CN113054183A - Preparation method of CoNi bimetal organic framework derived carbon-sulfur composite material - Google Patents
Preparation method of CoNi bimetal organic framework derived carbon-sulfur composite material Download PDFInfo
- Publication number
- CN113054183A CN113054183A CN202110268582.1A CN202110268582A CN113054183A CN 113054183 A CN113054183 A CN 113054183A CN 202110268582 A CN202110268582 A CN 202110268582A CN 113054183 A CN113054183 A CN 113054183A
- Authority
- CN
- China
- Prior art keywords
- coni
- derived carbon
- sulfur
- composite material
- organic framework
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
-
- 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
-
- 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
- H01M4/04—Processes of manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to a preparation method of a CoNi bimetallic organic framework derived carbon-sulfur composite material, belonging to the technical field of preparation of energy storage materials and lithium-sulfur battery anode materials. The composite material prepared by the invention firstly takes metal salt as a substrate, an organic ligand and an organic solvent are added, the MOFs nano material is obtained by the metal salt through room temperature standing, hydrothermal reaction or solvothermal reaction and is taken as a precursor, then the precursor is carbonized, and then the carbonized product is used for fixing sulfur, so that the CoNi bimetal organic framework derived carbon-sulfur composite material is obtained. The carbonized product has larger specific surface area and better conductivity, contains metal particles, has good sulfur fixing effect, and can effectively inhibit the shuttle effect of the polysulfide intermediate in the electrolyte. The composite material prepared by the invention also has the advantages of good cycling stability, relatively high capacity, simple preparation, easily obtained raw materials, being beneficial to accelerating the commercialization of the lithium-sulfur battery and the like, and has good application prospect.
Description
Technical Field
The invention belongs to the technical safety field of preparation of energy storage materials and lithium-sulfur battery cathode materials, and particularly relates to a preparation method of a CoNi bimetallic organic framework derived carbon-sulfur composite material and application of the CoNi bimetallic organic framework derived carbon-sulfur composite material in a lithium-sulfur battery cathode material.
Background
In recent years, with the rapid development of large-scale electric energy storage system industries represented by the fields of portable electronic devices, electric vehicles, and modern power grids, higher requirements are put on the energy density of energy storage devices. The lithium ion battery which is commercialized at present has the advantages of long cycle life, good safety and the like, and is widely applied to market electronic and electric equipment, but is limited by the relatively low theoretical specific capacity of 300mAh/g, so that the requirement of social development on high specific energy of the battery is obviously difficult to meet. The lithium-sulfur battery has the extremely high theoretical specific capacity of 1675mAh/g (10 times higher than that of the lithium ion battery) and the energy density of 2600Wh/kg (5 times higher than that of the lithium ion battery), is low in price, environment-friendly and rich in sulfur storage capacity, and is recognized as the most promising sustainable energy source in application. However, there are still many problems to be solved urgently in the lithium-sulfur battery: 1) inherently low conductivity of sulfur and discharge product Li2S/Li2S2The formation of (a) results in low utilization of active substances, so that the cycling ability and rate capability are low; 2) during the charging and discharging process, the structural change and the volume expansion can generate lithium dendrite to puncture the diaphragm; 3) the presence of intermediate lithium polysulphides produces a shuttling effect, leading to unavoidable capacity fading and low coulombic efficiency.
