CN106531448A - Active carbon/nickel cobaltate nano wire composite electrode material and preparation method thereof - Google Patents
Active carbon/nickel cobaltate nano wire composite electrode material and preparation method thereof Download PDFInfo
- Publication number
- CN106531448A CN106531448A CN201510586369.XA CN201510586369A CN106531448A CN 106531448 A CN106531448 A CN 106531448A CN 201510586369 A CN201510586369 A CN 201510586369A CN 106531448 A CN106531448 A CN 106531448A
- Authority
- CN
- China
- Prior art keywords
- activated carbon
- nano wire
- electrode material
- 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.)
- Pending
Links
Abstract
The invention discloses an active carbon/nickel cobaltate nano wire composite electrode material and a preparation method thereof. The nickel cobaltate nano wire has a puffy structure and covers the surface of the active carbon, thereby forming an active/carbon cobaltate nano wire composite electrode material with a core shell structure. The preparation method comprises the steps of cleaning the active carbon by means of dilute hydrochloric acid, washing the cleaned active carbon by means of deionized water, and performing drying for standby; dissolving soluble nickel salt and soluble cobalt salt in the deionized water for preparing mixed metal salt solution; placing the active carbon into the mixed metal salt solution, adding oxalic acid, mixing to uniform and adding ammoniacal liquor for adjusting pH value, thereby obtaining precursor solution; and transferring the precursor solution into a hydrothermal reaction vessel for realizing reaction, then performing filtering, washing, drying and sintering, thereby obtaining a finished product. The active carbon/nickel cobaltate nano wire composite electrode material has advantages of puffy structure, large specific surface area, sufficient contact with electrolyte and short electrolyte ion migration path.
Description
Technical field
The present invention relates to material and electrochemical field, specifically a kind of activated carbon/cobalt acid nickel nano wire combination electrode
Material and preparation method thereof.
Background technology
Ultracapacitor as a kind of new energy storage device, because its superiority that can not be substituted is widely used in shining
The fields such as bright, electronics, electric power, communication, automobile.Ultracapacitor due to its good cycle longevity, charge it is fast,
Power-performance is good, the low many merits of use cost so as to as novel mobile power source and electric automobile electricity
There is in terms of source great potential, be expected to progressively replace lithium battery.But compare lithium battery, the energy of ultracapacitor
Density is low, only 1/10th of lithium battery.Therefore, the energy density for how improving ultracapacitor is always
The focus of research.The energy density of ultracapacitor depends on the performance of electrode material and electrolyte, and electrode material
Material is more crucial, and the ability of its storage electric charge was both relevant with the chemical species of material, also the physical aspect with material
Structure is relevant.
Ultracapacitor has two kinds of energy storage mechnisms：The electric double layer energy storage mechnism of electrode surface and the standard of faraday's reaction
Capacitance energy storage mechanism.The specific surface of electrode material is bigger, and electric double layer capacitance is higher.What Faraday pseudo-capacitance was produced
Energy density is significantly larger than electric double layer, but as the negative material of faraday's electric capacity is usually transiting metal oxidation
Thing, as its poorly conductive application is constantly subjected to restriction.Therefore the negative material of most of ultracapacitors is with height
The absorbent charcoal material of specific surface area does negative pole.
It is main at present to come from the mesopore/micropore ratio for improving the specific surface for improving electrode material and adjust electrode material
Energy density is improved, or electric double layer principle is combined to improve energy density with Faraday pseudo-capacitance principle.In
State patent CN 102101668A discloses a kind of activated carbon electrodes preparation method, the ratio of the activated carbon that can be prepared
Surface area is up to 2523m2/ g, mesoporous are up to 58.5%.Patent CN103114434A is disclosed several nanometers
The polymer-modified Activated Carbon Fiber Electrodes of doped metallic oxide, these methods are all shown electrode specific capacitance
Write and improve.
The content of the invention
It is an object of the invention to provide a kind of activated carbon big with fluffy structure, specific surface area/cobalt acid nickel
Nano wire combination electrode material and preparation method thereof, to solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of activated carbon/cobalt acid nickel nano wire combination electrode material, cobalt acid nickel nano wire are coated in fluff structure
Activated carbon surface, forms nucleocapsid structure.
The preparation method of the activated carbon/cobalt acid nickel nano wire combination electrode material, including following step：
(1) after cleaned activated carbon with dilute hydrochloric acid, deionized water is cleaned, standby after being dried；
(2) by soluble nickel salt and soluble cobalt according to Ni2+/Co2+Mol ratio is 1:2 ratio is dissolved in
In ionized water, mixed salt solution is made into；
(3) activated carbon is placed in mixed salt solution, adds oxalic acid, be stirring evenly and then adding into ammonia tune
Section pH value is 7.5-8.6, obtains precursor solution；
(4) precursor solution of step (3) is proceeded in hydrothermal reaction kettle, 1-50 is reacted at 30-200 DEG C
Hour, obtain reactant；
(5) after filter the reactant in step (4), deionized water and anhydrous alcohol are cleaned and in drying baker
Middle drying, obtains dried object；
(6) dried object of step (5) is calcined into 1-20 hours at 250-500 DEG C, obtains final product activated carbon/cobalt
Sour nickel nano wire combination electrode material.
As further scheme of the invention：The soluble nickel salt using six water Nickel dichloride .s, seven water nickel sulfate,
One kind in six water nickel nitrates, Nickel dichloride., nickel sulfate, nickel nitrate；The soluble cobalt using cobaltous chloride,
One kind in cobaltous sulfate, cobalt nitrate, cobalt chloride hexahydrate, cobalt sulfate, cobalt nitrate hexahydrate.
As further scheme of the invention：It is 0.01-25% that the mixed salt solution is weight dissolubility
Cobalt nickel ion mixed solution.
As further scheme of the invention：In calcination process, Ni2+With Co2+Cobalt is generated under air atmosphere
Sour nickel nano wire, cobalt acid nickel nano wire are coated on activated carbon surface, and the content of cobalt acid nickel nano wire is activated carbon
The 1%-50% of/cobalt acid nickel nano wire combination electrode material quality.
As further scheme of the invention：The specific surface area of activated carbon is in 20m2/g-5000m2/ g, activated carbon
Particle diameter between 1 μm -1000 μm.
As further scheme of the invention：Activated carbon include chemical activation activated carbon, physically activated activated carbon,
Molecular template activated carbon.
As further scheme of the invention：Activated carbon include active carbon from petroleum coke, phenolic resin system activated carbon,
Epoxy resin activated carbon.
Compared with prior art, the invention has the beneficial effects as follows：
The combination electrode material of the present invention has fluffy structure, and specific surface area is big, connects fully with electrolyte, electricity
The characteristics of solution liquid ion migration path is short, for ultracapacitor field.
Description of the drawings
Fig. 1 is the structural representation of activated carbon/cobalt acid nickel nano wire combination electrode material；
Fig. 2 is the surface topography map after the scanning of activated carbon/cobalt acid nickel nano wire combination electrode material.
In figure：1- activated carbons, 2- cobalts acid nickel nano wire.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly and completely
Description, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.
Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of protection of the invention.
Embodiment 1
Step (1), weighs the NiCl of 0.05mol2·6H20 and 0.1molCoCl2·6H2O, NiCl2·6H20
With CoCl2·6H2The mol ratio of O is 1:2.By NiCl2·6H20 and CoCl2·6H2O is dissolved in the deionized water of 1L
In, it is configured to containing Ni after stirring2+、Co2+Mixed salt solution, Ni2+And Co2+Total solubility is
0.15mol/L。
Step (2), weighs deionized water after 87g activated carbons 1 are cleaned with dilute hydrochloric acid and cleans, add after being dried
Enter in the mixed salt solution that step (1) is prepared, magnetic agitation 0.1-2 hour.
Step (3), weighs in oxalic acid addition step (2) mixed liquor of 0.18mol, ultrasonic agitation 2-5
Hour, add ammonia to adjust pH value, keep pH value to be 8.2.
Step (4), the mixed liquor of step (3) is moved on in hydrothermal reaction kettle, the water at a temperature of 100 DEG C
Thermal response filtered out reactant after 12 hours.
Step (5), washes most post-drying i.e. with clear water and anhydrous alcohol after the reactant in step (4) is filtered
Obtain dried object.
Step (6), the dried object of step (5) is calcined 5 hours at 450 DEG C, activated carbon/cobalt is obtained final product
Sour nickel nano wire combination electrode material, the Ni in calcination process2+、Co2+Form cobalt acid nickel nano wire 2.
Embodiment 2
Step (1) weighs the NiCl of 0.05mol2·6H20 and 0.1molCoCl2·6H2O, NiCl2·6H20 with
CoCl2·6H2The mol ratio of O is 1:2.By NiCl2·6H20 and CoCl2·6H2O is dissolved in the deionized water of 1L,
It is configured to containing Ni after stirring2+、Co2+Mixed salt solution, Ni2+And Co2+Total solubility is
0.15mol/L。
Step (2) weighs deionized water after 87g activated carbons 1 are cleaned with dilute hydrochloric acid and cleans, and adds after being dried
In the mixed salt solution that step (1) is prepared, magnetic agitation 0.1-2 hour.
Step (3) is weighed in oxalic acid addition step (2) mixed liquor of 0.18mol, ultrasonic agitation 2-5 hour,
Add ammonia to adjust pH value, keep pH value to be 8.0.
Step (4), the mixed liquor of step (3) is moved on in hydrothermal reaction kettle, the water at a temperature of 100 DEG C
Thermal response filtered out reactant after 12 hours.
Step (5), washes most post-drying i.e. with clear water and anhydrous alcohol after the reactant in step (4) is filtered
Obtain dried object.
Step (6), the dried object of step (5) is calcined 5 hours at 450 DEG C, activated carbon/cobalt is obtained final product
Sour nickel nano wire combination electrode material, the Ni in calcination process2+、Co2+Form cobalt acid nickel nano wire 2.
Embodiment 3
Step (1) weighs the NiCl of 0.05mol2·6H20 and 0.1molCoCl2·6H2O, NiCl2·6H20 with
CoCl2·6H2The mol ratio of O is 1:2.By NiCl2·6H20 and CoCl2·6H2O is dissolved in the deionized water of 1L,
It is configured to containing Ni after stirring2+、Co2+Mixed salt solution, Ni2+And Co2+Total solubility is
0.15mol/L。
Step (2) weighs deionized water after 87g activated carbons 1 are cleaned with dilute hydrochloric acid and cleans, and adds after being dried
In the mixed salt solution that step (1) is prepared, magnetic agitation 0.1-2 hour.
Step (3) is weighed in oxalic acid addition step (2) mixed liquor of 0.18mol, ultrasonic agitation 2-5 hour,
Add ammonia to adjust pH value, keep pH value to be 7.0.
Step (4), the mixed liquor of step (3) is moved on in hydrothermal reaction kettle, the water at a temperature of 100 DEG C
Thermal response filtered out reactant after 12 hours.
Step (5), washes most post-drying i.e. with clear water and anhydrous alcohol after the reactant in step (4) is filtered
Obtain dried object.
Step (6), the dried object of step (5) is calcined 5 hours at 450 DEG C, activated carbon/cobalt is obtained final product
Sour nickel nano wire combination electrode material, the Ni in calcination process2+、Co2+Form cobalt acid nickel nano wire 2.
Super capacitor of the test system that the present invention is adopted for symmetric form.By electrode, electrolyte, barrier film, electrode
Four parts constitute.
Electrode is made up of with the mixing material coated on collector collector, electrode mixing material by
The activated carbon of 85-96wt%/cobalt acid nickel nano wire combination electrode material, the conductive agent of 3-10wt% and 2-8wt%
Binding agent composition.
Conductive agent is more than high conductivity graphite powder, white carbon black, CNT and the carbon of 1000s/m and is received using electrical conductivity
One or more of rice fiber.
Binding agent adopts politef, Kynoar PVDF, sodium carboxymethyl cellulose, hydroxypropyl methyl
One or more of cellulose and butadiene-styrene rubber.
