CN106972168A - A kind of preparation method and application of the manganese dioxide containing Lacking oxygen/sulphur composite - Google Patents
A kind of preparation method and application of the manganese dioxide containing Lacking oxygen/sulphur composite Download PDFInfo
- Publication number
- CN106972168A CN106972168A CN201710349424.2A CN201710349424A CN106972168A CN 106972168 A CN106972168 A CN 106972168A CN 201710349424 A CN201710349424 A CN 201710349424A CN 106972168 A CN106972168 A CN 106972168A
- Authority
- CN
- China
- Prior art keywords
- manganese dioxide
- lacking oxygen
- lithium
- sulphur
- dioxide containing
- 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
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
- H01M4/362—Composites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- H01M4/36—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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
-
- 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)
- Nanotechnology (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of preparation method and application of the manganese dioxide containing Lacking oxygen/sulphur composite, methods described step is as follows：（1）Manganese dioxide is heated under inert gas shielding, the manganese dioxide containing Lacking oxygen is obtained；（2）Manganese dioxide containing Lacking oxygen is mixed with elemental sulfur, heating and calcining, obtain the manganese dioxide containing Lacking oxygen/sulphur composite.Compared with prior art, the present invention has the advantages that：（1）Manganese dioxide has good many lithium sulfide adsorption capacities, can lift the stability of lithium-sulfur cell.（2）Manganese dioxide containing Lacking oxygen has good catalytic activity, can promote transformation of many lithium sulfides to lithium sulfide, is catalyzed lithium-sulfur cell discharge process, reduces the dissolving of many lithium sulfides.（3）The content of Lacking oxygen in manganese dioxide can be controlled by different calcining heats and time, so as to control the overall performance of lithium-sulfur cell.
Description
Technical field
The invention belongs to technical field of energy material, it is related to a kind of preparation method of manganese dioxide/sulphur composite and answers
With, more particularly to a kind of preparation method and application of the manganese dioxide containing Lacking oxygen/sulphur composite.
Background technology
With the development of portable electronic industry, the demand to the battery of high-energy-density is more urgent, is limited to traditional cobalt
The restriction of the specific capacity of the materials such as sour lithium, LiMn2O4, lithium ion battery can not meet present demand.Seek a kind of higher
The secondary cell of specific capacity is imperative.Lithium-sulfur cell was very paid attention to by researcher in the last few years, due to its specific capacity
It is high（1675mAh/g）, the advantages of cost is low, elemental sulfur source is wide, nontoxic, get a good chance of turning into the secondary of high-energy-density of future generation
Battery system.
But, still there are many difficulties to govern the commercial applications of lithium-sulfur cell at present, such as：（1）Elemental sulfur is not
Conduction, influences the chemical property of whole battery；（2）Discharge potential is than relatively low, only 2.1V；（3）Discharge many sulphur of intermediate product
Change lithium and be soluble in ethers electrolyte（Shuttle effect）, cause sulphur to move to negative terminal surface by electrolyte, reduce battery life；
（4）The volumetric expansion of elemental sulfur discharge process is serious, from elemental lithium as negative material, there is potential safety hazard.In problem above
The problem of dissolving of many lithium sulfides is the maximum to be solved at present.
The method for generally solving shuttle effect is to be combined from a kind of carbon material with elemental sulfur, in the middle of elemental sulfur and electric discharge
Product is wrapped in the duct of carbon material.But recent studies suggest that, carbon material belongs to nonpolar molecule, between many lithium sulfides
The effect of chemisorbed can not be formed, causes the DeGrain for suppressing shuttle effect.Based on such a viewpoint, researcher selects again
The surface texture of element doping modified carbonaceous components is taken, but the avtive spot of doping is limited.Recently, polar molecule is used as lithium sulphur electricity
The research of pond positive electrode turns into the focus for suppressing shuttle effect.But how the emphasis of researcher's concern mainly suppresses to wear
Shuttle effect, and few people go consider catalysis lithium-sulfur cell discharge process extent of reaction problem, if accelerate many lithium sulfides to
The transfer process of lithium sulfide, also can suppress the dissolving of many lithium sulfides indirectly, so as to lift the cycle performance of lithium-sulfur cell.
