CN106356201A - Preparation method and application of carbon fiber based nickel hydroxide composite material - Google Patents
Preparation method and application of carbon fiber based nickel hydroxide composite material Download PDFInfo
- Publication number
- CN106356201A CN106356201A CN201610845623.8A CN201610845623A CN106356201A CN 106356201 A CN106356201 A CN 106356201A CN 201610845623 A CN201610845623 A CN 201610845623A CN 106356201 A CN106356201 A CN 106356201A
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- carbon fiber
- nickel hydroxide
- hydroxide composite
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- 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
- H01G11/84—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 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
-
- 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
- H01G11/40—Fibres
-
- 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 preparation method and application of a carbon fiber based nickel hydroxide composite material. The preparation method includes: subjecting degreasing cotton to high-heat treatment under nitrogen atmosphere to obtain a carbon fiber block; adding nickel sulfate and potassium peroxodisulfate into distilled water for stirring to dissolve, adding the carbon fiber block wetted through methyl alcohol after complete dissolution, under magnetic stirring, dropwise adding 3mL of ammonium hydroxide 28% in mass fraction, and after dropwise adding is completed, stopping stirring for standing for 1 hour; taking a carbon fiber based sample which is washed through the distilled water and then placed in an oven for drying for 12 hours under the temperature of 80DEG C to obtain the carbon fiber based nickel hydroxide composite material which can be used as an electrode material for a supercapacitor. The preparation method and application is simple in operation and easy to implement, and the obtained carbon fiber based nickel hydroxide composite material is good in performance when serving as the electrode material of the supercapacitor.
Description
Technical field
The invention belongs to combination electrode material preparing technical field, particularly to a kind of carbon fiber-based nickel hydroxide composite wood
The preparation method and applications of material.
Background technology
Fast development along with social economy and the sharp increase of population, energy shortage problem is more and more prominent.For solution
Determine these problems, development environmental protection there is efficient utilization rate and oligosaprobic sustainable energy is very urgent.Ultracapacitor because
It has the advantages that high power density, long cycle life and simple operation principle receive much concern.At present, super capacitor
Device has been used to the fields such as electronic product, transportation, electric power, communication and national defense safety, such as electric screw driver, wind energy and the sun
Can electrification energy storage equipment.Research shows, the raising of performance of the supercapacitor depends on the development of electrode material.Nano metal
Hydroxide has higher capacitance as electrode material for super capacitor, but the shortcoming shadow of easy aggregation and low electric conductivity
Ring the capacitance of its stable circulation performance and high current density, limit it as the application of electrode of super capacitor.
It is a class light weight, high connductivity with the carbon fiber that extensive biomass Cotton Gossypii of originating passes through to be thermally treated resulting in for carbon source
Property, the structural material of high-specific surface area.The pilotaxitic texture of Cotton Gossypii base carbon fibre can also keep certain entirety to tie after making its carbonization
Structure, creates condition as substrate using in situ synthesis load nickel hydroxide for it.
Therefore, the present invention intends material based on absorbent cotton, absorbent cotton is carried out in a nitrogen atmosphere high-temperature heat treatment
Obtain carbon fiber block；With carbon fiber as substrate, with nickel sulfate as raw material, obtain carbon fiber-based nickel hydroxide using chemical baths and receive
Nano composite material, this thinking has no document report.
Content of the invention
It is an object of the invention to provide a kind of preparation method and applications of carbon fiber-based nickel hydroxide composite.
Concretely comprise the following steps:
(1) 2 g absorbent cottons being placed in corundum boat is placed in the middle part of tube furnace, is warming up to 700 DEG C of roastings 2 in a nitrogen atmosphere
H, heating rate is 10 DEG C/min, naturally cools to room temperature afterwards in a nitrogen atmosphere, that is, obtains carbon fiber block.
(2) 5.26 g nickel sulfate, 1 g potassium peroxydisulfate and 45 ml distilled water are added in beaker, stirring and dissolving, are obtained
Mixed solution.
