CN108075128A - A kind of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material - Google Patents
A kind of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material Download PDFInfo
- Publication number
- CN108075128A CN108075128A CN201810012852.0A CN201810012852A CN108075128A CN 108075128 A CN108075128 A CN 108075128A CN 201810012852 A CN201810012852 A CN 201810012852A CN 108075128 A CN108075128 A CN 108075128A
- Authority
- CN
- China
- Prior art keywords
- electrode material
- graphene
- nickel sulfide
- carbon coating
- cobalt nickel
- 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
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
-
- 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
-
- 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
- Y02E60/13—Energy storage using capacitors
Abstract
The invention discloses a kind of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material and preparation method thereof, belong to the preparation field of electrode for super capacitor material.The preparation method includes procedure below：By graphene oxide（GO）It is added in ethylene glycol solution, ultrasonic disperse, GO is made to be uniformly dispersed in ethylene glycol solution；By polyvinylpyrrolidone（PVP）, four hydration cobalt acetates, four hydration nickel acetates be added in the GO dispersion liquids of above-mentioned configuration, ultrasonic disperse dissolving after be transferred to round-bottomed flask carry out oil bath reaction and centrifuge washing drying；The product that centrifuge washing after oil bath is dried and thiocarbamide are calcined to obtain N doping carbon coating cobalt nickel sulfide/graphene combination electrode material.Uniform cobalt nickel sulfide particle is coated with nitrogen-doped carbon on the electrode material microscopic appearance of preparation, and is uniformly supported on graphene-based bottom, while has higher specific capacitance, excellent high rate performance and cyclical stability.
Description
Technical field
The invention belongs to the preparation fields of electrode for super capacitor material, and in particular to a kind of N doping carbon coating cobalt nickel
Sulfide/graphene combination electrode material and preparation method thereof.
Background technology
Ultracapacitor due to its have higher power density, excellent high rate performance, fast charge/discharge rate,
The characteristics of cycle life of overlength, quick charge transport rate and low-maintenance cost etc. are excellent, can be applicable to energy storage device,
On dynamic power system and many electronic equipments, the extensive concern from industrial quarters and academia is attracted.Super electricity
The performance of container with its used in electrode material it is closely related, currently used three kinds of electrode materials（Carbon material, metal oxidation
Object/hydroxide, conducting polymer）Respectively there are advantage and disadvantage：Carbon material simple production process, cheap, good cycle, but compare
Capacity is relatively low；Metal oxide/hydroxide and conducting polymer specific capacity are high but of high cost, cyclical stability is bad.Research
Show to carry out above-mentioned different types of electrode material compound the shortcomings that can not only making up homogenous material, while can also be real
The mutual supplement with each other's advantages of existing material property, obtains the super capacitor for having high power capacity, excellent cycling and high rate performance concurrently.
Carbon material has large specific surface area, and conductive and excellent thermal conductivity, chemical stability is good, it is at low cost the features such as, be
The electrode material that ultracapacitor is studied earliest, technology are the most ripe.Mainly have for the carbon material of ultracapacitor：Activity
Charcoal, carbon black, carbon fiber, carbon nanotubes, carbon aerogels, graphene etc..Transient metal sulfide has very high theoretical specific capacity
And good cyclical stability, while electric conductivity is hundred times of oxide, is a kind of ultracapacitor with bright prospects
Electrode material.By the use of graphene as the compound base material of transient metal sulfide the synergistic effect of the two can be utilized to prepare
Go out the electrode material of high performance ultracapacitor.
