CN106158419A - The preparation method of cobalt sulfide nickel/nickel foam electrode of super capacitor - Google Patents
The preparation method of cobalt sulfide nickel/nickel foam electrode of super capacitor Download PDFInfo
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- CN106158419A CN106158419A CN201610598938.7A CN201610598938A CN106158419A CN 106158419 A CN106158419 A CN 106158419A CN 201610598938 A CN201610598938 A CN 201610598938A CN 106158419 A CN106158419 A CN 106158419A
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000006260 foam Substances 0.000 title claims abstract description 32
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 32
- KAEHZLZKAKBMJB-UHFFFAOYSA-N cobalt;sulfanylidenenickel Chemical compound [Ni].[Co]=S KAEHZLZKAKBMJB-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000003990 capacitor Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 22
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910001981 cobalt nitrate Inorganic materials 0.000 claims abstract description 15
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims abstract description 14
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 claims abstract description 12
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 241000446313 Lamella Species 0.000 claims abstract description 10
- 230000001413 cellular effect Effects 0.000 claims abstract description 10
- 238000005530 etching Methods 0.000 claims abstract description 9
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 7
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 7
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 230000008021 deposition Effects 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 239000008240 homogeneous mixture Substances 0.000 claims description 11
- 238000000151 deposition Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 238000003760 magnetic stirring Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- AMDUMQZTBRMNMG-UHFFFAOYSA-N nickel nitric acid Chemical compound [Ni].O[N+]([O-])=O AMDUMQZTBRMNMG-UHFFFAOYSA-N 0.000 claims 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims 1
- INPLXZPZQSLHBR-UHFFFAOYSA-N cobalt(2+);sulfide Chemical compound [S-2].[Co+2] INPLXZPZQSLHBR-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007772 electrode material Substances 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 7
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011149 active material Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000006479 redox reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012983 electrochemical energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920006316 polyvinylpyrrolidine Polymers 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses the preparation method of a kind of cobalt sulfide nickel/nickel foam electrode of super capacitor, with nickel foam, cobalt nitrate, nickel nitrate and thiourea as raw material, with ammonium fluoride as etching agent, with polyvinylpyrrolidone for morphology control agent, in 100 180 DEG C of hydro-thermal reaction 2 8h in hydrothermal reaction kettle, in foam nickel base, the ultra-thin lamella of deposition growing assembles cellular multilevel hierarchy cobalt sulfide nickel and forms active electrode.Cobalt sulfide nickel electrode prepared by the present invention is provided that higher fake capacitance, is provided simultaneously with higher electronics and ionic conductivity and superior fracture toughness, it is thus possible to the ratio electric capacity of comprehensive raising capacitor and high rate performance.
Description
Technical field
The invention belongs to the preparing technical field of electrode of super capacitor, be specifically related to a kind of cobalt sulfide nickel/nickel foam and surpass
The preparation method of level electrode for capacitors.
Background technology
Ultracapacitor is the electrochemical energy storing device that a class is important, mainly by porous electrode/electrolyte interface electric charge
Assemble (electric double layer capacitance) or surface of active material and internal Reversible redox reaction (fake capacitance) stores electric charge, often compare
Rule secondary cell has superior power density, charge-discharge velocity, cycle performance and wider operating temperature range, at higher-wattage
There is important DEVELOPMENT PROSPECT in the electricity consumption facility such as field such as portable electronic products and hybrid vehicle of output.But, relatively other
Secondary cell, the ratio electric capacity of ultracapacitor and energy density have much room for improvement, and therefore improve specific volume and the energy of ultracapacitor
Density is the emphasis that this field researchs and develops at present.Electrode material is the key components of ultracapacitor, its electric conductivity, table
Electric capacity and the energy density of device are had a direct impact by the factors such as face characteristic and redox active.Fake capacitance active substance table
Face can occur Reversible redox reaction, is provided that relatively high specific capacitance, thus is an efficient electrode material for super capacitor of class.Logical
Cross Rational structure design improve the electrolyte diffusion passage of fake capacitance active electrode material and carry with effectively connecting of collector
The ion of high electrode, electron conduction, thus it is provided simultaneously with relatively high rate capability, the application of ultracapacitor is extremely closed by this
Important.
Cobalt sulfide nickel is the electrode material that a class is important, and the oxidoreduction between metallic element difference oxidation number therein is anti-
Higher fake capacitance should be able to be provided, therefore can be used as high-performance super capacitor electrode material.But fake capacitance active electrode material
Relatively low electric conductivity can limit its high rate performance, use Rational Path, deposit multilevel structure material, energy on metal collector surface
It is effectively improved active material and the conductive contact of collector and electrolyte diffusion passage, the ratio electric capacity of comprehensive raising capacitor
And high rate performance.
Summary of the invention
Present invention solves the technical problem that the preparation side that there is provided a kind of cobalt sulfide nickel/nickel foam electrode of super capacitor
Method, the method with nickel foam collector as substrate, a kind of multilevel hierarchy cobalt sulfide nickel fake capacitance active material of deposition growing, with
Simple technical scheme prepares the electrode of super capacitor of relatively high specific capacitance and high rate performance, cobalt sulfide prepared by the method
Nickel electrode in the alkaline electrolyte, is provided that relatively high charge-discharge specific volume, is provided simultaneously with significant high rate performance, demonstrate this electrode
Huge potentiality to be exploited at electrochemical energy storage aspect of performance.
The present invention solves that above-mentioned technical problem adopts the following technical scheme that, cobalt sulfide nickel/nickel foam super capacitor electrode
The preparation method of pole, it is characterised in that: with nickel foam, cobalt nitrate, nickel nitrate and thiourea as raw material, with ammonium fluoride as etching agent,
With polyvinylpyrrolidone for morphology control agent, in 100-180 DEG C of hydro-thermal reaction 2-8h in hydrothermal reaction kettle, Ni-based at foam
, the ultra-thin lamella of deposition growing assembles cellular multilevel hierarchy cobalt sulfide nickel and forms active electrode at the end.
Further preferably, described cobalt nitrate and the integral molar quantity of nickel nitrate with the molar ratio of thiourea and ammonium fluoride are
1.5:0.25-2:0.25-2, cobalt nitrate and nickel nitrate total amount are 1.5mmol:25-with the ingredient proportion of polyvinylpyrrolidone
The mol ratio of 80mg, cobalt nitrate and nickel nitrate is 1:2-2:1, and the size of foam nickel base is 10mm × 10mm × 1mm.
Further preferably, concretely comprising the following steps of the preparation method of described cobalt sulfide nickel/nickel foam electrode of super capacitor:
0.5mmol cobalt nitrate, 1mmol nickel nitrate, 0.5mmol thiourea, 0.25mmol ammonium fluoride and 25mg polyvinylpyrrolidone are existed
It is dissolved in 30mL deionized water formation homogeneous mixture solotion under magnetic agitation, then this homogeneous mixture solotion is transferred to hydro-thermal
In reactor, simultaneously by molten for the nitric acid that foam nickel base molar concentration is 0.1mol/L of a size of 10mm × 10mm × 1mm
Liquid etching processing 5min, washing is immersed in the reaction solution in hydrothermal reaction kettle after drying, in 150 DEG C of hydro-thermal reactions 5h,
Grow depositing ultrathin lamella in foam nickel base and assemble cellular multilevel hierarchy cobalt sulfide nickel formation active electrode.
Ultra-thin lamella provided by the present invention assembles cellular multilevel hierarchy cobalt sulfide nickel material and has high specific surface area
With wider bore footpath, beneficially electrolyte ion to the quick scattering and permeating of electrode surface and absorption, simultaneously its lamellar primary structure with
And the close contact of this material and nickel foam collector is provided that efficent electronic transmission channel, beneficially electrode electrolyte interface
Quick Oxidation reduction reaction, therefore this electrode can not only provide relatively Fabrication of High Specific Capacitance and demonstrate good high rate performance, suitableeer
Close high current charge-discharge.Additionally, utilize hydrothermal deposition make cobalt sulfide nickel electrode technique simple, it is expected to fairly large making
High-performance super capacitor.
Accompanying drawing explanation
Fig. 1 is the scanning electron microscope (SEM) photograph of the active electrode that the embodiment of the present invention 3 prepares；
Fig. 2 is the embodiment of the present invention 3 prepared active electrode charging and discharging curve under different electric current densities；
Fig. 3 is the embodiment of the present invention 3 prepared active electrode curve of double curvature under different electric current densities.
Detailed description of the invention
By the following examples the foregoing of the present invention is described in further details, but this should be interpreted as this
The scope inventing above-mentioned theme is only limitted to below example, and all technology realized based on foregoing of the present invention belong to this
Bright scope.
