CN108649194A - Graphene-supported molybdenum disulfide lithium sulfur battery anode material and preparation method thereof - Google Patents
Graphene-supported molybdenum disulfide lithium sulfur battery anode material and preparation method thereof Download PDFInfo
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- CN108649194A CN108649194A CN201810388431.8A CN201810388431A CN108649194A CN 108649194 A CN108649194 A CN 108649194A CN 201810388431 A CN201810388431 A CN 201810388431A CN 108649194 A CN108649194 A CN 108649194A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/581—Chalcogenides or intercalation compounds thereof
- H01M4/5815—Sulfides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention belongs to lithium-sulfur cell technical field, specially a kind of graphene-supported molybendum disulfide complexes lithium sulfur battery anode material and preparation method thereof.The present invention mainly prepares redox graphene using hydro-thermal method and loads molybendum disulfide complexes, using the further sulfur loaded of sublimed method.The aerogel material of the redox graphene load molybdenum disulfide nano sheet prepared in the present invention, has three-dimensional pore space structure, can be used as the materials'use that active material sulphur is accommodated in lithium-sulphur cell positive electrode；It is lithium-sulfur cell as anode assembly, the problems such as can solving " shuttle effect " caused by the intrinsic non-conductive and polysulfide of sulphur anode is dissolved in electrolyte, to improve the specific capacity of lithium-sulfur cell, reduce the polarization in charge and discharge process, enhance its cyclical stability and service life, improves the chemical property of lithium-sulfur cell comprehensively.The method of the present invention simple process and low cost is honest and clean, easy to spread.
Description
Technical field
The invention belongs to lithium-sulfur cell technical fields, and in particular to graphene-supported molybendum disulfide complexes lithium-sulfur cell is just
Pole material and preparation method thereof.
Background technology
In recent decades, the battery based on lithium metal has dominated the development of heavy-duty battery.The electrochemistry of lithium metal
Although capacity up to 3860 mAh/g, the electrochemistry capacitance of most of anode material for lithium-ion batteries only has 200 mAh/g left
The right side, the development of lithium ion battery greatly receive the restriction of its positive electrode.Different from lithium ion battery, in recent years, sulphur is made
For anode and lithium-sulfur cell of the lithium as cathode, with the theoretical specific capacity of its superelevation（1675 mAh/g）Compare energy with theory
（2600 Wh/kg）And it receives more and more attention.
Elemental sulfur is a kind of very positive electrode with application prospect, in the positive pole material of secondary lithium battery being currently known
In have highest theoretical specific capacity（Except lithium-oxygen battery）, and the storage capacity of sulphur is abundant, cheap, nontoxic and environment
It is friendly.In addition, compared to the transition metal oxide positive electrode that operating voltage is 3.5-4V, lower operating voltage（~
2.1V）It is safer.Nevertheless, still have the practicalization that some problems seriously restrict sulphur anode at present, for example, sulphur
Active material is lost in and discharge process caused by the dissolving in organic electrolyte of insulating properties, intermediate product polysulfide
The volume contraction of sulphur is destroyed caused by electrode material in the volume expansion of middle sulphur and charging process.In order to overcome the problems, such as these,
The various conductive carbon skeletons with special appearance are introduced into extensively in sulfenyl composite material.Carbon material not only has good conductive
Property, also have macropore hold and high-specific surface area, on the one hand with the compound electric conductivity for improving sulfenyl material of sulphur, on the other hand,
The macropore appearance having provides sulphur and becomes Li2S2/Li2The required volumetric spaces of S alleviate sulphur volume in charge and discharge process
Expansion and shrink, and the characteristic of bigger serface helps to adsorb partial intermediate polysulfide, reduce intermediate product to
Dissolving in electrolyte improves the capacity and cycle performance of battery to improve the active material utilization of lithium-sulfur cell.
Invention content
In order to solve the problems, such as that some existing are intrinsic in lithium-sulfur cell, it is negative that the purpose of the present invention is to provide a kind of graphenes
Carry molybendum disulfide complexes lithium sulfur battery anode material and preparation method thereof.It is lithium-sulfur cell as anode assembly, with solution
Caused by certainly the intrinsic non-conductive and polysulfide of sulphur anode is dissolved in electrolyte the problems such as " shuttle effect ", to improve
The specific capacity of lithium-sulfur cell reduces the polarization in charge and discharge process, enhances its cyclical stability and service life, improves lithium sulphur electricity comprehensively
The chemical property in pond.
The preparation method of graphene-supported molybendum disulfide complexes lithium sulfur battery anode material provided by the invention is specific to walk
It is rapid as follows：
（1）Redox graphene load molybendum disulfide complexes are prepared, using hydro-thermal method
(NH is added into graphene oxide dispersion4)6Mo7O24·4H2O and thiocarbamide, ultrasound make it fully dissolve and mix mixed
It is even；Then this mixed liquor is transferred in water heating kettle and carries out hydro-thermal reaction, obtain brownish black aeroge, i.e. redox graphene
Load molybendum disulfide complexes；It is freeze-dried after products therefrom is washed；
（2）Redox graphene load molybendum disulfide complexes sulphur positive electrode is prepared, using sublimed method
Redox graphene obtained load molybendum disulfide complexes are cut into powder, gained powder and distillation sulphur powder are total to
It is ground to be uniformly mixed；Then mixture is warming up to 150-160 DEG C under protection of argon gas, is kept for 10-15 hours；It waits for certainly
After being so cooled to room temperature, dark gray powder is taken out, as redox graphene loads molybendum disulfide complexes sulphur positive electrode.
Step of the present invention（1）In, a concentration of 1-3 mg/ml of graphene oxide dispersion, volume is 20-30 ml.
Step of the present invention（1）In, used (NH4)6Mo7O24·4H2The molar ratio of O and thiocarbamide is 1:（30-14）.
Step of the present invention（1）In, used (NH4)6Mo7O24·4H2O and redox graphene mass ratio are 1:
（0.5-2）.
Step of the present invention（1）In, washing solvent for use is deionized water and ethyl alcohol.
Step of the present invention（1）In, the temperature of hydro-thermal reaction is 160-200 DEG C, and the hydro-thermal time is 8-16 hour.
The aerogel material of redox graphene load molybdenum disulfide nano sheet prepared by the present invention, has three-dimensional hole
Structure can be used as the materials'use that active material sulphur is accommodated in lithium-sulphur cell positive electrode.The material has going back for multi-stage artery structure
Former graphene oxide has many characteristics, such as strong electric conductivity and Large ratio surface, can enhance sulphur positive conductive and ion transport capability, carry
The utilization rate of high-sulfur alleviates sulphur volume expansion problem in charge and discharge process, and plays physical limit to the dissolving of polysulfide
Effect；Meanwhile depositing for molybdenum disulfide nano sheet limits with polysulfide formation chemical bond to play the role of chemistry to it,
And it can effectively facilitate and enhance the progress of redox reaction in charge and discharge process.The above both sides synergistic effect is effective
The specific capacity and cyclical stability for improving lithium-sulfur cell.The method of the present invention simple process and low cost is honest and clean, easy to spread.
Description of the drawings
Fig. 1 is the redox graphene load molybendum disulfide complexes prepared in embodiment 1（rGM21）And its negative sulphur
Afterwards（rGM21/S）XRD diffraction patterns.
Fig. 2 is the redox graphene load molybendum disulfide complexes prepared in embodiment 1（rGM41）'s（a）It inhales de-
Attached curve graph and（b）Graph of pore diameter distribution.
Fig. 3 is the redox graphene load molybendum disulfide complexes prepared in embodiment 1（a）And after its negative sulphur
（b）Scanning electron microscope diagram.
Fig. 4 is the redox graphene load molybendum disulfide complexes prepared in embodiment 1（a）And after its negative sulphur
（b）Projection electron microscope figure.
Fig. 5 is that the redox graphene load molybendum disulfide complexes prepared in embodiment 1 bear sulphur as lithium-sulfur cell
Anode assembly battery is in 0.2C（1C=1675 mAh/g）The loop test of lower progress.
Fig. 6 illustrates for preparation method of the present invention.
Specific implementation mode
The present invention is further described below by specific embodiment combination attached drawing, is not construed as limiting the invention.
Embodiment 1
（1）It takes 30 ml graphene oxide dispersions in beaker, weighs (the NH of 0.05 g respectively4)6Mo7O24·4H2O and 0.03
G thiocarbamides, ultrasonic 30min make it fully dissolve and mix mixing.Then this mixed liquor is transferred in 50 ml water heating kettles and is warming up to
180 DEG C of progress hydro-thermal reactions, reaction time 12h.After room temperature, water heating kettle is taken out, by the cylindric gas of gained
Gel impregnates in deionized water, recycles deionized water and ethyl alcohol repeatedly to wash, is then freeze-dried 24 h；
（2）It takes 30 mg redox graphenes to load molybendum disulfide complexes, is cut to powder and 70 mg sublimed sulfurs are added
Powder, 30 min of grinding are uniformly mixed to it.Then mixture is moved in crucible, argon gas is replaced into crucible and sealed, by earthenware
Crucible, which is put into baking oven, is warming up to 155 DEG C, keeps 12h.After room temperature, gray mixture powder is taken out, you can make
It is spare for electrode material.
The pattern of prepared material is as shown in Figure 3-4, and for the three-dimensional hole shape structure that lamella stacks, lamella centre is uniformly
It is scattered with MoS2Nanometer sheet.After sulfur loaded, three-dimensional structure can still be kept.It is tested as it can be seen that made according to nitrogen adsorption desorption
Standby material has typical meso-hole structure.Visible material prepared, which is tested, according to X-ray diffraction has actually loaded MoS2Also
Former graphene oxide compound.Shown in Fig. 5, prepared three-dimensional grapheme is loaded into molybendum disulfide complexes after immersing sulphur
Electrochemical property test is carried out as lithium-sulphur cell positive electrode, it is seen that its cycle performance is excellent, and more simple redox graphene is made
Battery performance for anode is more excellent.
Embodiment 2
（1）It takes 30 ml graphene oxide dispersions in beaker, weighs (the NH of 0.10 g respectively4)6Mo7O24·4H2O and
0.006 g thiocarbamides, 30 min of ultrasound make it fully dissolve and mix mixing.Then this mixed liquor is transferred to 50 ml water heating kettles
In be warming up to 180 DEG C progress hydro-thermal reactions, the reaction time be 12 h.After room temperature, water heating kettle is taken out, by institute
It obtains cylindric aeroge to impregnate in deionized water, recycles deionized water and ethyl alcohol repeatedly to wash, be then freeze-dried 24 h；
（2）It takes 30 mg redox graphenes to load molybendum disulfide complexes, is cut to powder and 70 mg sublimed sulfurs are added
Powder, 30 min of grinding are uniformly mixed to it.Then mixture is moved in crucible, argon gas is replaced into crucible and sealed, by earthenware
Crucible, which is put into baking oven, is warming up to 155 DEG C, keeps 12h.After room temperature, gray mixture powder is taken out, you can make
It is spare for electrode material.
Embodiment 3
（1）It takes 30 ml graphene oxide dispersions in beaker, weighs (the NH of 0.05 g respectively4)6Mo7O24·4H2O and
0.015 g thiocarbamides, 30 min of ultrasound make it fully dissolve and mix mixing.Then this mixed liquor is transferred to 50 ml water heating kettles
In be warming up to 160 DEG C progress hydro-thermal reactions, the reaction time be 12 h.After room temperature, water heating kettle is taken out, by institute
It obtains cylindric aeroge to impregnate in deionized water, recycles deionized water and ethyl alcohol repeatedly to wash, be then freeze-dried 24 h；
（2）It takes 30 mg redox graphenes to load molybendum disulfide complexes, is cut to powder and 70 mg sublimed sulfurs are added
Powder, 30 min of grinding are uniformly mixed to it.Then mixture is moved in crucible, argon gas is replaced into crucible and sealed, by earthenware
Crucible, which is put into baking oven, is warming up to 155 DEG C, keeps 12h.After room temperature, gray mixture powder is taken out, you can make
It is spare for electrode material.
Material prepared by each embodiment assembles the button cell for being using lithium piece as cathode as anode, after standing 5 hours
It is cycle performance contrast experiment.Experimental result shows, the material made from the embodiment 1,2 and 3 is as lithium sulfur battery anode material
After use, compared to ordinary reduction graphene oxide electrode, the specific capacity of lithium-sulfur cell of the invention greatly increases, cycle performance
It greatly enhances.Reason is the good electric conductivity of three-dimensional redox graphene aeroge, large specific surface area and electrolyte contacts
Completely, faster electron transmission and transfer are can express out, while the molybdenum disulfide nano sheet loaded can effectively inhibit more sulphur
Compound into electrolyte solution to greatly improve the utilization rate to sulphur.
Claims (7)
1. a kind of preparation method of graphene-supported molybendum disulfide complexes lithium sulfur battery anode material, which is characterized in that specific
Steps are as follows：
（1）Prepare redox graphene load molybendum disulfide complexes
(NH is added into graphene oxide dispersion4)6Mo7O24·4H2O and thiocarbamide, ultrasound make it fully dissolve and mix mixed
It is even；Then this mixed liquor is transferred in water heating kettle and carries out hydro-thermal reaction, obtain brownish black aeroge, i.e. redox graphene
Load molybendum disulfide complexes；It is freeze-dried after products therefrom is washed；
（2）Prepare redox graphene load molybendum disulfide complexes sulphur positive electrode
Redox graphene obtained load molybendum disulfide complexes are cut into powder, gained powder and distillation sulphur powder are total to
It is ground to be uniformly mixed；Then mixture is warming up to 150-160 DEG C under protection of argon gas, is kept for 10-15 hours；It waits for certainly
After being so cooled to room temperature, dark gray powder is taken out, as redox graphene loads molybendum disulfide complexes sulphur positive electrode.
2. preparation method according to claim 1, which is characterized in that step（1）The concentration of middle graphene oxide dispersion
For 1-3 mg/ml, volume is 20-40 ml.
3. preparation method according to claim 1 or 2, which is characterized in that step（1）Used in (NH4)6Mo7O24·
4H2The molar ratio of O and thiocarbamide is 1:（30-14）.
4. preparation method according to claim 3, which is characterized in that step（1）Used in (NH4)6Mo7O24·
4H2O and redox graphene mass ratio are 1:（0.5-2）.
5. preparation method according to claim 1,2 or 4, which is characterized in that step（1）Middle washing solvent for use be go from
Sub- water and ethyl alcohol.
6. preparation method according to claim 5, which is characterized in that step（1）The temperature of middle hydro-thermal reaction is 160-200
DEG C, the hydro-thermal time is 8-16 hour.
7. a kind of graphene-supported molybendum disulfide complexes lithium-sulfur cell obtained by one of the claim 1-6 preparation methods
Positive electrode.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920986A (en) * | 2019-02-12 | 2019-06-21 | 上海交通大学 | A kind of preparation method and application of three-dimensional porous structure combination electrode material |
| CN110148717A (en) * | 2019-04-28 | 2019-08-20 | 东莞市戎科科技有限公司 | A kind of N doping graphene oxide/manganese sulfide carries sulphur composite material and preparation method and application |
| CN110190271A (en) * | 2019-07-02 | 2019-08-30 | 北京化工大学 | It is a kind of using carbon cloth as lithium sulfur battery anode material of substrate and preparation method thereof |
| CN110556530A (en) * | 2019-10-23 | 2019-12-10 | 扬州大学 | preparation method of molybdenum sulfide/three-dimensional macroporous graphene and lithium ion battery cathode material |
| CN111864209A (en) * | 2020-05-14 | 2020-10-30 | 清华大学 | Preparation method and application of lithium-sulfur battery positive electrode material |
| CN112186191A (en) * | 2020-10-21 | 2021-01-05 | 浙江帕瓦新能源股份有限公司 | Hamburger type ternary cathode material with 2D-2D-2D structure and preparation method thereof |
| CN112421045A (en) * | 2020-11-23 | 2021-02-26 | 福建师范大学 | Preparation method and application of graphene-loaded high-conductivity molybdenum sulfide nanoflower material |
| CN112421041A (en) * | 2020-11-17 | 2021-02-26 | 奇瑞商用车（安徽）有限公司 | B-Mo-C carrier and preparation method and application thereof |
| CN112599752A (en) * | 2021-01-06 | 2021-04-02 | 天津工业大学 | Preparation method of carbon-coated hollow kapok fiber-loaded flower-shaped molybdenum disulfide composite material as sodium ion battery negative electrode material |
| CN112875754A (en) * | 2021-01-19 | 2021-06-01 | 北京科技大学 | Preparation and application method of graphene intercalation molybdenum disulfide composite material |
| CN113451549A (en) * | 2020-03-27 | 2021-09-28 | 广州汽车集团股份有限公司 | Battery anode, diaphragm and preparation method thereof |
| CN114275776A (en) * | 2021-12-27 | 2022-04-05 | 吉林大学 | Molybdenum sulfide composite material loading manganese element on graphene, preparation method and application thereof |
| CN114335468A (en) * | 2021-12-28 | 2022-04-12 | 上海交通大学 | Positive/negative electrode material of lithium-sulfur battery and preparation method thereof |
| WO2023041799A1 (en) | 2021-09-20 | 2023-03-23 | Cambridge Enterprise Limited | Lithium sulfur cell |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226337A (en) * | 2014-09-16 | 2014-12-24 | 吉林大学 | Graphene-supported layered MoS2 (molybdenum disulfide) nanocomposite and preparation method thereof |
| CN105618085A (en) * | 2015-12-19 | 2016-06-01 | 西安交通大学 | Method for preparing rGO-loaded petal-shaped MoS2 heterostructure |
| CN107394127A (en) * | 2017-06-13 | 2017-11-24 | 陕西科技大学 | A kind of molybdenum disulfide graphene aerogel electrode material preparation method |
-
2018
- 2018-04-26 CN CN201810388431.8A patent/CN108649194A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226337A (en) * | 2014-09-16 | 2014-12-24 | 吉林大学 | Graphene-supported layered MoS2 (molybdenum disulfide) nanocomposite and preparation method thereof |
| CN105618085A (en) * | 2015-12-19 | 2016-06-01 | 西安交通大学 | Method for preparing rGO-loaded petal-shaped MoS2 heterostructure |
| CN107394127A (en) * | 2017-06-13 | 2017-11-24 | 陕西科技大学 | A kind of molybdenum disulfide graphene aerogel electrode material preparation method |
Non-Patent Citations (1)
| Title |
|---|
| LINYU HU ET AL.: ""A highly effcient double-hierarchical sulfur host for advanced lithium–sulfur batteries"", 《CHEMICAL SCIENCE》 * |
Cited By (21)
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| CN109920986A (en) * | 2019-02-12 | 2019-06-21 | 上海交通大学 | A kind of preparation method and application of three-dimensional porous structure combination electrode material |
| CN110148717A (en) * | 2019-04-28 | 2019-08-20 | 东莞市戎科科技有限公司 | A kind of N doping graphene oxide/manganese sulfide carries sulphur composite material and preparation method and application |
| CN110190271B (en) * | 2019-07-02 | 2021-07-20 | 北京化工大学 | Lithium-sulfur battery positive electrode material with carbon cloth as substrate and preparation method thereof |
| CN110190271A (en) * | 2019-07-02 | 2019-08-30 | 北京化工大学 | It is a kind of using carbon cloth as lithium sulfur battery anode material of substrate and preparation method thereof |
| CN110556530A (en) * | 2019-10-23 | 2019-12-10 | 扬州大学 | preparation method of molybdenum sulfide/three-dimensional macroporous graphene and lithium ion battery cathode material |
| CN113451549A (en) * | 2020-03-27 | 2021-09-28 | 广州汽车集团股份有限公司 | Battery anode, diaphragm and preparation method thereof |
| CN111864209A (en) * | 2020-05-14 | 2020-10-30 | 清华大学 | Preparation method and application of lithium-sulfur battery positive electrode material |
| CN111864209B (en) * | 2020-05-14 | 2021-11-30 | 清华大学 | Preparation method and application of lithium-sulfur battery positive electrode material |
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| CN112421041A (en) * | 2020-11-17 | 2021-02-26 | 奇瑞商用车（安徽）有限公司 | B-Mo-C carrier and preparation method and application thereof |
| CN112421041B (en) * | 2020-11-17 | 2022-07-19 | 奇瑞商用车（安徽）有限公司 | B-Mo-C carrier and preparation method and application thereof |
| CN112421045A (en) * | 2020-11-23 | 2021-02-26 | 福建师范大学 | Preparation method and application of graphene-loaded high-conductivity molybdenum sulfide nanoflower material |
| CN112421045B (en) * | 2020-11-23 | 2022-07-19 | 福建师范大学 | Preparation method and application of graphene-loaded high-conductivity molybdenum sulfide nanoflower material |
| CN112599752A (en) * | 2021-01-06 | 2021-04-02 | 天津工业大学 | Preparation method of carbon-coated hollow kapok fiber-loaded flower-shaped molybdenum disulfide composite material as sodium ion battery negative electrode material |
| CN112599752B (en) * | 2021-01-06 | 2023-07-18 | 天津工业大学 | Preparation method of carbon-coated hollow kapok fiber-bearing flower-shaped molybdenum disulfide composite material serving as sodium ion battery anode material |
| CN112875754A (en) * | 2021-01-19 | 2021-06-01 | 北京科技大学 | Preparation and application method of graphene intercalation molybdenum disulfide composite material |
| WO2023041799A1 (en) | 2021-09-20 | 2023-03-23 | Cambridge Enterprise Limited | Lithium sulfur cell |
| CN114275776A (en) * | 2021-12-27 | 2022-04-05 | 吉林大学 | Molybdenum sulfide composite material loading manganese element on graphene, preparation method and application thereof |
| CN114275776B (en) * | 2021-12-27 | 2023-10-13 | 吉林大学 | Molybdenum sulfide composite material with manganese element loaded on graphene, preparation method and application thereof |
| CN114335468A (en) * | 2021-12-28 | 2022-04-12 | 上海交通大学 | Positive/negative electrode material of lithium-sulfur battery and preparation method thereof |
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