CN106335930B - Porous spherical cobaltosic oxide electrode material and its preparation method and application - Google Patents
Porous spherical cobaltosic oxide electrode material and its preparation method and application Download PDFInfo
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- CN106335930B CN106335930B CN201610670497.7A CN201610670497A CN106335930B CN 106335930 B CN106335930 B CN 106335930B CN 201610670497 A CN201610670497 A CN 201610670497A CN 106335930 B CN106335930 B CN 106335930B
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- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(2+);cobalt(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 239000007772 electrode material Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 32
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 21
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004202 carbamide Substances 0.000 claims abstract description 14
- 150000001868 cobalt Chemical class 0.000 claims abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 238000000889 atomisation Methods 0.000 claims abstract description 10
- 238000001354 calcination Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229910004786 P-Li Inorganic materials 0.000 claims description 5
- 239000002033 PVDF binder Substances 0.000 claims description 5
- 229910004796 P—Li Inorganic materials 0.000 claims description 5
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims description 3
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 229940011182 cobalt acetate Drugs 0.000 claims description 2
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims description 2
- 229910001981 cobalt nitrate Inorganic materials 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 abstract description 5
- 239000003792 electrolyte Substances 0.000 abstract description 5
- 230000008595 infiltration Effects 0.000 abstract description 5
- 238000001764 infiltration Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 7
- 238000001000 micrograph Methods 0.000 description 6
- 238000002604 ultrasonography Methods 0.000 description 6
- QGUAJWGNOXCYJF-UHFFFAOYSA-N cobalt dinitrate hexahydrate Chemical class O.O.O.O.O.O.[Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O QGUAJWGNOXCYJF-UHFFFAOYSA-N 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 125000005909 ethyl alcohol group Chemical group 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/04—Oxides; Hydroxides
-
- 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
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- 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
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- 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)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses the present invention provides a kind of porous spherical cobaltosic oxide electrode material and its preparation method and application, the preparation method includes：Cobalt salt, urea and solvent are mixed, solution M is formed；The solution M is heated after atomization, obtains spherical cobaltic-cobaltous oxide material；The spherical cobaltic-cobaltous oxide material is calcined, porous spherical cobaltosic oxide electrode material is obtained；The porous spherical cobaltosic oxide electrode material of preparation is spherical in shape, has porous structure, is conducive to the infiltration and diffusion of electrolyte, while convenient for the transmission of lithium ion；The porous spherical cobaltosic oxide electrode material has higher specific capacity.
Description
Technical field
The present invention relates to lithium ion battery electrode material fields, and in particular, to porous spherical cobaltosic oxide electrode material
Material and its preparation method and application.
Background technology
Lithium ion battery has voltage high, and electric discharge is steady, heavy-current discharge performance, higher than energy, pollution-free, cycle performance
The advantages that good.Lithium ion battery industry is increasingly ripe in recent years, and it is various to be therefore widely used in mobile phone, computer, automobile etc.
In product, improved as performance of lithium ion battery is continuously improved, the research of the positive electrode of lithium ion battery is also suggested higher
It is required that.
It is of increased attention as the 3d transition metal oxides of representative using cobaltosic oxide, in lithium-ion electric
The fields such as pond, fuel cell, ultracapacitor show preferable application prospect.In terms of lithium ion battery, four oxidations three
The reversible capacity of cobalt reaches twice or more of traditional carbon material.Battery-grade cobaltosic oxide is except requirement has higher purity and shakes
Real density is outer, its pattern, structure also have certain requirement.
Invention content
The object of the present invention is to provide a kind of porous spherical cobaltosic oxide electrode material and its preparation method and application, systems
The porous spherical cobaltosic oxide electrode material obtained is spherical in shape, has porous structure, is conducive to the infiltration and diffusion of electrolyte, together
When convenient for lithium ion transmission, tap density is high, utilizes lithium-ion electric made from the porous spherical cobaltosic oxide electrode material
Pond has higher specific capacity.
To achieve the goals above, the present invention provides a kind of preparation sides of porous spherical cobaltosic oxide electrode material
Method, the preparation method include：
(1) cobalt salt, urea and solvent are mixed, forms solution M；
(2) the solution M is heated after atomization, obtains spherical cobaltic-cobaltous oxide material；
(3) the spherical cobaltic-cobaltous oxide material is calcined, obtains porous spherical cobaltosic oxide electrode material.
