CN106710894A - Manufacturing method of silver nanowire and manganous-manganic oxide one-dimensional core-shell composite nanomaterial - Google Patents
Manufacturing method of silver nanowire and manganous-manganic oxide one-dimensional core-shell composite nanomaterial Download PDFInfo
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- CN106710894A CN106710894A CN201611142472.6A CN201611142472A CN106710894A CN 106710894 A CN106710894 A CN 106710894A CN 201611142472 A CN201611142472 A CN 201611142472A CN 106710894 A CN106710894 A CN 106710894A
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- nano silver
- manganic oxide
- silver wire
- absolute ethyl
- mixed liquor
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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
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
-
- 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
- H01G11/46—Metal oxides
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- 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
A manufacturing method of a silver nanowire and manganous-manganic oxide one-dimensional core-shell composite nanomaterial is disclosed. The method comprises the following steps of 1) adding thick-silver nanowire-ethanol dispersion solution into absolute ethyl alcohol, carrying out magnetic stirring till that uniform dispersion is reached, and acquiring a mixed liquor; 2) adding a potassium permanganate solution dropwise into the above mixed liquor, under a room temperature, maintaining magnetic stirring for 12 hours, using deionized water and the absolute ethyl alcohol to carry out centrifugal washing for 3 times, at a 60 DEG C, drying for 12 hours in a vacuum state, and acquiring brown powder; and 3) putting the above brown powder into a tube furnace, calcining under an argon atmosphere, naturally cooling to the room temperature, and acquiring a target object. The method has advantages that the manufacturing method of the composite nanomaterial is simple and is easy to operate, and energy consumption is reduced; product components and contents can be adjusted; the composite material has a high specific capacity, a good rate capability and a good cycle performance; during a manufacturing process, an environment pollution is not made, green and environmental protection are achieved, and the method is suitable for large scale production.
Description
Technical field
The present invention relates to the preparation of electrode material for super capacitor, particularly a kind of nano silver wire is one-dimensional with mangano-manganic oxide
The preparation method of nucleocapsid composite nano materials.
Background technology
Ultracapacitor is also called electrochemical capacitor, is a kind of novel energy-storing between traditional capacitor and battery
Equipment.Ultracapacitor has the advantages that power density higher, cycle life more long, operating temperature range wider and quilt
It is considered ideal energy storage device.According to the difference of reaction mechanism, ultracapacitor can be divided into double layer capacitor and
Faraday pseudo-capacitance device.Reversible Electrostatic Absorption of the double layer capacitor by electrolyte ion in surface of active material is stored
Electric charge.Faraday pseudo-capacitance device is that the quick redox reaction form occurred with active material surface and body phase stores energy
Amount.The electrode material of double layer capacitor is mainly carbon material, such as activated carbon, CNT and Graphene.The counterfeit electricity of faraday
The electrode material of container is mainly transition group metallic oxide and conducting polymer.Transition group metallic oxide has compared to carbon material
Energy density higher and be subject to widely studied, wherein the oxide of manganese because environment-friendly, rich reserves, theoretical electric capacity are high and
The advantages of voltage window is wide gains great popularity.But due to its material poorly conductive in itself, pattern, aperture and pore size distribution are difficult to regulation etc.
Shortcoming, actual capacitance performance is unsatisfactory.It is individual good its material that be can easily be accommodated with good conductivity, pattern is mutually combined
Selection.
It is well known that argent has very excellent electric conductivity.And monodimension nanometer material nano silver wire, and with height
Specific surface area and dispersiveness, stability is also preferable.Therefore, the oxide of manganese is combined with nano silver wire conductive to improve it
Property so strengthen capacitive property.In sum, a kind of nano silver wire simple to operate, with low cost, environment-friendly and four are developed
Mn 3 O core-shell structure composite nano material is significant.
The content of the invention
The purpose of the present invention is directed to and above-mentioned there is problem, there is provided a kind of nano silver wire is received with mangano-manganic oxide one-dimensional nucleocapsid
The preparation method of nano composite material, the preparation method process is simple, it is not necessary to the step complicated with high-temperature etc. for a long time, simplify
Preparation flow, it is easy to operate and reduce energy consumption；The composition and content of product are adjustable, and the composite material exhibits go out ratio higher
Capacity, more preferable high rate performance and cycle performance；Environmental pollution is not resulted in preparation process, environmental protection is adapted to extensive
Production..
Technical scheme：
A kind of preparation method of nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid nano composite material, step is as follows：
1) by concentration for 5mg/mL nano silver wires-alcohol dispersion liquid is added in absolute ethyl alcohol, nano silver wire-ethanol dispersion
Liquid is 1 with the volume ratio of absolute ethyl alcohol：50, magnetic agitation causes to be uniformly dispersed, and obtains mixed liquor；
2) by concentration for 30mg/mL liquor potassic permanganates are added dropwise in above-mentioned mixed liquor, liquor potassic permanganate with it is mixed
The volume ratio for closing liquid is 1.67：51, keep magnetic agitation 12 hours at room temperature, it is centrifuged with deionized water and absolute ethyl alcohol wash respectively
3 times, 60 DEG C of 12 hours of vacuum drying are washed, brown ceramic powder is obtained；
3) by above-mentioned brown ceramic powder, it is placed in tube furnace, under an argon atmosphere, with 10 DEG C of programming rates per minute,
2h is calcined at 200-400 DEG C, room temperature is naturally cooled to, nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid composite Nano material is obtained
Material.
