CN110534746A - A kind of tungsten carbide/carbon nano tube compound material and the preparation method and application thereof - Google Patents
A kind of tungsten carbide/carbon nano tube compound material and the preparation method and application thereof Download PDFInfo
- Publication number
- CN110534746A CN110534746A CN201910886229.2A CN201910886229A CN110534746A CN 110534746 A CN110534746 A CN 110534746A CN 201910886229 A CN201910886229 A CN 201910886229A CN 110534746 A CN110534746 A CN 110534746A
- Authority
- CN
- China
- Prior art keywords
- tungsten carbide
- carbon nano
- compound material
- nano tube
- tube compound
- 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.)
- Granted
Links
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
- H01M10/05—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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention belongs to lithium-sulfur cell technical field, a kind of tungsten carbide/carbon nano tube compound material and the preparation method and application thereof is specifically disclosed.Preparation method is shown in specific step is as follows: after carboxylic carbon nano-tube is uniformly dispersed in water, tungsten source is added to continues to mix uniformly, then polyethyleneimine dispersion liquid is added to continue to be uniformly mixing to obtain mixed liquor, obtained solid sample after mixed liquor drying is calcined again, obtains tungsten carbide/carbon nano tube compound material.The present invention preferable tungsten carbide of synthetic crystallization at not higher than 1000 DEG C, operation economy, step are easy, easy to accomplish；Tungsten carbide and carbon nanotube it is uniform compound, give full play to the synergistic effect of the conductive capability of tungsten carbide absorption polysulfide and carbon nanotube, can effectively limit polysulfide shuttle, improve lithium-sulfur cell performance.
Description
Technical field
The invention belongs to lithium-sulfur cell technical field, in particular to a kind of tungsten carbide/carbon nano tube compound material and its system
Preparation Method and application.
Background technique
With the extensive use of portable electronic product and new-energy automobile, there is an urgent need to the energy storage materials of large capacity in market
Material, and presently the most common lithium ion battery is difficult to meet growing course continuation mileage requirement.Lithium-sulfur cell Yin Qigao's
Theoretical specific capacity (1675mAh/g) and high specific energy (2600Wh/kg) are considered as the strong competition of next-generation energy storage device
Person, but the application of its large-scale commercial still faces following main problem and has: (1) sulphur and discharging product (Li2S/Li2S2)
Insulating properties；(2) volume expansion of discharge process is easy to cause the destruction of battery structure；(3) soluble polysulfide intermediate is worn
Shuttle effect.Shuttle effect refers to that the high-order polysulfide of electric discharge passes through diaphragm in the method for free diffusing, then due to connecing on cathode
Become low order polysulfide and Li by electronics2S/Li2S2Process.Polysulfide shuttle effect be cause cycle performance of battery difference it is main
Reason.
In order to inhibit the shuttle effect of polysulfide, researcher uses different types of material and prepares sulphur anode.Such as carbon
The carbon materials such as nanotube, carbon fiber, porous carbon ball and graphene, with polysulfide adsorption capacity and good electric conductivity by
Research is widely applied.However the nonpolarity of carbon material cause its with polysulfide binding force it is very weak, thus limit corresponding lithium sulphur electricity
The performance in pond.Transition metal oxide, including manganese dioxide, titanium dioxide etc. are another selections of sulphur positive electrode,
There is strong active force that can adsorb polysulfide very well with polysulfide；Then its poor electric conductivity reduces kinetics, and then hinders
The promotion of corresponding lithium-sulfur cell performance is hindered.
Summary of the invention
In order to overcome the shortcomings and deficiencies of the prior art described above, the primary purpose of the present invention is that provide a kind of tungsten carbide/
The preparation method of carbon nano tube compound material.
Another object of the present invention is to provide a kind of tungsten carbide/carbon nano tube compound material that the above method is prepared.
Still a further object of the present invention is to provide application of the above-mentioned tungsten carbide/carbon nano tube compound material in lithium-sulfur cell.