Currently, in order to solve the above problems, researchers have generally adopted a method of improving a sulfur positive electrode to improve electrochemical performance of a lithium sulfur battery. Generally, porous carbon is prepared to block and adsorb polysulfide ions, so that the dissolution loss of the polysulfide ions is reduced, and effective sulfur fixation is realized. However, since the intermediate product lithium polysulfide formed during the cycling process dissolves into the ether-based electrolyte, the chemical potential between the two electrodesAnd the solution diffuses to a lithium anode through a diaphragm under the action of concentration difference and is reduced into short-chain insoluble polysulfide Li2S and Li2S2And deposits on the surface of the lithium anode, resulting in degradation of the battery capacity and damage to the metallic lithium. In addition, sulfur and lithium sulfide both have lower lithium ion diffusion coefficients, and due to the properties, the sulfur and the lithium sulfide have electrical insulation and ionic insulation, are simply compounded with porous carbon, have low electrical conductivity, and cause lower electrochemical dynamics of the lithium-sulfur battery in the charging and discharging processes. Meanwhile, the insulation characteristic increases the internal resistance of the battery, limits the full utilization of active materials and reduces the rate capability.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provides a preparation method of a CoNi bimetallic organic framework derived carbon-sulfur composite material and application of the CoNi bimetallic organic framework derived carbon-sulfur composite material in a lithium-sulfur battery positive electrode material. The CoNi bimetallic MOF derived carbon material with high specific surface area is prepared, has good conductivity, is compounded with sulfur to obtain a stable composite material, and has good sulfur fixing effect; the obtained composite material is used as a positive electrode material to be applied to the lithium-sulfur battery, so that the charge and discharge capacity, the cycling stability and the coulombic efficiency of the lithium-sulfur battery are effectively improved, and the composite material has great research value and commercial value.
In order to solve the technical problem, an embodiment of the present invention provides a method for preparing a carbon-sulfur composite material derived from a CoNi bimetallic organic framework, including the following steps:
step 1, uniformly mixing 1-2 parts by weight of Co salt, 1-2 parts by weight of Ni salt, 1-2 parts by weight of organic ligand and 80-100 parts by weight of organic solvent, and standing at room temperature, carrying out hydrothermal reaction or solvothermal reaction to obtain a CoNi bimetallic organic framework (MOF) material;
step 2, placing the CoNi bimetal MOF material into a tubular furnace, heating the temperature from room temperature to 600-1000 ℃ under the atmosphere of inert gas, preserving the heat for 1-3 h, naturally cooling the material to room temperature along with the furnace, and taking out the material to obtain a CoNi bimetal MOF derived carbon material;
step 3, uniformly mixing the CoNi bimetal MOF derived carbon material with sulfur powder, placing the mixture in a tubular furnace, heating the mixture from room temperature to 155-300 ℃ in an inert gas atmosphere, preserving the heat for 12-24 hours, naturally cooling the mixture to room temperature along with the furnace, and taking the mixture out to obtain a CoNi bimetal organic framework derived carbon-sulfur composite material; wherein the mass ratio of the CoNi bimetallic MOF derived carbon material to the sulfur powder is 1: (1.5-4).
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the Co salt is cobalt acetylacetonate, and the Ni salt is nickel acetylacetonate.
Further, the organic ligand is 1,2,3, 4-butanetetracarboxylic acid.
Further, the organic solvent is methanol, diethanol or N, N-dimethylformamide.
Further, the solvent thermal reaction is carried out in a water bath kettle or an oil bath kettle.
Further, the inert gas is argon.
Further, the mixture of the CoNi bimetallic MOF derived carbon material and sulfur powder is completed in a ball mill, and the ball milling frequency is 31.66 Hz-37.66 Hz.
Further, the heating rate is 2-5 ℃/min.
In order to solve the technical problem, an embodiment of the invention provides an application of the CoNi bimetallic organic framework derived carbon-sulfur composite material obtained by the method in a lithium-sulfur battery cathode material.
Compared with the prior art, the invention has the beneficial effects that:
1. the CoNi bimetallic organic framework derived carbon provided by the invention is used as a carbon material, has a large specific surface area and a diversified pore structure, and Co Ni bimetallic particles provide more active sites for sulfur loading, so that the charge-discharge capacity of the carbon material is effectively improved.
2. The nano-porous carbon material obtained by the invention has a CoNi novel bimetallic MOF structure, can improve the inherent conductivity of the carbon material, and realizes a good sulfur fixation effect in a physical and chemical mode; the obtained composite material is used as a positive electrode material to be applied to the lithium-sulfur battery, and the cycling stability of the battery is effectively improved.
3. The composite material obtained by the invention is used as a positive electrode material to be applied to the lithium-sulfur battery, so that the charge and discharge capacity, the cycling stability and the coulombic efficiency of the lithium-sulfur battery are effectively improved, and the composite material has a good application prospect.
4. The preparation method provided by the invention is simple, the raw materials are easy to obtain, the period is short, and the preparation method is suitable for large-scale industrial production.
