CN115676837A - 铜掺杂多孔碳硅氧复合材料的制备方法、复合材料和应用 - Google Patents
铜掺杂多孔碳硅氧复合材料的制备方法、复合材料和应用 Download PDFInfo
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- CN115676837A CN115676837A CN202211227558.4A CN202211227558A CN115676837A CN 115676837 A CN115676837 A CN 115676837A CN 202211227558 A CN202211227558 A CN 202211227558A CN 115676837 A CN115676837 A CN 115676837A
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- Prior art keywords
- copper
- porous carbon
- composite material
- doped porous
- silicon
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- 239000002131 composite material Substances 0.000 title claims abstract description 84
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000004793 Polystyrene Substances 0.000 claims abstract description 47
- 229920002223 polystyrene Polymers 0.000 claims abstract description 47
- 239000004005 microsphere Substances 0.000 claims abstract description 41
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- -1 carbon-copper-silicon dioxide Chemical compound 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 239000000839 emulsion Substances 0.000 claims abstract description 22
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 20
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 18
- 238000005245 sintering Methods 0.000 claims abstract description 17
- ADKPKEZZYOUGBZ-UHFFFAOYSA-N [C].[O].[Si] Chemical compound [C].[O].[Si] ADKPKEZZYOUGBZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 13
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 229940116318 copper carbonate Drugs 0.000 claims abstract description 11
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 claims abstract description 11
- 238000003763 carbonization Methods 0.000 claims abstract description 9
- 238000006722 reduction reaction Methods 0.000 claims abstract description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 30
- 238000005406 washing Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 21
- 238000001035 drying Methods 0.000 claims description 12
- 238000001291 vacuum drying Methods 0.000 claims description 12
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- 239000011149 active material Substances 0.000 claims description 8
- 239000012298 atmosphere Substances 0.000 claims description 8
- 238000010000 carbonizing Methods 0.000 claims description 8
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 claims description 8
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 7
- 239000007795 chemical reaction product Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- KDSNLYIMUZNERS-UHFFFAOYSA-N 2-methylpropanamine Chemical compound CC(C)CN KDSNLYIMUZNERS-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims description 6
- XDIAMRVROCPPBK-UHFFFAOYSA-N 2,2-dimethylpropan-1-amine Chemical compound CC(C)(C)CN XDIAMRVROCPPBK-UHFFFAOYSA-N 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 claims description 3
- 230000021523 carboxylation Effects 0.000 claims description 3
- 238000006473 carboxylation reaction Methods 0.000 claims description 3
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 11
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 11
- 230000000052 comparative effect Effects 0.000 description 39
- 238000012360 testing method Methods 0.000 description 17
- 239000000243 solution Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 239000008367 deionised water Substances 0.000 description 8
- 229910021641 deionized water Inorganic materials 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000012300 argon atmosphere Substances 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 6
- 238000011056 performance test Methods 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 5
- 238000007600 charging Methods 0.000 description 5