The content of the invention
It is an object of the invention to provide a kind of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material and its
Preparation method.In order to further improve the chemical property of cobalt nickel sulfide/graphene, in step carbonization and sulfidation,
Organic ligand is carbonized to form carbon, in the carbon for forming nitrogen-doping to organic ligand in vulcanization, it is conductive to promote electrode material
Property and defect, so as to improve chemical property.Uniform cobalt nickel sulfide particle on the electrode material microscopic appearance of preparation
Nitrogen-doped carbon is coated with, and is uniformly supported on graphene-based bottom, while there is higher specific capacitance, excellent multiplying power
Performance and cyclical stability.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of preparation method of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material, includes the following steps：
（1）By quantitative graphene oxide（GO）It is added in ethylene glycol solution, ultrasonic disperse so that graphene oxide（GO）
It is uniformly dispersed in ethylene glycol solution；
（2）By quantitative polyvinylpyrrolidone（PVP）, four hydration cobalt acetates（Co(CH3COO)2·4H2O）, four hydration acetic acid
Nickel（Ni(CH3COO)2·4H2O）It is added to step（1）In solution, liquid mixed above is transferred to round bottom after ultrasound fully dissolving
The reaction of oil bath pan finish application bath is placed in flask, it is multiple with absolute ethyl alcohol centrifuge washing then after it naturally cools to room temperature,
The product after washing is finally placed in drying；
（3）By quantitative step（2）The product of centrifugal drying and the mixing of quantitative thiocarbamide are laid in porcelain boat, are then put porcelain boat
Calcining carries out carbonization and the vulcanizing treatment of a step in the tube furnace of argon gas protection, is finally made after it naturally cools to room temperature
It is standby to obtain N doping carbon coating cobalt nickel sulfide/graphene combination electrode material.
Electrode material obtained by the present invention, cobalt nickel sulfide particle are coated with nitrogen-doped carbon, and size is homogeneous, uniformly
It is supported on graphene-based bottom.
One-step method is carbonized simultaneously and vulcanization, organic ligand are carbonized to form carbon, the nitrogen-doping in sulfidation in thiocarbamide
In the carbon formed to organic ligand, N doping carbon coating cobalt nickel sulfide/graphene combination electrode material is formed, improves electrode
The chemical property of material.
The remarkable advantage of the present invention is：
（1）The present invention is vulcanized using thiocarbamide as sulphur source by the way of calcining, and organic ligand occurs simultaneously in sulfidation
Carburizing reagent, whole process vulcanization and carbonization be carried out at the same time, preparation process is simple, and operation controllability is strong.
（2）Organic ligand is carbonized to form carbon, improves the electric conductivity of electrode material.
（3）In sulfidation, the nitrogen in thiocarbamide can be doped in the carbon of organic ligand formation, be conducive to improve electricity
The chemical property of pole material.
（4）Electrode material prepared by the present invention specific capacitance under 1 A/g current density charge and discharge is 1028 F/g, 10 A/g
Specific capacitance conservation rate under current density charge and discharge（It is forthright again）For 89.3%, 6 A/g current densities charge and discharge cycles 1500 times, than
Capacity retention（Cyclical stability）For 93.6%, show that prepared electrode material has higher specific capacitance, excellent multiplying power
Performance and cyclical stability.
Description of the drawings
Fig. 1 is the XRD diffraction of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material made from embodiment 1
Collection of illustrative plates.
Fig. 2 is the scanning electron microscope of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material made from embodiment 1
Figure；As can be seen from the figure the carbon-coated nanocrystalline size of cobalt nickel sulfide of N doping is homogeneous, grain size in 80 ~ 100 nm,
It is uniformly supported on graphene-based bottom.
Fig. 3 is that the EDS of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material made from embodiment 1 schemes；From
Electrode material prepared by it can be seen from the figure that mainly contains the elements such as Co, Ni, S, C, N, and wherein N content shows to pass through this up to 25%
N element is successfully doped in electrode material by method.
Fig. 4 is the high-resolution of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material made from embodiment 1
TEM schemes；As can be seen from the figure prepared cobalt nickel sulfide is wrapped in carbon（Carbon）In.
Fig. 5 is that the GCD of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material made from embodiment 1 schemes；From
The charge and discharge under different current densities of electrode material prepared by it can be seen from the figure that all show higher coulombic efficiency.
Specific embodiment
The present invention is further illustrated the present invention with the following example, but protection scope of the present invention is not limited to following reality
Apply example.