The content of the invention
The present invention for existing lithium sulfur battery anode material it is not enough there is provided a kind of manganese dioxide containing Lacking oxygen/
The preparation method and application of sulphur composite, the manganese dioxide containing Lacking oxygen has good catalytic capability, can promote many
Lithium sulfide increases the stability of lithium-sulfur cell to the transformation of lithium sulfide, and Lacking oxygen directly can mix manganese dioxide in hydrogen argon
Heating is obtained in gas, simple and easy to apply.
The purpose of the present invention is achieved through the following technical solutions：
A kind of preparation method of the manganese dioxide containing Lacking oxygen/sulphur composite, comprises the following steps：
（1）Potassium permanganate and hydrochloric acid hydro-thermal reaction, prepare manganese dioxide.
In this step, the pattern of the manganese dioxide can be nano wire, nanometer rods, nanosphere, nanometer sheet, nanometer
One kind in grain, nano-array, nano flower, nanocube.
（2）Manganese dioxide is heated 2 ~ 10 hours for 200 ~ 500 DEG C under inert gas shielding, two containing Lacking oxygen are obtained
Manganese oxide.
In this step, the inert gas be argon gas, nitrogen, it is hydrogen-argon-mixed in one kind.
（3）By the manganese dioxide containing Lacking oxygen and elemental sulfur according to 1:1 ~ 4 mass ratio mixing, at 150 ~ 180 DEG C
At a temperature of heating and calcining 12 ~ 24 hours, obtain the manganese dioxide containing Lacking oxygen/sulphur composite.
The manganese dioxide containing Lacking oxygen/sulphur composite that the above method is prepared can be applied to lithium-sulphur cell positive electrode
In, the preparation method of the lithium-sulphur cell positive electrode is as follows：By the manganese dioxide containing Lacking oxygen/sulphur composite and conductive agent and
Binding agent is mixed, and is put into 40 ~ 80 DEG C of dryings in baking oven, is produced lithium sulfur battery anode material, wherein：Titanium dioxide containing Lacking oxygen
The mass content of manganese/sulphur composite is 50 ~ 80%.
Compared with prior art, the present invention has the advantages that：
（1）Manganese dioxide has good many lithium sulfide adsorption capacities, can lift the stability of lithium-sulfur cell.
（2）Manganese dioxide containing Lacking oxygen has good catalytic activity, can promote many lithium sulfides to lithium sulfide
Transformation, is catalyzed lithium-sulfur cell discharge process, reduces the dissolving of many lithium sulfides.
（3）The content of Lacking oxygen in manganese dioxide can be controlled by different calcining heats and time, so as to control lithium
The overall performance of sulphur battery.
（4）Preparing raw material cost is low, and manufacture craft is simple, preparation process clean environment firendly.
Brief description of the drawings
The SEM figures for the manganese dioxide containing Lacking oxygen that Fig. 1 is prepared for the present invention；
Fig. 2 for the manganese dioxide for containing Lacking oxygen/sulphur composite for preparing of the present invention as during lithium-sulphur cell positive electrode first
Charging and discharging curve figure；
Fig. 3 is the manganese dioxide for the containing Lacking oxygen/sulphur composite of the invention prepared as 0.1C during lithium-sulphur cell positive electrode
Discharge cycles curve.
Embodiment
Technical scheme is further described with reference to embodiment, but is not limited thereto, it is every right
Technical solution of the present invention is modified or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, all should be contained
Cover in protection scope of the present invention.
Embodiment 1
（1）0.397g potassium permanganate is taken, is dissolved into 24mL deionized waters, 30min is stirred, is slowly added to 6mL 1mol/L's
Watery hydrochloric acid, continues to stir 30min, transfers the solution into 50mL ptfe autoclaves, and 150 DEG C of hydro-thermals 6 hours will be obtained
Hydrothermal product centrifugation, dry, obtain manganese dioxide；
（2）The manganese dioxide for taking 0.1g to prepare, 200 DEG C are heated 2 hours under hydrogen-argon-mixed atmosphere, are obtained containing Lacking oxygen
Manganese dioxide；
（3）The 50 mg manganese dioxide and 200 mg bright sulfurs for containing Lacking oxygen is ground uniform, is put into tube furnace, logical argon gas is done
Protect 155 DEG C of gas to calcine 12 hours, obtain MnO2-x/ S composites.
Embodiment 2
（1）0.397g potassium permanganate is taken, is dissolved into 24mL deionized waters, 30min is stirred, is slowly added to 6mL 1mol/L's
Watery hydrochloric acid, continues to stir 30min, transfers the solution into 50mL ptfe autoclaves, and 150 DEG C of hydro-thermals 6 hours will be obtained
Hydrothermal product centrifugation, dry, obtain manganese dioxide；
（2）The manganese dioxide for taking 0.1g to prepare, 200 DEG C are heated 2 hours under hydrogen-argon-mixed atmosphere, are obtained containing Lacking oxygen
Manganese dioxide；
（3）The 50 mg manganese dioxide and 200 mg bright sulfurs for containing Lacking oxygen is ground uniform, is put into tube furnace, logical argon gas is done
Protect 155 DEG C of gas to calcine 12 hours, obtain MnO2-x/ S composites.
Embodiment 3
（1）0.397g potassium permanganate is taken, is dissolved into 24mL deionized waters, 30min is stirred, is slowly added to 12mL 1mol/L's
Watery hydrochloric acid, continues to stir 30min, transfers the solution into 50mL ptfe autoclaves, and 150 DEG C of hydro-thermals 6 hours will be obtained
Hydrothermal product centrifugation, dry, obtain manganese dioxide；
（2）The manganese dioxide for taking 0.1g to prepare, 300 DEG C are heated 2 hours under hydrogen-argon-mixed atmosphere, are obtained containing Lacking oxygen
Manganese dioxide；
（3）The 50 mg manganese dioxide and 200 mg bright sulfurs for containing Lacking oxygen is ground uniform, is put into tube furnace, logical argon gas is done
Protect 155 DEG C of gas to calcine 12 hours, obtain MnO2-x/ S composites.
Embodiment 4
（1）0.397g potassium permanganate is taken, is dissolved into 24mL deionized waters, 30min is stirred, is slowly added to 12mL 1mol/L's
Watery hydrochloric acid, continues to stir 30min, transfers the solution into 50mL ptfe autoclaves, and 150 DEG C of hydro-thermals 6 hours will be obtained
Hydrothermal product centrifugation, dry, obtain manganese dioxide；
（2）The manganese dioxide for taking 0.1g to prepare, 400 DEG C are heated 2 hours under hydrogen-argon-mixed atmosphere, are obtained containing Lacking oxygen
Manganese dioxide；
（3）The 50 mg manganese dioxide and 200 mg bright sulfurs for containing Lacking oxygen is ground uniform, is put into tube furnace, logical argon gas is done
Protect 155 DEG C of gas to calcine 12 hours, obtain MnO2-x/ S composites.
Embodiment 5
（1）0.397g potassium permanganate is taken, is dissolved into 24mL deionized waters, 30min is stirred, is slowly added to 12mL 1mol/L's
Watery hydrochloric acid, continues to stir 30min, transfers the solution into 50mL ptfe autoclaves, and 150 DEG C of hydro-thermals 6 hours will be obtained
Hydrothermal product centrifugation, dry, obtain manganese dioxide；
（2）The manganese dioxide for taking 0.1g to prepare, 200 DEG C are heated 5 hours under hydrogen-argon-mixed atmosphere, are obtained containing Lacking oxygen
Manganese dioxide；
（3）The 50 mg manganese dioxide and 200 mg bright sulfurs for containing Lacking oxygen is ground uniform, is put into tube furnace, logical argon gas is done
Protect 155 DEG C of gas to calcine 12 hours, obtain MnO2-x/ S composites.
