CN110165160A - 锂掺杂硅氧碳/石墨复合负极材料的制备方法 - Google Patents
锂掺杂硅氧碳/石墨复合负极材料的制备方法 Download PDFInfo
- Publication number
- CN110165160A CN110165160A CN201910334086.4A CN201910334086A CN110165160A CN 110165160 A CN110165160 A CN 110165160A CN 201910334086 A CN201910334086 A CN 201910334086A CN 110165160 A CN110165160 A CN 110165160A
- Authority
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- China
- Prior art keywords
- lithium
- lithium doping
- silicon oxygen
- doping silicon
- negative pole
- Prior art date
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Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 101
- 239000000463 material Substances 0.000 title claims abstract description 87
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 58
- 239000010439 graphite Substances 0.000 title claims abstract description 58
- ADKPKEZZYOUGBZ-UHFFFAOYSA-N [C].[O].[Si] Chemical compound [C].[O].[Si] ADKPKEZZYOUGBZ-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000006185 dispersion Substances 0.000 claims abstract description 23
- 238000000498 ball milling Methods 0.000 claims abstract description 18
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 18
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 17
- 239000011259 mixed solution Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 239000000243 solution Substances 0.000 claims abstract description 16
- 238000000713 high-energy ball milling Methods 0.000 claims abstract description 11
- 239000011261 inert gas Substances 0.000 claims abstract description 10
- 238000001694 spray drying Methods 0.000 claims abstract description 10
- 238000005469 granulation Methods 0.000 claims abstract description 9
- 230000003179 granulation Effects 0.000 claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 12
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 239000011164 primary particle Substances 0.000 claims description 9
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 6
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 6
- 229910021382 natural graphite Inorganic materials 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- 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 4
- 239000008103 glucose Substances 0.000 claims description 4
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 4
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 4
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 4
- HGPXWXLYXNVULB-UHFFFAOYSA-M lithium stearate Chemical compound [Li+].CCCCCCCCCCCCCCCCCC([O-])=O HGPXWXLYXNVULB-UHFFFAOYSA-M 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 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 3
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 238000010348 incorporation Methods 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 claims description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N n-Butyllithium Substances [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims description 2
- 239000011295 pitch Substances 0.000 claims description 2
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 claims 1
- 239000007773 negative electrode material Substances 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- -1 polypropylene Polymers 0.000 description 5
- 238000005253 cladding Methods 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 2
- 229910003481 amorphous carbon Inorganic materials 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 229920003123 carboxymethyl cellulose sodium Polymers 0.000 description 2
- 229940063834 carboxymethylcellulose sodium Drugs 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 229940105329 carboxymethylcellulose Drugs 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 description 1