Embodiment 1
A kind of preparation method of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material, concretely comprises the following steps：
（1）Weigh 10 mg graphene oxides（GO, self-control）It is added in 50 mL ethylene glycol, ultrasonic disperse 30 minutes makes GO exist
It is uniformly dispersed in ethylene glycol；
（2）Weigh the polyvinylpyrrolidone of 0.3 g（PVP）, the four hydration cobalt acetates of 125 mg（Co(CH3COO)2·4H2O）
Nickel acetate is hydrated with the four of 124 mg（Ni(CH3COO)2·4H2O）It is added to step（1）In solution, ultrasound fully dissolving, then
Liquid mixed above is transferred in round-bottomed flask be placed on oil bath pan 150 DEG C of oil baths reactions 5 it is small when.Finally, treat that it is naturally cold
But to after room temperature, with absolute ethyl alcohol centrifuge washing 4-5 times, the product after washing is placed in electric drying oven with forced convection and is dried；
（3）Weigh 15 mg steps（2）The product of centrifugal drying and 35 mg thiocarbamides are uniformly laid in after mixing in porcelain boat by hand,
Then porcelain boat is placed in the carbonization of one step of calcining progress and vulcanizing treatment, calcining heat 250 in the tube furnace of argon gas protection
DEG C, heating rate is per minute for 1 DEG C, when heat preservation 5 is small.Finally product is can obtain after it naturally cools to room temperature.
Embodiment 2
A kind of preparation method of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material, concretely comprises the following steps：
（1）Weigh 5 mg graphene oxides（GO, self-control）It is added in 30 mL ethylene glycol, ultrasonic disperse 30 minutes makes GO in second
It is uniformly dispersed in glycol；
（2）Weigh the polyvinylpyrrolidone of 0.5 g（PVP）, the four hydration cobalt acetates of 250 mg（Co(CH3COO)2·4H2O）
Nickel acetate is hydrated with the four of 250 mg（Ni(CH3COO)2·4H2O）It is added to step（1）In solution, ultrasound fully dissolving, then
Liquid mixed above is transferred in round-bottomed flask be placed on oil bath pan 250 DEG C of oil baths reactions 1 it is small when.Finally, treat that it is naturally cold
But to after room temperature, with absolute ethyl alcohol centrifuge washing 4-5 times, the product after washing is placed in electric drying oven with forced convection and is dried；
（3）Weigh 30 mg steps（2）The product of centrifugal drying and 50 mg thiocarbamides are uniformly laid in after mixing in porcelain boat by hand,
Then porcelain boat is placed in the carbonization of one step of calcining progress and vulcanizing treatment, calcining heat 300 in the tube furnace of argon gas protection
DEG C, heating rate is per minute for 1 DEG C, when heat preservation 4 is small.Finally product is can obtain after it naturally cools to room temperature.
Embodiment 3
A kind of preparation method of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material, concretely comprises the following steps：
（1）Weigh 20 mg graphene oxides（GO, self-control）It is added in 100 mL ethylene glycol, ultrasonic disperse 30 minutes makes GO exist
It is uniformly dispersed in ethylene glycol；
（2）Weigh the polyvinylpyrrolidone of 0.1 g（PVP）, the four hydration cobalt acetates of 60 mg（Co(CH3COO)2·4H2O）With
The four hydration nickel acetates of 70 mg（Ni(CH3COO)2·4H2O）It is added to step（1）In solution, ultrasound fully dissolving then will
Liquid mixed above be transferred in round-bottomed flask be placed on oil bath pan 200 DEG C of oil baths reactions 1 it is small when.Finally, its natural cooling is treated
To after room temperature, with absolute ethyl alcohol centrifuge washing 4-5 times, the product after washing is placed in electric drying oven with forced convection and is dried；
（3）Weigh 5 mg steps（2）The product of centrifugal drying and 10 mg thiocarbamides are uniformly laid in after mixing in porcelain boat, so by hand
It is 500 DEG C that porcelain boat is placed in the carbonization of one step of calcining progress and vulcanizing treatment, calcining heat in the tube furnace of argon gas protection afterwards,
Heating rate is per minute for 1 DEG C, when heat preservation 1 is small.Finally product is can obtain after it naturally cools to room temperature.