Aqueous electrolyte is by the KOH electrolyte 10mL, volumetric concentration that volumetric concentration is 5-30% for 5-30%'s
H2SO4Electrolyte 10mL, the neutral aqueous solution 10mL containing alkali metal ion and trifluoromethanesulp-onyl -onyl imide salt (0
＜ trifluoromethanesulp-onyl -onyl imides salt≤100g) it is formulated, the volume ratio of three kinds of solution is 1: 1: 1.
Barrier film adopts hydrophilic porous barrier film or insulation porous septum：Polyethylene porous membrane, polypropylene porous film,
One or more in polyethylene and polypropylene composite materials perforated membrane or vinylon non-woven fabrics.
Collector is using the one kind in the nickel foam with many sky reticulated metallic materials and metal alloy grid, copper mesh.
The assembling of ultracapacitor：Quality close two panels electrode slice is placed face-to-face, it is middle many with hydrophilic
Hole barrier film isolation, a certain amount of electrolyte wetting electrode of Deca are encapsulated and obtain this to button cell shell
Bright symmetric form ultracapacitor.By this capacitor both positive and negative polarity short circuit 1h.
By obtained ultracapacitor on capacity of super capacitor tester test capacity.Specific surface area is tested：
Specific surface area measuring instrument NOVA2000.
The detection data of embodiment 1-3, data are listed in Table 1.
Table 1
| Embodiment | Specific surface area (cm2/g) | Specific capacity (F/g) | 2000 capability retentions (%) of circulation |
| 1 | 1579 | 683 | 98 |
| 2 | 1682 | 726 | 96 |
| 3 | 1441 | 643 | 98 |
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and
And without departing from the spirit or essential characteristics of the present invention, this can be realized in other specific forms
It is bright.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is non-limiting
, the scope of the present invention is by claims rather than described above is limited, it is intended that will fall will in right
All changes in the implication and scope of the equivalency asked are included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment party
Formula only includes an independent technical scheme, and this narrating mode of description is only ability for clarity
Field technique personnel should be using description as an entirety, and the technical scheme in each embodiment can also appropriate group of Jing
Close, formed it will be appreciated by those skilled in the art that other embodiment.
Claims (8)
1. a kind of activated carbon/cobalt acid nickel nano wire combination electrode material, it is characterised in that cobalt acid nickel nano wire is in
Fluff structure is coated on activated carbon surface, forms nucleocapsid structure.
2. the preparation method of a kind of activated carbon as claimed in claim 1/cobalt acid nickel nano wire combination electrode material,
Characterized in that, including following step：
(1) after cleaned activated carbon with dilute hydrochloric acid, deionized water is cleaned, standby after being dried；
(2) by soluble nickel salt and soluble cobalt according to Ni2+/Co2+Mol ratio is 1:2 ratio is dissolved in
In ionized water, mixed salt solution is made into；
(3) activated carbon is placed in mixed salt solution, adds oxalic acid, be stirring evenly and then adding into ammonia tune
Section pH value is 7.5-8.6, obtains precursor solution；
(4) precursor solution of step (3) is proceeded in hydrothermal reaction kettle, 1-50 is reacted at 30-200 DEG C
Hour, obtain reactant；
(5) after filter the reactant in step (4), deionized water and anhydrous alcohol are cleaned and in drying baker
Middle drying, obtains dried object；
(6) dried object of step (5) is calcined into 1-20 hours at 250-500 DEG C, obtains final product activated carbon/cobalt
Sour nickel nano wire combination electrode material.
3. the preparation method of activated carbon according to claim 2/cobalt acid nickel nano wire combination electrode material,
Characterized in that, the soluble nickel salt adopts six water Nickel dichloride .s, seven water nickel sulfate, six water nickel nitrates, chlorination
One kind in nickel, nickel sulfate, nickel nitrate；The soluble cobalt using cobaltous chloride, cobaltous sulfate, cobalt nitrate,
One kind in cobalt chloride hexahydrate, cobalt sulfate, cobalt nitrate hexahydrate.
4. the preparation method of activated carbon according to claim 2/cobalt acid nickel nano wire combination electrode material,
Characterized in that, the mixed salt solution is that the cobalt nickel ion mixing that weight dissolubility is 0.01-25% is molten
Liquid.
5. the preparation method of activated carbon according to claim 2/cobalt acid nickel nano wire combination electrode material,
Characterized in that, in calcination process, Ni2+With Co2+Cobalt acid nickel nano wire, cobalt acid is generated under air atmosphere
Nickel nano wire is coated on activated carbon surface, and the content of cobalt acid nickel nano wire is that activated carbon/cobalt acid nickel nano wire is multiple
The 1%-50% of composite electrode quality of materials.
6. the preparation method of activated carbon according to claim 2/cobalt acid nickel nano wire combination electrode material,
Characterized in that, the specific surface area of activated carbon is in 20m2/g-5000m2/ g, the particle diameter of activated carbon is at 1 μm -1000
Between μm.
7. the preparation method of activated carbon according to claim 2/cobalt acid nickel nano wire combination electrode material,
Characterized in that, activated carbon includes chemical activation activated carbon, physically activated activated carbon, molecular template activated carbon.
8. the preparation method of activated carbon according to claim 2/cobalt acid nickel nano wire combination electrode material, its
It is characterised by, activated carbon includes active carbon from petroleum coke, phenolic resin system activated carbon, epoxy resin activated carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510586369.XA CN106531448A (en) | 2015-09-15 | 2015-09-15 | Active carbon/nickel cobaltate nano wire composite electrode material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510586369.XA CN106531448A (en) | 2015-09-15 | 2015-09-15 | Active carbon/nickel cobaltate nano wire composite electrode material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106531448A true CN106531448A (en) | 2017-03-22 |
Family
ID=58348617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510586369.XA Pending CN106531448A (en) | 2015-09-15 | 2015-09-15 | Active carbon/nickel cobaltate nano wire composite electrode material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106531448A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971856A (en) * | 2017-05-05 | 2017-07-21 | 商洛学院 | A kind of preparation method of carbon coating amorphous nickel cobalt oxide nano-sheet electrode material |
| CN107731552A (en) * | 2017-08-15 | 2018-02-23 | 湖北大学 | A kind of nickel nano wire collector and preparation method thereof |
| CN107902654A (en) * | 2017-10-23 | 2018-04-13 | 东华大学 | A kind of coal tar asphalt is modified the preparation method and application of high-ratio surface porous carbon |
| CN110085439A (en) * | 2019-04-22 | 2019-08-02 | 天津工业大学 | Phenolic resin base nano carbon fibre/cobalt acid nickel combination electrode and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745752A (en) * | 2012-07-02 | 2012-10-24 | 同济大学 | Method of synthesizing mesoporous nickel cobalt oxide nanowire using hydrothermal method and application thereof |
| CN102891016A (en) * | 2012-10-19 | 2013-01-23 | 常州大学 | Nickel cobaltate-graphene composite material and application and preparation method thereof |
| CN103318978A (en) * | 2013-06-03 | 2013-09-25 | 中南大学 | Preparation method of mesoporous nickel cobaltate fiber and application thereof |
| CN104465124A (en) * | 2014-11-21 | 2015-03-25 | 中南大学 | Water system asymmetric type supercapacitor based on NiCo2O4-based composite |
-
2015
- 2015-09-15 CN CN201510586369.XA patent/CN106531448A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745752A (en) * | 2012-07-02 | 2012-10-24 | 同济大学 | Method of synthesizing mesoporous nickel cobalt oxide nanowire using hydrothermal method and application thereof |
| CN102891016A (en) * | 2012-10-19 | 2013-01-23 | 常州大学 | Nickel cobaltate-graphene composite material and application and preparation method thereof |
| CN103318978A (en) * | 2013-06-03 | 2013-09-25 | 中南大学 | Preparation method of mesoporous nickel cobaltate fiber and application thereof |
| CN104465124A (en) * | 2014-11-21 | 2015-03-25 | 中南大学 | Water system asymmetric type supercapacitor based on NiCo2O4-based composite |
Non-Patent Citations (2)
| Title |
|---|
| SOOK-KENG CHANG等: ""Nickel-cobalt oxide/activated carbon composite electrodes for electrochemical capacitors"", 《CURRENT APPLIED PHYSICS》 * |
| 吴红英等: ""钴酸镍纳米花/活性炭纤维复合物的制备和表征及其超级电容器性能"", 《物理化学学报》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971856A (en) * | 2017-05-05 | 2017-07-21 | 商洛学院 | A kind of preparation method of carbon coating amorphous nickel cobalt oxide nano-sheet electrode material |
| CN106971856B (en) * | 2017-05-05 | 2019-01-08 | 商洛学院 | A kind of preparation method of carbon coating amorphous nickel cobalt oxide nano-sheet electrode material |
| CN107731552A (en) * | 2017-08-15 | 2018-02-23 | 湖北大学 | A kind of nickel nano wire collector and preparation method thereof |
| CN107902654A (en) * | 2017-10-23 | 2018-04-13 | 东华大学 | A kind of coal tar asphalt is modified the preparation method and application of high-ratio surface porous carbon |
| CN107902654B (en) * | 2017-10-23 | 2020-08-11 | 东华大学 | Preparation method and application of coal tar pitch modified high-specific-surface porous carbon |
| CN110085439A (en) * | 2019-04-22 | 2019-08-02 | 天津工业大学 | Phenolic resin base nano carbon fibre/cobalt acid nickel combination electrode and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108054019B (en) | NiCo of laminated structure2S4@NixCo(1-x)(OH)2Preparation method and application of composite material | |
| CN112233912B (en) | Foam nickel-loaded MnCo2O4.5Preparation method and application of/MXene composite nano material | |
| CN108364793A (en) | CoNiFe-LDH/ multi-layer graphene high-performance composite energy-storage materials and preparation method thereof | |
| CN106057477B (en) | A kind of water system Na ion chargeable capacitor batteries and preparation method thereof | |
| CN108840370A (en) | A kind of transition metal oxide/N doping ordered mesoporous carbon composite material and preparation method thereof | |
| Lu et al. | Direct access to NiCo-LDH nanosheets by electrochemical-scanning-mediated hydrolysis for photothermally enhanced energy storage capacity | |
| CN109243838B (en) | Nickel-cobalt double hydroxide electrode material and preparation method thereof | |
| CN102664107B (en) | Preparation method of nano-manganese dioxide electrode | |
| CN102107909B (en) | Method for preparing mesoporous nano manganese dioxide | |
| CN104129818A (en) | Nickel-cobalt oxide material and preparation method thereof | |
| CN108878176A (en) | A kind of technology of preparing of supercapacitor N doping mesoporous carbon composite metal oxide electrode material | |
| CN106898503A (en) | A kind of cobalt acid nickel/cobalt sulfide nickel nano composite material of bar-shaped core shell structure, preparation method and applications | |
| CN103824705A (en) | Preparation method of asymmetric supercapacitor of water system | |
| CN112670093A (en) | Porous Co3O4@ Ni-MOF core-shell structure nanosheet array material and preparation method and application thereof | |
| CN105826085A (en) | Carbon/bismuth oxychloride super capacitor battery and preparation method thereof | |
| CN106328385A (en) | Flexible self-supported porous carbon @ layered bimetallic hydroxide composite material, its preparation method and application | |
| CN103560019B (en) | A kind of zinc ion hybrid super capacitor | |
| CN105990044A (en) | Preparation method for flexible solid supercapacitor Cu(OH)2@Ni2(OH)2CO3 multistage nanoarray electrodes | |
| CN107758750A (en) | A kind of method that hydro-thermal method prepares the nickel hydroxide nano piece of different-shape | |
| CN105869916A (en) | Method for preparing hydroxyl cobaltous oxide nanotube electrode | |
| CN106531448A (en) | Active carbon/nickel cobaltate nano wire composite electrode material and preparation method thereof | |
| CN108878909A (en) | A kind of three-dimensional porous composite material and preparation method and application based on biomass | |
| CN109559902B (en) | Metal organic framework derived cobalt-nickel-boron sulfide material and preparation method and application thereof | |
| Liu et al. | Enhanced supercapacitor performance of Bi2O3 by Mn doping | |
| CN106450507A (en) | Secondary bismuth oxychloride/nickel hydroxide alkaline battery and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| 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: 20170322 |
|
| RJ01 | Rejection of invention patent application after publication |