Drawings
FIG. 1 is a diagram showing the specific surface area (BET diagram) of a Co-Ni bimetallic MOF-derived carbon material obtained in example 1 of the present invention;
FIG. 2 is an X-ray diffraction pattern of a Co-Ni bimetallic MOF derived carbon material obtained in example 1 of the present invention;
FIG. 3 is a scanning electron micrograph of (a) a Co-Ni bimetallic MOF material, (b) a Co-Ni bimetallic MOF derived carbon material and (c) a Co-Ni bimetallic MOF derived carbon-sulfur composite material obtained in example 2 of the present invention;
FIG. 4 is a thermogravimetric plot of the Co-Ni bimetallic MOF derived carbon-sulfur composite obtained in example 2 of the present invention;
fig. 5 is a first-turn charge-discharge curve of the Co-Ni bimetallic MOF-derived carbon-sulfur composite positive electrode material obtained in example 3 of the present invention at a current density of 0.1C;
fig. 6 is a rate performance graph of the Co-Ni bimetallic MOF-derived carbon-sulfur composite positive electrode material obtained in example 3 of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
A preparation method of a CoNi bimetal organic framework derived carbon-sulfur composite material comprises the following steps:
step 1, dissolving 1.1g of cobalt acetylacetonate and 1.1g of nickel acetylacetonate in 100mL of anhydrous methanol to obtain a solution A; then 1g of 1,2,3, 4-butanetetracarboxylic acid was dissolved in 100mL of anhydrous methanol to obtain a B solution; dropwise adding the solution A into the solution B by using a dropper, and tightly sealing the obtained solution by using a preservative film after the solution A is completely added; stirring the solution on a magnetic stirrer for 12 hours, and taking down the solution; standing the solution at room temperature for 24h, filtering the solution through a vacuum filter, and washing the solution with anhydrous methanol for three times; then drying in a vacuum oven at 70 ℃ to obtain a CoNi bimetallic organic framework (MOF) material;
step 2, placing the product obtained in the step 1 in a tubular furnace, heating the product from room temperature to 800 ℃ in an argon gas atmosphere at a heating rate of 2 ℃/min, keeping the temperature for 2h, naturally cooling the product to room temperature along with the furnace, and taking the product out to obtain a Co-Ni bimetallic MOF derived carbon material;
step 3, uniformly mixing the Co-Ni bimetallic MOF derived carbon material obtained in the step 2 with sulfur powder, placing the mixture in a tubular furnace, heating the mixture to 155 ℃ from room temperature under the atmosphere of argon gas, keeping the temperature for 12 hours at the heating rate of 2 ℃/min, naturally cooling the mixture to room temperature along with the furnace, and taking the mixture out to obtain a CoNi bimetallic organic framework derived carbon-sulfur composite material; wherein the mass ratio of the Co-Ni bimetallic MOF derived carbon material to the sulfur powder is 1: 1.5.
example 2
Step 1, dissolving 1.1g of cobalt acetylacetonate and 1.1g of nickel acetylacetonate in 100mL of N, N-dimethylformamide to obtain a solution A; then 1g of 1,2,3, 4-butanetetracarboxylic acid was dissolved in 100mL of N, N-dimethylformamide to obtain a solution B; the solution A is dropwise added into the solution B by a dropper. Finally, transferring the uniformly mixed solution into 3 reaction kettles with the specification of 100mL for hydrothermal reaction at 120 ℃ for three hours, washing the obtained product with ethanol for 3 times, and drying the product in a vacuum oven at 70 ℃ to obtain a CoNi bimetal MOF material;
step 2, placing the product obtained in the step 1 in a tubular furnace, heating the product from room temperature to 800 ℃ in an argon gas atmosphere at a heating rate of 2 ℃/min, keeping the temperature for 2h, naturally cooling the product to room temperature along with the furnace, and taking the product out to obtain a CoNi bimetal MOF derived carbon material;
step 3, uniformly mixing the Co-Ni bimetallic MOF derived carbon material obtained in the step 2 with sulfur powder, placing the mixture in a tubular furnace, heating the mixture to 155 ℃ from room temperature under the atmosphere of argon gas, keeping the temperature for 12 hours at the heating rate of 2 ℃/min, naturally cooling the mixture to room temperature along with the furnace, and taking the mixture out to obtain a CoNi bimetallic organic framework derived carbon-sulfur composite material; wherein the mass ratio of the Co-Ni bimetallic MOF derived carbon material to the sulfur powder is 1: 1.5.