Electrochemical property test
By N doping carbon coating cobalt nickel sulfide/graphene combination electrode material of above method preparation, acetylene black（Conductive agent）
And Kynoar（PVDF, binding agent）By 8:1:1（Mass ratio）Ratio addition mixing after be evenly coated in conduct in nickel foam
Working electrode, using platinum filament as to electrode, using mercury oxidation mercury electrode as reference electrode, using 3 mol/L KOH solutions as electricity
Liquid is solved, measures under electrode material three-electrode system made from embodiment 1,2,3 that specific capacitance is respectively under 1 A/g current densities
1028th, 987,968 F/g, specific capacitance conservation rate under 10 A/g current densities（It is forthright again）Respectively 89.3,87.5,88.4%, 6
A/g current densities charge and discharge cycles 2000 times, specific capacitance conservation rate（Cyclical stability）Respectively 93.6,91.5,90.3%.
Show that electrode material chemical property prepared by embodiment 1 is optimal.
Comparative example 1
The method for preparing cobalt nickel sulfide/graphene combination electrode material：
Weigh step in 40 mg embodiments 1（2）The product of centrifugal drying and 120 mg thioacetamides, are added to 30 mL ethyl alcohol
In solution, it is transferred to after ultrasound fully dissolving in the stainless steel cauldron of 50 mL, it is small is placed in 170 DEG C of hydro-thermal reactions 6 in baking oven
When.Finally after it naturally cools to room temperature, with absolute ethyl alcohol centrifuge washing 4-5 times, the product after washing is placed in electric heating drum
It is dried in wind drying box.
Cobalt nickel sulfide/graphene combination electrode material prepared by above method is subjected to electricity according to above-mentioned same method
Chemical property is tested, and measures under electrode material three-electrode system made from comparative example 1 that specific capacitance is under 1 A/g current densities
952 F/g, specific capacitance conservation rate under 10 A/g current densities（It is forthright again）Only 73.7%, 6 A/g current density charge and discharge cycles
2000 times, specific capacitance conservation rate（Cyclical stability）Only 53.8%.
Due to the present invention preparation method introduce nitrogen-doped carbon be coated on cobalt nickel sulfide surface, introduce the defects of more and
Increase electrode material electric conductivity, compared to comparative example 1, N doping carbon coating cobalt nickel sulfide/graphene prepared by the present invention is multiple
Composite electrode material has better high rate performance and cyclical stability.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification should all belong to the covering scope of the present invention.
Claims (2)
1. a kind of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material, which is characterized in that its preparation method includes
Following steps：
（1）It adds graphene oxide into ethylene glycol solution, ultrasonic disperse so that graphene oxide is equal in ethylene glycol solution
It is even scattered；
（2）Polyvinylpyrrolidone, four hydration cobalt acetates, four hydration nickel acetates are added to step（1）In solution, ultrasound is fully
Liquid mixed above is transferred in round-bottomed flask after dissolving and is placed in the reaction of oil bath pan finish application bath, then treats that it naturally cools to room
Wen Hou, it is multiple with absolute ethyl alcohol centrifuge washing, finally the product after washing is dried；
（3）By step（2）Product and the thiocarbamide mixing of centrifugal drying are laid in porcelain boat, and porcelain boat then is placed in argon gas protection
Calcining carries out carbonization and the vulcanizing treatment of a step in tube furnace, and N doping is finally prepared after it naturally cools to room temperature
Carbon coating cobalt nickel sulfide/graphene combination electrode material.
