CN111146430B - 一种锂离子电池用多孔核壳结构硅碳负极材料的及其制备方法 - Google Patents
一种锂离子电池用多孔核壳结构硅碳负极材料的及其制备方法 Download PDFInfo
- Publication number
- CN111146430B CN111146430B CN202010084393.4A CN202010084393A CN111146430B CN 111146430 B CN111146430 B CN 111146430B CN 202010084393 A CN202010084393 A CN 202010084393A CN 111146430 B CN111146430 B CN 111146430B
- Authority
- CN
- China
- Prior art keywords
- carbon
- silicon
- negative electrode
- shell structure
- electrode material
- 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
- 239000007773 negative electrode material Substances 0.000 title claims abstract description 36
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000011258 core-shell material Substances 0.000 title claims abstract description 32
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 65
- 229910052799 carbon Inorganic materials 0.000 claims description 62
- 239000002002 slurry Substances 0.000 claims description 50
- 239000005543 nano-size silicon particle Substances 0.000 claims description 36
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 30
- 239000011863 silicon-based powder Substances 0.000 claims description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 239000002131 composite material Substances 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 19
- 239000006185 dispersion Substances 0.000 claims description 18
- 238000013329 compounding Methods 0.000 claims description 16
- 239000002243 precursor Substances 0.000 claims description 16
- 238000000227 grinding Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- 239000007833 carbon precursor Substances 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 10
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- 239000010405 anode material Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 238000001694 spray drying Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000011247 coating layer Substances 0.000 claims description 7
- 239000007970 homogeneous dispersion Substances 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 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 5
- 229920002472 Starch Polymers 0.000 claims description 5
- 229930006000 Sucrose Natural products 0.000 claims description 5
- 239000008103 glucose Substances 0.000 claims description 5
- 239000003077 lignite Substances 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- 239000005720 sucrose Substances 0.000 claims description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical class [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920001522 polyglycol ester Polymers 0.000 claims description 4
- 229920000036 polyvinylpyrrolidone Chemical class 0.000 claims description 4
- 239000001267 polyvinylpyrrolidone Chemical class 0.000 claims description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920005546 furfural resin Polymers 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
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 3
- BSWXAWQTMPECAK-UHFFFAOYSA-N 6,6-diethyloctyl dihydrogen phosphate Chemical class CCC(CC)(CC)CCCCCOP(O)(O)=O BSWXAWQTMPECAK-UHFFFAOYSA-N 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 239000010426 asphalt Substances 0.000 claims description 2
- 238000000498 ball milling Methods 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims description 2
- 239000001913 cellulose Chemical class 0.000 claims description 2
- 229920002678 cellulose Chemical class 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000005336 cracking Methods 0.000 claims description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 2
