CN109755031A - A kind of NiO/NG/NF combination electrode material and preparation method thereof - Google Patents
A kind of NiO/NG/NF combination electrode material and preparation method thereof Download PDFInfo
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- CN109755031A CN109755031A CN201910129746.5A CN201910129746A CN109755031A CN 109755031 A CN109755031 A CN 109755031A CN 201910129746 A CN201910129746 A CN 201910129746A CN 109755031 A CN109755031 A CN 109755031A
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- 239000007772 electrode material Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 136
- 239000006260 foam Substances 0.000 claims abstract description 68
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 66
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 54
- 239000000243 solution Substances 0.000 claims abstract description 35
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 31
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229940078494 nickel acetate Drugs 0.000 claims abstract description 19
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229960004756 ethanol Drugs 0.000 claims abstract description 11
- 235000019441 ethanol Nutrition 0.000 claims abstract description 11
- YNPNZTXNASCQKK-UHFFFAOYSA-N Phenanthrene Natural products C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 claims abstract description 10
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 claims abstract description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229960000935 dehydrated alcohol Drugs 0.000 claims abstract description 9
- 239000008367 deionised water Substances 0.000 claims abstract description 9
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011259 mixed solution Substances 0.000 claims abstract description 3
- 238000010792 warming Methods 0.000 claims abstract description 3
- 239000010453 quartz Substances 0.000 claims description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910021389 graphene Inorganic materials 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 7
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims 2
- 239000003205 fragrance Substances 0.000 claims 1
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 238000004506 ultrasonic cleaning Methods 0.000 abstract 1
- 238000001291 vacuum drying Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002468 redox effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- 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 NiO/NG/NF combination electrode materials and preparation method thereof, include the following steps: nickel foam acetone first, dilute hydrochloric acid is pre-processed, the nickel foam handled well is used into deionized water and dehydrated alcohol point ultrasonic cleaning respectively, the immersion of pretreated nickel foam is contained into nickel acetate after vacuum drying, Phen, in ethyl alcohol and ethylene glycol mixed solution, again with the ethylene glycol solution of sodium hydroxide in tube furnace under logical condition of nitrogen gas, 400-600 DEG C is warming up to the heating rate of 1-20 DEG C/min, keep the temperature 1-12h, it reacts and NiO/NG/NF combination electrode material is made.The electrode material has good specific capacitance and good cyclical stability, is 96% in the specific capacitance retention rate that current density is electrode after 5A/g charge and discharge cycles 2000 are enclosed.
Description
Technical field
The present invention relates to a kind of NiO/NG/NF combination electrode materials and preparation method thereof, specifically, being to be related to a kind of tool
There is the NiO/NG/NF combination electrode material of woods shape and preparation method thereof of good charge-discharge performance and stable circulation performance.
Background technique
Supercapacitor has the characteristics that power density is high, the charging time is short, has extended cycle life and at low cost, is widely applied
In fields such as portable electronic device, hybrid power electric car and large-scale intelligent power grids.But it is difficult due to electric conductivity difference into one
Step reaches theoretical specific capacitance.Traditional method is usually to be made into using addition adhesive and electrically conductive graphite with active electrode material
On pasty electrode applying material to electrode, so that the performance of active electrode material is difficult to play one's part to the full.It is asked to solve this
Topic, using nickel foam as electrode current collecting body, is grown directly upon electrode material on foam nickel skeleton, can make electrode material
Performance is greatly improved by synergistic effect.
NiO has the characteristics that big theoretical specific capacitance, cheap, abundant raw material, environmental-friendly receives researcher
Concern.But since the electronic conductivity of NiO is relatively low, so actual specific capacitance is lower.Graphene has specific surface area
Greatly, the carrier mobility and good chemical stability of superelevation.To improve its electric conductivity, usually by graphene and semiconductor
Material cladding, but pre-synthesis graphene is generally required, then compound with other semiconductor materials, cause graphene to be difficult to uniformly divide
It dissipates, poor with the interface cohesion effect of inorganic material, the electrical property for keeping its excellent is difficult to give full play of, and its preparation process
With last handling process very complicated, preparation condition is harsh, is unfavorable for the NiO combination electrode material of synthesis answering in business extensively
With.On the other hand, there is high-specific surface area more electroactive sites, Jin Erneng can be provided in electrochemical reaction process for preparation
Enough enhance the capacitive property of supercapacitor.
