CN114464790B - 一种预锂化硅氧复合材料、制备方法和应用 - Google Patents
一种预锂化硅氧复合材料、制备方法和应用 Download PDFInfo
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- CN114464790B CN114464790B CN202210087847.2A CN202210087847A CN114464790B CN 114464790 B CN114464790 B CN 114464790B CN 202210087847 A CN202210087847 A CN 202210087847A CN 114464790 B CN114464790 B CN 114464790B
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 239000002131 composite material Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000000377 silicon dioxide Substances 0.000 title claims description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 59
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 59
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 46
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 43
- 239000000843 powder Substances 0.000 claims abstract description 41
- 238000005245 sintering Methods 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 26
- 239000013078 crystal Substances 0.000 claims abstract description 22
- 239000010410 layer Substances 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 14
- 239000011247 coating layer Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims description 74
- 239000011248 coating agent Substances 0.000 claims description 73
- 239000002243 precursor Substances 0.000 claims description 38
- 238000006138 lithiation reaction Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 30
- 238000009768 microwave sintering Methods 0.000 claims description 21
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 17
- 239000010703 silicon Substances 0.000 claims description 17
- 229910000103 lithium hydride Inorganic materials 0.000 claims description 15
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 12
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- 229920001296 polysiloxane Polymers 0.000 claims description 9
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 9
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 9
- 229910007562 Li2SiO3 Inorganic materials 0.000 claims description 7
- 239000012298 atmosphere Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 6
- 229910001416 lithium ion Inorganic materials 0.000 claims description 6
- 239000005543 nano-size silicon particle Substances 0.000 claims description 5
- 239000007773 negative electrode material Substances 0.000 claims description 5
- 239000012448 Lithium borohydride Substances 0.000 claims description 3
- AFRJJFRNGGLMDW-UHFFFAOYSA-N lithium amide Chemical compound [Li+].[NH2-] AFRJJFRNGGLMDW-UHFFFAOYSA-N 0.000 claims description 3
- IDBFBDSKYCUNPW-UHFFFAOYSA-N lithium nitride Chemical compound [Li]N([Li])[Li] IDBFBDSKYCUNPW-UHFFFAOYSA-N 0.000 claims description 3
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 abstract description 61
- 239000000463 material Substances 0.000 abstract description 20
- 230000002829 reductive effect Effects 0.000 abstract description 13
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 20
- 239000007789 gas Substances 0.000 description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 16
- 230000001276 controlling effect Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- SIAPCJWMELPYOE-UHFFFAOYSA-N lithium hydride Chemical compound [LiH] SIAPCJWMELPYOE-UHFFFAOYSA-N 0.000 description 12
- 238000001816 cooling Methods 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 239000012299 nitrogen atmosphere Substances 0.000 description 9
- 238000012216 screening Methods 0.000 description 9
- 238000007600 charging Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 description 7
- 229910052912 lithium silicate Inorganic materials 0.000 description 7
