CN115072796B - 一种电池正极材料的制备方法及其应用 - Google Patents
一种电池正极材料的制备方法及其应用 Download PDFInfo
- Publication number
- CN115072796B CN115072796B CN202111169436.XA CN202111169436A CN115072796B CN 115072796 B CN115072796 B CN 115072796B CN 202111169436 A CN202111169436 A CN 202111169436A CN 115072796 B CN115072796 B CN 115072796B
- Authority
- CN
- China
- Prior art keywords
- sintering
- electrode material
- primary
- lithium
- battery
- 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
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000010405 anode material Substances 0.000 title abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 64
- 238000005245 sintering Methods 0.000 claims abstract description 54
- 239000007772 electrode material Substances 0.000 claims abstract description 38
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000654 additive Substances 0.000 claims abstract description 26
- 230000000996 additive effect Effects 0.000 claims abstract description 26
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 26
- 239000002243 precursor Substances 0.000 claims abstract description 26
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 21
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 8
- 229910002096 lithium permanganate Inorganic materials 0.000 claims description 18
- 239000010406 cathode material Substances 0.000 claims description 17
- 239000007774 positive electrode material Substances 0.000 claims description 13
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical group [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 12
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 12
- 239000000347 magnesium hydroxide Substances 0.000 claims description 12
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 12
- 239000011572 manganese Substances 0.000 claims description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- SEVNKUSLDMZOTL-UHFFFAOYSA-H cobalt(2+);manganese(2+);nickel(2+);hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mn+2].[Co+2].[Ni+2] SEVNKUSLDMZOTL-UHFFFAOYSA-H 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 229910052863 mullite Inorganic materials 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 238000007873 sieving Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002103 nanocoating Substances 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 229910015118 LiMO Inorganic materials 0.000 description 3
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 3
- 229910001947 lithium oxide Inorganic materials 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical group [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Nickelates
- C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
- C01G53/44—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese
- C01G53/50—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese of the type [MnO2]n-, e.g. Li(NixMn1-x)O2, Li(MyNixMn1-x-y)O2
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/10—Preparation or treatment, e.g. separation or purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/218—Yttrium oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F5/00—Compounds of magnesium
- C01F5/02—Magnesia
- C01F5/06—Magnesia by thermal decomposition of magnesium compounds
- C01F5/08—Magnesia by thermal decomposition of magnesium compounds by calcining magnesium hydroxide
-
- 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
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/502—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese for non-aqueous cells
-
- 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
- H01M4/523—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron for non-aqueous cells
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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
- H01M2004/028—Positive 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)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Composite Materials (AREA)
- Analytical Chemistry (AREA)
- Thermal Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
容量保持率(%) | |
实施例1 | 89.8 |
实施例2 | 86.8 |
实施例3 | 84.1 |
实施例4 | 85.3 |
实施例5 | 84.2 |
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111169436.XA CN115072796B (zh) | 2021-10-08 | 2021-10-08 | 一种电池正极材料的制备方法及其应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111169436.XA CN115072796B (zh) | 2021-10-08 | 2021-10-08 | 一种电池正极材料的制备方法及其应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN115072796A CN115072796A (zh) | 2022-09-20 |
CN115072796B true CN115072796B (zh) | 2024-04-02 |
Family
ID=83246130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111169436.XA Active CN115072796B (zh) | 2021-10-08 | 2021-10-08 | 一种电池正极材料的制备方法及其应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115072796B (zh) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107293721A (zh) * | 2017-07-07 | 2017-10-24 | 淮安新能源材料技术研究院 | 一种523型镍钴锰三元正极材料固相制备方法及其产品 |
CN108199021A (zh) * | 2017-12-29 | 2018-06-22 | 青海泰丰先行锂能科技有限公司 | 一种锂离子电池大晶粒体三元正极材料及其制备方法 |
CN110534733A (zh) * | 2019-07-21 | 2019-12-03 | 浙江美都海创锂电科技有限公司 | 一种大单晶锂离子电池镍钴锰酸锂正极材料制备方法 |
CN111063881A (zh) * | 2019-12-23 | 2020-04-24 | 北京理工大学重庆创新中心 | 一种通过调节锂源氧化改性ncm三元正极材料的制备方法 |
CN111628157A (zh) * | 2020-06-30 | 2020-09-04 | 蜂巢能源科技有限公司 | 正极材料、其制备方法及锂离子电池 |
WO2021136243A1 (zh) * | 2019-12-30 | 2021-07-08 | 北京当升材料科技股份有限公司 | 改性镍钴铝酸锂正极材料及其制备方法与应用 |
-
2021
- 2021-10-08 CN CN202111169436.XA patent/CN115072796B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107293721A (zh) * | 2017-07-07 | 2017-10-24 | 淮安新能源材料技术研究院 | 一种523型镍钴锰三元正极材料固相制备方法及其产品 |
CN108199021A (zh) * | 2017-12-29 | 2018-06-22 | 青海泰丰先行锂能科技有限公司 | 一种锂离子电池大晶粒体三元正极材料及其制备方法 |
CN110534733A (zh) * | 2019-07-21 | 2019-12-03 | 浙江美都海创锂电科技有限公司 | 一种大单晶锂离子电池镍钴锰酸锂正极材料制备方法 |
CN111063881A (zh) * | 2019-12-23 | 2020-04-24 | 北京理工大学重庆创新中心 | 一种通过调节锂源氧化改性ncm三元正极材料的制备方法 |
WO2021136243A1 (zh) * | 2019-12-30 | 2021-07-08 | 北京当升材料科技股份有限公司 | 改性镍钴铝酸锂正极材料及其制备方法与应用 |
CN111628157A (zh) * | 2020-06-30 | 2020-09-04 | 蜂巢能源科技有限公司 | 正极材料、其制备方法及锂离子电池 |
Also Published As
Publication number | Publication date |
---|---|
CN115072796A (zh) | 2022-09-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109888235A (zh) | 一种级配高镍三元正极材料及其制备方法和应用 | |
JP4063350B2 (ja) | ゾル−ゲル法を利用した複合酸化物の製造方法 | |
CN112582594B (zh) | 一种无钴单晶正极材料及其制备方法和应用 | |
CN108557905A (zh) | 一种富锂锰基材料前驱体及其制备方法、富锂锰基正极材料及其制备方法、锂电池 | |
CN110459760B (zh) | 一种制备镍钴锰酸锂单晶三元材料的方法 | |
CN110233250A (zh) | 一种单晶颗粒三元正极材料的制备方法 | |
CN112018372A (zh) | 一种单晶三元正极材料及其制备方法以及锂离子电池 | |
CN113353995B (zh) | 一种具有低钴含量的正极材料及其制备方法和应用 | |
JPH0922693A (ja) | 非水電解液電池およびその正極活物質と正極板の製造法 | |
CN110391417B (zh) | 一种类单晶富锂锰基正极材料的制备方法 | |
CN112010358A (zh) | 碳掺杂三元前驱体、其制备方法、三元正极材料和锂离子电池 | |
CN114243014A (zh) | 一种单晶三元正极材料及其制备方法和应用 | |
CN111009656A (zh) | 一种稀土金属掺杂的高镍三元电池正极材料的制备方法 | |
CN113388882A (zh) | 一种三元单晶材料的制备方法 | |
CN110606509B (zh) | 球形锰酸锂正极材料及其制备方法和应用 | |
CN113113590A (zh) | 一种核壳结构的单晶正极材料及其制备方法 | |
CN111785947A (zh) | 一种复合负极材料及其制备方法和应用 | |
CN108511749A (zh) | 掺杂铜镍酸锂正极材料及其制备方法和锂离子电池 | |
CN114426313A (zh) | 一种高能量密度三元正极材料及其制备方法和应用 | |
JPH09251854A (ja) | 非水電解液二次電池用正極活物質の製造方法 | |
CN108511697A (zh) | 铜镍酸锂正极材料及其制备方法和锂离子电池 | |
CN116646512A (zh) | 一种锰酸锂正极材料及其制备方法和应用 | |
CN115072796B (zh) | 一种电池正极材料的制备方法及其应用 | |
CN115084457A (zh) | 一种高压实长寿命三元正极材料及其制备方法 | |
CN114695875A (zh) | 一种高容量单晶三元正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 | ||
CP03 | Change of name, title or address |
Address after: No. 581, Baohu West Road, Xixia District, Yinchuan, Ningxia 750021 Patentee after: Ningxia Hanyao Lithium Technology Co.,Ltd. Country or region after: China Patentee after: Ningxia hanghan graphene Technology Research Institute (Co.,Ltd.) Address before: No. 581, baohu West Road, Xixia District, Yinchuan City, Ningxia Hui Autonomous Region, 750000 Patentee before: NINGXIA HANYAO GRAPHENE ENERGY STORAGE MATERIAL TECHNOLOGY Co.,Ltd. Country or region before: China Patentee before: Ningxia hanghan graphene Technology Research Institute (Co.,Ltd.) |