CN114420918A - Preparation method of nano needle-shaped vanadium oxide zinc ion battery anode material with oxygen vacancy - Google Patents
Preparation method of nano needle-shaped vanadium oxide zinc ion battery anode material with oxygen vacancy Download PDFInfo
- Publication number
- CN114420918A CN114420918A CN202210094169.2A CN202210094169A CN114420918A CN 114420918 A CN114420918 A CN 114420918A CN 202210094169 A CN202210094169 A CN 202210094169A CN 114420918 A CN114420918 A CN 114420918A
- Authority
- CN
- China
- Prior art keywords
- zinc ion
- vanadium oxide
- ion battery
- anode material
- battery anode
- 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.)
- Pending
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 23
- 239000001301 oxygen Substances 0.000 title claims abstract description 23
- PJGYETVUTQUTEE-UHFFFAOYSA-N [O-2].[Zn+2].[V+5] Chemical compound [O-2].[Zn+2].[V+5] PJGYETVUTQUTEE-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000010405 anode material Substances 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims description 7
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 22
- 239000000243 solution Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 13
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 11
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 9
- 239000011259 mixed solution Substances 0.000 claims description 9
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 claims description 7
- 239000002243 precursor Substances 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 abstract description 14
- 229910001935 vanadium oxide Inorganic materials 0.000 abstract description 14
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 abstract description 13
- 239000007772 electrode material Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000011229 interlayer Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000001308 synthesis method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 15
- 239000010406 cathode material Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 229910052720 vanadium Inorganic materials 0.000 description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 4
- 238000002484 cyclic voltammetry Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000002135 nanosheet Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 238000000634 powder X-ray diffraction Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 239000006181 electrochemical material Substances 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- DCYOBGZUOMKFPA-UHFFFAOYSA-N iron(2+);iron(3+);octadecacyanide Chemical compound [Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCYOBGZUOMKFPA-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 229960003351 prussian blue Drugs 0.000 description 1
- 239000013225 prussian blue Substances 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- 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
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/38—Construction or manufacture
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to a method for preparing a nano needle-shaped vanadium oxide zinc ion battery anode material with oxygen vacancies. The invention has the following main advantages and beneficial effects: the raw materials for preparing the vanadium oxide electrode are convenient and easy to obtain, the resources are rich, and the cost is low; the used material synthesis method is simple to operate, high in safety and convenient for large-scale production; the electrode material has oxygen vacancies, enlarges the interlayer spacing, provides a zinc ion rapid transmission channel, has higher specific capacity when being applied to a zinc ion battery, shows better rate performance and stability, and is an electrode material with great potential.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of new energy materials and electrochemistry, and particularly relates to a preparation method of a nano needle-shaped vanadium oxide zinc ion battery anode material with oxygen vacancies and application of the nano needle-shaped vanadium oxide zinc ion battery anode material in a zinc ion battery.
[ background of the invention ]
At present, efficient cleaning of renewable energy sources is the main solution to cope with environmental burden and energy crisis, while electrochemical energy storage systems are the ones that achieve and guarantee the reliability and scalability of these renewable energy sourcesThe key is that. Among various electric energy storage systems, lithium ion batteries are widely used in intelligent electronics and electric vehicles due to their high energy density and long life. However, the limited storage of lithium is costly, and the poor safety of organic electrolytes hinders further applications. The water-based zinc ion battery has low cost, high safety and high theoretical capacity (820mAh g)-1) And low redox potential (-0.76V relative to standard hydrogen electrodes), and the like, and has been rapidly developed in recent years.
The electrode material has a decisive influence on the performance of the battery, and the common electrode materials in the zinc ion battery at present comprise manganese oxide, vanadium-based compounds, Prussian blue and the like. Wherein the vanadium-based oxide has 5+～3+Has sufficient zinc ion migration and active site regulation, and has become the most competitive zinc ion cathode material. However, the vanadium-based oxides have Zn due to poor conductivity and narrow interlayer spacing2+Diffusion kinetics are slow, and electrochemical performance of the electrochemical material is severely limited. Defects such as cation or anion vacancies are introduced into the crystal lattice, which can effectively improve the performance of the zinc ion battery by inhibiting unnecessary phase change and improving the conductivity. Oxygen defects have been shown to greatly enhance ion diffusion kinetics and promote ion insertion/extraction. Therefore, designing a vanadium oxide cathode containing oxygen defects would be to achieve superior Zn2+Efficient way of storing performance.
[ summary of the invention ]
Aiming at the requirements of people on high-performance energy storage equipment at the present stage, one of the purposes of the invention is to provide nano vanadium oxide with an oxygen vacancy structure and an excellent shape structure, wherein the chemical formula of the nano vanadium oxide is V3O7·H2The O and vanadium oxide is in the shape of a nanometer needle and grows uniformly on the carbon cloth.