- 239000002210 silicon-based material Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000009830 intercalation Methods 0.000 description 3
- 230000002687 intercalation Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- YJSAVIWBELEHDD-UHFFFAOYSA-N [Li].[Si]=O Chemical compound [Li].[Si]=O YJSAVIWBELEHDD-UHFFFAOYSA-N 0.000 description 2
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000033116 oxidation-reduction process Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000006245 Carbon black Super-P Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 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
- 239000012982 microporous membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
- 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
- H01M4/5825—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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- 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)
- Composite Materials (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
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CN115513424A (zh) * | 2022-08-26 | 2022-12-23 | 深圳市德方创域新能源科技有限公司 | 复合电极材料及其制备方法和应用 |
KR102563466B1 (ko) * | 2022-09-16 | 2023-08-03 | 주식회사 비츠로셀 | 사전 리튬화 및 탄소 캡슐화된 실리콘 기반 애노드 재료 및 광전자기 에너지 조사를 이용한 제조 방법 |
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 |
CN116799187A (zh) * | 2023-07-13 | 2023-09-22 | 浙江大学 | 一种氮掺杂预锂化氧化亚硅材料的制备方法及其产品和应用 |
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CN101807690A (zh) * | 2010-04-09 | 2010-08-18 | 奇瑞汽车股份有限公司 | 一种锂离子电池硅酸铁锂正极材料的制备方法 |
WO2015045316A1 (ja) * | 2013-09-24 | 2015-04-02 | 三洋電機株式会社 | 非水電解質二次電池用負極活物質及びその負極活物質を用いた非水電解質二次電池 |
CN107394158A (zh) * | 2017-07-21 | 2017-11-24 | 张娟 | 一种基于膨胀石墨制备硅碳复合型锂电池负极材料的方法 |
CN108461723A (zh) * | 2018-02-11 | 2018-08-28 | 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 |
WO2020238658A1 (zh) * | 2019-05-28 | 2020-12-03 | 贝特瑞新材料集团股份有限公司 | 一种硅氧化物/碳复合负极材料及其制备方法和锂离子电池 |
WO2021057929A1 (zh) * | 2019-09-26 | 2021-04-01 | 贝特瑞新材料集团股份有限公司 | 硅复合物负极材料及其制备方法和锂离子电池 |
CN113036108A (zh) * | 2021-03-11 | 2021-06-25 | 昆山宝创新能源科技有限公司 | 一种负极材料及其制备方法与用途 |
CN113948688A (zh) * | 2021-09-30 | 2022-01-18 | 浙江锂宸新材料科技有限公司 | 一种改性预锂化硅氧复合材料及其制备方法和应用 |
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- 2022-01-25 CN CN202210087847.2A patent/CN114464790B/zh active Active
Patent Citations (8)
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CN101807690A (zh) * | 2010-04-09 | 2010-08-18 | 奇瑞汽车股份有限公司 | 一种锂离子电池硅酸铁锂正极材料的制备方法 |
WO2015045316A1 (ja) * | 2013-09-24 | 2015-04-02 | 三洋電機株式会社 | 非水電解質二次電池用負極活物質及びその負極活物質を用いた非水電解質二次電池 |
CN107394158A (zh) * | 2017-07-21 | 2017-11-24 | 张娟 | 一种基于膨胀石墨制备硅碳复合型锂电池负极材料的方法 |
CN108461723A (zh) * | 2018-02-11 | 2018-08-28 | 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 |
WO2020238658A1 (zh) * | 2019-05-28 | 2020-12-03 | 贝特瑞新材料集团股份有限公司 | 一种硅氧化物/碳复合负极材料及其制备方法和锂离子电池 |
WO2021057929A1 (zh) * | 2019-09-26 | 2021-04-01 | 贝特瑞新材料集团股份有限公司 | 硅复合物负极材料及其制备方法和锂离子电池 |
CN113036108A (zh) * | 2021-03-11 | 2021-06-25 | 昆山宝创新能源科技有限公司 | 一种负极材料及其制备方法与用途 |
CN113948688A (zh) * | 2021-09-30 | 2022-01-18 | 浙江锂宸新材料科技有限公司 | 一种改性预锂化硅氧复合材料及其制备方法和应用 |
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Effective date of registration: 20240711 Address after: No. 6668-179, Section 2, Qingquan Avenue, Qingbaijiang District, Chengdu, Sichuan 610000 (European industrial city) Patentee after: Sichuan jinhuineng New Material Co.,Ltd. Country or region after: China Patentee after: SHENZHEN KINGRUNNING ENERGY MATERIALS Co.,Ltd. Address before: No. 6668-179, Section 2, Qingquan Avenue, Qingbaijiang District, Chengdu, Sichuan 610000 (European industrial city) Patentee before: Sichuan jinhuineng New Material Co.,Ltd. Country or region before: China |