The purpose of the present invention is realized by following proposal:
A kind of preparation method of tungsten carbide/carbon nano tube compound material, it is shown that specific step is as follows:
After carboxylic carbon nano-tube is uniformly dispersed in water, tungsten source is added and continuess to mix uniformly, polyethylene is then added
Imines dispersion liquid continues to be uniformly mixing to obtain mixed liquor, then obtained solid sample after mixed liquor drying is calcined, and obtains carbon
Change tungsten/carbon nano tube compound material.
The mass volume ratio of the carboxylic carbon nano-tube and water is 0.1~0.5g:25mL；
The tungsten source includes but is not limited at least one of tungsten hexachloride and sodium tungstate；
The mass fraction of polyethyleneimine is 1~100g/L in the polyethyleneimine dispersion liquid.
The mass volume ratio of the carboxylic carbon nano-tube, tungsten source and polyethyleneimine dispersion liquid is 0.1~0.5g:0.05
~0.1g:2mL；
The calcining carries out in atmosphere furnace, and calcination temperature is 800~1000 DEG C, and heating rate is 2~10 DEG C per minute；
Calcination time is 1~2h.Preferably calcined under inert gas and nitrogen.
One kind is by tungsten carbide/carbon nano tube compound material obtained by the above method.
Application of the tungsten carbide/carbon nano tube compound material in lithium-sulfur cell.
A kind of lithium-sulphur cell positive electrode being prepared by above-mentioned tungsten carbide/carbon nano tube compound material, specifically by with lower section
Method is prepared:
The grinding of tungsten carbide/carbon nano tube compound material and sublimed sulfur is placed in inert atmosphere and carries out heating and reacts, is obtained
To tungsten carbide/carbon nanotube-sulphur composite material；Then by tungsten carbide/carbon nanotube-sulphur composite material and conductive agent, binder
It is sufficiently mixed, is scattered in solvent and is developed into slurry, then be evenly applied on aluminium foil, obtain lithium-sulphur cell positive electrode after dry.
The mass ratio of the tungsten carbide/carbon nano tube compound material and sublimed sulfur is 1:1~1:9；
The mass fraction of sulphur is 50~90% in the tungsten carbide/carbon nanotube-sulphur composite material.
Heating reaction is the reaction 1~for 24 hours at 100~300 DEG C；Preferably 6h is reacted at 155 DEG C.
The conductive agent is at least one of Super P, Ketjen black and acetylene black；The binder is polyvinylidene fluoride
At least one of alkene, gelatin and sodium alginate；The solvent is at least one of N-Methyl pyrrolidone and water.
Tungsten carbide/the carbon nanotube-sulphur composite material, conductive agent and binder mass ratio is 6~9:2~0.5:2
~0.5；Preferably 8:1:1
Tungsten carbide/carbon nanotube-sulphur composite material that the solvent meets every 1g uses the solvent of 0.5~5mL.
The present invention compared with the existing technology, have the following advantages and the utility model has the advantages that
The present invention preferable tungsten carbide of synthetic crystallization at not higher than 1000 DEG C, operation economy, step are easy, are easy real
It is existing；Tungsten carbide and carbon nanotube it is uniform compound, give full play to the conductive capability of tungsten carbide absorption polysulfide and carbon nanotube
Synergistic effect, can effectively limit polysulfide shuttle, improve lithium-sulfur cell performance.
Detailed description of the invention
Fig. 1 is the XRD diagram of synthesized tungsten carbide/carbon nano tube compound material in embodiment 1.
Fig. 2 is 1 gained lithium-sulfur cell cycle performance figure of embodiment 1 and comparative example.
Fig. 3 is gained lithium-sulfur cell cycle performance figure in embodiment 2 and comparative example 1.
Specific embodiment
Below with reference to embodiment and attached drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
Agents useful for same can routinely be bought unless otherwise specified from market in embodiment.