The invention also aims to provide a preparation method of the vanadium oxide with the oxygen vacancy structure, which comprises the following steps:
(1) immersing carbon cloth in concentrated sulfuric acid for 24 hours, and then putting the carbon cloth into a mixed solution of absolute ethyl alcohol and water with a volume ratio of 1:4 for ultrasonic cleaning;
(2) dissolving a proper amount of ammonium metavanadate in a mixed solution of absolute ethyl alcohol and water in a volume ratio of 1:4, stirring and dissolving in a water bath of 60 □ ℃, adding a certain amount of thiourea, and then adjusting the pH value to 2 by using hydrochloric acid to obtain a precursor solution;
(3) and (3) uniformly stirring the precursor solution prepared in the step (2), moving the precursor solution into a hydrothermal reaction kettle, adding the carbon cloth prepared in the step (1), carrying out hydrothermal reaction for 2.5h at a certain temperature, naturally cooling, washing, and drying in vacuum to obtain the nano needle-like vanadium oxide zinc ion battery anode material with oxygen vacancies.
In the step (2), the use amount ratio of the ammonium metavanadate to the thiourea to the mixed solution of the absolute ethyl alcohol and the water with the volume ratio of 1:4 is 4mmol to 1mmol to 50 mL.
In the step (3), the hydrothermal reaction temperature is 90 ℃.
According to the invention, ammonium metavanadate and thiourea are used as raw materials, and vanadium oxide with a uniform shape and a nanoscale secondary structure is prepared by a hydrothermal method, is in a nano needle structure, has oxygen vacancies, and is favorable for ion transfer and electron transfer when used as an electrode material of a zinc ion battery, so that the vanadium oxide has excellent specific capacity and cycling stability.
The invention also provides application of the nano needle-shaped vanadium oxide zinc ion battery anode material with oxygen vacancy as a zinc ion battery electrode, which is applied to 0.3A g-1The specific capacity of the alloy reaches 496.5mAh g under the current density-1。
Compared with the prior art, the invention has the following main advantages and beneficial effects:
(1) the raw materials for preparing the vanadium oxide electrode are convenient and easy to obtain, the resources are rich, and the cost is low;
(2) the material synthesis method used in the invention has the advantages of simple operation, high safety and convenience for large-scale production;
(3) the electrode material disclosed by the invention has oxygen vacancies, enlarges the interlayer spacing, provides a zinc ion rapid transmission channel, has higher specific capacity when being applied to a zinc ion battery, shows better rate performance and stability, and is an electrode material with great potential.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a scanning electron microscope image of the nano needle-shaped vanadium oxide zinc ion battery cathode material with oxygen vacancy prepared in example 1.
Fig. 2 is a high-power transmission electron microscope image of the nano needle-shaped vanadium oxide zinc ion battery anode material with oxygen vacancies prepared in example 1.
Fig. 3 is an X-ray powder diffraction pattern of the nano acicular vanadium oxide zinc ion battery cathode material with oxygen vacancy prepared in example 1.
Fig. 4 is a cyclic voltammogram of the cathode materials of the nano needle-shaped vanadium oxide zinc ion battery having oxygen vacancies prepared in example 1, comparative example 1 and comparative example 2.
Fig. 5 is a constant current charge and discharge curve diagram of the cathode material of the nano needle-shaped vanadium oxide zinc ion battery with oxygen vacancy prepared in example 1, comparative example 1 and comparative example 2.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the examples of the present invention, are within the scope of the present invention.
[ example 1 ]
(1) Pretreatment of the carbon cloth: and (3) immersing the carbon cloth in concentrated sulfuric acid for 24 hours, and then putting the carbon cloth into a mixed solution of absolute ethyl alcohol and water with the volume ratio of 1:4 for ultrasonic cleaning.
(2) Dissolving 4mmol ammonium metavanadate in 50mL mixed solution of anhydrous ethanol and water with volume ratio of 1:4, stirring and dissolving in 60 deg.C water bath, adding 1mmol thiourea, and adding 3mol L-1Adjusting the pH value to 2 by hydrochloric acid to obtain a precursor solution;
(3) and (3) uniformly stirring the solution, then transferring the solution into a hydrothermal reaction kettle, adding a carbon cloth current collector, heating the solution in an oven at 90 ℃ for 2.5 hours, and naturally cooling the solution to obtain a product. And washing and vacuum drying the product to obtain the vanadium oxide material which can be directly used as a working electrode.
The scanning electron microscope image of the vanadium oxide electrode material shows that the material is in a nanometer needle shape and grows uniformly on the carbon cloth, and the high-power transmission electron microscope image can observe the fracture of crystal lattices, so that the existence of oxygen vacancies is proved. X-ray powder diffraction spectrum, strong peak position and V of vanadium oxide electrode material3O7·H2And O is consistent.