(3) will put into after step (1) gained carbon fiber block in methyl alcohol moistening in the mixed solution that step (2) is obtained, and
Pushed down with copper wire and make carbon fiber block sink to the beaker bottom containing mixed solution, and lean against beaker inwall, then in beaker center
Put into stirring magnet rotor, start stirring, be added dropwise over ammonia 3 ml that mass fraction is 28%, after completion of dropwise addition, stop stirring, quiet
Put 1 h, be placed in after then taking out carbon fiber block sample distilled water wash in baking oven and 12 hs are dried at 80 DEG C, that is, carbon is obtained
Fiber base nickel hydroxide composite.
Described absorbent cotton is commercially available medical absorbent cotton.
The carbon fiber-based nickel hydroxide composite of the present invention can be applied as the electrode material of ultracapacitor.
Compared with prior art, beneficial effects of the present invention are embodied in:
1) carbon fiber-based nickel hydroxide composite of the present invention, material based on extensive biomass Cotton Gossypii of originating
Material, the pilotaxitic texture of cotton fiber can also keep certain overall structure after making its high-temperature heat treatment.Use it as growth electricity
The substrate of pole material, on the one hand can improve the electric conductivity of nickel hydroxide, active matter when on the other hand can weaken growth in situ
The agglomeration of matter.
2) the inventive method is simple to operate, easily realizes, and obtained carbon fiber-based nickel hydroxide composite conduct
The excellent performance when electrode material of ultracapacitor uses.
Brief description
Fig. 1 is the scanning electron microscope (SEM) photograph of the carbon fiber-based nickel hydroxide composite that the embodiment of the present invention is obtained.
Fig. 2 be the embodiment of the present invention be obtained carbon fiber-based nickel hydroxide composite and comparative example be obtained be not added with base
The ratio electric capacity of the nickel hydroxide material at bottom is with the variation diagram of electric current density.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment:
Medical absorbent cotton commercially available for 2 g is placed in corundum boat to be placed in the middle part of tube furnace, is warming up to 700 in a nitrogen atmosphere
DEG C roasting 2 h, heating rate is 10 DEG C/min, naturally cools to room temperature afterwards in a nitrogen atmosphere, that is, obtains carbon fiber block；
5.26 g nickel sulfate, 1.00 g potassium peroxydisulfates and 45 ml distilled water are added in beaker, stirring and dissolving, prepared mixed solution；
Put into after carbon fiber block methanol moistening in mixed solution, and push down the burning making carbon fiber block sink to Sheng mixed solution with copper wire
Cup bottom, and lean against beaker inwall, then put into stirring magnet rotor in beaker center, start stirring, and be added dropwise over quality
Fraction is 28% ammonia 3 ml, stops stirring after completion of dropwise addition, stands 1 h, then takes out the distillation washing of carbon fiber block sample
It is placed in after washing in baking oven and 12 hs are dried at 80 DEG C, that is, carbon fiber-based nickel hydroxide composite is obtained.
The carbon fiber-based nickel hydroxide composite that be obtained the present embodiment and polyvinylidene fluoride and white carbon black are according to quality
Weigh dispensing than for 80:10:10, be subsequently placed in 500 μ l n- N-methyl-2-2-pyrrolidone Ns, after stirring, be coated in nickel foam 1
cm2Surface on.Then 12 hs are dried at 100 DEG C, carry out tabletting under 10 mpa and weigh, that is, super capacitor electrode is obtained
Pole material.The electrode material for super capacitor being obtained is placed in the koh electrolyte of 6.0 mol/l, in chi660d electricity under room temperature
Chem workstation is circulated the test of volt-ampere curve, constant current charge-discharge curve and stability respectively.Find after tested, gained
The capacitive property of electrode material for super capacitor greatly increases, and ratio capacitance under different electric current densities for the sample is shown in Fig. 2.
