅氧负极材料及其制备方法和应用 |
CN114388738B (zh) * | 2021-12-29 | 2024-01-02 | 湖北亿纬动力有限公司 | 一种硅基负极材料及其制备方法和应用 |
CN114613961A (zh) * | 2022-03-15 | 2022-06-10 | 宁波杉杉新材料科技有限公司 | 改性预锂化硅氧材料及其制备方法、应用、负极极片、锂离子电池 |
WO2023216940A1 (zh) * | 2022-05-07 | 2023-11-16 | 四川物科金硅新材料科技有限责任公司 | 一种掺杂氧硅材料及其制备方法和应用 |
WO2024050813A1 (zh) * | 2022-09-09 | 2024-03-14 | 宁德新能源科技有限公司 | 一种负极极片、包含该负极极片的电化学装置及电子装置 |
CN115621534B (zh) * | 2022-12-16 | 2023-04-07 | 宁德新能源科技有限公司 | 一种电化学装置和电子装置 |
CN116425170B (zh) * | 2023-06-13 | 2023-10-03 | 北京壹金新能源科技有限公司 | 预锂化结构稳定的硅基复合材料及其制备方法、应用 |
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CN111900366A (zh) * | 2020-07-02 | 2020-11-06 | 有研资源环境技术研究院(北京)有限公司 | 一种含锂SiOx粉体的制备方法 |
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KR101902071B1 (ko) * | 2015-10-26 | 2018-11-02 | 주식회사 엘지화학 | 음극 활물질 입자 및 이의 제조방법 |
PL3507845T3 (pl) * | 2016-09-02 | 2021-07-19 | Eocell Limited | Materiał kompozytowy krzem-tlenek krzemu-lit z kompensacją zmiany objętości mający nanocząstki krzemu wbudowane w matrycę kompozytową krzem: krzemianu litu i cykliczne procesy produkcyjne ex-situ |
CN107394161A (zh) * | 2017-07-24 | 2017-11-24 | 北京大学 | 复合硅基电极材料、制备方法及其应用 |
EP3675250B1 (en) * | 2017-12-08 | 2024-01-31 | LG Energy Solution, Ltd. | Negative electrode active material for lithium secondary battery and method for preparing the same |
CN108461723B (zh) * | 2018-02-11 | 2020-08-18 | 安普瑞斯(南京)有限公司 | 一种用于锂离子电池的硅基复合材料及其制备方法 |
JP7186099B2 (ja) * | 2019-01-15 | 2022-12-08 | 信越化学工業株式会社 | 非水電解質二次電池用負極活物質及びその製造方法 |
CN110556529B (zh) * | 2019-10-15 | 2023-03-14 | 溧阳天目先导电池材料科技有限公司 | 具有多层核壳结构的负极复合材料及其制备方法和应用 |
WO2021134199A1 (zh) * | 2019-12-30 | 2021-07-08 | 上海杉杉科技有限公司 | 用于二次电池的硅基负极材料及其制备方法,二次电池 |
CN111554911A (zh) * | 2020-05-19 | 2020-08-18 | 溧阳天目先导电池材料科技有限公司 | 锂含量梯度分布的锂电池负极材料及制备方法和锂电池 |
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CN111900366A (zh) * | 2020-07-02 | 2020-11-06 | 有研资源环境技术研究院(北京)有限公司 | 一种含锂SiOx粉体的制备方法 |
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