- 229910052912 lithium silicate Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000004575 stone Substances 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
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
-
- 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
-
- 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)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
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CN201910334086.4A CN110165160A (zh) | 2019-04-24 | 2019-04-24 | 锂掺杂硅氧碳/石墨复合负极材料的制备方法 |
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CN201910334086.4A CN110165160A (zh) | 2019-04-24 | 2019-04-24 | 锂掺杂硅氧碳/石墨复合负极材料的制备方法 |
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CN201910334086.4A Pending CN110165160A (zh) | 2019-04-24 | 2019-04-24 | 锂掺杂硅氧碳/石墨复合负极材料的制备方法 |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111438364A (zh) * | 2020-04-07 | 2020-07-24 | 广东凯金新能源科技股份有限公司 | 一种高首效硅基复合材料及其制备方法 |
CN111525108A (zh) * | 2020-04-20 | 2020-08-11 | 南昌大学 | 一种碳包覆硅负极材料的合成方法 |
CN111653737A (zh) * | 2020-04-20 | 2020-09-11 | 万向一二三股份公司 | 一种具有梯度预锂化结构的氧化硅复合材料及其制备方法、应用 |
CN112670462A (zh) * | 2020-03-31 | 2021-04-16 | 宁波杉杉新材料科技有限公司 | 预锂氧化亚硅-石墨复合负极材料及其制备方法和应用 |
CN113363473A (zh) * | 2021-03-19 | 2021-09-07 | 万向一二三股份公司 | 一种高首效SiO石墨复合负极材料的制备方法 |
CN113823781A (zh) * | 2021-08-23 | 2021-12-21 | 惠州锂威新能源科技有限公司 | 一种复合负极材料及其制备方法 |
CN113937283A (zh) * | 2021-10-27 | 2022-01-14 | 苏州中材非金属矿工业设计研究院有限公司 | 一种改性球形石墨负极材料及其制备方法和应用 |
CN114122376A (zh) * | 2021-11-12 | 2022-03-01 | 宁德新能源科技有限公司 | 一种电化学装置及包含其的电子装置 |
CN114335456A (zh) * | 2021-12-06 | 2022-04-12 | 桂林电子科技大学 | 快充型复合负极材料及其制备方法与应用 |
CN114843456A (zh) * | 2021-02-02 | 2022-08-02 | 孚能科技(赣州)股份有限公司 | 一种负极材料及其制备方法和制备的电池 |
CN114975950A (zh) * | 2022-06-14 | 2022-08-30 | 雅安天蓝新材料科技有限公司 | 一种碳硅复合材料及其制备方法 |
CN115000390A (zh) * | 2022-07-05 | 2022-09-02 | 浙江吉利控股集团有限公司 | 一种锂电池负极复合材料的制备方法 |
CN114122376B (zh) * | 2021-11-12 | 2024-05-14 | 宁德新能源科技有限公司 | 一种电化学装置及包含其的电子装置 |
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CN103258988A (zh) * | 2013-06-14 | 2013-08-21 | 三峡大学 | 一种高性能一氧化硅/无定形碳/石墨复合负极材料及其制备方法 |
CN104577066A (zh) * | 2014-12-29 | 2015-04-29 | 南开大学 | 锂离子二次电池硅氧化物复合负极材料及其制备方法 |
CN108232145A (zh) * | 2017-10-23 | 2018-06-29 | 中航锂电(洛阳)有限公司 | 一种空间缓冲、掺杂锂的硅氧化物复合材料及其制备方法、锂离子电池 |
CN109037636A (zh) * | 2018-08-03 | 2018-12-18 | 深圳市斯诺实业发展有限公司 | 一种SiO/碳/石墨复合负极材料的制备方法 |
-
2019
- 2019-04-24 CN CN201910334086.4A patent/CN110165160A/zh active Pending
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CN102509778A (zh) * | 2011-10-28 | 2012-06-20 | 奇瑞汽车股份有限公司 | 一种锂离子电池负极材料及其制备方法 |
CN103258988A (zh) * | 2013-06-14 | 2013-08-21 | 三峡大学 | 一种高性能一氧化硅/无定形碳/石墨复合负极材料及其制备方法 |
CN104577066A (zh) * | 2014-12-29 | 2015-04-29 | 南开大学 | 锂离子二次电池硅氧化物复合负极材料及其制备方法 |
CN108232145A (zh) * | 2017-10-23 | 2018-06-29 | 中航锂电(洛阳)有限公司 | 一种空间缓冲、掺杂锂的硅氧化物复合材料及其制备方法、锂离子电池 |
CN109037636A (zh) * | 2018-08-03 | 2018-12-18 | 深圳市斯诺实业发展有限公司 | 一种SiO/碳/石墨复合负极材料的制备方法 |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112670462A (zh) * | 2020-03-31 | 2021-04-16 | 宁波杉杉新材料科技有限公司 | 预锂氧化亚硅-石墨复合负极材料及其制备方法和应用 |
CN111438364A (zh) * | 2020-04-07 | 2020-07-24 | 广东凯金新能源科技股份有限公司 | 一种高首效硅基复合材料及其制备方法 |
CN111525108A (zh) * | 2020-04-20 | 2020-08-11 | 南昌大学 | 一种碳包覆硅负极材料的合成方法 |
CN111653737A (zh) * | 2020-04-20 | 2020-09-11 | 万向一二三股份公司 | 一种具有梯度预锂化结构的氧化硅复合材料及其制备方法、应用 |
CN111653737B (zh) * | 2020-04-20 | 2021-09-07 | 万向一二三股份公司 | 一种具有梯度预锂化结构的氧化硅复合材料及其制备方法、应用 |
CN114843456B (zh) * | 2021-02-02 | 2024-03-01 | 孚能科技(赣州)股份有限公司 | 一种负极材料及其制备方法和制备的电池 |
CN114843456A (zh) * | 2021-02-02 | 2022-08-02 | 孚能科技(赣州)股份有限公司 | 一种负极材料及其制备方法和制备的电池 |
WO2022193498A1 (zh) * | 2021-03-19 | 2022-09-22 | 万向一二三股份公司 | 一种高首效SiO石墨复合负极材料的制备方法 |
CN113363473A (zh) * | 2021-03-19 | 2021-09-07 | 万向一二三股份公司 | 一种高首效SiO石墨复合负极材料的制备方法 |
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