Comparative example:
5.26 g nickel sulfate, 1.00 g potassium peroxydisulfates and 45 ml distilled water are added in beaker, stirring and dissolving, mixing is obtained
Solution；Under magnetic stirring, it is added dropwise over ammonia 3 ml that mass fraction is 28%, after completion of dropwise addition, stops stirring, stand 1 h,
Precipitation filtration washing in beaker is placed in baking oven being dried 12 h at 80 DEG C, that is, the hydroxide that be not added with substrate is obtained
Nickel material.
It is not added with the nickel hydroxide material of substrate and polyvinylidene fluoride and white carbon black by what this comparative example was obtained according to quality
Weigh dispensing than for 80:10:10, be subsequently placed in 500 μ l n- N-methyl-2-2-pyrrolidone Ns, after stirring, be coated in nickel foam 1
cm2Surface on.Then 12 hs are dried at 100 DEG C, carry out tabletting under 10 mpa and weigh, that is, be obtained and be not added with substrate
Electrode material.By be obtained the electrode material being not added with substrate be placed in the koh electrolyte of 6.0 mol/l, under room temperature
Chi660d electrochemical workstation is circulated the test of volt-ampere curve, constant current charge-discharge curve and stability respectively.After tested
Find, the electrode material that gained is not added with substrate has certain capacitive property, ratio capacitance under different electric current densities for the sample
See Fig. 2.
By the comparison of embodiment and comparative example it can be seen that the electricity of the carbon fiber-based nickel hydroxide composite of the present invention
Chemical property is remarkably reinforced.Therefore answered with the carbon fiber-based nickel hydroxide that absorbent cotton is prepared for presoma using chemical baths
Condensation material is a kind of efficient electrode material for super capacitor having larger application prospect.
Claims (2)
1. a kind of preparation method of carbon fiber-based nickel hydroxide composite is it is characterised in that concretely comprise the following steps:
(1) 2 g absorbent cottons being placed in corundum boat is placed in the middle part of tube furnace, is warming up to 700 DEG C of roastings 2 in a nitrogen atmosphere
H, heating rate is 10 DEG C/min, naturally cools to room temperature afterwards in a nitrogen atmosphere, that is, obtains carbon fiber block；
(2) 5.26 g nickel sulfate, 1 g potassium peroxydisulfate and 45 ml distilled water are added in beaker, stirring and dissolving, mixing is obtained
Solution；
(3) will put into after the carbon fiber block of step (1) in methyl alcohol moistening in the mixed solution that step (2) is obtained, and use copper wire
Push down and make carbon fiber block sink to the beaker bottom containing mixed solution, and lean against beaker inwall, then put in beaker center and stir
Mix magnet rotor, start stirring, and be added dropwise over ammonia 3 ml that mass fraction is 28%, after completion of dropwise addition, stop stirring, stand 1
H, takes out carbon fiber block sample distilled water wash, is placed in afterwards in baking oven and 12 hs are dried at 80 DEG C, that is, carbon fiber-based is obtained
Nickel hydroxide composite；
Described absorbent cotton is commercially available medical absorbent cotton.