Embodiment 1
By 1mmol cobalt nitrate, 0.5mmol nickel nitrate, 0.25mmol thiourea, 0.25mmol ammonium fluoride and 25mg polyvinylpyrrolidine
Ketone is dissolved in 30mL deionized water formation homogeneous mixture solotion under magnetic stirring, is then transferred to by this homogeneous mixture solotion
In hydrothermal reaction kettle, it is the salpeter solution of 0.1mol/L by foam nickel base (10mm × 10mm × 1mm) by molar concentration simultaneously
Etching processing 5min, washing is immersed in the reaction solution in hydrothermal reaction kettle after drying, in 100 DEG C of hydro-thermal reactions 5h, at bubble
Grow depositing ultrathin lamella in foam nickel substrate and assemble cellular multilevel hierarchy cobalt sulfide nickel formation active electrode.By prepared work
Property electrode as working electrode, platinized platinum is as auxiliary electrode, and HgO/Hg electrode, as reference electrode, immerses 2mol/L KOH electrolysis
Matter forms three-electrode system, carries out electrochemical energy storage performance test at 0-0.5 potential window.In 1A/g constant current charge-discharge condition
Under ratio electric capacity be 1892F/g.
Embodiment 2
By 0.75mmol cobalt nitrate, 0.75mmol nickel nitrate, 0.5mmol thiourea, 0.5mmol ammonium fluoride and 50mg polyvinyl pyrrole
Alkanone is dissolved in 30mL deionized water formation homogeneous mixture solotion under magnetic stirring, is then shifted by this homogeneous mixture solotion
To hydrothermal reaction kettle, simultaneously that foam nickel base (10mm × 10mm × 1mm) is molten with the nitric acid that molar concentration is 0.1mol/L
Liquid etching processing 5min, washing is immersed in the reaction solution in hydrothermal reaction kettle after drying, in 130 DEG C of hydro-thermal reactions 2h,
Grow depositing ultrathin lamella in foam nickel base and assemble cellular multilevel hierarchy cobalt sulfide nickel formation active electrode.By prepared
Active electrode, as working electrode, assembles three-electrode system test chemical property according to embodiment 1, and electrode fills in 1A/g constant current
Ratio electric capacity under discharging condition is up to 1536F/g.
Embodiment 3
By 0.5mmol cobalt nitrate, 1mmol nickel nitrate, 0.5mmol thiourea, 0.25mmol ammonium fluoride and 25mg polyvinylpyrrolidine
Ketone is dissolved in 30mL deionized water formation homogeneous mixture solotion under magnetic stirring, is then transferred to by this homogeneous mixture solotion
In hydrothermal reaction kettle, it is the salpeter solution of 0.1mol/L by foam nickel base (10mm × 10mm × 1mm) by molar concentration simultaneously
Etching processing 5min, washing is immersed in the reaction solution in hydrothermal reaction kettle after drying, in 150 DEG C of hydro-thermal reactions 5h, at bubble
Grow depositing ultrathin lamella in foam nickel substrate and assemble cellular multilevel hierarchy cobalt sulfide nickel (as shown in Figure 1) formation active electrode.
This kind of electrode material has abundant hole, is suitable for the quick diffusion of electrolyte, is conducive to obtaining relatively high rate capability.By made
Standby electrode, as working electrode, assembles three-electrode system test chemical property according to embodiment 1, at 1A/g constant current charge-discharge
Under the conditions of specific volume up to 2844F/g(as shown in Figures 2 and 3)；In 1-50A/g current density range, its specific volume conservation rate
(multiplying power) be 76%(as shown in Figure 3).
Embodiment 4
By 0.5mmol cobalt nitrate, 1mmol nickel nitrate, 2mmol thiourea, 2mmol ammonium fluoride and 80mg polyvinylpyrrolidone at magnetic
It is dissolved in 30mL deionized water formation homogeneous mixture solotion under power stirring, then this homogeneous mixture solotion is transferred to hydro-thermal anti-
Answer in still, simultaneously by foam nickel base (10mm × 10mm × 1mm) with at the salpeter solution etching that molar concentration is 0.1mol/L
Reason 5min, washing is immersed in the reaction solution in hydrothermal reaction kettle after drying, in 180 DEG C of hydro-thermal reactions 8h, Ni-based at foam
Grow depositing ultrathin lamella at the end and assemble cellular multilevel hierarchy cobalt sulfide nickel formation active electrode.By prepared active electrode
As working electrode, assembling three-electrode system test chemical property according to embodiment 1, electrode is in 1A/g constant current charge-discharge condition
Under ratio electric capacity up to 2176F/g.
By embodiment it can be seen that by the regulation and control consumption of cobalt nickel salt and ratio, thiourea, ammonium fluoride and polyvinyl pyrrole
The preparation conditions such as the consumption of alkanone and hydrothermal treatment consists temperature, time, energy Effective Regulation electrode is than electric capacity and high rate performance.