The carbon nanotube of carboxylated is bought in Aladdin (C139960) in embodiment；Kynoar buys Yu Suwei
(Solef5130)。
Embodiment 1
Tungsten carbide/carbon nano tube compound material preparation: the carbon nanotube for weighing 0.1g carboxylated is placed in a beaker, and is added
The water ultrasound of 25mL 20 minutes, keeps carbon nanotube evenly dispersed in a solvent；The sodium tungstate of 0.05g is added with vigorous stirring,
Continue stirring 30 minutes；Be slow added into concentration be 50g/L 2mL polyethyleneimine aqueous dispersions, stirring 30 minutes after from
The heart is dried to obtain solid sample；After the grinding of gained sample in nitrogen atmosphere, 2 are calcined at 900 DEG C with the heating rate of 5 DEG C/min
Hour, obtain tungsten carbide/carbon nano tube compound material.
Anode preparation: a certain amount of tungsten carbide/carbon nano tube compound material is taken, is sufficiently ground with the ratio of 3:7 with sublimed sulfur
Mill is placed on 155 DEG C of heating in inert atmosphere and obtains tungsten carbide/carbon nanotube-sulphur composite material in 6 hours.Above-mentioned material is pressed
The ratio and Super P, Kynoar of 8:1:1 is scattered in N-Methyl pyrrolidone after being sufficiently mixed is developed into slurry, often
Gram tungsten carbide/carbon nano tube compound material is corresponding to be added 2mL N-Methyl pyrrolidone, is evenly applied on aluminium foil, it is dry after
To lithium-sulphur cell positive electrode, it is subsequently used for preparing lithium-sulfur cell (sample 2).
Embodiment 2
Tungsten carbide/carbon nano tube compound material preparation: the carbon nanotube for weighing 0.5g carboxylated is placed in a beaker, and is added
The water ultrasound of 25mL 20 minutes, keeps carbon nanotube evenly dispersed in a solvent；The tungsten hexachloride of 0.1g is added with vigorous stirring,
Continue stirring 30 minutes；It is slow added into the polyethyleneimine alcohol dispersion liquid for the 2mL that concentration is 100g/L, after stirring 30 minutes
Centrifugal drying is obtained into solid sample；After the grinding of gained sample in nitrogen atmosphere, with the heating rate of 2 DEG C/min at 900 DEG C
Calcining 2 hours, obtains tungsten carbide/carbon nano tube compound material.
Anode preparation: a certain amount of tungsten carbide/carbon nano tube compound material is taken, is sufficiently ground with the ratio of 2:8 with sublimed sulfur
Mill is placed on 155 DEG C of heating in inert atmosphere and obtains tungsten carbide/carbon nanotube-sulphur composite material in 6 hours.Above-mentioned material is pressed
The ratio and Super P, Kynoar of 8:1:1 is scattered in N-Methyl pyrrolidone after being sufficiently mixed is developed into every gram of slurry
Tungsten carbide/carbon nano tube compound material is corresponding to be added 4mL N-Methyl pyrrolidone, is evenly applied on aluminium foil, obtains after dry
Lithium-sulphur cell positive electrode is subsequently used for preparing lithium-sulfur cell.(sample 2)
Comparative example 1
A certain amount of carbon nanotube is taken, is fully ground with the ratio of 3:7 with sublimed sulfur, is placed in inert atmosphere 155 DEG C
Heating obtains carbon nanotube-sulphur composite material in 6 hours.By above-mentioned material in the ratio and Super P, Kynoar of 8:1:1
It is scattered in N-Methyl pyrrolidone after being sufficiently mixed and is developed into slurry, every gram of carbon nanotube is corresponding to be added 2mL N- methylpyrrole
Alkanone is evenly applied on aluminium foil, is obtained lithium-sulphur cell positive electrode after dry, is subsequently used for preparing lithium-sulfur cell (sample 1).