example 3
Step 1, dissolving 1.1g of cobalt acetylacetonate and 1.1g of nickel acetylacetonate in 100mL of ethylene glycol to obtain a solution A; then 1g of 1,2,3, 4-butanetetracarboxylic acid was dissolved in 100mL of ethylene glycol to obtain a B solution; dropwise adding the solution A into the solution B by using a dropper, and tightly sealing the obtained solution by using a preservative film after the solution A is completely added; carrying out solvent thermal reaction on the solution in an oil bath kettle, wherein the heating temperature is 80 ℃, and the heating time is 12 h; standing the solution at room temperature for 24h, filtering the solution through a vacuum filter, and washing with ethanol for three times; then drying in a vacuum oven at 70 ℃ to obtain a CoNi bimetal MOF material;
step 2, placing the product obtained in the step 1 in a tubular furnace, heating the product from room temperature to 800 ℃ in an argon gas atmosphere at a heating rate of 2 ℃/min, keeping the temperature for 2h, naturally cooling the product to room temperature along with the furnace, and taking the product out to obtain a CoNi bimetal MOF derived carbon material;
step 3, uniformly mixing the Co-Ni bimetallic MOF derived carbon material obtained in the step 2 with sulfur powder, placing the mixture in a tubular furnace, heating the mixture to 155 ℃ from room temperature under the atmosphere of argon gas, keeping the temperature for 12 hours at the heating rate of 2 ℃/min, naturally cooling the mixture to room temperature along with the furnace, and taking the mixture out to obtain a CoNi bimetallic organic framework derived carbon-sulfur composite material; wherein the mass ratio of the Co-Ni bimetallic MOF derived carbon material to the sulfur powder is 1: 1.5.
FIG. 1 is a graph of the specific surface area (BET plot) of the Co-Ni bimetallic MOF derived carbon material obtained in example 1; as can be seen from fig. 1, the Co-Ni bimetallic MOF derived carbon material obtained in example 1 has a specific surface area of (682.870m2/g), can perform a good sulfur-carrying function, and at the same time, the large specific surface area can effectively alleviate the volume expansion caused in the charging and discharging process, and prevent the active material from being deprived from the conductive framework, thereby improving the battery capacity and prolonging the cycle life.
FIG. 2 is an X-ray diffraction pattern of the Co-Ni bimetallic MOF derived carbon material obtained in example 1; as can be seen from FIG. 2, example 1 successfully produced a Co-Ni bimetallic MOF derived carbon material.
FIG. 3 is a scanning electron micrograph of the Co-Ni bimetallic MOF material, the Co-Ni bimetallic MOF derived carbon material and the Co-Ni bimetallic MOF derived carbon-sulfur composite material obtained in example 2; as can be seen from fig. 3, the Co — Ni bimetallic MOF derived carbon-sulfur composite material obtained in example 2 has no apparent sulfur particles on the surface, and the wrinkles and pores of the porous carbon are covered and filled with sulfur.
FIG. 4 is a thermogravimetric plot of the Co-Ni bimetallic MOF derived carbon-sulfur composite obtained in example 2; as can be seen from FIG. 4, the sulfur content of the Co-Ni bimetallic MOF derived carbon-sulfur composite material obtained in example 2 is 60%, and the Co-Ni bimetallic MOF derived carbon-sulfur composite material has a very high sulfur loading.
FIG. 5 is a first-turn charge-discharge curve of the Co-Ni bimetallic MOF derived carbon-sulfur composite positive electrode material obtained in example 3 at a current density of 0.1C; as can be seen from FIG. 5, the first cycle discharge capacity is as high as 1295.4mAh/g, and the specific capacity is very high.
FIG. 6 is a graph of rate capability of the Co-Ni bimetallic MOF derived carbon-sulfur composite positive electrode material obtained in example 3; as can be seen from fig. 6, the lithium sulfur battery prepared by using the composite material of example 3 as a cathode material has good cycle performance at the rate of 0.1C,0.2C,0.5C,1C, 2C.
