CN107342404A - A kind of carbon modifies MoS2/MoO2Double-phase composite and preparation method thereof - Google Patents
A kind of carbon modifies MoS2/MoO2Double-phase composite and preparation method thereof Download PDFInfo
- Publication number
- CN107342404A CN107342404A CN201710448670.3A CN201710448670A CN107342404A CN 107342404 A CN107342404 A CN 107342404A CN 201710448670 A CN201710448670 A CN 201710448670A CN 107342404 A CN107342404 A CN 107342404A
- Authority
- CN
- China
- Prior art keywords
- moo
- mos
- carbon
- preparation
- modifies
- 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
- 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
-
- 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
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- 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
-
- 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
-
- 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 discloses a kind of carbon to modify MoS2/MoO2Double-phase composite and preparation method thereof, belong to electrochemistry and new energy materialses field.The present invention directly mixes graphene oxide with CNT, ammonium molybdate, thiocarbamide, with the acid-base value of watery hydrochloric acid and sodium hydrate regulator solution, it is agitated afterwards, ultrasonic after hydro-thermal.The product that hydro-thermal obtains carries out normal-temperature vacuum drying afterwards for several times with deionized water and washes of absolute alcohol, and calcining obtains target product under atmosphere protection afterwards.By adjusting mixed liquor acid-base value, MoS can be prepared with a step2/MoO2The foam-like composite of two-phase.The graphene of stratiform forms stable three-dimensional conductive network in material internal with rod carbon nanotube, and molybdenum disulfide provides high specific capacitance, and molybdenum dioxide improves the electric conductivity of material.The foamed composite shows high specific capacity and excellent cyclical stability as lithium ion battery negative material.
Description
Technical field
The invention discloses a kind of carbon to modify MoS2/MoO2Two-phase foamed composite and preparation method thereof, belongs to electrochemistry
With new energy materialses field.
Background technology
Molybdenum dioxide has rutile structure, and its agent structure passes through [MoO by molybdenum ion and oxonium ion6] octahedra corner-sharing
Form, the small lithium ion of radius, which can not only be embedded into inside octahedron, can also enter between octahedron without causing structure
Reformation, its theoretical embedding lithium capacity be 838 mAh/g, far above being commercialized graphite cathode material at present；There is metalloid simultaneously
Low-resistivity（8.8×10-5Ω.cm）, high-melting-point, high chemical stability and nontoxicity, make it in negative electrode of lithium ion battery
There are great potentiality in terms of materials application.But molybdenum dioxide ion cathode material lithium field application by cyclical stability and
The problems such as capacity attenuation, restricts.Two-dimensional layer nano material is closed extensively because there is the new method for leading to Low-dimensional Systems
Note, molybdenum disulfide is quasi- two-dimensional layered structure, and typical S-Mo-S three layers structures are presented, and passes through Van der Waals force between its each layer
Interaction, is advantageous to the insertion of lithium ion, big as negative electrode of lithium ion battery theoretical capacity（~670 mAh/g）.Molybdenum disulfide
Volume Changes can be produced in charge and discharge process, destroy the structure of material so as to reduce the cyclical stability of material.David
Mitlin et al. passes through sulfur modification porous three-dimensional MoO2To prepare by multilayer MoS2Cover MoO2It is three-D nano-porous netted multiple
Condensation material, excellent performance is shown as negative electrode of lithium ion battery, discharge ratio first under 100 mA/g current density
Capacity reaches 1233 mAh/g, and 80 successors of circulation have 1171 mAh/g（J. Phys. Chem. C 2014, 118, 18387
−18396）.
The content of the invention
It is an object of the invention to provide a kind of carbon to modify MoS2/MoO2Two-phase foamed composite and preparation method thereof.Should
Method is that graphene oxide is well mixed to rear hydro-thermal with CNT, four water and ammonium molybdate, thiocarbamide, and the product after hydro-thermal is frequent
Calcined after temperature vacuum drying under protective atmosphere, ultimately form carbon modification MoS2/MoO2Binary phase materials.
