CN110429265B - 一种锂离子电池用MEG/Si/C复合负极材料及其制备方法 - Google Patents
一种锂离子电池用MEG/Si/C复合负极材料及其制备方法 Download PDFInfo
- Publication number
- CN110429265B CN110429265B CN201910745336.3A CN201910745336A CN110429265B CN 110429265 B CN110429265 B CN 110429265B CN 201910745336 A CN201910745336 A CN 201910745336A CN 110429265 B CN110429265 B CN 110429265B
- Authority
- CN
- China
- Prior art keywords
- meg
- lithium ion
- ion battery
- graphite
- negative electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 57
- 239000007773 negative electrode material Substances 0.000 title claims abstract description 45
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 116
- 239000010439 graphite Substances 0.000 claims abstract description 87
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 86
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 30
- 238000009830 intercalation Methods 0.000 claims abstract description 27
- 230000002687 intercalation Effects 0.000 claims abstract description 27
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 25
- 238000000498 ball milling Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000000126 substance Substances 0.000 claims abstract description 15
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 13
- 230000003647 oxidation Effects 0.000 claims abstract description 12
- 239000004094 surface-active agent Substances 0.000 claims abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 239000010405 anode material Substances 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 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 13
- 239000008103 glucose Substances 0.000 claims description 13
- 238000000227 grinding Methods 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 239000010406 cathode material Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 239000007800 oxidant agent Substances 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000005457 ice water Substances 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 239000006228 supernatant Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 4
- 239000000138 intercalating agent Substances 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 3
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 claims description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 2
- 229960000583 acetic acid Drugs 0.000 claims description 2
- AXZAYXJCENRGIM-UHFFFAOYSA-J dipotassium;tetrabromoplatinum(2-) Chemical compound [K+].[K+].[Br-].[Br-].[Br-].[Br-].[Pt+2] AXZAYXJCENRGIM-UHFFFAOYSA-J 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 239000012362 glacial acetic acid Substances 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- 229920001568 phenolic resin Polymers 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 2
- 229910001487 potassium perchlorate Inorganic materials 0.000 claims description 2
- 235000019260 propionic acid Nutrition 0.000 claims description 2
- 230000001007 puffing effect Effects 0.000 claims description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 2
- 238000009818 secondary granulation Methods 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 29
- 239000010703 silicon Substances 0.000 abstract description 29
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052744 lithium Inorganic materials 0.000 abstract description 14
- 238000009831 deintercalation Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003763 carbonization Methods 0.000 abstract description 2
- 230000001595 contractor effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 13
- 229910021382 natural graphite Inorganic materials 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000000576 coating method Methods 0.000 description 7
- 238000005303 weighing Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 239000011889 copper foil Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 238000001291 vacuum drying Methods 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- YCONLAVBSLDAFW-UHFFFAOYSA-N [Si]=O.[C].[Si] Chemical compound [Si]=O.[C].[Si] YCONLAVBSLDAFW-UHFFFAOYSA-N 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 229910021384 soft carbon Inorganic materials 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- -1 occurs at 200-400 °C Natural products 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002153 silicon-carbon composite material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- H01M4/362—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
- H01M4/38—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
- H01M4/583—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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910745336.3A CN110429265B (zh) | 2019-08-13 | 2019-08-13 | 一种锂离子电池用MEG/Si/C复合负极材料及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910745336.3A CN110429265B (zh) | 2019-08-13 | 2019-08-13 | 一种锂离子电池用MEG/Si/C复合负极材料及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110429265A CN110429265A (zh) | 2019-11-08 |
CN110429265B true CN110429265B (zh) | 2021-02-02 |
Family
ID=68414416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910745336.3A Active CN110429265B (zh) | 2019-08-13 | 2019-08-13 | 一种锂离子电池用MEG/Si/C复合负极材料及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110429265B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111029558A (zh) * | 2019-12-25 | 2020-04-17 | 广东凯金新能源科技股份有限公司 | 一种中空核壳结构硅碳复合负极材料及其制备方法 |
CN111211290A (zh) * | 2020-02-24 | 2020-05-29 | 福建翔丰华新能源材料有限公司 | 一种高性能兼顾快充石墨锂离子电池负极及其制备方法 |
CN112652757B (zh) | 2020-12-23 | 2022-02-18 | 横店集团东磁股份有限公司 | 一种改性硅碳负极材料及其制备方法与应用 |
CN113036306A (zh) * | 2021-02-20 | 2021-06-25 | 山东天瀚新能源科技有限公司 | 一种掺硅补锂技术方案及其锂离子电池的组装方法 |
CN115036497B (zh) * | 2022-06-22 | 2023-07-28 | 山东大学 | 一种石墨与聚磷酸铵共改性硅负极材料及其制备方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102403491A (zh) * | 2011-11-30 | 2012-04-04 | 奇瑞汽车股份有限公司 | 一种锂离子电池硅碳复合负极材料及其制备方法及锂离子电池 |
CN102769139A (zh) * | 2012-08-10 | 2012-11-07 | 深圳市斯诺实业发展有限公司永丰县分公司 | 一种高容量锂离子电池负极材料的制备方法 |
CN105047888A (zh) * | 2015-07-03 | 2015-11-11 | 华南理工大学 | 一种锂离子电池负极材料及其制备方法 |
CN105355870A (zh) * | 2015-10-22 | 2016-02-24 | 清华大学深圳研究生院 | 膨胀石墨与纳米硅复合材料及其制备方法、电极片、电池 |
CN106356519A (zh) * | 2016-11-11 | 2017-01-25 | 中国科学院山西煤炭化学研究所 | 一种锂离子电池用膨胀石墨/硅@碳负极材料的制备方法 |
EP3046167B1 (en) * | 2015-01-15 | 2018-09-12 | Samsung SDI Co., Ltd. | Negative active material for rechargeable lithium battery, method of preparing same and rechargeable lithium battery including same |
CN109449389A (zh) * | 2018-09-30 | 2019-03-08 | 青岛岩海碳材料有限公司 | 硅碳复合型锂离子电池用负极材料的制备方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104157863B (zh) * | 2014-08-22 | 2016-06-01 | 东莞市长安东阳光铝业研发有限公司 | 一种微膨胀石墨负极材料的制备方法 |
CN106784707B (zh) * | 2016-12-28 | 2019-06-04 | 江西正拓新能源科技股份有限公司 | 一种纳米硅-碳复合锂离子电池负极材料的制备方法 |
-
2019
- 2019-08-13 CN CN201910745336.3A patent/CN110429265B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102403491A (zh) * | 2011-11-30 | 2012-04-04 | 奇瑞汽车股份有限公司 | 一种锂离子电池硅碳复合负极材料及其制备方法及锂离子电池 |
CN102769139A (zh) * | 2012-08-10 | 2012-11-07 | 深圳市斯诺实业发展有限公司永丰县分公司 | 一种高容量锂离子电池负极材料的制备方法 |
EP3046167B1 (en) * | 2015-01-15 | 2018-09-12 | Samsung SDI Co., Ltd. | Negative active material for rechargeable lithium battery, method of preparing same and rechargeable lithium battery including same |
CN105047888A (zh) * | 2015-07-03 | 2015-11-11 | 华南理工大学 | 一种锂离子电池负极材料及其制备方法 |
CN105355870A (zh) * | 2015-10-22 | 2016-02-24 | 清华大学深圳研究生院 | 膨胀石墨与纳米硅复合材料及其制备方法、电极片、电池 |
CN106356519A (zh) * | 2016-11-11 | 2017-01-25 | 中国科学院山西煤炭化学研究所 | 一种锂离子电池用膨胀石墨/硅@碳负极材料的制备方法 |
CN109449389A (zh) * | 2018-09-30 | 2019-03-08 | 青岛岩海碳材料有限公司 | 硅碳复合型锂离子电池用负极材料的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN110429265A (zh) | 2019-11-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110429265B (zh) | 一种锂离子电池用MEG/Si/C复合负极材料及其制备方法 | |
US11929484B2 (en) | Compound, preparation method therefore, and use in lithium ion secondary battery | |
KR100830612B1 (ko) | 리튬 이차 전지용 음극 활물질, 그의 제조 방법 및 그를포함하는 리튬 이차 전지 | |
He et al. | A SnO 2@ carbon nanocluster anode material with superior cyclability and rate capability for lithium-ion batteries | |
CN112467108B (zh) | 一种多孔硅氧复合材料及其制备方法和应用 | |
KR20220070044A (ko) | 리튬이온전지 음극소재 및 그의 제조방법 | |
CN110364761B (zh) | 一种高能量密度长循环磷酸铁锂电池 | |
CN112174220B (zh) | 二氧化钛包覆四氧化三钴蜂窝孔纳米线材料及其制备和应用 | |
Yang et al. | A surface multiple effect on the ZnO anode induced by graphene for a high energy lithium-ion full battery | |
CN114702022B (zh) | 硬碳负极材料的制备方法和应用 | |
CN111740110A (zh) | 一种复合负极材料及其制备方法和锂离子电池 | |
CN110299514B (zh) | 核壳结构硅碳负极材料及制备方法和负极片 | |
CN112750989A (zh) | 一种使用锂离子导体对锂离子电池电极材料进行改性的方法 | |
Li et al. | Preparation and electrochemical properties of nanoparticle structural LiFePO 4/C by Sol–Gel method as cathode material for lithium ion batteries | |
CN111342011B (zh) | 磷酸铁锂/硫碳复合正极材料及其制备方法、锂离子电池正极和锂离子电池 | |
CN114784233A (zh) | 一种负极活性材料及其制备方法和应用 | |
CN113506867A (zh) | 一种用于锂离子电池的MoS2/氮掺杂复合材料及其制备方法 | |
Chen et al. | Synergistic and capacitance effects in nanocarbon based capacitor batteries designed for superior rate capability and long-cycle stability | |
CN114361416A (zh) | 一种硅基复合材料、锂离子电池及其制备方法和应用 | |
CN110581275B (zh) | 一种锂离子电池石墨烯/软碳负极材料及其制备方法、锂离子电池 | |
CN114585589A (zh) | 人造石墨、制备人造石墨的方法、包含所述人造石墨的负极、以及锂二次电池 | |
CN115036454B (zh) | 一种安全稳定的活化负极 | |
CN115763703B (zh) | 二次电池及电池包 | |
CN112736225B (zh) | 硅氧锂颗粒团聚体及其制备方法、负极材料、极片和电池 | |
CN111261857B (zh) | 一种钠离子电池用FePS3/NC复合负极材料及其制备方法、钠离子电池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210412 Address after: No. 22, Zhuozishan, Dongguang Road, Ziliujing District, Zigong City, Sichuan Province Patentee after: ZIGONG DONGXIN CARBON Co.,Ltd. Address before: No. 519, Huixing Road, Ziliujing District, Zigong City, Sichuan Province Patentee before: Sichuan University of Light Chemical Technology |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: No. 22, Zhuozishan, Dongguang Road, Ziliujing District, Zigong City, Sichuan Province Patentee after: Zigong Dongxin Carbon Co.,Ltd. Address before: No. 22, Zhuozishan, Dongguang Road, Ziliujing District, Zigong City, Sichuan Province Patentee before: ZIGONG DONGXIN CARBON CO.,LTD. |