2. N doping carbon coating cobalt nickel sulfide/graphene combination electrode material according to claim 1, feature exist
In：Its preparation method comprises the following specific steps that：
（1）It weighs 5 ~ 30 mg graphene oxides to be added in 30 ~ 100 mL ethylene glycol solutions, ultrasonic disperse 30 minutes makes oxidation
Graphene is uniformly dispersed in ethylene glycol solution；
（2）Weigh the polyvinylpyrrolidone of 0.1 ~ 0.5 g, the four hydration cobalt acetates of 60 ~ 250 mg and four water of 60 ~ 250 mg
It closes nickel acetate and is added to step（1）In solution, liquid mixed above is then transferred in round-bottomed flask and is placed in oil by ultrasonic dissolution
When 100 ~ 300 DEG C of oil bath reactions 1 ~ 5 are small on bath, finally, after it naturally cools to room temperature, with absolute ethyl alcohol centrifuge washing
4-5 times, the product after washing is dried；
（3）Weigh 5 ~ 30 mg steps（2）The product of centrifugal drying and 10 ~ 60 mg thiocarbamides, are laid in porcelain boat after mixing,
Then porcelain boat is placed in carbonization and the vulcanizing treatment that calcining in the tube furnace of argon gas protection carries out a step, calcining heat for 200 ~
500 DEG C, heating rate is 1 DEG C/min, when heat preservation 1 ~ 5 is small, finally treats that it naturally cools to room temperature, is prepared N doping
Carbon coating cobalt nickel sulfide/graphene combination electrode material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012852.0A CN108075128B (en) | 2018-01-06 | 2018-01-06 | Nitrogen-doped carbon-coated cobalt-nickel sulfide/graphene composite electrode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012852.0A CN108075128B (en) | 2018-01-06 | 2018-01-06 | Nitrogen-doped carbon-coated cobalt-nickel sulfide/graphene composite electrode material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108075128A true CN108075128A (en) | 2018-05-25 |
| CN108075128B CN108075128B (en) | 2020-01-07 |
Family
ID=62156403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810012852.0A Expired - Fee Related CN108075128B (en) | 2018-01-06 | 2018-01-06 | Nitrogen-doped carbon-coated cobalt-nickel sulfide/graphene composite electrode material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108075128B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565446A (en) * | 2018-06-11 | 2018-09-21 | 清华大学深圳研究生院 | A kind of preparation method of porous nitrogen-doped carbon coated graphite material |
| CN108682828A (en) * | 2018-06-11 | 2018-10-19 | 清华大学深圳研究生院 | A kind of preparation method of nitrogen-doped carbon clad anode material |
| CN109225269A (en) * | 2018-08-27 | 2019-01-18 | 广州大学 | The multiphase Fenton catalyst and its preparation method and use of cobalt sulphur codope graphene |
| CN109243852A (en) * | 2018-11-14 | 2019-01-18 | 福州大学 | A kind of cobalt nickel bimetal selenides/graphene complex electrode material |
| CN109701575A (en) * | 2018-12-11 | 2019-05-03 | 武汉工程大学 | A kind of nitrogen, NiP/ graphene composite aerogel of phosphorus doping and preparation method thereof |
| CN109884099A (en) * | 2019-01-18 | 2019-06-14 | 上海市质量监督检验技术研究院 | The method for qualitative analysis of grapheme material in fiber |
| CN110600707A (en) * | 2019-09-25 | 2019-12-20 | 郑州大学 | High-capacity electrode material for high-nitrogen-doped carbon-coated metal sodium sulfide secondary battery and application of high-capacity electrode material |
| CN111111725A (en) * | 2018-12-10 | 2020-05-08 | 天津大学 | Graphite-like carbon nitride supported nickel-cobalt-sulfur particle composite material, preparation method and application thereof |
| CN111508722A (en) * | 2020-04-26 | 2020-08-07 | 梁汉日 | Polypyrrole coated MnO2-NiCo2S4Super capacitor electrode material and preparation method thereof |
| CN111554517A (en) * | 2020-05-12 | 2020-08-18 | 邓李金 | Nitrogen-doped porous carbon-coated nano NiCo2O4Electrode active material and method for producing the same |
| CN112320792A (en) * | 2020-11-03 | 2021-02-05 | 青岛泰达华润新能源科技有限公司 | Preparation method of negative electrode material for lithium ion battery and product thereof |