The cyclic voltammetry curve shows that the vanadium oxide electrode material of example 1 has the best electrochemical performance and has the s value of 1mV-1The cyclic voltammogram at the scanning speed of (a) shows that the vanadium oxide material has two pairs of distinct redox peaks. Constant current charge-discharge curve chart, test voltage range is 0.2-1.6V. At 0.3A g-1Specific capacity of 496.5mAh g for example 1 at current density of-1。
Comparative example 1
This comparative example is substantially the same as experimental steps (1) (3) in example 1 except that the amount of thiourea was different in step (2), and the amount of thiourea was 0 mmol.
Comparative example 2
This comparative example is substantially the same as experimental steps (1) (3) in example 1 except that the amount of thiourea was different in step (2), and the amount of thiourea was 3mmol in this comparative example.
Comparative example 3
Vanadium nanostructures with similar synthetic methods are exemplified (j.cao, d.zhang, y.yue, x.wang, t.pakornchote, t.bovornararaaks, x.zhang, z. -s.wu, j.qin, Nano Energy,2021,84, 105876).0.468g (4mmol) of ammonium metavanadate was dissolved in 50mL of deionized water at 70 ℃. Then, different amounts of thiourea (1, 2, 3 and 4mmol) were added to the solution. Thereafter, the pH of the solution was adjusted to about 2 with dilute sulfuric acid and maintained at 90 ℃ in an oil bath for a total of 2.5 hours to obtain a dark green solution. Naturally cooling to room temperature, collecting the product, washing with deionized water and ethanol, and drying at 60 deg.C in vacuum for 24 hr to obtain final product (NH)4)2V10O25·8H2And (3) O nanosheet. The nano-sheet is 0.1A g-1Specific capacity of 408mAh g at the current density of-1。
Prepared by the invention and has the chemical formula V3O7·H2The nanoneedle structure of O, while that of comparative example 3 was prepared with the chemical formula (NH)4)2V10O25·8H2Nanosheets of O. The synthesis method of comparative example 3 is similar to the synthesis step (2) of the present invention, except that: in the invention, carbon cloth is added in the synthesis process, but no carbon cloth is added in the comparative example 3; the solvent used in the synthesis step (2) of the present invention was a mixed solution of anhydrous ethanol and water in a volume ratio of 1:4, while comparative example 3 was deionized water; the synthesis step (3) of the present invention was a hydrothermal reaction at 90 ℃ whereas comparative example 3 was heating at 90 ℃ under normal pressure.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (3)
1. A preparation method of a nano needle-shaped vanadium oxide zinc ion battery anode material with oxygen vacancies is characterized by comprising the following steps:
(1) immersing carbon cloth in concentrated sulfuric acid for 24 hours, and then putting the carbon cloth into a mixed solution of absolute ethyl alcohol and water with a volume ratio of 1:4 for ultrasonic cleaning;
(2) dissolving appropriate amount of ammonium metavanadate in absolute ethanol and absolute ethanol with volume ratio of 1:4In a mixed solution of water, 60οC, stirring and dissolving in a water bath, adding a certain amount of thiourea, and then regulating the pH value to 2 by using hydrochloric acid to obtain a precursor solution;
(3) and (3) uniformly stirring the precursor solution prepared in the step (2), moving the precursor solution into a hydrothermal reaction kettle, adding the carbon cloth prepared in the step (1), carrying out hydrothermal reaction for 2.5h at a certain temperature, naturally cooling, washing, and drying in vacuum to obtain the nano needle-like vanadium oxide zinc ion battery anode material with oxygen vacancies.
2. The preparation method of the nano needle-shaped vanadium oxide zinc ion battery anode material with the oxygen vacancy, according to the claim 1, is characterized in that in the step (2), the use amount ratio of the ammonium metavanadate, the thiourea, the absolute ethyl alcohol and the water mixed solution with the volume ratio of 1:4 is 4mmol:1mmol:50 mL.
