CN107994219A - 一种石墨烯包覆金属掺杂复合正极材料及其制备方法 - Google Patents
一种石墨烯包覆金属掺杂复合正极材料及其制备方法 Download PDFInfo
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- CN107994219A CN107994219A CN201711203352.7A CN201711203352A CN107994219A CN 107994219 A CN107994219 A CN 107994219A CN 201711203352 A CN201711203352 A CN 201711203352A CN 107994219 A CN107994219 A CN 107994219A
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- metal
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- graphite
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 55
- 239000002131 composite material Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 48
- 239000002184 metal Substances 0.000 claims abstract description 48
- 150000003839 salts Chemical class 0.000 claims abstract description 33
- 229910002804 graphite Inorganic materials 0.000 claims description 56
- 239000010439 graphite Substances 0.000 claims description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000725 suspension Substances 0.000 claims description 15
- 239000012286 potassium permanganate Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 9
- 238000007873 sieving Methods 0.000 claims description 8
- 239000012153 distilled water Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 239000002243 precursor Substances 0.000 claims description 2
- 238000000967 suction filtration Methods 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 229910052738 indium Inorganic materials 0.000 claims 1
- 229910001960 metal nitrate Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000005185 salting out Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- -1 graphite alkene Chemical class 0.000 description 7
- 238000005245 sintering Methods 0.000 description 7
- 241000370738 Chlorion Species 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 6
- 235000011613 Pinus brutia Nutrition 0.000 description 6
- 241000018646 Pinus brutia Species 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 229910017604 nitric acid Inorganic materials 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000004080 punching Methods 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000001291 vacuum drying Methods 0.000 description 6
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 5
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 125000005909 ethyl alcohol group Chemical group 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000002079 cooperative effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical class CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 235000019439 ethyl acetate Nutrition 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- OVAQODDUFGFVPR-UHFFFAOYSA-N lithium cobalt(2+) dioxido(dioxo)manganese Chemical compound [Li+].[Mn](=O)(=O)([O-])[O-].[Co+2] OVAQODDUFGFVPR-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 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
- H01M4/366—Composites as layered products
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- 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
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
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CN201711203352.7A CN107994219B (zh) | 2017-11-27 | 2017-11-27 | 一种石墨烯包覆金属掺杂复合正极材料及其制备方法 |
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CN201711203352.7A CN107994219B (zh) | 2017-11-27 | 2017-11-27 | 一种石墨烯包覆金属掺杂复合正极材料及其制备方法 |