The present invention also provides a kind of porous spherical cobaltosic oxide electrode material, the porous spherical cobaltosic oxide electricity
Pole material is made by above-mentioned preparation method.
The present invention also provides a kind of according to above-mentioned porous spherical cobaltosic oxide electrode material in lithium ion battery
Application.
Through the above technical solutions, the present invention provides a kind of porous spherical cobaltosic oxide electrode material and its preparation sides
Method and application, the preparation method include：Cobalt salt, urea and solvent are mixed, solution M is formed；By the solution M after atomization
It is heated, obtains spherical cobaltic-cobaltous oxide material；The spherical cobaltic-cobaltous oxide material is calcined, porous spherical is obtained
Cobaltosic oxide electrode material；The porous spherical cobaltosic oxide electrode material of preparation is spherical in shape, has porous structure, is conducive to
The infiltration and diffusion of electrolyte, while convenient for the transmission of lithium ion；The porous spherical cobaltosic oxide electrode material has higher
Specific capacity, discharge capacity is up to 1730mAh/g for the first time under 0.2C multiplying powers；Four oxygen that preparation method provided by the invention obtains
Change three cobalt scantlings at 1~4 micron, tap density is high；And this method is low for equipment requirements, and it can be with serialization, scale
Produced in enormous quantities.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the electron scanning micrograph of porous spherical cobaltosic oxide electrode material made from embodiment 1；
Fig. 2 is the electron scanning micrograph of porous spherical cobaltosic oxide electrode material made from embodiment 2；
Fig. 3 is the electron scanning micrograph of porous spherical cobaltosic oxide electrode material made from embodiment 3；
Fig. 4 is the electron scanning micrograph of porous spherical cobaltosic oxide electrode material made from embodiment 4；
Fig. 5 is the electron scanning micrograph of porous spherical cobaltosic oxide electrode material made from embodiment 5；
Fig. 6 is the electron scanning micrograph of porous spherical cobaltosic oxide electrode material made from comparative example 1；
Fig. 7 is the charging and discharging curve figure of lithium ion battery made from application examples 1.
Reference numeral
1- first time charging curve 11- first time discharge curves
2- second of charging curve 21-, second of discharge curve
3- third time charging curve 31- third time discharge curves
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of preparation methods of porous spherical cobaltosic oxide electrode material, wherein the preparation side
Method includes：Cobalt salt, urea and solvent are mixed, solution M is formed；The solution M is heated after atomization, obtains spherical shape four
Co 3 O material；The spherical cobaltic-cobaltous oxide material is calcined, porous spherical cobaltosic oxide electrode material is obtained.
In order to enable cobalt salt, urea and solvent can preferably dissolve each other, and in a kind of preferred embodiment of the present invention, institute
Stating preparation method further includes：Ultrasonic disperse is carried out after cobalt salt, urea and solvent are mixed, and the time of the ultrasonic disperse is 4-
6min。
In order to enable cobalt salt can preferably dissolve in a solvent, the solvent is deionized water and/or absolute ethyl alcohol.
Cobalt salt is one or more in cobalt nitrate, cobalt chloride and cobalt acetate in the present invention.
In a kind of preferred embodiment of the present invention, relative to the solvent of 20mL, the dosage of the cobalt salt is
The dosage of 0.002-0.04mol, the urea are not more than 1g.
In order to enable porous spherical cobaltosic oxide electrode material obtained have the excellent infiltration conducive to electrolyte and
The structure of diffusion, and its tap density is improved, the temperature heated in step (2) is 350-600 DEG C；The temperature calcined in step (3)
Degree is 300-800 DEG C, and the time of calcining is 1-10h.
The present invention also provides a kind of porous spherical cobaltosic oxide electrode material, the porous spherical cobaltosic oxide electricity
Pole material is made by above-mentioned preparation method.
The present invention also provides a kind of according to above-mentioned porous spherical cobaltosic oxide electrode material in lithium ion battery
Application, the application process is：Porous spherical cobaltosic oxide electrode material, super P-Li conductive blacks and PVDF are bonded
Agent is ground, and is tuned into uniform sizing material, is coated on copper foil, and sheet metal A1 is made；Sheet metal A1 obtained above is placed in lazy
Property gas in assemble, be made lithium ion battery；Wherein, relative to the porous spherical cobaltosic oxide electrode material of 70 parts by weight,
The dosage of the super P-Li conductive blacks is 18-22 parts by weight, and the dosage of the PVDF adhesives is 8-12 parts by weight.
The present invention will be described in detail by way of examples below.
Embodiment 1
8g cobalt nitrate hexahydrates, 0.25g urea and 20mL water are mixed into simultaneously ultrasound 5min, form solution M；By the solution M
(heating temperature is 350 DEG C) is heated after atomization, obtains spherical cobaltic-cobaltous oxide material；By the spherical cobaltic-cobaltous oxide
Material is calcined (temperature of calcining is 600 DEG C, calcination time 2h), obtains porous spherical cobaltosic oxide electrode material
A1；Its scanning electron microscope (SEM) photo such as Fig. 1.
Embodiment 2
8g cobalt nitrate hexahydrates, 0.5g urea and 20mL water are mixed into simultaneously ultrasound 5min, form solution M；The solution M is passed through
(heating temperature is 450 DEG C) is heated after atomization, obtains spherical cobaltic-cobaltous oxide material；By the spherical cobaltic-cobaltous oxide material
Material is calcined (temperature of calcining is 300 DEG C, calcination time 10h), obtains porous spherical cobaltosic oxide electrode material A2；
Its scanning electron microscope (SEM) photo such as Fig. 2.
Embodiment 3
8g cobalt nitrate hexahydrates, 1g urea and 20mL absolute ethyl alcohols are mixed into simultaneously ultrasound 5min, form solution M；It will be described molten
Liquid M is heated (heating temperature is 600 DEG C) after atomization, obtains spherical cobaltic-cobaltous oxide material；By spherical four oxidation
Three cobalt materials are calcined (temperature of calcining is 800 DEG C, calcination time 1h), obtain porous spherical cobaltosic oxide electrode material
Expect A3；Its scanning electron microscope (SEM) photo such as Fig. 3.
Embodiment 4
8g cobalt acetates, 0.5g urea and 20mL absolute ethyl alcohols are mixed into simultaneously ultrasound 5min, form solution M；By the solution M
(heating temperature is 600 DEG C) is heated after atomization, obtains spherical cobaltic-cobaltous oxide material；By the spherical cobaltic-cobaltous oxide
Material is calcined (temperature of calcining is 800 DEG C, calcination time 1h), obtains porous spherical cobaltosic oxide electrode material
A4；Its scanning electron microscope (SEM) photo such as Fig. 4.
Embodiment 5
8g cobalt chlorides, 0.5g urea and 20mL absolute ethyl alcohols are mixed into simultaneously ultrasound 5min, form solution M；By the solution M
(heating temperature is 600 DEG C) is heated after atomization, obtains spherical cobaltic-cobaltous oxide material；By the spherical cobaltic-cobaltous oxide
Material is calcined (temperature of calcining is 800 DEG C, calcination time 1h), obtains porous spherical cobaltosic oxide electrode material
A5；Its scanning electron microscope (SEM) photo such as Fig. 5.
Application examples 1
By porous spherical cobaltosic oxide electrode material 7g made from embodiment 1, super P-Li conductive blacks 2g and PVDF
Adhesive 10g is ground, and is tuned into uniform sizing material, is coated on copper foil, and sheet metal is made；Sheet metal obtained above is placed in
It is assembled in inert gas, lithium ion battery is made；And its charging and discharging curve under 0.2C multiplying powers is measured, see Fig. 7.
Comparative example 1
By 8g cobalt nitrate hexahydrates and 20ml water mixes and ultrasound 5min, forms solution M；The solution M is laggard through being atomized
Row heating (heating temperature is 350 DEG C), obtains spherical cobaltic-cobaltous oxide material；The spherical cobaltic-cobaltous oxide material is forged
(temperature of calcining is 600 DEG C, calcination time 2h) is burnt, porous spherical cobaltosic oxide electrode material D1 is obtained；It scans electricity
Sub- microscope (SEM) photo such as Fig. 6.