For these reasons, how to find that a kind of technique is relatively easy, reaction condition is milder, and Gao Bibiao can be prepared
Area and the high NiO/NG/NF combination electrode material with good charge-discharge performance and stable circulation performance of electric conductivity are then
Main problem to be solved by this invention.
Summary of the invention:
The purpose of the present invention is to provide a kind of preparation methods of NiO/NG/NF combination electrode material.The preparation process
Relatively easy, obtained holey composite construction is conducive to the transmission of electronics and electrolyte ion in electrochemical process, thus
Be conducive to electrochemical energy storage reaction generation, can effectively improve the chemical property of electrode material, using nickel foam as
Substrate is grown directly upon the NiO of woods shape and graphene on foam nickel skeleton, and obtained NiO has good redox
Property, graphene and Ni can be improved electric conductivity, effectively avoid the problems such as electrode cycle stability is poor, internal resistance is high, its three is answered
It closes, can make prepared porous electrode material that there is higher specific capacitance and good cyclicity.
In order to solve the above technical problems, the present invention is achieved by the following scheme:
A kind of NiO/NG/NF combination electrode material and preparation method thereof, which is characterized in that the NiO/NG/NF of woods shape is multiple
Composite electrode material is to immerse pretreated nickel foam containing in nickel acetate, Phen, ethyl alcohol and ethylene glycol mixed solution, then
It reacts to obtain the multistage netted structure composite electrode material of NiO/NG/NF, the composite material with the ethylene glycol solution of sodium hydroxide
It can be used as the electrode material of supercapacitor, the method includes the following steps:
(1) nickel foam pre-processes: nickel foam being cut into the square sheets of 1cm × 1cm size, nickel foam is put into acetone
5min is impregnated, nickel foam is taken out, then nickel foam is put into the dilute hydrochloric acid of 1mol/L and impregnates 5min, finally, nickel foam is taken
Use deionized water and dehydrated alcohol supersound washing three times respectively out, it is dry in 60 DEG C of vacuum oven；
(2) nickel acetate for weighing 0.01-1mmol is dissolved in 0.1-5ml ethylene glycol, is denoted as solution a；
(3) it weighs 0.001-0.1g Phen to be dissolved in 0.1-5ml ethyl alcohol, is denoted as solution b；
(4) the solution a prepared is poured into solution b, after mixing, be put into quartz boat 1. in, then by step (1) pre-process
Nickel foam be put into quartz boat 1. in；
(5) by 0.01-0.5g sodium hydroxide and 1-5ml ethylene glycol be put into another quartz boat 2. in, make nickel acetate and hydrogen-oxygen
The molar ratio for changing sodium is 1:1-1:20, in 1. and 2. tube furnace that two quartz boats are successively put into, leads to nitrogen, with 1-20 DEG C/
The heating rate of min is warming up to 400-600 DEG C, keeps the temperature 1-12h and obtains NiO/NG/NF combination electrode material after cooling.
Detailed description of the invention
Fig. 1 is the x-ray powder of the NiO/NG/NF combination electrode material prepared using one the method for the embodiment of the present invention
Diffraction (XRD) map.
Fig. 2 is the scanning electron of the NiO/NG/NF combination electrode material prepared using one the method for the embodiment of the present invention
Microscope (SEM) photo.
Fig. 3 is the charge-discharge performance test knot of the NiO/NG/NF combination electrode material prepared using the method for the invention
Fruit.
Fig. 4 is the stable circulation of the NiO/NG/NF combination electrode material prepared using one the method for the embodiment of the present invention
Property test result.