| CN113697781A (en) * | 2021-08-09 | 2021-11-26 | 广西师范大学 | Preparation method of CoN oxygen evolution and oxygen reduction electrocatalyst |
| CN114156092A (en) * | 2021-12-02 | 2022-03-08 | 济南大学 | Nitrogen-doped carbon microcube derived from metal organic framework and preparation method and application thereof |
| CN115798946A (en) * | 2023-01-30 | 2023-03-14 | 昆山美淼新材料科技有限公司 | Production process of metal graphene multi-element composite electrode |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903533A (en) * | 2012-11-06 | 2013-01-30 | 东华大学 | Method for preparing porous hybridization NiO/Co3O4 electrode material of super capacitor |
| CN106328947A (en) * | 2016-10-12 | 2017-01-11 | 北京化工大学 | Graphene aerogel loaded two-phase transition metal sulfide as well as preparation method and application thereof |
| CN106876158A (en) * | 2017-03-16 | 2017-06-20 | 四川大学 | It is a kind of to prepare material of ultracapacitor and preparation method thereof |
| KR20170094872A (en) * | 2016-02-12 | 2017-08-22 | 영남대학교 산학협력단 | Hierarchical mesoporous graphene/Ni-Co-S array on 3-dimensional nickel foam composite and preparation method thereof |
-
2018
- 2018-01-06 CN CN201810012852.0A patent/CN108075128B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903533A (en) * | 2012-11-06 | 2013-01-30 | 东华大学 | Method for preparing porous hybridization NiO/Co3O4 electrode material of super capacitor |
| KR20170094872A (en) * | 2016-02-12 | 2017-08-22 | 영남대학교 산학협력단 | Hierarchical mesoporous graphene/Ni-Co-S array on 3-dimensional nickel foam composite and preparation method thereof |
| CN106328947A (en) * | 2016-10-12 | 2017-01-11 | 北京化工大学 | Graphene aerogel loaded two-phase transition metal sulfide as well as preparation method and application thereof |
| CN106876158A (en) * | 2017-03-16 | 2017-06-20 | 四川大学 | It is a kind of to prepare material of ultracapacitor and preparation method thereof |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682828A (en) * | 2018-06-11 | 2018-10-19 | 清华大学深圳研究生院 | A kind of preparation method of nitrogen-doped carbon clad anode material |
| CN108565446A (en) * | 2018-06-11 | 2018-09-21 | 清华大学深圳研究生院 | A kind of preparation method of porous nitrogen-doped carbon coated graphite material |
| CN108682828B (en) * | 2018-06-11 | 2020-10-23 | 清华大学深圳研究生院 | Preparation method of nitrogen-doped carbon-coated positive electrode material |
| CN109225269A (en) * | 2018-08-27 | 2019-01-18 | 广州大学 | The multiphase Fenton catalyst and its preparation method and use of cobalt sulphur codope graphene |
| CN109225269B (en) * | 2018-08-27 | 2021-06-08 | 广州大学 | Cobalt-sulfur co-doped graphene heterogeneous Fenton catalyst and synthesis method and application thereof |
| CN109243852A (en) * | 2018-11-14 | 2019-01-18 | 福州大学 | A kind of cobalt nickel bimetal selenides/graphene complex electrode material |
| CN111111725A (en) * | 2018-12-10 | 2020-05-08 | 天津大学 | Graphite-like carbon nitride supported nickel-cobalt-sulfur particle composite material, preparation method and application thereof |
| CN109701575A (en) * | 2018-12-11 | 2019-05-03 | 武汉工程大学 | A kind of nitrogen, NiP/ graphene composite aerogel of phosphorus doping and preparation method thereof |
| CN109884099A (en) * | 2019-01-18 | 2019-06-14 | 上海市质量监督检验技术研究院 | The method for qualitative analysis of grapheme material in fiber |
| CN110600707A (en) * | 2019-09-25 | 2019-12-20 | 郑州大学 | High-capacity electrode material for high-nitrogen-doped carbon-coated metal sodium sulfide secondary battery and application of high-capacity electrode material |
| CN111508722A (en) * | 2020-04-26 | 2020-08-07 | 梁汉日 | Polypyrrole coated MnO2-NiCo2S4Super capacitor electrode material and preparation method thereof |
| CN111554517A (en) * | 2020-05-12 | 2020-08-18 | 邓李金 | Nitrogen-doped porous carbon-coated nano NiCo2O4Electrode active material and method for producing the same |
| CN112320792A (en) * | 2020-11-03 | 2021-02-05 | 青岛泰达华润新能源科技有限公司 | Preparation method of negative electrode material for lithium ion battery and product thereof |