The object of the present invention is achieved like this：Carbon modifies MoS2/MoO2The preparation method of two-phase foamed composite, will
Graphene oxide is adjusted after being well mixed with treated CNT, Ammonium Molybdate Tetrahydrate, thiocarbamide with hydrochloric acid and sodium hydroxide
The acid-base value of solution, stir, the laggard water-filling thermal response of ultrasound, the product deionized water and washes of absolute alcohol after hydro-thermal are for several times
Normal-temperature vacuum is dried afterwards, and normal-temperature vacuum is dried, and the dried material of normal-temperature vacuum is calcined to obtain target product in a nitrogen atmosphere,
That is carbon modification MoS2/MoO2Two-phase foamed composite.
Described hydrothermal temperature is 180-220 DEG C, the hydro-thermal reaction time 20-30h.
In order to keep its three-dimensional porous foaming structure, product after the described hydro-thermal vacuum freeze drying at -50 DEG C,
Drying time is 24h.Sample after freeze-drying maintains the foaming structure of three-dimensional.
Described calcining heat is 600-900 DEG C, calcination time 2-6h.
Described treated CNT is CNT in Ar/H2Calcined under atmosphere, 500-600 DEG C of calcining heat,
Calcination time 1-3 hours.CNT after calcining is placed in the HNO that concentration is 70%3In at 60 DEG C soak 1-2 hours.Place
Carbon nano tube surface after reason contains oxygen-containing functional group, has good hydrophily.
The mass ratio of described graphene oxide and treated CNT, Ammonium Molybdate Tetrahydrate, thiocarbamide is 1:1:1:2
~7。
Described uses the acid-base value of hydrochloric acid and sodium hydrate regulator solution to 3-12.
A kind of carbon modification MoS provided by the invention2/MoO2Two-phase foamed composite and preparation method thereof, possessing following has
Beneficial effect：
（1）Carbon modification MoS prepared by the method2/MoO2Two-phase foamed composite experimental procedure is simple, i.e. prepared by a step hydro-thermal contains
Molybdenum disulfide, molybdenum dioxide binary phase materials.
（2）Electrode material prepared by the method forms three-dimensional conductive network by graphene and CNT, can effectively improve
The electric conductivity and cyclical stability of material.
（3）Molybdenum sulfide provides high power capacity, and molybdenum oxide improves electrical conductivity, and the two, which mutually acts synergistically, improves the electricity of composite
Chemical property.
（4）Electrode material prepared by the method is the self-supporting flexible electrode material without binding agent, conductive agent and collector,
The energy density of material can be significantly improved.
（5）Electrode material prepared by the method is foam-like, has lighter quality and preferable mechanics pliability.
The present invention prepares carbon modification MoS using a kind of straightforward procedure2/MoO2Two-phase foamed composite, the material contain simultaneously
There are molybdenum disulfide, molybdenum dioxide two-phase, the acid-base value by adjusting presoma mixed liquor can control the ratio of the two.The material is
Foam-like, there is lighter quality and preferable mechanics pliability, the ratio of superelevation is shown as lithium ion battery negative material
Capacity and super good stable circulation performance.The present invention prepares two using graphene and CNT as decorative material with hydro-thermal method
Molybdenum sulfide, molybdenum dioxide two-phase, and it is grown in carbon nano tube surface.This method is there is not yet any document and patent report
Road.
Brief description of the drawings
Fig. 1 is that a kind of carbon prepared by the embodiment of the present invention 1 modifies MoS2/MoO2The photo of two-phase foamed composite.
Fig. 2 is that a kind of carbon prepared by the embodiment of the present invention 1 modifies MoS2/MoO2The X-ray of two-phase foamed composite is spread out
Penetrate（XRD）Collection of illustrative plates.
Fig. 3 is that a kind of carbon prepared by the embodiment of the present invention 1 modifies MoS2/MoO2The ESEM of two-phase foamed composite
Photo (SEM), wherein a are the accompanying drawing of 30000 multiplying powers of amplification, and b is the accompanying drawing of 50000 multiplying powers of amplification.
Fig. 4 is that a kind of carbon prepared by the embodiment of the present invention 1 modifies MoS2/MoO2Preceding 2 charge and discharges of two-phase foamed composite
Electric curve.
Fig. 5 is that a kind of carbon prepared by the embodiment of the present invention 1 modifies MoS2/MoO2The stable circulation of two-phase foamed composite
Performance.
Embodiment
With reference to instantiation, the present invention is further described.
Embodiment 1：A kind of carbon modifies MoS2/MoO2Two-phase foamed composite and preparation method thereof
By the graphene oxide graphene of preparation（35 mL, 1 mg/mL）With treated CNT（0.35 g）And four water and
Ammonium molybdate（0.35 g）, thiocarbamide（0.8 g）It is placed in hydrothermal reaction kettle liner, uses watery hydrochloric acid（1 mol L-1）Adjust presoma
Acid-base value is to pH=6, and ultrasound 20 minutes, is placed in hydro-thermal in reactor afterwards after stirring 20 minutes.200 DEG C of hydrothermal temperature, hydro-thermal
24 hours time.Product deionized water and washes of absolute alcohol after hydro-thermal for several times after cryogenic freezing, it is true to carry out normal temperature afterwards
Sky is dried, and normal-temperature vacuum drying time is 24 hours, and the dried material of normal-temperature vacuum is calcined in a nitrogen atmosphere, calcining heat
For 800 DEG C, soaking time is 4 hours, finally gives carbon modification MoS2/MoO2Two-phase foamed composite.Fig. 1 is the carbon prepared
Modify MoS2/MoO2Two-phase foam negative material photo, from photo it can be seen that the material is foam-like.Fig. 2 is that the carbon prepared is repaiied
Adorn MoS2/MoO2Two-phase foam negative material XRD spectrum, by contrasting with standard card, it can prove to contain in the material
MoS2、MoO2Two-phase.Fig. 3 is that the carbon of middle preparation modifies MoS2/MoO2The SEM photograph of two-phase foamed composite, it can be seen that stone
Black alkene constitutes conductive network with CNT.It can be seen that a large amount of CNTs are crossed-over from the SEM of high power simultaneously
Together, the transmission for electronics and the diffusion of ion provide good passage.Prepared carbon modification MoS2/MoO2Two-phase is steeped
Foam composite shows higher specific capacity and excellent stable circulation performance.By the electrode directly as working electrode, lithium
Piece is that electrolyte is the general M LiPF of lithium-ion battery electrolytes 1 to electrode6/DMC: EC=1:1, prepare 2025 type knobs
Battery is detained, with 100 mA g-1Current density discharge and recharge.Preceding 2 charging and discharging curves of the electrode are as shown in Figure 5, it can be seen that
The discharge capacity first of the material is 700.8 mAh g-1, reversible charging capacity is 497 mAh g first-1, second reversible
Capacity is 506.9 mAh g-1.After 150 circulations, reversible charging capacity is 560 mAh g-1.Can from cycle performance figure
Go out, the material has good cycle performance.
A kind of 2 carbon of embodiment modifies MoS2/MoO2Two-phase foamed composite and its preparation method II
By the graphene of preparation（35 mL, 1 mg/mL）With treated CNT（0.35 g）And four water and ammonium molybdate
（0.35 g）, thiocarbamide（0.8 g）It is placed in hydrothermal reaction kettle liner, uses watery hydrochloric acid（1 mol L-1）Adjust the acid-base value of presoma
To pH=5, ultrasound 20 minutes, is placed in hydro-thermal in reactor afterwards after stirring 20 minutes.200 DEG C of hydrothermal temperature, hydro-thermal time 24
Hour.Product deionized water and washes of absolute alcohol after hydro-thermal for several times after cryogenic freezing, carry out normal-temperature vacuum drying afterwards,
Normal-temperature vacuum drying time is 24 hours, and the dried material of normal-temperature vacuum is calcined in a nitrogen atmosphere, calcining heat 800
DEG C, soaking time is 4 hours, finally gives carbon modification MoS2/MoO2Two-phase foamed composite.The electrode material test condition
As described in example 1 above, as lithium ion battery negative material, with 100 m A g-1Current density carries out discharge and recharge, first may be used
Inverse capacity is 620 mAh g-1, the reversible capacity after 150 circulations is 530 m Ah g-1。
A kind of 3 carbon of embodiment modifies MoS2/MoO2Two-phase foamed composite and preparation method thereof III
By the graphene of preparation（35 mL, 1 mg/mL）With treated CNT（0.35 g）And four water and ammonium molybdate
（0.35 g）, thiocarbamide（0.8 g）It is placed in hydrothermal reaction kettle liner, uses watery hydrochloric acid（1 mol L-1）Adjust the acid-base value of presoma
To pH=4, ultrasound 20 minutes, is placed in hydro-thermal in reactor afterwards after stirring 20 minutes.200 DEG C of hydrothermal temperature, hydro-thermal time 24
Hour.Product deionized water and washes of absolute alcohol after hydro-thermal for several times after cryogenic freezing, carry out normal-temperature vacuum drying afterwards,
Normal-temperature vacuum drying time is 24 hours, and the dried material of normal-temperature vacuum is calcined in a nitrogen atmosphere, calcining heat 800
DEG C, soaking time is 4 hours, finally gives carbon modification MoS2/MoO2Two-phase foam negative material.The electrode material test condition
As described in example 1 above, as lithium ion battery negative material, with 100 m A g-1Current density carries out discharge and recharge, first may be used
Inverse capacity is 530 mAh g-1, the reversible capacity after 150 circulations is 420 mAh g-1。
A kind of 4 carbon of embodiment modifies MoS2/MoO2Two-phase foamed composite and preparation method thereof IV
By the graphene of preparation（35 mL, 1 mg/mL）With treated CNT（0.35 g）And four water and ammonium molybdate
（0.35 g）, thiocarbamide（0.8 g）It is placed in hydrothermal reaction kettle liner, uses sodium hydroxide（1 mol L-1）Adjust the soda acid of presoma
Degree is to pH=7, and ultrasound 20 minutes, is placed in hydro-thermal in reactor afterwards after stirring 20 minutes.200 DEG C of hydrothermal temperature, hydro-thermal time
24 hours.Product deionized water and washes of absolute alcohol after hydro-thermal for several times after cryogenic freezing, carry out normal-temperature vacuum afterwards and do
Dry, normal-temperature vacuum drying time is 24 hours, and the dried material of normal-temperature vacuum is calcined in a nitrogen atmosphere, and calcining heat is
800 DEG C, soaking time is 4 hours, finally gives carbon modification MoS2/MoO2Two-phase foamed composite.The electrode material is tested
Condition as described in example 1 above, as lithium ion battery negative material, with 100 m A g-1Current density carries out discharge and recharge, first
Secondary reversible capacity is 690.5 mAh g-1, the reversible capacity after 150 circulations is 537 mAh g-1。
A kind of 5 carbon of embodiment modifies MoS2/MoO2Two-phase foamed composite and preparation method thereof V
By the graphene of preparation（35 mL, 1 mg/mL）With treated CNT（0.35 g）And four water and ammonium molybdate
（0.35 g）, thiocarbamide（0.8 g）It is placed in hydrothermal reaction kettle liner, the acid-base value of presoma is adjusted to pH=8 with sodium hydroxide,
Ultrasound 20 minutes, are placed in hydro-thermal in reactor afterwards after stirring 20 minutes.200 DEG C of hydrothermal temperature, 24 hours hydro-thermal time.Water
Product deionized water and washes of absolute alcohol after heat for several times after cryogenic freezing, carry out normal-temperature vacuum drying afterwards, normal temperature is true
Empty drying time is 24 hours, and the dried material of normal-temperature vacuum is calcined in a nitrogen atmosphere, and calcining heat is 800 DEG C, insulation
Time is 4 hours, finally gives carbon modification MoS2/MoO2Two-phase foam negative material.The electrode material test condition such as embodiment
Described in 1, as lithium ion battery negative material, with 100 m A g-1Current density carries out discharge and recharge, and reversible capacity is first
510 mAh g-1, the reversible capacity after 150 circulations is 482 mAh g-1。
Claims (6)
1. a kind of carbon modifies MoS2/MoO2The preparation method of two-phase foamed composite, it is characterised in that：By graphene oxide with
With the acid-base value of hydrochloric acid and sodium hydrate regulator solution after treated CNT, Ammonium Molybdate Tetrahydrate, thiocarbamide are well mixed,
Stir, the laggard water-filling thermal response of ultrasound, the product after hydro-thermal with deionized water and washes of absolute alcohol, do for several times by rear normal-temperature vacuum
Dry, normal-temperature vacuum is dried, and the dried material of normal-temperature vacuum is calcined to obtain target product in a nitrogen atmosphere, i.e. carbon is modified
MoS2/MoO2Two-phase foamed composite.
2. carbon as claimed in claim 1 modifies MoS2/MoO2The preparation method of two-phase foamed composite, it is characterised in that：Water
Thermal response temperature is 180-220 DEG C, the hydro-thermal reaction time 20-30h.
3. carbon as claimed in claim 1 modifies MoS2/MoO2The preparation method of two-phase foamed composite, it is characterised in that：For
Keep its three-dimensional loose porous foaming structure, the product after hydro-thermal is in -50 DEG C of vacuum freeze drying 24h.
4. carbon as claimed in claim 1 modifies MoS2/MoO2The preparation method of two-phase foamed composite, it is characterised in that：It is cold
Freezing dried product needs to calcine in a nitrogen atmosphere, and calcining heat is 600-900 DEG C, calcination time 2-6h.
5. carbon as claimed in claim 1 modifies MoS2/MoO2The preparation method of two-phase foamed composite, it is characterised in that：Oxygen
The mass ratio of graphite alkene and treated CNT, Ammonium Molybdate Tetrahydrate, thiocarbamide is 1:1:1:2~7.
6. carbon as claimed in claim 1 modifies MoS2/MoO2The preparation method of two-phase foamed composite, it is characterised in that：Make
With the acidity-basicity ph of hydrochloric acid and sodium hydrate regulator solution to 3-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448670.3A CN107342404B (en) | 2017-06-14 | 2017-06-14 | Carbon modified MoS2/MoO2Two-phase composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448670.3A CN107342404B (en) | 2017-06-14 | 2017-06-14 | Carbon modified MoS2/MoO2Two-phase composite material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107342404A true CN107342404A (en) | 2017-11-10 |
| CN107342404B CN107342404B (en) | 2020-01-07 |
Family
ID=60221441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710448670.3A Active CN107342404B (en) | 2017-06-14 | 2017-06-14 | Carbon modified MoS2/MoO2Two-phase composite material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107342404B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695499A (en) * | 2018-05-22 | 2018-10-23 | 安徽师范大学 | A kind of nanocomposite of the hierarchical structure of controllable epitaxial growth, preparation method and applications |
| CN110048095A (en) * | 2019-03-25 | 2019-07-23 | 天津大学 | A method of preparing the molybdenum disulfide molybdenum dioxide composite material for sodium ion negative electrode material |
| CN110120507A (en) * | 2019-05-16 | 2019-08-13 | 常熟理工学院 | A kind of heterogeneous material compound and its preparation method and application that graphene is modified |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142538A (en) * | 2011-02-25 | 2011-08-03 | 浙江大学 | Lithium ion battery electrode made of graphene/ MoS2 and amorphous carbon and preparation method |
| CN105244482A (en) * | 2015-09-12 | 2016-01-13 | 复旦大学 | Nickel cobalt sulfide/graphene/carbon nanotube composite material and preparation method and application thereof |
| CN105293581A (en) * | 2015-10-25 | 2016-02-03 | 复旦大学 | Molybdenum sulfide/graphene/carbon nanoball composite material and preparing method thereof |
-
2017
- 2017-06-14 CN CN201710448670.3A patent/CN107342404B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142538A (en) * | 2011-02-25 | 2011-08-03 | 浙江大学 | Lithium ion battery electrode made of graphene/ MoS2 and amorphous carbon and preparation method |
| CN105244482A (en) * | 2015-09-12 | 2016-01-13 | 复旦大学 | Nickel cobalt sulfide/graphene/carbon nanotube composite material and preparation method and application thereof |
| CN105293581A (en) * | 2015-10-25 | 2016-02-03 | 复旦大学 | Molybdenum sulfide/graphene/carbon nanoball composite material and preparing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| MOON-JIN HWANG等: "Effects of graphene on MoO2-MoS2 composite as anode material for lithium-ion batteries", 《J ELECTROCERAM》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695499A (en) * | 2018-05-22 | 2018-10-23 | 安徽师范大学 | A kind of nanocomposite of the hierarchical structure of controllable epitaxial growth, preparation method and applications |
| CN108695499B (en) * | 2018-05-22 | 2019-10-01 | 安徽师范大学 | A kind of nanocomposite of the hierarchical structure of controllable epitaxial growth, preparation method and applications |
| CN110048095A (en) * | 2019-03-25 | 2019-07-23 | 天津大学 | A method of preparing the molybdenum disulfide molybdenum dioxide composite material for sodium ion negative electrode material |
| CN110120507A (en) * | 2019-05-16 | 2019-08-13 | 常熟理工学院 | A kind of heterogeneous material compound and its preparation method and application that graphene is modified |
| CN110120507B (en) * | 2019-05-16 | 2021-03-19 | 常熟理工学院 | Graphene-modified heterogeneous composite material and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107342404B (en) | 2020-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zheng et al. | Effect of calcination temperature on the electrochemical properties of nickel-rich LiNi0. 76Mn0. 14Co0. 10O2 cathodes for lithium-ion batteries | |
| Ni et al. | Designed constitution of NiO/Ni nanostructured electrode for high performance lithium ion battery | |
| CN104966812B (en) | Three-dimensional porous quasi-graphene loaded molybdenum disulfide composite and preparation method thereof | |
| Miao et al. | Flower-like NiCo 2 S 4 nanosheets with high electrochemical performance for sodium-ion batteries | |
| Kim et al. | Highly reduced VO x nanotube cathode materials with ultra-high capacity for magnesium ion batteries | |
| CN105047427B (en) | Ultracapacitor combination electrode material and preparation method thereof and ultracapacitor | |
| Liang et al. | Synthesis of mesoporous β-Na0. 33V2O5 with enhanced electrochemical performance for lithium ion batteries | |
| CN105762360A (en) | Graphene-silicon-coated composite negative electrode material and preparing method and application thereof | |
| CN107342405A (en) | A kind of MoS2‑xOx/ carbon negative pole material and preparation method thereof | |
| Wu et al. | Encapsulation of sulfur cathodes by sericin-derived carbon/Co3O4 hollow microspheres for the long-term cyclability of lithium-sulfur batteries | |
| Chaudhary et al. | Surface modification of cathode materials for energy storage devices: A review | |
| CN107221654A (en) | A kind of three-dimensional porous nest like silicon-carbon composite cathode material and preparation method thereof | |
| Yuan et al. | Facile synthesis and performance of polypyrrole-coated sulfur nanocomposite as cathode materials for lithium/sulfur batteries | |
| Jin et al. | Pomegranate-like Li3VO4/3D graphene networks nanocomposite as lithium ion battery anode with long cycle life and high-rate capability | |
| CN112382747B (en) | Carbon layer coated nano mangano-manganic oxide shell-core structure material and preparation method thereof | |
| Feng et al. | One-dimensional architecture with reduced graphene oxide supporting ultrathin MoO2 nanosheets as high performance anodes for lithium-ion batteries | |
| CN106887575A (en) | A kind of cobalt acid zinc/graphene composite negative pole and preparation method thereof and lithium ion battery | |
| CN108807835A (en) | The preparation method and battery of one type of metal graphene negative material | |
| CN107342404A (en) | A kind of carbon modifies MoS2/MoO2Double-phase composite and preparation method thereof | |
| CN104900859A (en) | Porous SnO2 nano ball/graphene composite material and preparation method thereof | |
| Xia et al. | Wrinkled graphene-reinforced nickel sulfide thin film as high-performance binder-free anode for sodium-ion battery | |
| CN110707323B (en) | Anion layer-expanding carbon material and preparation method and application thereof | |
| Bo et al. | Effects of binders on electrochemical properties of high capacity silicon composite anodes | |
| Shen et al. | Designed formation of nitrogen-doped caramel sheathed bilateral hybrid oxides nanoarrays as ultra-stable anode for high-areal-capacity lithium-ion batteries | |
| CN107799748A (en) | A kind of nanoscale cube cobaltous stannate and graphene composite material and preparation method and application |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |