CN106374101A - Preparation method and application of Co<3>O<4>@Co@ carbon nanometer cage - Google Patents
Preparation method and application of Co<3>O<4>@Co@ carbon nanometer cage Download PDFInfo
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- CN106374101A CN106374101A CN201610823321.0A CN201610823321A CN106374101A CN 106374101 A CN106374101 A CN 106374101A CN 201610823321 A CN201610823321 A CN 201610823321A CN 106374101 A CN106374101 A CN 106374101A
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- 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
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- 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
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- 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
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- 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
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- 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
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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
Abstract
The invention discloses a preparation method and an application of a Co<3>O<4>@Co@ carbon nanometer cage. The preparation method comprises the steps of dropwise adding a Co(NO<3>)<2>.6H<2>O solution into a 2-methylimidazole solution, stirring, and reacting, and then performing centrifuging, washing, drying and calcining in different steps and carbonizing, and processing in the air at a temperature of 200-230 DEG C to prepare the Co<3>O<4>@Co@ carbon nanometer cage. According to the preparation method, simple and convenient operation, low cost, high purity, excellent performance and batch synthesis are realized; the prepared Co<3>O<4>@Co@ carbon nanometer cage shows relatively high coulombic efficiency and excellent cycling stability; the initial discharge capacity reaches 1,052 mAh/g, the charging capacity reaches 851 mAh/g, and initial coulombic efficiency is as high as 81%; and the capacity still can be kept at 765 mAh/g at current density of 0.2A/g after 100 times of cycles, so that excellent cycling stability is shown.
Description
Technical field
The invention belongs to field of compound material is and in particular to a kind of co3o4The preparation method of@co@nano cages and its should
With.
Background technology
The small volume that lithium ion battery has because of it, lightweight, voltage is high, and self discharge is little, good rate capability, environment friend
Good, it is widely applied the advantages of specific energy is high.Currently it is mainly used in mobile electronic device, national defense industry, electronic vapour
The fields such as car.Electrode material is the core of lithium ion battery, is also the key factor determining performance of lithium ion battery.Mesh
Before, traditional graphite cathode material theoretical specific capacity is 372 mah/g, can not meet height ratio capacity lithium ion battery of new generation
The demand of negative material.Transition metal oxide is due to having higher theoretical capacity and good chemical property and than relatively low
The advantages of honest and clean cost, it is expected to become preferable lithium ion battery negative material.But, there is conductivity in transition metal oxide
The shortcomings of granule atomization and reunion in low, charge and discharge process, Lithium-ion embeding abjection and the change in volume that produces are very big, leads to
Its capacity attenuation is fast, high rate performance is poor and first coulombic efficiency low, these shortcomings limit their application.The group of electrode material
One-tenth, the impact to its chemical property of structure and pattern are most important.By design and the optimization of synthesis route, construct
There is the transition metal oxide combination electrode material of special construction and pattern, excellent chemical property can be made it have.
Content of the invention
Present invention aims to prior art is not enough, provide a kind of co3o4The preparation method of@co@nano cages and
Its application.The present invention passes through synthesis cobalt-based metal organic frame, and then prepares co3o4The composite Nano material of@co@nano cages
Material, shows higher coulombic efficiency and excellent cyclical stability.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of co3o4The preparation method of@co@nano cages, specifically includes following steps:
(1) by the co (no of 0.35-0.5 g3)2·6h2The 2-methylimidazole of o and 4-6 g is dissolved in 4-6 ml and 18-22 ml respectively
Deionized water in, after being completely dissolved, obtain co (no3)2·6h2O solution and 2-methylimidazole solution；
(2) co (no that step (1) is obtained3)2·6h2O solution is dropwise added drop-wise in 2-methylimidazole solution, at 20-25 DEG C
Stirring 4-12 h is reacted, and the rotating speed of stirring is 90-130 r/min；
(3) reaction is centrifuged after terminating and is collected reaction product, and subsequent deionized water and ethanol are each to gained product
It is dried after washing 3 times, subsequently carries out step calcination carbonization, first roasting 2 h at 400 DEG C, then roasting 3h at 600 DEG C；
(4) by the material obtaining after step (3) step calcination carbonization, 200-230 DEG C of process 40-130 min obtains in atmosphere
co3o4@co@nano cages.
Prepared co3o4@co@nano cages are as lithium ion battery negative material.Lithium ion battery assembles: in mass ratio
co3o4@co@nano cages: politef: after acetylene black=75-85:5-10:10-15 mixed grinding, be uniformly coated to
1.3 cm2Copper sheet on do negative pole, just extremely lithium metal, electrolyte is the ec+dec+dmc solution of 1 m lipf6, ec+dec+
In dmc solution, ec, dec and dmc mix for 1:1:1 by volume；All assemblings are carried out all in the glove box full of argon.
The beneficial effects of the present invention is: the present invention provides a kind of co first3o4The preparation method of@co@nano cages,
It is easy and simple to handle, low cost, purity high, excellent performance, can synthesize in a large number.Obtained co3o4@co@nano cages show
Higher coulombic efficiency and excellent cyclical stability, first discharge capacity reach 1052 mah/g, charging capacity reaches 851 mah/
G, its first coulombic efficiency be up to 81%；Under the electric current density of 0.2 a/g after 100 cyclic processes, its capacity still may be used
It is maintained at 765 mah/g, show excellent cyclical stability.
Brief description
Fig. 1 is co3o4The xrd figure of@co@nano cages；
Fig. 2 is co3o4(a) low power of@co@nano cages and (b) high power sem are schemed；
Fig. 3 is co3o4@co@carbon cage is as the charging and discharging curve of negative pole；
Fig. 4 is co3o4@co@carbon cage is as the cyclic curve figure of negative pole.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described, but the present invention is not limited only to these embodiments.
Embodiment 1
A kind of co3o4The preparation method of@co@nano cages, specifically includes following steps:
(1) by the co (no of 0.35 g3)2·6h2The 2-methylimidazole of o and 4 g is dissolved in 4 ml and the deionized water of 18 ml respectively
In, after being completely dissolved, obtain co (no3)2·6h2O solution and 2-methylimidazole solution；
(2) co (no that step (1) is obtained3)2·6h2O solution is dropwise added drop-wise in 2-methylimidazole solution, stirs at 20 DEG C
Mix 4 h to be reacted, the rotating speed of stirring is 130 r/min；
(3) reaction is centrifuged after terminating and is collected reaction product, and subsequent deionized water and ethanol are each to gained product
It is dried after washing 3 times, subsequently carries out step calcination carbonization, first roasting 2 h at 400 DEG C, then roasting 3h at 600 DEG C；
(4) by the material obtaining after step (3) step calcination carbonization, 200 DEG C of process 130 min obtain co in atmosphere3o4@
Co@nano cages.
Prepared co3o4@co@nano cages are as lithium ion battery negative material.Lithium ion battery assembles: in mass ratio
co3o4@co@nano cages: politef: after acetylene black=75:5:10 mixed grinding, be uniformly coated to 1.3 cm2Copper
Negative pole is done on piece, just extremely lithium metal, electrolyte is the ec+dec+dmc solution of 1 m lipf6, ec in ec+dec+dmc solution,
Dec and dmc mixes for 1:1:1 by volume；All assemblings are carried out all in the glove box full of argon.
Embodiment 2
A kind of co3o4The preparation method of@co@nano cages, specifically includes following steps:
(1) by the co (no of 0.5 g3)2·6h2The 2-methylimidazole of o and 6 g is dissolved in 6 ml and the deionized water of 22 ml respectively
In, after being completely dissolved, obtain co (no3)2·6h2O solution and 2-methylimidazole solution；
(2) co (no that step (1) is obtained3)2·6h2O solution is dropwise added drop-wise in 2-methylimidazole solution, stirs at 25 DEG C
Mix 12 h to be reacted, the rotating speed of stirring is 90 r/min；
(3) reaction is centrifuged after terminating and is collected reaction product, and subsequent deionized water and ethanol are each to gained product
It is dried after washing 3 times, subsequently carries out step calcination carbonization, first roasting 2 h at 400 DEG C, then roasting 3h at 600 DEG C；
(4) by the material obtaining after step (3) step calcination carbonization, 230 DEG C of process 40 min obtain co in atmosphere3o4@co@
Nano cages.
Prepared co3o4@co@nano cages are as lithium ion battery negative material.Lithium ion battery assembles: in mass ratio
co3o4@co@nano cages: politef: after acetylene black=85:10:15 mixed grinding, be uniformly coated to 1.3 cm2's
Negative pole is done on copper sheet, just extremely lithium metal, electrolyte is the ec+dec+dmc solution of 1 m lipf6, in ec+dec+dmc solution
Ec, dec and dmc mix for 1:1:1 by volume；All assemblings are carried out all in the glove box full of argon.