| CN112320792B (en) * | 2020-11-03 | 2023-03-24 | 青岛泰达华润新能源科技有限公司 | Preparation method of negative electrode material for lithium ion battery and product thereof |
| CN113697781A (en) * | 2021-08-09 | 2021-11-26 | 广西师范大学 | Preparation method of CoN oxygen evolution and oxygen reduction electrocatalyst |
| CN114156092A (en) * | 2021-12-02 | 2022-03-08 | 济南大学 | Nitrogen-doped carbon microcube derived from metal organic framework and preparation method and application thereof |
| CN115798946A (en) * | 2023-01-30 | 2023-03-14 | 昆山美淼新材料科技有限公司 | Production process of metal graphene multi-element composite electrode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108075128B (en) | 2020-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108075128A (en) | A kind of N doping carbon coating cobalt nickel sulfide/graphene combination electrode material | |
| CN109243852A (en) | A kind of cobalt nickel bimetal selenides/graphene complex electrode material | |
| CN104362001B (en) | Method for preparing manganese dioxide/graphene/porous carbon (MnO2/rGO/C) composite material and application of MnO2/rGO/C composite material to supercapacitor as electrode material | |
| CN105719849B (en) | A kind of graphene/Co (OH) of morphology controllable2The preparation method of composite material | |
| CN106082162B (en) | A kind of preparation method of the nitrogenous porous carbon materials of ultracapacitor | |
| Kang et al. | Bimetallic coordination polymer composites: A new choice of electrode materials for lithium ion batteries | |
| CN107611440A (en) | A kind of bowl-type carbon material, it is prepared and point-line-surface three-phase composite electrocondution slurry | |
| CN107689303B (en) | Electrode for capacitors and preparation method based on nitrogen sulphur codope porous carbon microsphere material | |
| CN108017050A (en) | A kind of doped graphene and its preparation method and application | |
| CN108773859A (en) | A kind of vulcanization nano material and its preparation method and application | |
| CN106328382B (en) | Carbon ball/the MoS of " Huang-shell " structure2Composite material and preparation method | |
| CN106971855A (en) | A kind of nickel ferrite based magnetic loaded nanoparticle electrode material and preparation method and purposes | |
| Zhou et al. | Improved electrochemical performance of Si/C material based on the interface stability | |
| CN104867680B (en) | NiCo as electrode of super capacitor2O4@NiCo2O4Nano material and preparation method thereof | |
| CN104167298A (en) | Graphene-protein derived carbon supercapcaitor material and preparation method thereof | |
| CN102610809B (en) | Ferroferric oxide/graphite lithium ion battery anode material and preparation method for ferroferric oxide/graphite lithium ion battery anode material | |
| CN109721108B (en) | Porous cobalt sulfide nanoflower and preparation method and application thereof | |
| CN110033955B (en) | Preparation method for constructing nickel-cobalt-ore binary composite material based on graphene | |
| Li et al. | Natural Okra Shells Derived Nitrogen‐Doped Porous Carbon to Regulate Polysulfides for High‐Performance Lithium–Sulfur Batteries | |
| CN110316714A (en) | Three-dimensional porous class graphene structural carbon material based on rice husk and its preparation method and application | |
| CN109950503A (en) | A kind of CoMoOx/ carbon/sulphur composite nano materials preparation method, negative electrode of lithium ion battery and lithium ion half-cell | |
| CN109192522A (en) | Fe2O3Nano carbon tube composite material, preparation method thereof and super capacitor | |
| CN103578772B (en) | Electrode for capacitors active material and preparation method thereof | |
| WO2018184182A1 (en) | Electrode manufacturing method for supercapacitor | |
| Jiang et al. | Marine biomass–derived nitrogen-doped carbon microsphere electrocatalyst for vanadium redox flow 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20220106 |