The composite material prepared by the invention firstly takes metal salt as a substrate, an organic ligand and an organic solvent are added, the MOFs nano material is obtained by the metal salt through room temperature standing, hydrothermal reaction or solvothermal reaction and is taken as a precursor, then the precursor is carbonized, and then the carbonized product is used for fixing sulfur, so that the CoNi bimetal organic framework derived carbon-sulfur composite material is obtained. The carbonized product has larger specific surface area and better conductivity, contains metal particles, has good sulfur fixing effect, and can effectively inhibit the shuttle effect of the polysulfide intermediate in the electrolyte. The composite material prepared by the invention also has the advantages of good cycling stability, relatively high capacity, simple preparation, easily obtained raw materials, being beneficial to accelerating the commercialization of the lithium-sulfur battery and the like, and has good application prospect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A preparation method of a CoNi bimetal organic framework derived carbon-sulfur composite material is characterized by comprising the following steps:
step 1, uniformly mixing 1-2 parts by weight of Co salt, 1-2 parts by weight of Ni salt, 1-2 parts by weight of organic ligand and 80-100 parts by weight of organic solvent, and standing at room temperature, carrying out hydrothermal reaction or solvothermal reaction to obtain a CoNi bimetallic organic framework (MOF) material;
step 2, placing the CoNi bimetal MOF material into a tubular furnace, heating the temperature from room temperature to 600-1000 ℃ under the atmosphere of inert gas, preserving the heat for 1-3 h, naturally cooling the material to room temperature along with the furnace, and taking out the material to obtain a CoNi bimetal MOF derived carbon material;
step 3, uniformly mixing the CoNi bimetal MOF derived carbon material with sulfur powder, placing the mixture in a tubular furnace, heating the mixture from room temperature to 155-300 ℃ in an inert gas atmosphere, preserving the heat for 12-24 hours, naturally cooling the mixture to room temperature along with the furnace, and taking the mixture out to obtain a CoNi bimetal organic framework derived carbon-sulfur composite material; wherein the mass ratio of the CoNi bimetallic MOF derived carbon material to the sulfur powder is 1: (1.5-4).
2. The method for preparing a CoNi bimetallic organic framework derived carbon-sulfur composite material according to claim 1, wherein the Co salt is cobalt acetylacetonate and the Ni salt is nickel acetylacetonate.
3. The method for preparing a CoNi bimetallic organic framework derived carbon-sulfur composite material according to claim 1, wherein the organic ligand is 1,2,3, 4-butanetetracarboxylic acid.
4. The method for preparing the CoNi bimetallic organic framework derived carbon-sulfur composite material according to claim 1, wherein the organic solvent is methanol, diethanol or N, N-dimethylformamide.
5. The method for preparing the CoNi bimetallic organic framework derived carbon-sulfur composite material as claimed in claim 1, wherein the solvothermal reaction is performed in a water bath or an oil bath.
6. The method for preparing a CoNi bimetallic organic framework derived carbon-sulfur composite material according to claim 1, wherein the inert gas is argon.
7. The preparation method of the CoNi bimetallic organic framework derived carbon-sulfur composite material according to claim 1, wherein the mixing of the CoNi bimetallic MOF derived carbon material and sulfur powder is completed in a ball mill, and the frequency of the ball milling is 31.66 Hz-37.66 Hz.
8. The method for preparing the CoNi bimetallic organic framework derived carbon-sulfur composite material according to claim 1, wherein the temperature rise rate is 2-5 ℃/min.