Fig. 1 is the XRD diagram of synthesized tungsten carbide/carbon nano tube compound material in embodiment 1, this method is successfully closed as seen from the figure
At tungsten carbide/carbon nano tube compound material, wherein tungsten carbide component good crystallinity.Fig. 2 is 1 gained of embodiment 1 and comparative example
Lithium-sulfur cell cycle performance.Wherein the lithium-sulfur cell first circle discharge capacity of 1 gained sample 2 of embodiment reaches 1263mAh/g, turns
Specific capacity still reaches 929mAh/g after 0.5C, hence it is evident that is better than 1 gained lithium-sulfur cell (sample 1) of comparative example.
Fig. 3 is the lithium sulphur electricity for using tungsten carbide/carbon nano tube compound material prepared in case study on implementation 2 as positive electrode
Pond performance map.Wherein the lithium-sulfur cell first circle discharge capacity of 2 gained sample 2 of embodiment reaches 1381mAh/g, turns specific volume after 0.5C
Amount still reaches 1053mAh/g, hence it is evident that is better than 1 gained lithium-sulfur cell (sample 1) of comparative example.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of preparation method of tungsten carbide/carbon nano tube compound material, it is characterised in that shown in specific step is as follows:
After carboxylic carbon nano-tube is uniformly dispersed in water, tungsten source is added and continuess to mix uniformly, polyethyleneimine is then added
Dispersion liquid continues to be uniformly mixing to obtain mixed liquor, then by mixed liquor it is dry after obtained solid sample calcine, obtain tungsten carbide/
Carbon nano tube compound material.
2. the preparation method of tungsten carbide/carbon nano tube compound material according to claim 1, it is characterised in that:
The mass volume ratio of the carboxylic carbon nano-tube, tungsten source and polyethyleneimine dispersion liquid be 0.1~0.5g:0.05~
0.1g:2mL.
3. the preparation method of tungsten carbide/carbon nano tube compound material according to claim 1, it is characterised in that:
The mass volume ratio of the carboxylic carbon nano-tube and water is 0.1~0.5g:25mL；
The mass fraction of polyethyleneimine is 1~100g/L in the polyethyleneimine dispersion liquid；
The tungsten source includes but is not limited at least one of tungsten hexachloride and sodium tungstate.
4. the preparation method of tungsten carbide/carbon nano tube compound material according to claim 1, it is characterised in that:
The calcining carries out in atmosphere furnace, and calcination temperature is 800~1000 DEG C, and heating rate is 2~10 DEG C per minute；Calcining
Time is 1~2h.
5. tungsten carbide/carbon nano tube compound material that any one the method is prepared according to claim 1~4.
6. application of the tungsten carbide/carbon nano tube compound material in lithium-sulfur cell according to claim 5.
7. a kind of lithium-sulphur cell positive electrode that tungsten carbide/carbon nano tube compound material is prepared as described in claim 5, feature
It is specifically to be prepared by following methods:
The grinding of tungsten carbide/carbon nano tube compound material and sublimed sulfur is placed in inert atmosphere and carries out heating and reacts, obtains carbon
Change tungsten/carbon nanotube-sulphur composite material；Then tungsten carbide/carbon nanotube-sulphur composite material and conductive agent, binder is abundant
Mixing, is scattered in solvent and is developed into slurry, then be evenly applied on aluminium foil, obtains lithium-sulphur cell positive electrode after dry.
8. the lithium-sulphur cell positive electrode that tungsten carbide/carbon nano tube compound material is prepared, feature exist according to claim 7
In: the mass ratio of the tungsten carbide/carbon nano tube compound material and sublimed sulfur is 1:1~1:9.
9. the lithium-sulphur cell positive electrode that tungsten carbide/carbon nano tube compound material is prepared, feature exist according to claim 7
In:
Heating reaction is the reaction 1~for 24 hours at 100~300 DEG C；
The conductive agent is at least one of Super P, Ketjen black and acetylene black；The binder is Kynoar, bright
At least one of glue and sodium alginate；The solvent is at least one of N-Methyl pyrrolidone and water.