Specific embodiment
Embodiment one:
(1) nickel foam pre-processes: nickel foam being cut into the square sheets of 1cm × 1cm size, nickel foam is put into acetone
5min is impregnated, nickel foam is taken out, then nickel foam is put into the dilute hydrochloric acid of 1mol/L and impregnates 5min, finally, nickel foam is taken
Use deionized water and dehydrated alcohol supersound washing three times respectively out, it is dry in 60 DEG C of vacuum oven；
(2) nickel acetate for weighing 0.3mmol is dissolved in 2ml ethylene glycol, is denoted as solution a；
(3) it weighs 0.007g Phen to be dissolved in 1ml ethyl alcohol, is denoted as solution b；
(4) the solution a prepared is poured into solution b, after mixing, be put into quartz boat 1. in, then by step (1) pre-process
Nickel foam be put into quartz boat 1. in；
(5) by 0.1g sodium hydroxide and 2ml ethylene glycol be put into another quartz boat 2. in, make rubbing for nickel acetate and sodium hydroxide
You are than in 1. and 2. tube furnace that two quartz boats are successively put into, leading to nitrogen, with the heating rate liter of 5 DEG C/min for 3:25
Temperature keeps the temperature 4h and obtains NiO/NG/NF combination electrode material after cooling to 500 DEG C.
Embodiment two:
(1) nickel foam pre-processes: nickel foam being cut into the square sheets of 1cm × 1cm size, nickel foam is put into acetone
5min is impregnated, nickel foam is taken out, then nickel foam is put into the dilute hydrochloric acid of 1mol/L and impregnates 5min, finally, nickel foam is taken
Use deionized water and dehydrated alcohol supersound washing three times respectively out, it is dry in 60 DEG C of vacuum oven；
(2) nickel acetate for weighing 0.6mmol is dissolved in 1ml ethylene glycol, is denoted as solution a；
(3) it weighs 0.014g Phen to be dissolved in 1ml ethyl alcohol, is denoted as solution b；
(4) the solution a prepared is poured into solution b, after mixing, be put into quartz boat 1. in, then by step (1) pre-process
Nickel foam be put into quartz boat 1. in；
(5) by 0.1g sodium hydroxide and 2ml ethylene glycol be put into another quartz boat 2. in, make rubbing for nickel acetate and sodium hydroxide
You are than in 1. and 2. tube furnace that two quartz boats are successively put into, leading to nitrogen, with the heating rate liter of 5 DEG C/min for 6:25
Temperature keeps the temperature 4h and obtains NiO/NG/NF combination electrode material after cooling to 500 DEG C.
Embodiment three:
(1) nickel foam pre-processes: nickel foam being cut into the square sheets of 1cm × 1cm size, nickel foam is put into acetone
5min is impregnated, nickel foam is taken out, then nickel foam is put into the dilute hydrochloric acid of 1mol/L and impregnates 5min, finally, nickel foam is taken
Use deionized water and dehydrated alcohol supersound washing three times respectively out, it is dry in 60 DEG C of vacuum oven；
(4) nickel acetate for weighing 0.15mmol is dissolved in 1ml ethylene glycol, is denoted as solution a；
(3) it weighs 0.007g Phen to be dissolved in 1ml ethyl alcohol, is denoted as solution b；
(4) the solution a prepared is poured into solution b, after mixing, be put into quartz boat 1. in, then by step (1) pre-process
Nickel foam be put into quartz boat 1. in；
(5) by 0.1g sodium hydroxide and 2ml ethylene glycol be put into another quartz boat 2. in, make rubbing for nickel acetate and sodium hydroxide
You are than in 1. and 2. tube furnace that two quartz boats are successively put into, leading to nitrogen, with the heating rate liter of 5 DEG C/min for 3:50
Temperature keeps the temperature 4h and obtains NiO/NG/NF combination electrode material after cooling to 550 DEG C.
Example IV:
(1) nickel foam pre-processes: nickel foam being cut into the square sheets of 1cm × 1cm size, nickel foam is put into acetone
5min is impregnated, nickel foam is taken out, then nickel foam is put into the dilute hydrochloric acid of 1mol/L and impregnates 5min, finally, nickel foam is taken
Use deionized water and dehydrated alcohol supersound washing three times respectively out, it is dry in 60 DEG C of vacuum oven；
(5) nickel acetate for weighing 0.3mmol is dissolved in 2ml ethylene glycol, is denoted as solution a；
(3) it weighs 0.007g Phen to be dissolved in 2ml ethyl alcohol, is denoted as solution b；
(4) the solution a prepared is poured into solution b, after mixing, be put into quartz boat 1. in, then by step (1) pre-process
Nickel foam be put into quartz boat 1. in；
(5) by 0.2g sodium hydroxide and 2ml ethylene glycol be put into another quartz boat 2. in, make rubbing for nickel acetate and sodium hydroxide
You are than in 1. and 2. tube furnace that two quartz boats are successively put into, leading to nitrogen, with the heating rate liter of 10 DEG C/min for 3:50
Temperature keeps the temperature 4h and obtains NiO/NG/NF combination electrode material after cooling to 550 DEG C.
