CN107946552A - 一种用于锂电池的负极活性材料及其制备方法 - Google Patents
一种用于锂电池的负极活性材料及其制备方法 Download PDFInfo
- Publication number
- CN107946552A CN107946552A CN201711008263.7A CN201711008263A CN107946552A CN 107946552 A CN107946552 A CN 107946552A CN 201711008263 A CN201711008263 A CN 201711008263A CN 107946552 A CN107946552 A CN 107946552A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- negative
- active core
- preparation
- shell 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.)
- Granted
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 51
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000011258 core-shell material Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 25
- 239000010432 diamond Substances 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 24
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 17
- 235000013312 flour Nutrition 0.000 claims abstract description 17
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 17
- 230000008021 deposition Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- 238000005245 sintering Methods 0.000 claims abstract description 5
- 238000000151 deposition Methods 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 19
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 239000011259 mixed solution Substances 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 12
- 239000011812 mixed powder Substances 0.000 claims description 10
- 238000007654 immersion Methods 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 238000004062 sedimentation Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000004108 freeze drying Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 238000007731 hot pressing Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 16
- 239000010406 cathode material Substances 0.000 abstract description 16
- 229910052710 silicon Inorganic materials 0.000 abstract description 16
- 239000010703 silicon Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 235000013339 cereals Nutrition 0.000 abstract description 3
- 238000010410 dusting Methods 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 abstract description 2
- 238000005554 pickling Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 239000003643 water by type Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000009831 deintercalation Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910010661 Li22Si5 Inorganic materials 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052718 tin Inorganic materials 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
-
- 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
-
- 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
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
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CN201711008263.7A CN107946552B (zh) | 2017-10-25 | 2017-10-25 | 一种用于锂电池的负极活性材料及其制备方法 |
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CN201711008263.7A CN107946552B (zh) | 2017-10-25 | 2017-10-25 | 一种用于锂电池的负极活性材料及其制备方法 |
Publications (2)
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CN107946552A true CN107946552A (zh) | 2018-04-20 |
CN107946552B CN107946552B (zh) | 2019-11-22 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109546152A (zh) * | 2018-11-13 | 2019-03-29 | 南昌大学 | 一种全固态锂电池电极材料及其制备方法 |
CN110931788A (zh) * | 2019-10-31 | 2020-03-27 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池石墨负极材料及其制备方法 |
CN112331913A (zh) * | 2020-12-28 | 2021-02-05 | 郑州中科新兴产业技术研究院 | 复合固态电解质、制备方法及应用 |
CN116742106A (zh) * | 2022-10-11 | 2023-09-12 | 荣耀终端有限公司 | 一种电池模组、充电控制方法和电子设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102605345A (zh) * | 2012-03-13 | 2012-07-25 | 天津理工大学 | 一种硅基纳米金刚石薄膜的制备方法 |
CN105070894A (zh) * | 2015-07-31 | 2015-11-18 | 深圳市贝特瑞新能源材料股份有限公司 | 一种锂离子电池用多孔硅基复合负极材料、制备方法及用途 |
CN106611843A (zh) * | 2016-12-26 | 2017-05-03 | 东北大学 | 多孔硅/石墨烯复合的锂离子电池负极材料的制备方法 |
CN106920954A (zh) * | 2017-05-05 | 2017-07-04 | 北京科技大学 | 一种石墨烯包覆多孔硅复合负极材料的制备及应用方法 |
-
2017
- 2017-10-25 CN CN201711008263.7A patent/CN107946552B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102605345A (zh) * | 2012-03-13 | 2012-07-25 | 天津理工大学 | 一种硅基纳米金刚石薄膜的制备方法 |
CN105070894A (zh) * | 2015-07-31 | 2015-11-18 | 深圳市贝特瑞新能源材料股份有限公司 | 一种锂离子电池用多孔硅基复合负极材料、制备方法及用途 |
CN106611843A (zh) * | 2016-12-26 | 2017-05-03 | 东北大学 | 多孔硅/石墨烯复合的锂离子电池负极材料的制备方法 |
CN106920954A (zh) * | 2017-05-05 | 2017-07-04 | 北京科技大学 | 一种石墨烯包覆多孔硅复合负极材料的制备及应用方法 |
Non-Patent Citations (1)
Title |
---|
郑颖等: "锂离子电池用多孔硅/石墨/碳复合负极材料的研究", 《无机化学学报》 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109546152A (zh) * | 2018-11-13 | 2019-03-29 | 南昌大学 | 一种全固态锂电池电极材料及其制备方法 |
CN110931788A (zh) * | 2019-10-31 | 2020-03-27 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池石墨负极材料及其制备方法 |
CN112331913A (zh) * | 2020-12-28 | 2021-02-05 | 郑州中科新兴产业技术研究院 | 复合固态电解质、制备方法及应用 |
CN112331913B (zh) * | 2020-12-28 | 2022-09-09 | 郑州中科新兴产业技术研究院 | 复合固态电解质、制备方法及应用 |
CN116742106A (zh) * | 2022-10-11 | 2023-09-12 | 荣耀终端有限公司 | 一种电池模组、充电控制方法和电子设备 |
CN116742106B (zh) * | 2022-10-11 | 2024-05-17 | 荣耀终端有限公司 | 一种电池模组、充电控制方法和电子设备 |
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CN107946552B (zh) | 2019-11-22 |
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Effective date of registration: 20191025 Address after: 013450, the Inner Mongolia Autonomous Region Wulanchabu Shangdu County seven mayor Sheng Industrial Park Applicant after: Inner Mongolia Hengke New Material Technology Co.,Ltd. Address before: No. 019, new group of Wang Yang village, Ma Temple Town, Huaining County, Anqing, Anhui Province Applicant before: Wang Tao |
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Denomination of invention: A negative electrode active material for lithium batteries and its preparation method Effective date of registration: 20230629 Granted publication date: 20191122 Pledgee: Bank of China Limited Ulanqab branch Pledgor: Inner Mongolia Hengke New Material Technology Co.,Ltd. Registration number: Y2023150000103 |
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Granted publication date: 20191122 Pledgee: Bank of China Limited Ulanqab branch Pledgor: Inner Mongolia Hengke New Material Technology Co.,Ltd. Registration number: Y2023150000103 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A negative electrode active material for lithium batteries and its preparation method Granted publication date: 20191122 Pledgee: Bank of China Limited Ulanqab branch Pledgor: Inner Mongolia Hengke New Material Technology Co.,Ltd. Registration number: Y2024150000070 |
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