10. the lithium-sulphur cell positive electrode that tungsten carbide/carbon nano tube compound material is prepared according to claim 7, feature
It is:
Tungsten carbide/the carbon nanotube-sulphur composite material, conductive agent and binder mass ratio be 6~9:2~0.5:2~
0.5；
Tungsten carbide/carbon nanotube-sulphur composite material that the solvent meets every 1g uses the solvent of 0.5~5mL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910886229.2A CN110534746B (en) | 2019-09-19 | 2019-09-19 | Tungsten carbide/carbon nanotube composite material and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910886229.2A CN110534746B (en) | 2019-09-19 | 2019-09-19 | Tungsten carbide/carbon nanotube composite material and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110534746A true CN110534746A (en) | 2019-12-03 |
| CN110534746B CN110534746B (en) | 2021-02-19 |
Family
ID=68669234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910886229.2A Active CN110534746B (en) | 2019-09-19 | 2019-09-19 | Tungsten carbide/carbon nanotube composite material and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110534746B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447821A (en) * | 2020-05-18 | 2020-07-24 | 哈尔滨工业大学 | Preparation method of carbide/carbon nano composite material |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101732720A (en) * | 2009-12-25 | 2010-06-16 | 上海师范大学 | Preparation and application of anti-cancer medicament carrier with dual functions of targeting and fluorescence |
| CN102626519A (en) * | 2012-03-23 | 2012-08-08 | 上海师范大学 | Targeting multifunctional carbon nanotube / polyethylenimine drug delivery carrier, and preparation method and application thereof |
| CN103172048A (en) * | 2013-03-05 | 2013-06-26 | 电子科技大学 | Preparation method of water-soluble carbon nanotube |
| CN104617261A (en) * | 2015-01-23 | 2015-05-13 | 东莞市翔丰华电池材料有限公司 | Method for preparing composite cathode material of silicon-carbon nanotube of lithium ion battery |
| US20180112087A1 (en) * | 2016-10-25 | 2018-04-26 | Agency For Science, Technology And Research | Coating formulation |
| CN108258209A (en) * | 2017-12-27 | 2018-07-06 | 温州大学 | A kind of carbide/carbon nano tube/graphene carries sulphur composite material and preparation method and application |
| KR20180083125A (en) * | 2017-01-12 | 2018-07-20 | (주)하이엠시 | The Carbon nano tube and Alumina mixed paper, the method of manufacturing it and the heat treatment tray |
| CN109786748A (en) * | 2018-12-29 | 2019-05-21 | 桑德集团有限公司 | A kind of lithium-sulphur cell positive electrode piece and preparation method thereof, lithium-sulfur cell |
-
2019
- 2019-09-19 CN CN201910886229.2A patent/CN110534746B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101732720A (en) * | 2009-12-25 | 2010-06-16 | 上海师范大学 | Preparation and application of anti-cancer medicament carrier with dual functions of targeting and fluorescence |
| CN102626519A (en) * | 2012-03-23 | 2012-08-08 | 上海师范大学 | Targeting multifunctional carbon nanotube / polyethylenimine drug delivery carrier, and preparation method and application thereof |
| CN103172048A (en) * | 2013-03-05 | 2013-06-26 | 电子科技大学 | Preparation method of water-soluble carbon nanotube |
| CN104617261A (en) * | 2015-01-23 | 2015-05-13 | 东莞市翔丰华电池材料有限公司 | Method for preparing composite cathode material of silicon-carbon nanotube of lithium ion battery |
| US20180112087A1 (en) * | 2016-10-25 | 2018-04-26 | Agency For Science, Technology And Research | Coating formulation |
| KR20180083125A (en) * | 2017-01-12 | 2018-07-20 | (주)하이엠시 | The Carbon nano tube and Alumina mixed paper, the method of manufacturing it and the heat treatment tray |
| CN108258209A (en) * | 2017-12-27 | 2018-07-06 | 温州大学 | A kind of carbide/carbon nano tube/graphene carries sulphur composite material and preparation method and application |
| CN109786748A (en) * | 2018-12-29 | 2019-05-21 | 桑德集团有限公司 | A kind of lithium-sulphur cell positive electrode piece and preparation method thereof, lithium-sulfur cell |