- 229910017604 nitric acid Inorganic materials 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 238000001132 ultrasonic dispersion Methods 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical group CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910013872 LiPF Inorganic materials 0.000 description 2
- 101150058243 Lipf gene Proteins 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 229910000420 cerium oxide Inorganic materials 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005251 gamma ray Effects 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010280 constant potential charging Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- WDCKRYQAVLUEDJ-UHFFFAOYSA-N methyl(oxo)silicon Chemical compound C[Si]=O WDCKRYQAVLUEDJ-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910001952 rubidium oxide Inorganic materials 0.000 description 1
- CWBWCLMMHLCMAM-UHFFFAOYSA-M rubidium(1+);hydroxide Chemical compound [OH-].[Rb+].[Rb+] CWBWCLMMHLCMAM-UHFFFAOYSA-M 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000002153 silicon-carbon composite material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Images
Classifications
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- 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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- Silicon Compounds (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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CN202211227558.4A CN115676837B (zh) | 2022-10-09 | 2022-10-09 | 铜掺杂多孔碳硅氧复合材料的制备方法、复合材料和应用 |
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Cited By (1)
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WO2024174294A1 (zh) * | 2023-02-22 | 2024-08-29 | 石大胜华新材料集团股份有限公司 | 一种硅碳复合材料的制备方法和硅碳复合材料 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130139555A (ko) * | 2012-06-13 | 2013-12-23 | 주식회사 예일전자 | 금속이 도핑된 실리콘산화물, 이를 포함하는 이차전지용 음극재 및 그 제조방법 |
CN108047364A (zh) * | 2018-01-31 | 2018-05-18 | 中国科学技术大学 | 一种聚苯乙烯多孔微球的制备方法 |
KR20180115974A (ko) * | 2017-04-14 | 2018-10-24 | 백창근 | 구리 도핑된 탄소-실리콘 산화물(C-SiOx) 복합체 및 이의 제조 방법 |
CN109244401A (zh) * | 2018-09-04 | 2019-01-18 | 南京工业大学 | 一种采用镁热还原法制备的多孔纳米硅碳复合材料及其制备方法 |
CN109265613A (zh) * | 2018-08-20 | 2019-01-25 | 南通乐道环保技术有限公司 | 一种功能化聚苯乙烯微球及其制备方法和应用 |
CN114122357A (zh) * | 2021-11-10 | 2022-03-01 | 云南中晟新材料有限责任公司 | 一种锂盐包覆石墨烯掺杂硅碳复合材料及其制备方法 |
CN114188524A (zh) * | 2021-12-09 | 2022-03-15 | 泉州师范学院 | 一种以污泥制备微量元素掺杂硅碳负极材料的方法 |
CN115101741A (zh) * | 2022-08-10 | 2022-09-23 | 胜华新能源科技(东营)有限公司 | 氮掺杂石墨烯包覆硅碳复合材料及其制备方法和应用 |
CN115117324A (zh) * | 2022-08-01 | 2022-09-27 | 晖阳(贵州)新能源材料有限公司 | 一种模板法制备镁掺杂空心硅碳复合材料及其制备方法 |
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- 2022-10-09 CN CN202211227558.4A patent/CN115676837B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130139555A (ko) * | 2012-06-13 | 2013-12-23 | 주식회사 예일전자 | 금속이 도핑된 실리콘산화물, 이를 포함하는 이차전지용 음극재 및 그 제조방법 |
KR20180115974A (ko) * | 2017-04-14 | 2018-10-24 | 백창근 | 구리 도핑된 탄소-실리콘 산화물(C-SiOx) 복합체 및 이의 제조 방법 |
CN108047364A (zh) * | 2018-01-31 | 2018-05-18 | 中国科学技术大学 | 一种聚苯乙烯多孔微球的制备方法 |
CN109265613A (zh) * | 2018-08-20 | 2019-01-25 | 南通乐道环保技术有限公司 | 一种功能化聚苯乙烯微球及其制备方法和应用 |
CN109244401A (zh) * | 2018-09-04 | 2019-01-18 | 南京工业大学 | 一种采用镁热还原法制备的多孔纳米硅碳复合材料及其制备方法 |
CN114122357A (zh) * | 2021-11-10 | 2022-03-01 | 云南中晟新材料有限责任公司 | 一种锂盐包覆石墨烯掺杂硅碳复合材料及其制备方法 |
CN114188524A (zh) * | 2021-12-09 | 2022-03-15 | 泉州师范学院 | 一种以污泥制备微量元素掺杂硅碳负极材料的方法 |
CN115117324A (zh) * | 2022-08-01 | 2022-09-27 | 晖阳(贵州)新能源材料有限公司 | 一种模板法制备镁掺杂空心硅碳复合材料及其制备方法 |
CN115101741A (zh) * | 2022-08-10 | 2022-09-23 | 胜华新能源科技(东营)有限公司 | 氮掺杂石墨烯包覆硅碳复合材料及其制备方法和应用 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024174294A1 (zh) * | 2023-02-22 | 2024-08-29 | 石大胜华新材料集团股份有限公司 | 一种硅碳复合材料的制备方法和硅碳复合材料 |
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