Embodiment five:
(1) nickel foam pre-processes: nickel foam being cut into the square sheets of 1cm × 1cm size, nickel foam is put into acetone
5min is impregnated, nickel foam is taken out, then nickel foam is put into the dilute hydrochloric acid of 1mol/L and impregnates 5min, finally, nickel foam is taken
Use deionized water and dehydrated alcohol supersound washing three times respectively out, it is dry in 60 DEG C of vacuum oven；
(6) nickel acetate for weighing 0.3mmol is dissolved in 3ml ethylene glycol, is denoted as solution a；
(3) it weighs 0.1g Phen to be dissolved in 2ml ethyl alcohol, is denoted as solution b；
(4) the solution a prepared is poured into solution b, after mixing, be put into quartz boat 1. in, then by step (1) pre-process
Nickel foam be put into quartz boat 1. in；
(5) by 0.1g sodium hydroxide and 2ml ethylene glycol be put into another quartz boat 2. in, make rubbing for nickel acetate and sodium hydroxide
You are than in 1. and 2. tube furnace that two quartz boats are successively put into, leading to nitrogen, with the heating rate liter of 2 DEG C/min for 3:25
Temperature keeps the temperature 6h and obtains NiO/NG/NF combination electrode material after cooling to 450 DEG C.
Embodiment six:
(1) nickel foam pre-processes: nickel foam being cut into the square sheets of 1cm × 1cm size, nickel foam is put into acetone
5min is impregnated, nickel foam is taken out, then nickel foam is put into the dilute hydrochloric acid of 1mol/L and impregnates 5min, finally, nickel foam is taken
Use deionized water and dehydrated alcohol supersound washing three times respectively out, it is dry in 60 DEG C of vacuum oven；
(2) nickel acetate for weighing 0.3mmol is dissolved in 5ml ethylene glycol, is denoted as solution a；
(3) it weighs 0.007g Phen to be dissolved in 5ml ethyl alcohol, is denoted as solution b；
(4) the solution a prepared is poured into solution b, after mixing, be put into quartz boat 1. in, then by step (1) pre-process
Nickel foam be put into quartz boat 1. in；
(5) by 0.2g sodium hydroxide and 2ml ethylene glycol be put into another quartz boat 2. in, make rubbing for nickel acetate and sodium hydroxide
You are than in 1. and 2. tube furnace that two quartz boats are successively put into, leading to nitrogen, with the heating rate liter of 2 DEG C/min for 3:25
Temperature keeps the temperature 3h and obtains NiO/NG/NF combination electrode material after cooling to 650 DEG C.
Fig. 1 is the x-ray powder of the NiO/NG/NF combination electrode material prepared using one the method for the embodiment of the present invention
Diffraction (XRD) map.Sharp diffraction maximum (being labeled as #) comes from metallic nickel in figure, and weak diffraction maximum (being labeled as *) corresponds to
The diffraction maximum of NiO；
Fig. 2 is the scanning electron of the NiO/NG/NF combination electrode material prepared using one the method for the embodiment of the present invention
Microscope (SEM) photo.It can be seen that in the nickel foam that NiO/NG is uniformly grown in tridimensional network from Fig. 2 a, from figure
It is to pierce the woods shape assembled by nanometer that 2b, which can be seen that gained composite construction, and such a structure increases having for electrode material
Area is imitated, effective transmission of electrolyte is conducive to；
Fig. 3 is that the charge-discharge performance of the NiO/NG/NF combination electrode material of one the method for embodiment of the present invention preparation is surveyed
Test result.From figure (3a, 3b) as can be seen that NiO/NG/NF as electrode material current density be 1A/g, 2A/g, 5A/g,
When 10A/g, specific capacitance is respectively 1525F/g, 1458F/g, 1389F/g, 1289F/g, 1156F/g.Pass through NiO, N doping stone
Black alkene, nickel foam three are compound, and prepared multistage network structure electrode material can be made to have high specific capacitance；
Fig. 4 is the stable circulation of the NiO/NG/NF combination electrode material prepared using one the method for the embodiment of the present invention
Property test result.Figure 4, it is seen that retaining in the specific capacitance that current density is electrode after 5A/g charge and discharge cycles 2000 are enclosed
Rate is 96%.It is compound by NiO, nitrogen-doped graphene, nickel foam three, prepared multistage network structure electrode material can be made
Material has good cyclical stability.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation.