Non-Patent Citations (1)
| Title |
|---|
| 王晓娟 等: ""碳化钨／碳纳米管纳米复合材料的制备及其对硝基苯的电催化活性"", 《化工学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447821A (en) * | 2020-05-18 | 2020-07-24 | 哈尔滨工业大学 | Preparation method of carbide/carbon nano composite material |
| CN111447821B (en) * | 2020-05-18 | 2022-06-21 | 哈尔滨工业大学 | Preparation method of carbide/carbon nano composite material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110534746B (en) | 2021-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | Cobalt-embedded carbon nanofiber as electrocatalyst for polysulfide redox reaction in lithium sulfur batteries | |
| CN109037625B (en) | Composite material of hierarchical porous carbon and cobalt sulfide, and preparation method and application thereof | |
| CN108649198B (en) | Synthesis method of cobalt-embedded nitrogen and sulfur co-doped carbon nanomaterial | |
| CN109473659B (en) | Polypyrrole nanotube/Co3O4Particle composite material and preparation method thereof | |
| CN101714658B (en) | Preparation method of lithium iron phosphate for lithium ion battery | |
| CN111244448A (en) | In-situ carbon-coated high-rate large-size Prussian blue type sodium ion positive electrode material and preparation method thereof | |
| CN103606676B (en) | A kind of lithium iron phosphate/carbon nanocomposite and preparation method thereof | |
| CN108172406B (en) | FeS is used as a catalyst2-xSexSodium ion capacitor with negative electrode material | |
| CN109037608A (en) | Manganous oxide/carbon nano tube/graphene anode material and preparation method thereof | |
| CN117133908B (en) | Red phosphorus carbon battery anode material and preparation method and application thereof | |
| CN108767203B (en) | Titanium dioxide nanotube-graphene-sulfur composite material and preparation method and application thereof | |
| CN109860526A (en) | The preparation method of graphite type material doping metals oxalates lithium battery composite negative pole material | |
| CN107785576B (en) | Carbene Li1-xNaxFePO4Nano material and its preparation method and application | |
| CN109037657A (en) | A kind of lithium sulfur battery anode material and preparation method thereof | |
| Wu et al. | Upcycling of electroplating sludge into Fe3C-decorated N, P dual-doped porous carbon via microalgae as efficient sulfur host for lithium–sulfur batteries | |
| CN104466182A (en) | Nitrogen-doped nanocarbon coated/oxidized modified graphite composite material and preparation method thereof | |
| CN110357094A (en) | Produce the process of high-quality organic system super capacitor active carbon | |
| CN107887605B (en) | Based on active MnO2Preparation method of catalytic lithium-sulfur battery positive electrode | |
| CN110534746A (en) | A kind of tungsten carbide/carbon nano tube compound material and the preparation method and application thereof | |
| CN109192934A (en) | A kind of porous silica vanadium micron ball composite material and preparation method of graphene support | |
| Shi et al. | Ni2P/carbon nanotube nanocomposite as host material for high performance lithium-sulfur battery cathode | |
| CN102556999B (en) | Reduction processing method for synthesizing lithium iron phosphate materials | |
| CN112072107B (en) | Antimony sulfide-based composite material and preparation method and application thereof | |
| CN111276683B (en) | Silicon dioxide sulfur positive electrode rich in aluminum hydroxyl and preparation method thereof | |
| CN111762821B (en) | Hollow micro-nano structure nickel disulfide material and preparation method thereof, aluminum ion battery anode and aluminum ion battery |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Pan Siyi Inventor after: Rao Huashang Inventor after: Zhong Xinhua Inventor after: Pan Zhenxiao Inventor after: Yin Zhouhong Inventor before: Rao Huashang Inventor before: Pan Siyi Inventor before: Zhong Xinhua Inventor before: Pan Zhenxiao Inventor before: Yin Zhouhong |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |