CN105244481A - Lithium iron phosphate cathode material with carbon coating in situ and preparation method thereof - Google Patents
Lithium iron phosphate cathode material with carbon coating in situ and preparation method thereof Download PDFInfo
- Publication number
- CN105244481A CN105244481A CN201510555704.XA CN201510555704A CN105244481A CN 105244481 A CN105244481 A CN 105244481A CN 201510555704 A CN201510555704 A CN 201510555704A CN 105244481 A CN105244481 A CN 105244481A
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- CN
- China
- Prior art keywords
- preparation
- lithium ion
- positive electrode
- product
- ion batteries
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- 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.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 24
- 239000011248 coating agent Substances 0.000 title claims abstract description 11
- 238000000576 coating method Methods 0.000 title claims abstract description 11
- 239000010406 cathode material Substances 0.000 title abstract 5
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title abstract 5
- 238000000498 ball milling Methods 0.000 claims abstract description 34
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 23
- 239000002243 precursor Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000007791 liquid phase Substances 0.000 claims abstract description 11
- 239000000243 solution Substances 0.000 claims description 41
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 33
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 30
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 239000000725 suspension Substances 0.000 claims description 24
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical group CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 21
- 239000012153 distilled water Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 16
- 229910052744 lithium Inorganic materials 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 235000006408 oxalic acid Nutrition 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 9
- 229940062993 ferrous oxalate Drugs 0.000 claims description 9
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 239000011574 phosphorus Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000007790 solid phase Substances 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 4
- 239000006183 anode active material Substances 0.000 claims description 4
- 229910013553 LiNO Inorganic materials 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 239000006258 conductive agent Substances 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 2
- 239000013543 active substance Substances 0.000 abstract 2
- 229910003481 amorphous carbon Inorganic materials 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 230000004087 circulation Effects 0.000 description 8
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 6
- 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 6
- 229930006000 Sucrose Natural products 0.000 description 6
- 239000011149 active material Substances 0.000 description 6
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 6
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 6
- 235000019837 monoammonium phosphate Nutrition 0.000 description 6
- 239000005720 sucrose Substances 0.000 description 6
- 238000011056 performance test Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 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 description 4
- 229910052493 LiFePO4 Inorganic materials 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 239000008103 glucose Substances 0.000 description 4
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 4
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910010710 LiFePO Inorganic materials 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- PQVSTLUFSYVLTO-UHFFFAOYSA-N ethyl n-ethoxycarbonylcarbamate Chemical compound CCOC(=O)NC(=O)OCC PQVSTLUFSYVLTO-UHFFFAOYSA-N 0.000 description 2
- GLXDVVHUTZTUQK-UHFFFAOYSA-M lithium hydroxide monohydrate Substances [Li+].O.[OH-] GLXDVVHUTZTUQK-UHFFFAOYSA-M 0.000 description 2
- 229940040692 lithium hydroxide monohydrate Drugs 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002389 environmental scanning electron microscopy Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 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
-
- 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
- H01M4/58—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
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- 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
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- 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)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510555704.XA CN105244481B (en) | 2015-09-02 | 2015-09-02 | A kind of carbon-coated LiFePO 4 for lithium ion batteries positive electrode in situ and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510555704.XA CN105244481B (en) | 2015-09-02 | 2015-09-02 | A kind of carbon-coated LiFePO 4 for lithium ion batteries positive electrode in situ and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
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CN105244481A true CN105244481A (en) | 2016-01-13 |
CN105244481B CN105244481B (en) | 2017-12-08 |
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CN201510555704.XA Active CN105244481B (en) | 2015-09-02 | 2015-09-02 | A kind of carbon-coated LiFePO 4 for lithium ion batteries positive electrode in situ and preparation method thereof |
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CN (1) | CN105244481B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107359336A (en) * | 2017-07-12 | 2017-11-17 | 北方奥钛纳米技术有限公司 | The preparation method and LiFePO4 and lithium ion battery of LiFePO4 |
CN108172813A (en) * | 2018-02-01 | 2018-06-15 | 广东工业大学 | A kind of composite positive pole and preparation method thereof |
CN112794301A (en) * | 2021-01-06 | 2021-05-14 | 中国地质大学(武汉) | Grid-structured carbon-coated lithium iron phosphate nano-particles and preparation method and application thereof |
CN113540410A (en) * | 2021-07-12 | 2021-10-22 | 天津大学 | Preparation method and application of lithium iron phosphate cathode material synthesized by rapid high-temperature thermal shock method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104409688A (en) * | 2014-10-29 | 2015-03-11 | 中航锂电(洛阳)有限公司 | Lithium iron phosphate material for lithium ion power battery, and preparation method thereof |
-
2015
- 2015-09-02 CN CN201510555704.XA patent/CN105244481B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104409688A (en) * | 2014-10-29 | 2015-03-11 | 中航锂电(洛阳)有限公司 | Lithium iron phosphate material for lithium ion power battery, and preparation method thereof |
Non-Patent Citations (1)
Title |
---|
XINGCHAO WANG ET AL: ""Preparation and characterization of high-rate and long-cycle LiFePO4/C nanocomposite as cathode material for lithium-ion battery"", 《J SOLID STATE ELECTROCHEM》 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107359336A (en) * | 2017-07-12 | 2017-11-17 | 北方奥钛纳米技术有限公司 | The preparation method and LiFePO4 and lithium ion battery of LiFePO4 |
CN108172813A (en) * | 2018-02-01 | 2018-06-15 | 广东工业大学 | A kind of composite positive pole and preparation method thereof |
CN108172813B (en) * | 2018-02-01 | 2020-12-08 | 广东工业大学 | Composite cathode material and preparation method thereof |
CN112794301A (en) * | 2021-01-06 | 2021-05-14 | 中国地质大学(武汉) | Grid-structured carbon-coated lithium iron phosphate nano-particles and preparation method and application thereof |
CN112794301B (en) * | 2021-01-06 | 2022-08-09 | 中国地质大学(武汉) | Grid-structured carbon-coated lithium iron phosphate nano-particles and preparation method and application thereof |
CN113540410A (en) * | 2021-07-12 | 2021-10-22 | 天津大学 | Preparation method and application of lithium iron phosphate cathode material synthesized by rapid high-temperature thermal shock method |
Also Published As
Publication number | Publication date |
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CN105244481B (en) | 2017-12-08 |
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Effective date of registration: 20220720 Address after: 430000 room 306, door 2, building 23, Luojiashan ninth district, Wuchang District, Wuhan City, Hubei Province Patentee after: Cao Yuliang Address before: 430000 in science and Technology Park of University of science and technology, Donghu high tech Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN LIGONG LIQIANG ENERGY Co.,Ltd. |
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Effective date of registration: 20231013 Address after: 430000 in science and Technology Park of University of science and technology, Donghu high tech Development Zone, Wuhan City, Hubei Province Patentee after: WUHAN LIGONG LIQIANG ENERGY Co.,Ltd. Address before: 430000 room 306, door 2, building 23, Luojiashan ninth district, Wuchang District, Wuhan City, Hubei Province Patentee before: Cao Yuliang |
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