Claims (1)
1. a kind of NiO/NG/NF combination electrode material and preparation method thereof, which is characterized in that NiO/ nitrogen-doped graphene (NG,
Nitrogen-doping graphene)/NF combination electrode material is to immerse pretreated nickel foam to contain nickel acetate, adjacent luxuriant and rich with fragrance
In sieve quinoline, ethyl alcohol and ethylene glycol mixed solution, then react with the ethylene glycol solution of sodium hydroxide to obtain NiO/NG/NF multistage netted
Structure composite electrode material, the composite material can be used as the electrode material of supercapacitor, and the method includes the following steps:
(1) nickel foam pre-processes: nickel foam being cut into the square sheets of 1cm × 1cm size, nickel foam is put into acetone and is impregnated
5min takes out nickel foam, then nickel foam is put into the dilute hydrochloric acid of 1mol/L and impregnates 5min, divides finally, nickel foam is taken out
Not Yong deionized water and dehydrated alcohol supersound washing three times, it is dry in 60 DEG C of vacuum oven；
(2) nickel acetate for weighing 0.01-1mmol is dissolved in 0.1-5ml ethylene glycol, is denoted as solution a；
(3) it weighs 0.001-0.1g Phen to be dissolved in 0.1-5ml ethyl alcohol, is denoted as solution b；
(4) the solution a prepared is poured into solution b, after mixing, be put into quartz boat 1. in, then by step (1) pretreated bubble
Foam nickel be put into quartz boat 1. in；
(5) by 0.01-0.5g sodium hydroxide and 1-5ml ethylene glycol be put into another quartz boat 2. in, make nickel acetate and sodium hydroxide
Molar ratio be 1:1-1:20, in 1. and 2. tube furnace that two quartz boats are successively put into, lead to nitrogen, with 1-20 DEG C/min's
Heating rate is warming up to 400-600 DEG C, keeps the temperature 1-12h and obtains NiO/NG/NF combination electrode material after cooling.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681003A (en) * | 2013-11-25 | 2014-03-26 | 北京工业大学 | Method for manufacturing substrates of three-dimensional graphene-nickel oxide composite materials |
| CN105152167A (en) * | 2015-10-16 | 2015-12-16 | 合肥工业大学 | Large-scale synthesis method of two-dimensional graphene-like carbon material by using sodium citrate |
| KR20180133063A (en) * | 2017-06-05 | 2018-12-13 | 주식회사 엘지화학 | Catalytic site, positive electrode active material and lithium-sulfur battery comprising the same |
-
2019
- 2019-02-21 CN CN201910129746.5A patent/CN109755031B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681003A (en) * | 2013-11-25 | 2014-03-26 | 北京工业大学 | Method for manufacturing substrates of three-dimensional graphene-nickel oxide composite materials |
| CN105152167A (en) * | 2015-10-16 | 2015-12-16 | 合肥工业大学 | Large-scale synthesis method of two-dimensional graphene-like carbon material by using sodium citrate |
| KR20180133063A (en) * | 2017-06-05 | 2018-12-13 | 주식회사 엘지화학 | Catalytic site, positive electrode active material and lithium-sulfur battery comprising the same |
Non-Patent Citations (3)
| Title |
|---|
| HAIGEN HUANG,ET AL: ""Nitrogen-doped graphene-activated metallic nanoparticle-incorporated ordered mesoporous carbon nanocomposites for the hydrogenation of nitroarenes"", 《RSC ADV.》 * |
| LOTF ALI SAGHATFOROUSH,ET AL: ""Ni(OH)2 and NiO Nanostructures: Synthesis, Characterization and Electrochemical Performance"", 《BULL. KOREAN CHEM. SOC.》 * |
| YACHAO ZHU,ET AL: ""Self-assembled Ni/NiO/RGO heterostructures for high-performance supercapacitors"", 《RSC ADV.》 * |
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