- LCSPTLBPHFPXFQ-UHFFFAOYSA-N n,n-dihydroxy-2-phenylethanamine Chemical compound ON(O)CCC1=CC=CC=C1 LCSPTLBPHFPXFQ-UHFFFAOYSA-N 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical class [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 2
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 2
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 2
- 125000000185 sucrose group Chemical group 0.000 claims 2
- 238000002604 ultrasonography Methods 0.000 claims 2
- 230000005518 electrochemistry Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 239000010406 cathode material Substances 0.000 description 9
- 239000007921 spray Substances 0.000 description 9
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 229910052726 zirconium Inorganic materials 0.000 description 8
- 230000002441 reversible effect Effects 0.000 description 5
- 238000000889 atomisation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 239000011268 mixed slurry Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 150000002641 lithium Chemical group 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000006467 substitution reaction 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
- H01M4/38—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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
Abstract
Description
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010084393.4A CN111146430B (zh) | 2020-02-10 | 2020-02-10 | 一种锂离子电池用多孔核壳结构硅碳负极材料的及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010084393.4A CN111146430B (zh) | 2020-02-10 | 2020-02-10 | 一种锂离子电池用多孔核壳结构硅碳负极材料的及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111146430A CN111146430A (zh) | 2020-05-12 |
CN111146430B true CN111146430B (zh) | 2022-08-23 |
Family
ID=70527111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010084393.4A Active CN111146430B (zh) | 2020-02-10 | 2020-02-10 | 一种锂离子电池用多孔核壳结构硅碳负极材料的及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111146430B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111755683A (zh) * | 2020-07-06 | 2020-10-09 | 马鞍山科达普锐能源科技有限公司 | 一种锂离子电池用含硅负极材料及其制备方法 |
CN111755684B (zh) * | 2020-07-06 | 2022-05-24 | 马鞍山科达普锐能源科技有限公司 | 一种锂离子电池用硅碳负极材料及其制备方法 |
CN111960421B (zh) * | 2020-08-27 | 2021-11-05 | 北京理工大学 | 一种包覆型碳硅负极材料的制备方法 |
CN114520314B (zh) * | 2020-11-19 | 2024-02-27 | 湖南中科星城石墨有限公司 | 具有多孔碳包覆层的负极材料、其制备方法和锂离子电池 |
CN114144909A (zh) * | 2021-03-31 | 2022-03-04 | 宁德新能源科技有限公司 | 一种负极极片、包含该负极极片的电化学装置和电子装置 |
CN114122372B (zh) * | 2021-11-10 | 2024-03-29 | 云南中晟新材料有限责任公司 | 一种锂离子电池所用低膨胀硅碳负极材料及其制备方法 |
CN115020690B (zh) * | 2022-05-31 | 2023-06-20 | 华东师范大学 | 一种用于锂离子电池负极的晶硅碳复合添加材料及其制备方法 |
CN115911341A (zh) * | 2023-02-06 | 2023-04-04 | 江苏正力新能电池技术有限公司 | 一种多孔硅碳负极材料、制备方法以及应用 |
CN116598452B (zh) * | 2023-05-15 | 2024-03-12 | 江门市和创新能源材料有限公司 | 一种硅碳负极材料及其制备方法和应用 |
CN117038941B (zh) * | 2023-10-09 | 2023-12-29 | 江苏正力新能电池技术有限公司 | 一种多孔硅碳负极材料及其制备方法与应用 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103107315B (zh) * | 2011-11-10 | 2016-03-30 | 北京有色金属研究总院 | 一种纳米硅碳复合材料及其制备方法 |
CN104393284A (zh) * | 2014-11-17 | 2015-03-04 | 天津大学 | 负载氧化镍纳米颗粒的多孔硬碳球负极材料及制备方法 |
CN104953122B (zh) * | 2015-06-30 | 2017-09-19 | 深圳清华大学研究院 | 纳米硅碳复合负极材料和制备方法及其锂离子电池 |
CN105932245B (zh) * | 2016-05-20 | 2019-07-16 | 北京壹金新能源科技有限公司 | 一种高压实密度硅碳负极材料及其制备方法和应用 |
CN106450192A (zh) * | 2016-10-14 | 2017-02-22 | 浙江天能能源科技股份有限公司 | 一种锂离子电池用硅碳复合材料及其制备方法和应用 |
US10084182B2 (en) * | 2017-02-23 | 2018-09-25 | Nanotek Instruments, Inc. | Alkali metal-sulfur secondary battery containing a protected sulfur cathode and manufacturing method |
CN107416819B (zh) * | 2017-06-15 | 2019-11-29 | 北京理工大学 | 一种利用二氧化碳制备氮掺杂多孔碳纳米材料的方法 |
EP3476475B1 (en) * | 2017-10-27 | 2022-04-06 | Heraeus Battery Technology GmbH | Production of a porous carbon product |
CN108258230B (zh) * | 2018-02-06 | 2021-02-26 | 马鞍山科达普锐能源科技有限公司 | 一种锂离子电池用中空结构硅碳负极材料及其制备方法 |
CN108933250B (zh) * | 2018-08-28 | 2020-09-15 | 大同新成新材料股份有限公司 | 一种硅碳复合负极材料的制备工艺 |
CN109449432A (zh) * | 2018-09-14 | 2019-03-08 | 深圳市卓能新能源股份有限公司 | 电池正极片及其制造方法和锂离子电池及其制造方法 |
CN110400930A (zh) * | 2019-08-15 | 2019-11-01 | 马鞍山科达普锐能源科技有限公司 | 一种锂离子电池用硅碳负极材料及其制备方法 |
CN110732314B (zh) * | 2019-09-26 | 2022-12-02 | 湖南中科星城石墨有限公司 | 固硫用复合多孔碳及其制备方法 |
-
2020
- 2020-02-10 CN CN202010084393.4A patent/CN111146430B/zh active Active
Non-Patent Citations (1)
Title |
---|
掺氮多孔碳在二氧化碳吸附分离中的应用;陈爱兵等;《无机材料学报》;20150116;第30卷(第01期);9-16 * |
Also Published As
Publication number | Publication date |
---|---|
CN111146430A (zh) | 2020-05-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111146430B (zh) | 一种锂离子电池用多孔核壳结构硅碳负极材料的及其制备方法 | |
CN107507972B (zh) | 硅碳负极材料的制备方法、硅碳负极材料以及锂离子电池 | |
CN107785560B (zh) | 一种高性能硅碳负极材料及其制备方法 | |
CN108736007B (zh) | 一种高压实密度锂离子电池硅碳负极材料的制备方法 | |
CN107785541B (zh) | 一种锂离子电池用硅碳复合材料及其制备方法 | |
CN110400930A (zh) | 一种锂离子电池用硅碳负极材料及其制备方法 | |
CN110311125A (zh) | 一种锂离子电池用硅碳负极材料及其制备方法 | |
CN106848264A (zh) | 一种多孔硅氧化物锂离子电池负极材料及其制备方法 | |
CN106711461A (zh) | 一种球形多孔硅碳复合材料及其制备方法与用途 | |
JP2020510962A (ja) | 炭素系複合材料、その製造方法、およびそれを含むリチウムイオン二次電池 | |
WO2016201979A1 (zh) | 一种硅碳复合负极材料的制备方法 | |
CN103682287A (zh) | 一种锂离子电池硅基复合负极材料、制备方法及电池 | |
CN109616638B (zh) | 一种球形核壳结构混合石墨@硬碳复合材料及其制备方法和应用 | |
CN109103438B (zh) | 一种锂离子电池用核壳结构负极材料及其制备方法 | |
CN104638252A (zh) | 一种硅复合负极材料、制备方法及锂离子电池 | |
CN108365194B (zh) | 一种锂离子电池用复合负极材料的制备方法 | |
WO2019232879A1 (zh) | 一种硅负极材料、硅负极及硅负极的制备方法 | |
CN111430692A (zh) | 一种锂离子电池负极材料及其制备方法 | |
CN110808364A (zh) | 石墨烯硅基负极浆料、锂离子电池负极及其制备方法以及锂离子电池 | |
CN111477875B (zh) | 一种机械力制备锂电池双层锚固包覆硅碳负极材料的方法 | |
CN108682830B (zh) | 一种锂离子电池硅碳复合负极材料及其制备方法 | |
CN114044513A (zh) | 功率型锂离子电池用煤基石墨/碳复合负极材料的制备方法 | |
CN111864206B (zh) | 一种硬炭负极材料及其制备方法和包含其的极片以及锂离子电池 | |
CN111755676A (zh) | 一种锂离子电池用硅合金负极材料及其制备方法 | |
CN108258230B (zh) | 一种锂离子电池用中空结构硅碳负极材料及其制备方法 |
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 | ||
CP03 | Change of name, title or address |
Address after: 243100 Dangtu Economic Development Zone, Ma'anshan City, Anhui Province Patentee after: Anhui Keda Purui Energy Technology Co.,Ltd. Patentee after: ANHUI KEDA BORUI ENERGY TECHNOLOGY Co.,Ltd. Patentee after: Anhui Keda New Materials Co.,Ltd. Address before: 243100 Dangtu Economic Development Zone, Ma'anshan City, Anhui Province Patentee before: MAANSHAN KEDA PURUI ENERGY TECHNOLOGY Co.,Ltd. Patentee before: ANHUI KEDA BORUI ENERGY TECHNOLOGY Co.,Ltd. Patentee before: Anhui Keda New Materials Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240117 Address after: 405560 Jinlong Avenue, Tongliang District, Chongqing (self committed) Patentee after: Chongqing Keda New Energy Materials Co.,Ltd. Patentee after: Fujian Keda New Energy Technology Co.,Ltd. Patentee after: Anhui Keda New Materials Co.,Ltd. Address before: 243100 Dangtu Economic Development Zone, Ma'anshan City, Anhui Province Patentee before: Anhui Keda Purui Energy Technology Co.,Ltd. Patentee before: ANHUI KEDA BORUI ENERGY TECHNOLOGY Co.,Ltd. Patentee before: Anhui Keda New Materials Co.,Ltd. |
|
TR01 | Transfer of patent right |