Embodiment above describes the ultimate principle of the present invention, principal character and advantage, the technical staff of the industry should
Understanding, the present invention is not restricted to the described embodiments, and the simply explanation present invention's described in above-described embodiment and description is former
Reason, under the scope without departing from the principle of the invention, the present invention also has various changes and modifications, and these changes and improvements each fall within
In the scope of protection of the invention.
Claims (3)
1. the preparation method of cobalt sulfide nickel/nickel foam electrode of super capacitor, it is characterised in that: with nickel foam, cobalt nitrate, nitric acid
Nickel and thiourea are raw material, with ammonium fluoride as etching agent, with polyvinylpyrrolidone for morphology control agent, in hydrothermal reaction kettle in
100-180 DEG C of hydro-thermal reaction 2-8h, in foam nickel base, the ultra-thin lamella of deposition growing assembles cellular multilevel hierarchy cobalt sulfide
Nickel forms active electrode.
The preparation method of cobalt sulfide nickel/nickel foam electrode of super capacitor the most according to claim 1, it is characterised in that:
The molar ratio of described cobalt nitrate and the integral molar quantity of nickel nitrate and thiourea and ammonium fluoride is 1.5:0.25-2:0.25-2,
The ingredient proportion of cobalt nitrate and nickel nitrate total amount and polyvinylpyrrolidone is 1.5mmol:25-80mg, cobalt nitrate and nickel nitrate
Mol ratio be 1:2-2:1, the size of foam nickel base is 10mm × 10mm × 1mm.
The preparation method of cobalt sulfide nickel/nickel foam electrode of super capacitor the most according to claim 1 and 2, its feature exists
In concretely comprising the following steps: by 0.5mmol cobalt nitrate, 1mmol nickel nitrate, 0.5mmol thiourea, 0.25mmol ammonium fluoride and the poly-second of 25mg
Alkene pyrrolidone is dissolved in 30mL deionized water formation homogeneous mixture solotion under magnetic stirring, then this is uniformly mixed molten
Liquid is transferred in hydrothermal reaction kettle, by the foam nickel base molar concentration of a size of 10mm × 10mm × 1mm is simultaneously
Salpeter solution etching processing 5min of 0.1mol/L, washing is immersed in the reaction solution in hydrothermal reaction kettle, after drying in 150
DEG C hydro-thermal reaction 5h, grows depositing ultrathin lamella in foam nickel base and assembles cellular multilevel hierarchy cobalt sulfide nickel and form activity
Electrode.
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Cited By (13)
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| CN106783227A (en) * | 2016-12-09 | 2017-05-31 | 广东工业大学 | A kind of preparation method and application of electrode material |
| CN106898501A (en) * | 2017-02-21 | 2017-06-27 | 华侨大学 | A kind of NiCo2S4/XS（X=Ni、Co）Composite nano materials and its preparation method and application |
| CN107265521A (en) * | 2017-08-08 | 2017-10-20 | 卢荣红 | A kind of preparation method of the CoxNiyS nano materials as the empty battery of lithium |
| CN107316758A (en) * | 2017-08-02 | 2017-11-03 | 河南师范大学 | The preparation method of multilevel hierarchy cobalt sulfide nickel carbon quantum dot composite/nickel foam electrode of super capacitor |
| CN107492657A (en) * | 2017-07-12 | 2017-12-19 | 三峡大学 | A kind of preparation method of cobalt sulfide nickel both positive and negative polarity battery and its application on the recyclable battery of alkalescence |
| TWI631080B (en) * | 2017-03-23 | 2018-08-01 | 國立臺北科技大學 | Nickel cobalt sulfide synthesizing method and electrode |
| CN109280938A (en) * | 2018-09-30 | 2019-01-29 | 陕西科技大学 | A kind of Ni of the V doping of flower ball-shaped3S2/ NF self-supporting electrode material and preparation method thereof |
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| CN110098068A (en) * | 2019-04-03 | 2019-08-06 | 中南大学 | A kind of preparation method of ternary nickel cobalt manganese sulfide fake capacitance super capacitor material |
| CN110724220A (en) * | 2019-10-15 | 2020-01-24 | 江苏科技大学 | Needle-shaped control agent and preparation method and application thereof |
| CN110808172A (en) * | 2019-10-31 | 2020-02-18 | 上海应用技术大学 | Fe-Co-S nanosheet material and preparation method and application thereof |
| CN111276340A (en) * | 2020-01-23 | 2020-06-12 | 上海应用技术大学 | Ce-Co-S composite material and preparation method and application thereof |
| CN111986929A (en) * | 2020-07-31 | 2020-11-24 | 江苏大学 | Preparation method of cobalt manganate/nickel sulfide core-shell array structure electrode material |
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