Embodiment 6
（1）0.397g potassium permanganate is taken, is dissolved into 24mL deionized waters, 30min is stirred, is slowly added to 12mL 1mol/L's
Watery hydrochloric acid, continues to stir 30min, transfers the solution into 50mL ptfe autoclaves, and 150 DEG C of hydro-thermals 6 hours will be obtained
Hydrothermal product centrifugation, dry, obtain manganese dioxide；
（2）The manganese dioxide for taking 0.1g to prepare, 200 DEG C are heated 5 hours under hydrogen-argon-mixed atmosphere, are obtained containing Lacking oxygen
Manganese dioxide；
（3）The 50 mg manganese dioxide and 100 mg bright sulfurs for containing Lacking oxygen is ground uniform, is put into tube furnace, logical argon gas is done
Protect 155 DEG C of gas to calcine 12 hours, obtain MnO2-x/ S composites.
Embodiment 7
The preparation and performance test of electrode：By MnO2-x/ S composites, Super P and PVDF are according to mass ratio 8：1：1 mixes
Close, solvent is made of NMP, form slurry, stir 12 hours, be coated on aluminium foil as positive pole, with lithium metal as negative pole, use
The model barrier films of Celgard 2400,1mol/L LiTFSI is dissolved in DOL/DME, and (volume ratio is 1:1) it is electrolysed in solvent
Liquid, 1mol/L LiNO3Additive is done, button cell is assembled into glove box.Carried out using Neware ponds test system
Constant current charge-discharge test, charging/discharging voltage scope is 1.7 ~ 2.8 V.
Fig. 1 is MnO2-xThe SEM pictures of/S compounds, it is uniform in size in it can be seen from the figure that manganese dioxide hollow sphere, have
Very big hollow structure, can the substantial amounts of elemental sulfur of back loading.
Fig. 2 is the button cell assembled charging and discharging curve when current density is 0.1C, and discharge capacity is first
1201.12 mAh/g。
Fig. 3 is the button cell curve that charge and discharge cycles 150 are enclosed when current density is 0.1C of assembling, circulates 50 appearances
It is 74.23% to measure retention rate, and 100 capacity retention rates of circulation are 71.77%, and 150 capacity retention rates of circulation are 66.47%.
Claims (7)
1. a kind of preparation method of the manganese dioxide containing Lacking oxygen/sulphur composite, it is characterised in that methods described step is such as
Under：
（1）Manganese dioxide is heated 2 ~ 10 hours for 200 ~ 500 DEG C under inert gas shielding, the titanium dioxide containing Lacking oxygen is obtained
Manganese；
（2）By the manganese dioxide containing Lacking oxygen and elemental sulfur according to 1:1 ~ 4 mass ratio mixing, in 150 ~ 180 DEG C of temperature
Lower heating and calcining 12 ~ 24 hours, obtains the manganese dioxide containing Lacking oxygen/sulphur composite.
2. the preparation method of the manganese dioxide containing Lacking oxygen/sulphur composite according to claim 1, it is characterised in that
The pattern of the manganese dioxide is nano wire, nanometer rods, nanosphere, nanometer sheet, nano particle, nano-array, nano flower, nanometer
One kind in cube.
3. the preparation method of the manganese dioxide containing Lacking oxygen/sulphur composite according to claim 1 or 2, its feature
It is that the manganese dioxide is prepared from by potassium permanganate with hydrochloric acid hydro-thermal reaction.
4. the preparation method of the manganese dioxide containing Lacking oxygen/sulphur composite according to claim 1, it is characterised in that
The inert gas be argon gas, nitrogen, it is hydrogen-argon-mixed in one kind.
5. manganese dioxide/sulphur containing Lacking oxygen that a kind of claim 1-4 any claim methods describeds are prepared is multiple
Application of the condensation material in lithium-sulphur cell positive electrode.
6. the manganese dioxide containing the Lacking oxygen/sulphur composite according to claim 5 is in lithium-sulphur cell positive electrode
Application, it is characterised in that the preparation method of the lithium-sulphur cell positive electrode is as follows：Manganese dioxide/sulphur containing Lacking oxygen is combined
Material is mixed with conductive agent and binding agent, is put into 40 ~ 80 DEG C of dryings in baking oven, is produced lithium sulfur battery anode material.
7. the manganese dioxide containing the Lacking oxygen/sulphur composite according to claim 5 is in lithium-sulphur cell positive electrode
Application, it is characterised in that the mass content of the manganese dioxide containing the Lacking oxygen/sulphur composite is 50 ~ 80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349424.2A CN106972168A (en) | 2017-05-17 | 2017-05-17 | A kind of preparation method and application of the manganese dioxide containing Lacking oxygen/sulphur composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349424.2A CN106972168A (en) | 2017-05-17 | 2017-05-17 | A kind of preparation method and application of the manganese dioxide containing Lacking oxygen/sulphur composite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106972168A true CN106972168A (en) | 2017-07-21 |
Family
ID=59325823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710349424.2A Pending CN106972168A (en) | 2017-05-17 | 2017-05-17 | A kind of preparation method and application of the manganese dioxide containing Lacking oxygen/sulphur composite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106972168A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611374A (en) * | 2017-08-18 | 2018-01-19 | 哈尔滨工业大学 | A kind of preparation method of new lithium sulfur battery anode material |
| CN107799317A (en) * | 2017-09-30 | 2018-03-13 | 南京理工大学 | Manganese dioxide@manganese dioxide sub-micron balls and preparation method thereof |
| CN109768262A (en) * | 2019-01-25 | 2019-05-17 | 天津理工大学 | A kind of cadmium modified manganese dioxide positive electrode and its preparation method and application |
| CN110571500A (en) * | 2019-09-18 | 2019-12-13 | 昆明理工大学 | lithium-sulfur semi-flow battery |
| CN110993371A (en) * | 2019-11-22 | 2020-04-10 | 南京理工大学 | LiMnxOy@ C three-dimensional nanosheet array, preparation method and application thereof |
| CN111261873A (en) * | 2020-02-12 | 2020-06-09 | 西京学院 | N-MnO2Preparation and application of/S composite material |
| CN112807488A (en) * | 2019-11-18 | 2021-05-18 | 中国科学院上海硅酸盐研究所 | Ion adsorption type manganese dioxide coating with function of promoting bone differentiation and preparation method and application thereof |
| CN114552030A (en) * | 2022-02-23 | 2022-05-27 | 华北电力大学 | Low-cost environment-friendly aqueous zinc ion battery positive electrode material and preparation method thereof |
| CN114583166A (en) * | 2020-12-01 | 2022-06-03 | 河南大学 | Lithium-sulfur battery and preparation method thereof |
| CN115036646A (en) * | 2022-04-26 | 2022-09-09 | 青岛科技大学 | Nano composite material battery diaphragm, preparation method thereof and lithium battery |
| CN115189097A (en) * | 2022-07-21 | 2022-10-14 | 吉林大学 | Preparation method of composite diaphragm containing manganese dioxide two-dimensional nano material modification layer |
| CN117548105A (en) * | 2024-01-09 | 2024-02-13 | 西南石油大学 | alpha-MnO 2 Nanorod-loaded RuO 2 Positive electrode catalyst of lithium-sulfur battery and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553137A (en) * | 2013-11-04 | 2014-02-05 | 中国科学院广州能源研究所 | Method for preparing nano manganese dioxides with different appearances by hydrothermal synthesis process |
| CN105609707A (en) * | 2016-02-21 | 2016-05-25 | 钟玲珑 | Preparation method of manganese dioxide hollow sphere cathode material for lithium-sulfur battery |
| CN106129356A (en) * | 2016-07-14 | 2016-11-16 | 扬州大学 | A kind of preparation method of hollow meso-porous titanium dioxide manganese pipe/sulfur composite |
| KR20160141615A (en) * | 2015-06-01 | 2016-12-09 | 한국과학기술연구원 | Transition metal oxide-sulfur composite materials for cathodes in lithium-sulfur batteries and preparation method thereof |
-
2017
- 2017-05-17 CN CN201710349424.2A patent/CN106972168A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553137A (en) * | 2013-11-04 | 2014-02-05 | 中国科学院广州能源研究所 | Method for preparing nano manganese dioxides with different appearances by hydrothermal synthesis process |
| KR20160141615A (en) * | 2015-06-01 | 2016-12-09 | 한국과학기술연구원 | Transition metal oxide-sulfur composite materials for cathodes in lithium-sulfur batteries and preparation method thereof |
| CN105609707A (en) * | 2016-02-21 | 2016-05-25 | 钟玲珑 | Preparation method of manganese dioxide hollow sphere cathode material for lithium-sulfur battery |
| CN106129356A (en) * | 2016-07-14 | 2016-11-16 | 扬州大学 | A kind of preparation method of hollow meso-porous titanium dioxide manganese pipe/sulfur composite |
Non-Patent Citations (1)
| Title |
|---|
| ZHI-ZHENG YANG ET AL.: ""Hierarchical TiO2 spheres as highly efficient polysulfide host for lithium-sulfur batteries"", 《SCIENTIFIC REPORTS》 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611374A (en) * | 2017-08-18 | 2018-01-19 | 哈尔滨工业大学 | A kind of preparation method of new lithium sulfur battery anode material |
| CN107799317A (en) * | 2017-09-30 | 2018-03-13 | 南京理工大学 | Manganese dioxide@manganese dioxide sub-micron balls and preparation method thereof |
| CN109768262A (en) * | 2019-01-25 | 2019-05-17 | 天津理工大学 | A kind of cadmium modified manganese dioxide positive electrode and its preparation method and application |
| CN110571500A (en) * | 2019-09-18 | 2019-12-13 | 昆明理工大学 | lithium-sulfur semi-flow battery |
| CN110571500B (en) * | 2019-09-18 | 2023-04-07 | 昆明理工大学 | Lithium-sulfur semi-flow battery |
| CN112807488B (en) * | 2019-11-18 | 2022-04-08 | 中国科学院上海硅酸盐研究所 | Ion adsorption type manganese dioxide coating with function of promoting bone differentiation and preparation method and application thereof |
| CN112807488A (en) * | 2019-11-18 | 2021-05-18 | 中国科学院上海硅酸盐研究所 | Ion adsorption type manganese dioxide coating with function of promoting bone differentiation and preparation method and application thereof |
| CN110993371A (en) * | 2019-11-22 | 2020-04-10 | 南京理工大学 | LiMnxOy@ C three-dimensional nanosheet array, preparation method and application thereof |
| CN110993371B (en) * | 2019-11-22 | 2021-09-03 | 南京理工大学 | LiMnxOy@ C three-dimensional nanosheet array, preparation method and application thereof |
| CN111261873A (en) * | 2020-02-12 | 2020-06-09 | 西京学院 | N-MnO2Preparation and application of/S composite material |
| CN114583166A (en) * | 2020-12-01 | 2022-06-03 | 河南大学 | Lithium-sulfur battery and preparation method thereof |
| CN114552030A (en) * | 2022-02-23 | 2022-05-27 | 华北电力大学 | Low-cost environment-friendly aqueous zinc ion battery positive electrode material and preparation method thereof |
| CN115036646A (en) * | 2022-04-26 | 2022-09-09 | 青岛科技大学 | Nano composite material battery diaphragm, preparation method thereof and lithium battery |
| CN115189097A (en) * | 2022-07-21 | 2022-10-14 | 吉林大学 | Preparation method of composite diaphragm containing manganese dioxide two-dimensional nano material modification layer |
| CN117548105A (en) * | 2024-01-09 | 2024-02-13 | 西南石油大学 | alpha-MnO 2 Nanorod-loaded RuO 2 Positive electrode catalyst of lithium-sulfur battery and preparation method thereof |
| CN117548105B (en) * | 2024-01-09 | 2024-03-19 | 西南石油大学 | alpha-MnO 2 Nanorod-loaded RuO 2 Positive electrode catalyst of lithium-sulfur battery and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106972168A (en) | A kind of preparation method and application of the manganese dioxide containing Lacking oxygen/sulphur composite | |
| Zhang et al. | Highly sulfiphilic Ni-Fe bimetallic oxide nanoparticles anchored on carbon nanotubes enable effective immobilization and conversion of polysulfides for stable lithium-sulfur batteries | |
| CN107611409B (en) | Preparation method of flaky nano FeS2/C negative electrode material | |
| CN106450195B (en) | A kind of positive material for lithium-sulfur battery and preparation method thereof and the lithium-sulfur cell containing the positive electrode | |
| CN103715424B (en) | A kind of nucleocapsid structure positive electrode and preparation method thereof | |
| CN102208608B (en) | Preparation method of carbon-sulfur composite material for lithium ion battery carbon cathode material | |
| CN104795560B (en) | A kind of rich sodium P2 phase layered oxide materials and its production and use | |
| Du et al. | Study of effects on LiNi0. 8Co0. 15Al0. 05O2 cathode by LiNi1/3Co1/3Mn1/3O2 coating for lithium ion batteries | |
| CN103441259B (en) | A kind of high magnification aquo-base metal electrochemical cells positive electrode and preparation method thereof | |
| CN107768620A (en) | A kind of carbon nano-fiber with heterojunction structure, stannic disulfide, the preparation method and application of tin ash and sulphur composite | |
| CN107611374A (en) | A kind of preparation method of new lithium sulfur battery anode material | |
| CN107123803A (en) | A kind of method and application based on metallo-organic framework synthesis of titanium dioxide and carbon composite | |
| CN106960954A (en) | A kind of preparation method and application of Prussian blue/graphene/sulphur composite | |
| CN103346297A (en) | Preparation method for carbon coated composite metal oxide electrode material | |
| CN102386382A (en) | CMK-5 type mesoporous carbon-nano inorganic substance composite material, preparation method and application thereof | |
| CN104993118A (en) | Synthesizing method for lithium-ion negative electrode material of Li4Ti5O12/C | |
| CN104852040B (en) | A kind of preparation method of the nickel lithium manganate cathode material of high multiplying power lithium ion battery | |
| CN107946553A (en) | High graphitization three dimensional carbon nanotubes graphene composite material and its preparation and application | |
| CN110350158A (en) | A kind of sulphur composite positive pole and its preparation method and application | |
| CN107946564B (en) | Rich in Na4Mn2O5/Na0.7MnO2Composite material and preparation method and application thereof | |
| CN108987725A (en) | A kind of anode composite material of lithium sulfur battery and preparation method thereof | |
| Zhou et al. | Study of spherical Li1. 2-xNaxMn0. 534Ni0. 133Co0. 133O2 cathode based on dual Li+/Na+ transport system for Li-ion batteries | |
| CN107742706A (en) | A kind of preparation method and applications of graphene composition metal boride and sulphur composite nano materials | |
| CN111211302B (en) | Lithium ion battery anode material and preparation method thereof, lithium ion battery anode, lithium ion battery and power utilization equipment | |
| CN107887605A (en) | One kind is based on active MnO2The preparation method of the lithium-sulphur cell positive electrode of catalysis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170721 |
|
| RJ01 | Rejection of invention patent application after publication |