Porous spherical cobaltosic oxide electrode material A1-A5 produced within the scope of the present invention, it is spherical in shape, there is porous knot
Structure, is conducive to the infiltration and diffusion of electrolyte, while convenient for the transmission of lithium ion, and its size is at 1~4 micron, vibration density
Degree is high.Utilize lithium ion battery made from the porous spherical cobaltosic oxide electrode material, the electric discharge recycled for the first time, charge ratio
Capacity is respectively 1730mAh/g and 1411mAh/g, and efficiency for charge-discharge is up to 81.6%；The electric discharge of second of cycle, charging specific volume
Amount is respectively 1383mAh/g and 1368mAh/g, efficiency for charge-discharge 98.9%；The electric discharge of 5th cycle, charge specific capacity point
Not Wei 1403mAh/g and 1372mAh/g, efficiency for charge-discharge 97.8%, and show good cyclical stability, this spherical shape
Porous cobaltosic oxide is significantly higher than cobaltosic oxide as the specific capacity that lithium ion battery negative material is shown
Theoretical capacity (890mAh/g) has good application prospect.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (7)
1. a kind of preparation method of porous spherical cobaltosic oxide electrode material, which is characterized in that the preparation method is that：
(1) cobalt salt, urea and solvent are mixed, forms solution M；
(2) the solution M is heated after atomization, obtains spherical cobaltic-cobaltous oxide material；
(3) the spherical cobaltic-cobaltous oxide material is calcined, obtains porous spherical cobaltosic oxide electrode material；
Hybrid mode is ultrasonic disperse, and the time of the ultrasonic disperse is 4-6min；The solvent is deionized water and/or nothing
Water-ethanol；Relative to the solvent of 20mL, the dosage of the cobalt salt is 0.002-0.04mol, and the dosage of the urea is little
In 1g.
2. preparation method according to claim 1, wherein the cobalt salt is one in cobalt nitrate, cobalt chloride and cobalt acetate
Kind is a variety of.
3. preparation method according to claim 1, wherein the temperature heated in step (2) is 350-600 DEG C.
4. preparation method according to claim 1, wherein the temperature calcined in step (3) is 300-800 DEG C, calcining
Time is 1-10h.
5. a kind of porous spherical cobaltosic oxide electrode material, which is characterized in that the porous spherical cobaltosic oxide electrode material
Material is made by the preparation method described in any one of claim 1-4.
6. a kind of application of porous spherical cobaltosic oxide electrode material according to claim 5 in lithium ion battery；
The application process is：By porous spherical cobaltosic oxide electrode material, super P-Li conductive blacks and PVDF adhesives
It is ground, and is tuned into uniform sizing material, coat on copper foil, sheet metal A1 is made；Sheet metal A1 obtained above is placed in inertia
It is assembled in gas, lithium ion battery is made.
7. application according to claim 6, which is characterized in that the porous spherical cobaltosic oxide electricity relative to 70 parts by weight
The dosage of pole material, the super P-Li conductive blacks is 18-22 parts by weight, and the dosage of the PVDF adhesives is 8-12 weight
Part.
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| CN108946825B (en) * | 2018-09-14 | 2020-07-03 | 兰州金川新材料科技股份有限公司 | Preparation method of small-particle-size cobaltosic oxide |
| CN108946824B (en) * | 2018-09-14 | 2020-04-07 | 兰州金川新材料科技股份有限公司 | Preparation method of large-particle-size cobaltosic oxide |
| CN109205684B (en) * | 2018-09-14 | 2020-07-03 | 兰州金川新材料科技股份有限公司 | Preparation method of small-particle-size cobaltosic oxide |
| CN110112391B (en) * | 2019-05-10 | 2021-08-27 | 安徽师范大学 | Spherical carbon-coated cobaltosic oxide composite material and preparation method and application thereof |
| CN114242960A (en) * | 2021-10-28 | 2022-03-25 | 广东邦普循环科技有限公司 | Hollow spherical particle anode material with opening and preparation method and application thereof |
| CN114804220B (en) * | 2022-04-25 | 2023-07-07 | 广东邦普循环科技有限公司 | Porous spherical cobalt oxide particles and preparation method thereof |
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| CN103145199A (en) * | 2013-03-08 | 2013-06-12 | 南昌大学 | Preparation method of cobalt oxide/graphene composite nano material |
| CN104803423A (en) * | 2015-04-03 | 2015-07-29 | 安徽师范大学 | Preparation method and application of porous cobaltosic oxide material |
| CN104843753A (en) * | 2015-05-22 | 2015-08-19 | 鸿福晶体科技(安徽)有限公司 | Method for preparing porous spherical high-purity alumina powder |
| CN105198006A (en) * | 2015-07-02 | 2015-12-30 | 苏州科技学院 | Application of porous cobaltosic oxide |
| CN105289433A (en) * | 2015-11-24 | 2016-02-03 | 河南师范大学 | Method for large-scale preparation of transition metal oxide porous microsphere |
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