3. The preparation method of the nano acicular vanadium oxide zinc ion battery anode material with oxygen vacancy, according to the claim 1, is characterized in that, in the step (3), the hydrothermal reaction temperature is 90 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210094169.2A CN114420918A (en) | 2022-01-26 | 2022-01-26 | Preparation method of nano needle-shaped vanadium oxide zinc ion battery anode material with oxygen vacancy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210094169.2A CN114420918A (en) | 2022-01-26 | 2022-01-26 | Preparation method of nano needle-shaped vanadium oxide zinc ion battery anode material with oxygen vacancy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114420918A true CN114420918A (en) | 2022-04-29 |
Family
ID=81277025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210094169.2A Pending CN114420918A (en) | 2022-01-26 | 2022-01-26 | Preparation method of nano needle-shaped vanadium oxide zinc ion battery anode material with oxygen vacancy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114420918A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993908A (en) * | 2019-11-27 | 2020-04-10 | 浙江大学 | Vertical graphene/manganese dioxide composite material and preparation method and application thereof |
| CN112436118A (en) * | 2020-11-23 | 2021-03-02 | 华中农业大学 | VO2(B) Carbon cloth self-supporting material and preparation method and application thereof |
| CN112614987A (en) * | 2020-12-19 | 2021-04-06 | 清华大学深圳国际研究生院 | Positive electrode active material, preparation method thereof, positive electrode material, positive electrode and zinc ion battery |
| CN112864478A (en) * | 2021-01-11 | 2021-05-28 | 湖北大学 | Vanadium oxide-based water-based zinc ion battery, performance optimization method and positive electrode material |
-
2022
- 2022-01-26 CN CN202210094169.2A patent/CN114420918A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993908A (en) * | 2019-11-27 | 2020-04-10 | 浙江大学 | Vertical graphene/manganese dioxide composite material and preparation method and application thereof |
| CN112436118A (en) * | 2020-11-23 | 2021-03-02 | 华中农业大学 | VO2(B) Carbon cloth self-supporting material and preparation method and application thereof |
| CN112614987A (en) * | 2020-12-19 | 2021-04-06 | 清华大学深圳国际研究生院 | Positive electrode active material, preparation method thereof, positive electrode material, positive electrode and zinc ion battery |
| CN112864478A (en) * | 2021-01-11 | 2021-05-28 | 湖北大学 | Vanadium oxide-based water-based zinc ion battery, performance optimization method and positive electrode material |
Non-Patent Citations (1)
| Title |
|---|
| JIN CAO: "Oxygen defect enriched (NH4)2V10O25•8H2O nanosheets for superior aqueous zinc-ion batteries", 《NANO ENERGY》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111244422A (en) | Organic ion doped vanadium oxide positive electrode material for water-based zinc ion battery and preparation method and application thereof | |
| CN110642236B (en) | Zinc-based aqueous battery negative electrode material and preparation method thereof | |
| CN111180725A (en) | Method for preparing aluminum battery anode material by utilizing MOF (metal organic framework) to induce metal selenide | |
| CN112436118A (en) | VO2(B) Carbon cloth self-supporting material and preparation method and application thereof | |
| CN111943259B (en) | Carbon-coated mesoporous dual-phase titanium dioxide and preparation method and energy storage application thereof | |
| CN112234206B (en) | Method for preparing thin-layer graphene/transition metal fluoride composite positive active material by using antibiotic fungi residues | |
| CN111268677A (en) | Preparation method and application of novel lithium ion battery negative electrode material carbonized grape seed | |
| CN115594224A (en) | Recovery of waste liquid from production of lithium/sodium ion battery positive electrode material, obtained material and application | |
| CN108281620A (en) | A kind of preparation method of anode material of lithium-ion battery titanium dioxide | |
| CN116809925A (en) | Porous tin material and preparation method and application thereof | |
| CN114188521B (en) | Light coating layer on surface of graphite anode material of double-ion battery and preparation method | |
| CN116161698A (en) | Zinc-based battery positive electrode material and preparation method and use method thereof | |
| CN113921805B (en) | Preparation method of anion-doped vanadium trioxide positive electrode material for water-based zinc ion battery | |
| CN113816425B (en) | MoS 2 Nitrogen-doped carbon/modified activated carbon sodium ion battery negative electrode material and preparation method thereof | |
| CN111710532B (en) | Antimony trioxide-carbon nanotube composite material and preparation and application thereof | |
| CN113644269B (en) | Preparation method of nitrogen-doped hard carbon material, product and application thereof | |
| CN114420918A (en) | Preparation method of nano needle-shaped vanadium oxide zinc ion battery anode material with oxygen vacancy | |
| CN111740174B (en) | Application of high hydrogen evolution overpotential carbon material in lead/carbon battery | |
| CN114843459A (en) | Antimony pentasulfide-based material and preparation method and application thereof | |
| CN114388275A (en) | TiC nanotube array material and preparation method and application thereof | |
| CN114284492A (en) | Preparation method of quinonamine/Mxene organic electrode material | |
| CN112390284A (en) | Preparation method of tin oxide modified cobalt-zinc bimetallic organic framework derived carbon composite material | |
| CN112467070A (en) | Negative electrode material of sodium ion battery | |
| CN115536066B (en) | Preparation method and application of ammonium vanadate nanomaterial with ammonium ion part removed in advance | |
| LU500937B1 (en) | Micro-spherical zinc vanadate as well as preparation method and use thereof |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220429 |
|
| WD01 | Invention patent application deemed withdrawn after publication |