2. a kind of application of the carbon fiber-based nickel hydroxide composite of preparation method preparation as claimed in claim 1, it is special
Levy the electrode material being that this carbon fiber-based nickel hydroxide composite is used as ultracapacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610845623.8A CN106356201A (en) | 2016-09-26 | 2016-09-26 | Preparation method and application of carbon fiber based nickel hydroxide composite material |
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| CN201610845623.8A CN106356201A (en) | 2016-09-26 | 2016-09-26 | Preparation method and application of carbon fiber based nickel hydroxide composite material |
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| CN201610845623.8A Pending CN106356201A (en) | 2016-09-26 | 2016-09-26 | Preparation method and application of carbon fiber based nickel hydroxide composite material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786121A (en) * | 2019-02-08 | 2019-05-21 | 桂林理工大学 | It is a kind of using cotton carbon fiber as the method and application of substrate growth in situ cobalt nickel hydroxide |
| CN110512230A (en) * | 2019-08-05 | 2019-11-29 | 广东工业大学 | A kind of electro catalytic electrode of WP- nickel hydroxide counter opal composite micro-nano structure and preparation method thereof and liberation of hydrogen application |
| CN111137891A (en) * | 2020-01-10 | 2020-05-12 | 齐鲁工业大学 | Preparation method of nickel-doped magnetic carbon and application of nickel-doped magnetic carbon in hydrogen production by dark fermentation |
| CN111501329A (en) * | 2020-06-03 | 2020-08-07 | 陕西科技大学 | Preparation method of nickel hydroxide/polyetheramine modified carbon fiber |
| CN112002564A (en) * | 2020-08-26 | 2020-11-27 | 郑州航空工业管理学院 | Electrode material of super capacitor, preparation method and application |
| CN112301735A (en) * | 2020-11-18 | 2021-02-02 | 上海婉静纺织科技有限公司 | Processing technology of anti-ultraviolet pure cotton fabric |
| CN112323484A (en) * | 2020-11-18 | 2021-02-05 | 上海婉静纺织科技有限公司 | Ultraviolet-resistant modification method for fabric |
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| CN103746099A (en) * | 2014-01-17 | 2014-04-23 | 江苏华盛精化工股份有限公司 | Preparation method of tin-dioxide-coated carbon fiber material, and product and application thereof |
| CN105047434A (en) * | 2015-07-02 | 2015-11-11 | 哈尔滨工业大学 | Method of preparing titania nanotube/carbon/manganese oxide composite material by using gaseous penetration method |
| CN105529448A (en) * | 2016-01-22 | 2016-04-27 | 西北工业大学 | Preparation method for flexible lithium ion battery cathode material |
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| EP2399958A1 (en) * | 2009-02-17 | 2011-12-28 | Soken Chemical & Engineering Co., Ltd. | Composite conductive polymer composition, method for producing same, solution containing the composition, and use of the composition |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786121A (en) * | 2019-02-08 | 2019-05-21 | 桂林理工大学 | It is a kind of using cotton carbon fiber as the method and application of substrate growth in situ cobalt nickel hydroxide |
| CN110512230A (en) * | 2019-08-05 | 2019-11-29 | 广东工业大学 | A kind of electro catalytic electrode of WP- nickel hydroxide counter opal composite micro-nano structure and preparation method thereof and liberation of hydrogen application |
| CN111137891A (en) * | 2020-01-10 | 2020-05-12 | 齐鲁工业大学 | Preparation method of nickel-doped magnetic carbon and application of nickel-doped magnetic carbon in hydrogen production by dark fermentation |
| CN111501329A (en) * | 2020-06-03 | 2020-08-07 | 陕西科技大学 | Preparation method of nickel hydroxide/polyetheramine modified carbon fiber |
| CN111501329B (en) * | 2020-06-03 | 2022-05-17 | 陕西科技大学 | Preparation method of nickel hydroxide/polyetheramine modified carbon fiber |
| CN112002564A (en) * | 2020-08-26 | 2020-11-27 | 郑州航空工业管理学院 | Electrode material of super capacitor, preparation method and application |
| CN112002564B (en) * | 2020-08-26 | 2021-09-07 | 郑州航空工业管理学院 | Electrode material of super capacitor, preparation method and application |
| CN112301735A (en) * | 2020-11-18 | 2021-02-02 | 上海婉静纺织科技有限公司 | Processing technology of anti-ultraviolet pure cotton fabric |
| CN112323484A (en) * | 2020-11-18 | 2021-02-05 | 上海婉静纺织科技有限公司 | Ultraviolet-resistant modification method for fabric |
| CN112301735B (en) * | 2020-11-18 | 2022-07-29 | 胜利科技集团有限公司 | Processing technology of anti-ultraviolet pure cotton fabric |
| CN112323484B (en) * | 2020-11-18 | 2022-08-16 | 湖州优淘服饰有限公司 | Ultraviolet-resistant modification method for fabric |
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