9. Use of the CoNi bimetallic organic framework derived carbon-sulfur composite material obtained by the method of any one of claims 1 to 8 in a positive electrode material of a lithium-sulfur battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110268582.1A CN113054183A (en) | 2021-03-12 | 2021-03-12 | Preparation method of CoNi bimetal organic framework derived carbon-sulfur composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110268582.1A CN113054183A (en) | 2021-03-12 | 2021-03-12 | Preparation method of CoNi bimetal organic framework derived carbon-sulfur composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113054183A true CN113054183A (en) | 2021-06-29 |
Family
ID=76511858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110268582.1A Pending CN113054183A (en) | 2021-03-12 | 2021-03-12 | Preparation method of CoNi bimetal organic framework derived carbon-sulfur composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113054183A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967483A (en) * | 2021-10-22 | 2022-01-25 | 湖南大学 | Application of bimetallic two-dimensional MOF series catalyst to lithium-sulfur battery |
| CN114267832A (en) * | 2021-12-23 | 2022-04-01 | 青岛科技大学 | Preparation method and application research of nitrogen-doped carbon/nickel oxide/nickel/sulfur composite lithium-sulfur battery positive electrode |
| CN114824204A (en) * | 2022-04-14 | 2022-07-29 | 中南大学 | Preparation method of carbon-coated cobalt-nickel binary transition metal sulfide negative electrode material |
| CN114904548A (en) * | 2022-04-18 | 2022-08-16 | 电子科技大学 | Bifunctional material capable of adsorbing and catalyzing polysulfide conversion and preparation method thereof |
| CN114956039A (en) * | 2022-06-09 | 2022-08-30 | 西安理工大学 | Hollow sea urchin-shaped double-metal MOFs (metal-organic frameworks) derived carbon material as well as preparation method and application thereof |
| CN115215319A (en) * | 2022-06-09 | 2022-10-21 | 西安理工大学 | Bimetal doped sheet layered carbon material and preparation method and application thereof |
| CN115301240A (en) * | 2022-08-31 | 2022-11-08 | 理工清科(重庆)先进材料研究院有限公司 | Carbon-coated CoNi bimetallic hydrogen storage catalyst and preparation method and application thereof |
| CN116960331A (en) * | 2023-09-20 | 2023-10-27 | 河南师范大学 | Preparation method of vulcanized polyacrylonitrile positive electrode material for lithium-sulfur battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2512640A2 (en) * | 2009-12-15 | 2012-10-24 | Uop Llc | Metal organic framework polymer mixed matrix membranes |
| CN103236542A (en) * | 2013-04-17 | 2013-08-07 | 浙江大学 | Preparation method for lithium-sulfur battery positive electrode material adopting metal-organic framework material as sulfur carrier |
| CN108336308A (en) * | 2017-01-20 | 2018-07-27 | 华为技术有限公司 | A kind of lithium-sulphur cell positive electrode protection materials and its application |
| CN109360960A (en) * | 2018-10-18 | 2019-02-19 | 西安建筑科技大学 | A kind of compound sulfur materials of CuCo bimetallic organic frame and its preparation and use |
| CN109817912A (en) * | 2019-01-14 | 2019-05-28 | 暨南大学 | A kind of sodium ions to potassium ions cell negative electrode material and the preparation method and application thereof |
-
2021
- 2021-03-12 CN CN202110268582.1A patent/CN113054183A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2512640A2 (en) * | 2009-12-15 | 2012-10-24 | Uop Llc | Metal organic framework polymer mixed matrix membranes |
| CN103236542A (en) * | 2013-04-17 | 2013-08-07 | 浙江大学 | Preparation method for lithium-sulfur battery positive electrode material adopting metal-organic framework material as sulfur carrier |
| CN108336308A (en) * | 2017-01-20 | 2018-07-27 | 华为技术有限公司 | A kind of lithium-sulphur cell positive electrode protection materials and its application |
| CN109360960A (en) * | 2018-10-18 | 2019-02-19 | 西安建筑科技大学 | A kind of compound sulfur materials of CuCo bimetallic organic frame and its preparation and use |
| CN109817912A (en) * | 2019-01-14 | 2019-05-28 | 暨南大学 | A kind of sodium ions to potassium ions cell negative electrode material and the preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 冷松明: "锂硫电池碳复合正极材料的制备与性能研究", 《中国优秀博硕士学位论文全文数据库(硕士) 工程科技Ⅱ辑》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967483A (en) * | 2021-10-22 | 2022-01-25 | 湖南大学 | Application of bimetallic two-dimensional MOF series catalyst to lithium-sulfur battery |
| CN114267832A (en) * | 2021-12-23 | 2022-04-01 | 青岛科技大学 | Preparation method and application research of nitrogen-doped carbon/nickel oxide/nickel/sulfur composite lithium-sulfur battery positive electrode |
| CN114267832B (en) * | 2021-12-23 | 2022-11-29 | 青岛科技大学 | Preparation method and application research of nitrogen-doped carbon/nickel oxide/nickel/sulfur composite lithium-sulfur battery positive electrode |
| CN114824204A (en) * | 2022-04-14 | 2022-07-29 | 中南大学 | Preparation method of carbon-coated cobalt-nickel binary transition metal sulfide negative electrode material |
| CN114904548A (en) * | 2022-04-18 | 2022-08-16 | 电子科技大学 | Bifunctional material capable of adsorbing and catalyzing polysulfide conversion and preparation method thereof |
| CN114956039A (en) * | 2022-06-09 | 2022-08-30 | 西安理工大学 | Hollow sea urchin-shaped double-metal MOFs (metal-organic frameworks) derived carbon material as well as preparation method and application thereof |
| CN115215319A (en) * | 2022-06-09 | 2022-10-21 | 西安理工大学 | Bimetal doped sheet layered carbon material and preparation method and application thereof |
| CN115301240A (en) * | 2022-08-31 | 2022-11-08 | 理工清科(重庆)先进材料研究院有限公司 | Carbon-coated CoNi bimetallic hydrogen storage catalyst and preparation method and application thereof |
| CN116960331A (en) * | 2023-09-20 | 2023-10-27 | 河南师范大学 | Preparation method of vulcanized polyacrylonitrile positive electrode material for lithium-sulfur battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113054183A (en) | Preparation method of CoNi bimetal organic framework derived carbon-sulfur composite material | |
| CN110649267A (en) | Composite metal lithium cathode, preparation method and metal lithium battery | |
| CN112909234A (en) | Preparation method and application of lithium cathode or sodium cathode | |
| CN105762360A (en) | Graphene-silicon-coated composite negative electrode material and preparing method and application thereof | |
| CN104617271A (en) | Stannic selenide/graphene oxide negative pole composite material for sodium ion battery and preparation method thereof | |
| CN111952572A (en) | Cobalt-nickel bimetallic nitrogen-doped carbon composite material containing single-atom active site and preparation method and application thereof | |
| CN108258241A (en) | A kind of cathode of lithium battery for inhibiting lithium dendrite growth using ZIF-8 porous carbon materials | |
| CN113675402A (en) | Metal-nitrogen doped porous carbon material and preparation method and application thereof | |
| CN110627031A (en) | Preparation method of molybdenum-doped cobalt phosphide-carbon coral sheet composite material | |
| CN111646459A (en) | Preparation method and application of boron-doped graphene material | |
| CN114122332A (en) | Method for preparing three-dimensional metal lithium cathode by using MOFs (metal-organic frameworks) derivatives | |
| CN110112387B (en) | Titanium suboxide coated and modified cathode material and preparation method thereof | |
| CN114702614A (en) | Cathode material for improving cycling stability of vulcanized polyacrylonitrile battery and preparation method thereof | |
| CN110311111A (en) | N adulterates CNT in-stiu coating Co nano particle composite material and preparation and application | |
| CN108539158B (en) | rGO/WS2Preparation method of composite material and application of composite material in positive electrode material of lithium-sulfur battery | |
| CN112209366A (en) | Preparation method of lithium-sulfur battery electrode material | |
| CN111180705A (en) | Lithium-sulfur battery electrode material with ultralow self-discharge and preparation method thereof | |
| CN110247041A (en) | A kind of ZnNiO/C composite nano materials and preparation method thereof | |
| CN115172704A (en) | Preparation method for preparing porous carbon lithium iron phosphate cathode material by using metal organic framework | |
| CN113087014B (en) | Preparation method of carbon/selenium-doped titanium dioxide lithium-sulfur battery positive electrode material | |
| CN111952553B (en) | Preparation method of sulfur/sisal fiber activated carbon lithium-sulfur battery positive electrode material | |
| CN114975957A (en) | Sulfur/glucose mesoporous carbon sphere lithium sulfur battery positive electrode material and preparation method thereof | |
| CN108666569B (en) | Preparation method of spongy carbon material | |
| CN112390284A (en) | Preparation method of tin oxide modified cobalt-zinc bimetallic organic framework derived carbon composite material | |
| CN114335559B (en) | Lithium metal battery current collector and preparation method and application 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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210629 |