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CN107994219A true CN107994219A (zh) | 2018-05-04 |
CN107994219B CN107994219B (zh) | 2021-11-05 |
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Cited By (8)
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CN108550833A (zh) * | 2018-05-18 | 2018-09-18 | 宁德新能源科技有限公司 | 一种正极材料及锂离子电池 |
CN109256537A (zh) * | 2018-08-04 | 2019-01-22 | 浙江瓦力新能源科技有限公司 | 一种改性镍钴铝三元正极材料及其制备方法 |
CN109638282A (zh) * | 2018-12-19 | 2019-04-16 | 中科廊坊过程工程研究院 | 一种包覆型磷酸铁锂正极材料及其制备方法和应用 |
CN110459741A (zh) * | 2019-07-18 | 2019-11-15 | 桑顿新能源科技(长沙)有限公司 | 复合三元正极材料及制备方法、正极极片、锂离子电池 |
CN114530594A (zh) * | 2021-12-27 | 2022-05-24 | 杭州华宏通信设备有限公司 | 一种高电导长循环磷酸铁锂电池及其制备方法 |
CN114538421A (zh) * | 2021-12-17 | 2022-05-27 | 杭州华宏通信设备有限公司 | 一种石墨烯改性磷酸铁锂正极材料的制备方法 |
CN115148945A (zh) * | 2022-06-24 | 2022-10-04 | 广东墨睿科技有限公司 | 一种高镍三元正极材料的改性方法 |
CN116130623A (zh) * | 2022-12-20 | 2023-05-16 | 湖南法恩莱特新能源科技有限公司 | 一种石墨烯锂电池复合材料及其制备方法和应用 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101373829A (zh) * | 2008-10-07 | 2009-02-25 | 深圳市贝特瑞新能源材料股份有限公司 | 钛系负极活性物质及其制备方法、钛系锂离子动力电池 |
CN102339994A (zh) * | 2010-07-23 | 2012-02-01 | 中国科学院宁波材料技术与工程研究所 | 锂电池用过渡金属氧化物/石墨烯纳米复合电极材料及其制备方法 |
CN103022463A (zh) * | 2012-12-20 | 2013-04-03 | 中国东方电气集团有限公司 | 一种锂电池锰基复合负极材料及其制备方法 |
CN103094540A (zh) * | 2013-01-06 | 2013-05-08 | 中物院成都科学技术发展中心 | 石墨烯与金属氧化物/金属化合物的复合方法及其复合材料 |
CN103400967A (zh) * | 2013-07-18 | 2013-11-20 | 上海交通大学 | 三维多孔的钴基/石墨烯复合材料及其制备方法 |
CN104043825A (zh) * | 2014-06-30 | 2014-09-17 | 中国科学技术大学 | 一种以金属盐析法制备的石墨烯金属复合材料及其制备方法 |
CN104979557A (zh) * | 2015-05-19 | 2015-10-14 | 深圳好电科技有限公司 | 一种高倍率磷酸铁锂正极材料及电池极片 |
CN105226276A (zh) * | 2015-07-20 | 2016-01-06 | 合肥国轩高科动力能源有限公司 | 一种金属纳米颗粒/石墨烯复合磷酸铁锂材料的制备方法 |
US9484158B2 (en) * | 2012-02-17 | 2016-11-01 | The Trustees Of Princeton University | Graphene-ionic liquid composites |
CN106410187A (zh) * | 2016-10-18 | 2017-02-15 | 荆门市格林美新材料有限公司 | 一种掺杂改性的镍钴铝酸锂正极材料的制备方法 |
CN106876696A (zh) * | 2017-02-23 | 2017-06-20 | 燕园众欣纳米科技(北京)有限公司 | 一种金属氧化物/石墨烯复合物的制备方法 |
-
2017
- 2017-11-27 CN CN201711203352.7A patent/CN107994219B/zh active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101373829A (zh) * | 2008-10-07 | 2009-02-25 | 深圳市贝特瑞新能源材料股份有限公司 | 钛系负极活性物质及其制备方法、钛系锂离子动力电池 |
CN102339994A (zh) * | 2010-07-23 | 2012-02-01 | 中国科学院宁波材料技术与工程研究所 | 锂电池用过渡金属氧化物/石墨烯纳米复合电极材料及其制备方法 |
US9484158B2 (en) * | 2012-02-17 | 2016-11-01 | The Trustees Of Princeton University | Graphene-ionic liquid composites |
CN103022463A (zh) * | 2012-12-20 | 2013-04-03 | 中国东方电气集团有限公司 | 一种锂电池锰基复合负极材料及其制备方法 |
CN103094540A (zh) * | 2013-01-06 | 2013-05-08 | 中物院成都科学技术发展中心 | 石墨烯与金属氧化物/金属化合物的复合方法及其复合材料 |
CN103400967A (zh) * | 2013-07-18 | 2013-11-20 | 上海交通大学 | 三维多孔的钴基/石墨烯复合材料及其制备方法 |
CN104043825A (zh) * | 2014-06-30 | 2014-09-17 | 中国科学技术大学 | 一种以金属盐析法制备的石墨烯金属复合材料及其制备方法 |
CN104979557A (zh) * | 2015-05-19 | 2015-10-14 | 深圳好电科技有限公司 | 一种高倍率磷酸铁锂正极材料及电池极片 |
CN105226276A (zh) * | 2015-07-20 | 2016-01-06 | 合肥国轩高科动力能源有限公司 | 一种金属纳米颗粒/石墨烯复合磷酸铁锂材料的制备方法 |
CN106410187A (zh) * | 2016-10-18 | 2017-02-15 | 荆门市格林美新材料有限公司 | 一种掺杂改性的镍钴铝酸锂正极材料的制备方法 |
CN106876696A (zh) * | 2017-02-23 | 2017-06-20 | 燕园众欣纳米科技(北京)有限公司 | 一种金属氧化物/石墨烯复合物的制备方法 |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108550833A (zh) * | 2018-05-18 | 2018-09-18 | 宁德新能源科技有限公司 | 一种正极材料及锂离子电池 |
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CN116130623B (zh) * | 2022-12-20 | 2024-03-19 | 湖南法恩莱特新能源科技有限公司 | 一种石墨烯锂电池复合材料及其制备方法和应用 |
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