Embodiment 3
A kind of co3o4The preparation method of@co@nano cages, specifically includes following steps:
(1) by the co (no of 0.42 g3)2·6h2The 2-methylimidazole of o and 5 g is dissolved in 5 ml and the deionized water of 20 ml respectively
In, after being completely dissolved, obtain co (no3)2·6h2O solution and 2-methylimidazole solution；
(2) co (no that step (1) is obtained3)2·6h2O solution is dropwise added drop-wise in 2-methylimidazole solution, stirs at 22 DEG C
Mix 8 h to be reacted, the rotating speed of stirring is 110 r/min；
(3) reaction is centrifuged after terminating and is collected reaction product, and subsequent deionized water and ethanol are each to gained product
It is dried after washing 3 times, subsequently carries out step calcination carbonization, first roasting 2 h at 400 DEG C, then roasting 3h at 600 DEG C；
(4) by the material obtaining after step (3) step calcination carbonization, 215 DEG C of process 85 min obtain co in atmosphere3o4@co@
Nano cages.
Prepared co3o4@co@nano cages are as lithium ion battery negative material.Lithium ion battery assembles: in mass ratio
co3o4@co@nano cages: politef: after acetylene black=80:7.5:12.5 mixed grinding, be uniformly coated to 1.3 cm2
Copper sheet on do negative pole, just extremely lithium metal, electrolyte is the ec+dec+dmc solution of 1 m lipf6, ec+dec+dmc solution
Middle ec, dec and dmc mix for 1:1:1 by volume；All assemblings are carried out all in the glove box full of argon.
The main diffraction peak that can be seen that prepared sample from Fig. 1 x- ray powder diffraction analysis figure is attributed to spinelle
co3o4(jcpds pdf#42-1467), in addition with a small amount of metal co(pdf#15-0806), illustrate that prepared sample is four
Co 3 O and the complex of a small amount of cobalt simple substance.After calcining carbonization, the material of complex is polyhedron as can be seen from Figure 2
Pattern, particle diameter is in 400-600 nm；From its high power sem figure can be seen that be uniform-distribution with above carbon cage Cobalto-cobaltic oxide and
Cobalt simple substance, also can be observed carbon cage and breach, and thus explanation carbon cage is hollow-core construction.In the present invention, can by rotating speed Lai
Adjust the size of predecessor particle diameter.Charging and discharging curve figure as Fig. 3 can be seen that, co3o4The discharge capacity first of@co@nano cages
Reach 1052 mah/g, charging capacity reaches 851 mah/g, its first coulombic efficiency be up to 81%.Knowable to the circulation figure of Fig. 4,0.2
Under the electric current density of a/g after 100 cyclic processes, its capacity may remain in 765 mah/g, shows excellent
Cyclical stability.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modify, all should belong to the covering scope of the present invention.
Claims (5)
1. a kind of co3o4The preparation method of@co@nano cages it is characterised in that: specifically include following steps:
(1) by the co (no of 0.35-0.5 g3)2·6h2The 2-methylimidazole of o and 4-6 g is dissolved in 4-6 ml and 18-22 ml respectively
Deionized water in, after being completely dissolved, obtain co (no3)2·6h2O solution and 2-methylimidazole solution；
(2) co (no that step (1) is obtained3)2·6h2O solution is dropwise added drop-wise in 2-methylimidazole solution, at 20-25 DEG C
Stirring 4-12 h is reacted；
(3) reaction is centrifuged after terminating and is collected reaction product, and subsequent deionized water and ethanol are each to gained product
It is dried after washing 3 times, subsequently carry out step calcination carbonization；
(4) by the material obtaining after step (3) step calcination carbonization, 200-230 DEG C of process 40-130 min obtains in atmosphere
co3o4@co@nano cages.
2. co according to claim 13o4The preparation method of@co@nano cages it is characterised in that: stirring in step (2)
Rotating speed be 90-130 r/min.
3. co according to claim 13o4The preparation method of@co@nano cages it is characterised in that: substep in step (3)
Calcining carbonization process is: first roasting 2 h at 400 DEG C, then roasting 3h at 600 DEG C.
4. the co that a kind of preparation method as claimed in claim 1 is obtained3o4The application of@co@nano cages it is characterised in that: institute
State co3o4@co@nano cages are as lithium ion battery negative material.
5. according to claim 4 application it is characterised in that: lithium ion battery assembling: co in mass ratio3o4@co@carbon is received
Rice cage: politef: after acetylene black=75-85:5-10:10-15 mixed grinding, be uniformly coated to 1.3 cm2Copper sheet
On do negative pole, just extremely lithium metal, electrolyte is the ec+dec+dmc solution of 1 m lipf6, ec in ec+dec+dmc solution,
Dec and dmc mixes for 1:1:1 by volume；All assemblings are carried out all in the glove box full of argon.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946789A (en) * | 2017-04-05 | 2017-07-14 | 哈尔滨工业大学 | A kind of two-dimentional porous metals cobalt complex and its preparation method and application |
| CN107159297A (en) * | 2017-06-21 | 2017-09-15 | 黑龙江大学 | A kind of difunctional VPO catalysts cobalt/cobaltosic oxide/nitrogen carbon composite and preparation method thereof |
| CN107437617A (en) * | 2017-08-28 | 2017-12-05 | 武汉理工大学 | A kind of surface modification method, gained richness lithium material and application for improving rich lithium material chemical property |
| CN108325529A (en) * | 2018-01-26 | 2018-07-27 | 新疆大学 | A kind of photocatalysis water oxidation catalyst and preparation method thereof |
| CN109809498A (en) * | 2019-02-03 | 2019-05-28 | 复旦大学 | A kind of three-dimensional multistage hole cobaltosic oxide material and its preparation method and application |
| CN110284153A (en) * | 2018-03-19 | 2019-09-27 | 天津大学 | A kind of cobalt/cobalt protoxide porous nano-sheet array composite material and its preparation method and application |
| CN110364710A (en) * | 2019-07-02 | 2019-10-22 | 华南理工大学 | High-performance manganese-based zinc ion battery positive electrode material and preparation method and application thereof |
| CN114853567A (en) * | 2022-06-16 | 2022-08-05 | 南京工业大学 | Catalyst for preparing low-carbon alcohol by carbon dioxide conversion, and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659192A (en) * | 2012-04-27 | 2012-09-12 | 浙江大学 | Cobalt oxide anode material, amorphous carbon coated cobalt oxide anode material and preparation method and application of cobalt oxide anode material and amorphous carbon coated cobalt oxide anode material |
| CN102842710A (en) * | 2012-07-18 | 2012-12-26 | 上海大学 | Preparation method of Co3O4/graphene nanocomposite material |
| CN103094559A (en) * | 2013-01-31 | 2013-05-08 | 湘潭大学 | Co3O4/C lithium ion battery cathode material and preparation method thereof |
-
2016
- 2016-09-14 CN CN201610823321.0A patent/CN106374101B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659192A (en) * | 2012-04-27 | 2012-09-12 | 浙江大学 | Cobalt oxide anode material, amorphous carbon coated cobalt oxide anode material and preparation method and application of cobalt oxide anode material and amorphous carbon coated cobalt oxide anode material |
| CN102842710A (en) * | 2012-07-18 | 2012-12-26 | 上海大学 | Preparation method of Co3O4/graphene nanocomposite material |
| CN103094559A (en) * | 2013-01-31 | 2013-05-08 | 湘潭大学 | Co3O4/C lithium ion battery cathode material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| YING WANG ET AL.: ""Facile synthesis of nanocage Co3O4 for advanced lithium-ion batteries"", 《JOURNAL OF POWER SOURCES》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946789A (en) * | 2017-04-05 | 2017-07-14 | 哈尔滨工业大学 | A kind of two-dimentional porous metals cobalt complex and its preparation method and application |
| CN107159297A (en) * | 2017-06-21 | 2017-09-15 | 黑龙江大学 | A kind of difunctional VPO catalysts cobalt/cobaltosic oxide/nitrogen carbon composite and preparation method thereof |
| CN107159297B (en) * | 2017-06-21 | 2020-03-27 | 黑龙江大学 | Double-function oxygen catalyst cobalt/cobaltosic oxide/nitrogen carbon composite material and preparation method thereof |
| CN107437617A (en) * | 2017-08-28 | 2017-12-05 | 武汉理工大学 | A kind of surface modification method, gained richness lithium material and application for improving rich lithium material chemical property |
| CN107437617B (en) * | 2017-08-28 | 2019-11-26 | 武汉理工大学 | A kind of surface modification method, gained richness lithium material and application improving rich lithium material chemical property |
| CN108325529A (en) * | 2018-01-26 | 2018-07-27 | 新疆大学 | A kind of photocatalysis water oxidation catalyst and preparation method thereof |
| CN110284153A (en) * | 2018-03-19 | 2019-09-27 | 天津大学 | A kind of cobalt/cobalt protoxide porous nano-sheet array composite material and its preparation method and application |
| CN110284153B (en) * | 2018-03-19 | 2021-06-01 | 天津大学 | Cobalt/cobaltous oxide porous nanosheet array composite material and preparation method and application thereof |
| CN109809498A (en) * | 2019-02-03 | 2019-05-28 | 复旦大学 | A kind of three-dimensional multistage hole cobaltosic oxide material and its preparation method and application |
| CN110364710A (en) * | 2019-07-02 | 2019-10-22 | 华南理工大学 | High-performance manganese-based zinc ion battery positive electrode material and preparation method and application thereof |
| CN114853567A (en) * | 2022-06-16 | 2022-08-05 | 南京工业大学 | Catalyst for preparing low-carbon alcohol by carbon dioxide conversion, and preparation method and application thereof |
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