CN113889625B - 一种改性硬碳复合材料及其制备方法和应用 - Google Patents
一种改性硬碳复合材料及其制备方法和应用 Download PDFInfo
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- CN113889625B CN113889625B CN202111141095.5A CN202111141095A CN113889625B CN 113889625 B CN113889625 B CN 113889625B CN 202111141095 A CN202111141095 A CN 202111141095A CN 113889625 B CN113889625 B CN 113889625B
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- titanium carbide
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- 229910021385 hard carbon Inorganic materials 0.000 title claims abstract description 80
- 239000002131 composite material Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 50
- 238000001354 calcination Methods 0.000 claims abstract description 28
- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 claims abstract description 20
- 239000000654 additive Substances 0.000 claims abstract description 18
- 230000000996 additive effect Effects 0.000 claims abstract description 17
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 239000007833 carbon precursor Substances 0.000 claims description 23
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 18
- 239000011230 binding agent Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000002270 dispersing agent Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 238000006011 modification reaction Methods 0.000 claims description 10
- 239000007773 negative electrode material Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 235000007164 Oryza sativa Nutrition 0.000 claims description 9
- 150000007522 mineralic acids Chemical class 0.000 claims description 9
- 235000009566 rice Nutrition 0.000 claims description 9
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 238000002791 soaking Methods 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 238000005554 pickling Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000000197 pyrolysis Methods 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004327 boric acid Substances 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052744 lithium Inorganic materials 0.000 abstract description 9
- 239000011229 interlayer Substances 0.000 abstract description 7
- 238000003860 storage Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 4
- 229910003481 amorphous carbon Inorganic materials 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 3
- 239000010936 titanium Substances 0.000 abstract description 3
- 229910052719 titanium Inorganic materials 0.000 abstract description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 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 abstract description 2
- 229910052796 boron Inorganic materials 0.000 abstract description 2
- 239000010410 layer Substances 0.000 abstract description 2
- 229910052708 sodium Inorganic materials 0.000 abstract description 2
- 239000011734 sodium Substances 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 17
- 239000000243 solution Substances 0.000 description 17
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 12
- 238000005406 washing Methods 0.000 description 12
- 239000000047 product Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 241000209094 Oryza Species 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000010406 cathode material Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000005011 phenolic resin Substances 0.000 description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920001568 phenolic resin Polymers 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- BQTOJCOSKKLTAB-UHFFFAOYSA-L [Na+].O1P(OC1CO)(=O)OP(=O)([O-])[O-].[Na+] Chemical group [Na+].O1P(OC1CO)(=O)OP(=O)([O-])[O-].[Na+] BQTOJCOSKKLTAB-UHFFFAOYSA-L 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229960005102 foscarnet Drugs 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000001027 hydrothermal synthesis Methods 0.000 description 2
- ZJAOAACCNHFJAH-UHFFFAOYSA-N hydroxycarbonylphosphonic acid Natural products OC(=O)P(O)(O)=O ZJAOAACCNHFJAH-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910013716 LiNi Inorganic materials 0.000 description 1
- 239000005819 Potassium phosphonate Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229940090960 diethylenetriamine pentamethylene phosphonic acid Drugs 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012154 double-distilled water Substances 0.000 description 1
- DUYCTCQXNHFCSJ-UHFFFAOYSA-N dtpmp Chemical compound OP(=O)(O)CN(CP(O)(O)=O)CCN(CP(O)(=O)O)CCN(CP(O)(O)=O)CP(O)(O)=O DUYCTCQXNHFCSJ-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 229920005546 furfural resin Polymers 0.000 description 1
- -1 hexamethylenediamine tetramethylidene potassium phosphonate Chemical compound 0.000 description 1
- CROPPCUSMPESOS-UHFFFAOYSA-N hexane-1,6-diamine;potassium Chemical compound [K].NCCCCCCN CROPPCUSMPESOS-UHFFFAOYSA-N 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
-
- 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
- H01M4/58—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
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- 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
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
编号 | 项目 | 实施例1 | 实施例2 | 实施例3 | 对比例 |
1 | 粒径(D<sub>50</sub>,μm) | 8.6 | 8.9 | 9.5 | 10.1 |
3 | 振实密度(g/cm<sup>3</sup>) | 0.91 | 0.85 | 0.81 | 0.72 |
4 | 比表面积(m<sup>2</sup>/g) | 7.9 | 7.5 | 7.7 | 4.9 |
5 | 层间距(nm) | 0.382 | 0.381 | 0.379 | 0.368 |
6 | 首次放电容量(mAh/g) | 689 | 676 | 598 | 345 |
7 | 首次效率(%) | 88.2 | 87.4 | 87.1 | 82.3 |
8 | 倍率性能(2C/0.1C) | 92.5 | 91.6 | 90.1 | 84.3 |
9 | 循环性能(容量保持率) | 94.8 | 93.7 | 92.3 | 89.3 |
Claims (5)
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CN116553522A (zh) * | 2023-06-16 | 2023-08-08 | 成都锂能科技有限公司 | 一种高比表面积的钠离子负极材料及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011157013A1 (zh) * | 2010-06-18 | 2011-12-22 | 深圳市贝特瑞新能源材料股份有限公司 | 锂离子电池复合硬碳负极材料及其制备方法 |
CN107808954A (zh) * | 2017-10-19 | 2018-03-16 | 清华大学深圳研究生院 | 一种钛酸锂包覆硬碳复合材料及其制备方法 |
CN108417805A (zh) * | 2018-03-16 | 2018-08-17 | 广东工业大学 | 一种锂离子/钠离子电池复合负极材料、负极及其电池 |
CN109301194A (zh) * | 2018-09-17 | 2019-02-01 | 浙江大学 | 磷量子点复合多孔硬碳材料及其制备方法和应用 |
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- 2021-09-28 CN CN202111141095.5A patent/CN113889625B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011157013A1 (zh) * | 2010-06-18 | 2011-12-22 | 深圳市贝特瑞新能源材料股份有限公司 | 锂离子电池复合硬碳负极材料及其制备方法 |
CN107808954A (zh) * | 2017-10-19 | 2018-03-16 | 清华大学深圳研究生院 | 一种钛酸锂包覆硬碳复合材料及其制备方法 |
CN108417805A (zh) * | 2018-03-16 | 2018-08-17 | 广东工业大学 | 一种锂离子/钠离子电池复合负极材料、负极及其电池 |
CN109301194A (zh) * | 2018-09-17 | 2019-02-01 | 浙江大学 | 磷量子点复合多孔硬碳材料及其制备方法和应用 |
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Effective date of registration: 20240415 Address after: 201512 Building 2, No. 688, Qiushi Road, Jinshanwei Town, Jinshan District, Shanghai (Economic Community of Jinshan No. 2 Industrial Zone) Patentee after: Shanghai Xunlong Yilian Technology Co.,Ltd. Country or region after: China Address before: Building 2, No. 688, Qiushi Road, Jinshanwei Town, Jinshan District, Shanghai 200540 (Economic Community of Jinshan Second Industrial Zone) Patentee before: Shanghai Feihong Chuanglian New Energy Development Co.,Ltd. Country or region before: China |
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