The advantages of the present invention are：
The preparation method process is simple of the nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid composite nano materials, it is not necessary to long
The step of the complexity such as time and high-temperature, simplifies preparation flow, it is easy to operate and reduce energy consumption；The composition and content of product
Adjustable, the composite material exhibits go out specific capacity higher, more preferable high rate performance and cycle performance；Do not resulted in preparation process
Environmental pollution, environmental protection is adapted to large-scale production.
Brief description of the drawings
Fig. 1 is that nano silver wire is schemed with the SEM of mangano-manganic oxide one-dimensional nucleocapsid composite nano materials.
Fig. 2 is the XRD of nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid composite nano materials.
Fig. 3 is that nano silver wire is schemed with the TEM of mangano-manganic oxide one-dimensional nucleocapsid composite nano materials.
Fig. 4 is that electric discharge of the nano silver wire from mangano-manganic oxide one-dimensional nucleocapsid composite nano materials under different current densities is bent
Line.
Fig. 5 is circulation of the nano silver wire with mangano-manganic oxide one-dimensional nucleocapsid composite nano materials in the case where current density is 1A/g
Life diagram.
Fig. 6 is the high rate performance figure of nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid composite nano materials.
Specific embodiment
The present invention is described further with reference to embodiment.
Embodiment 1：
A kind of preparation method of nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid nano composite material, step is as follows：
1) it is the nano silver wire-alcohol dispersion liquid of 5mg/mL by 1mL concentration, is added in 50mL absolute ethyl alcohols, magnetic force is stirred
Mix cause to be uniformly dispersed, obtain mixed liquor；
2) by 1.670mlL concentration 30mg/mL liquor potassic permanganates, it is added dropwise in above-mentioned mixed liquor, keeps at room temperature
Magnetic agitation 12 hours, respectively with deionized water and absolute ethyl alcohol centrifuge washing 3 times, 60 DEG C of 12 hours of vacuum drying, obtains
Brown ceramic powder；
3) by above-mentioned brown ceramic powder, it is placed in tube furnace, under an argon atmosphere, with 10 DEG C of programming rates per minute,
2h is calcined at 400 DEG C, room temperature is naturally cooled to, nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid composite nano materials are obtained.
Fig. 1 is that nano silver wire is schemed with the SEM of mangano-manganic oxide one-dimensional nucleocapsid composite nano materials, shows that product keeps in figure
The one-dimentional structure of nano silver wire, and a diameter of 100nm, length are not waited and are for up to some tens of pm.
Fig. 2 is the XRD of the composite nano materials, and all diffraction maximums can all be attributed to mangano-manganic oxide and silver after calcining.
Fig. 3 is the TEM figures of the composite nano materials, as can be seen from the figure forms obvious core shell structure.
The charging and discharging curve of Fig. 4 composite nano materials under different current densities, shows in figure：Chemical property is excellent
It is different, can reach 190F/g in 1A/g current densities discharge capacity.
Fig. 5 is circulation of the nano silver wire with mangano-manganic oxide one-dimensional nucleocapsid composite nano materials in the case where current density is 1A/g
Life diagram, shows in figure：Capacity is maintained at more than 80% after circulating 3000 weeks.
Fig. 6 is the high rate performance figure of the composite nano materials, is shown in figure：The electric capacity of the material under different current densities
Change is little, shows that the material has excellent high rate performance.
Embodiment 2：
A kind of preparation method of nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid nano composite material, step is as follows：
1) it is the nano silver wire-alcohol dispersion liquid of 5mg/mL by 1mL concentration, is added in 50mL absolute ethyl alcohols, magnetic force is stirred
Mix cause to be uniformly dispersed, obtain mixed liquor；
2) by 1.670mL concentration 30mg/mL liquor potassic permanganates, it is added dropwise in above-mentioned mixed liquor, keeps at room temperature
Magnetic agitation 12 hours, respectively with deionized water and absolute ethyl alcohol centrifuge washing 3 times, 60 DEG C of 12 hours of vacuum drying, obtains
Brown ceramic powder；
3) by above-mentioned brown ceramic powder, it is placed in tube furnace, under an argon atmosphere, with 10 DEG C of programming rates per minute,
2h is calcined at 300 DEG C, room temperature is naturally cooled to, nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid composite nano materials are obtained.
The nano silver wire of preparation is similar with embodiment 1 with mangano-manganic oxide one-dimensional nucleocapsid composite nano materials.
Embodiment 3：
A kind of preparation method of nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid nano composite material, step is as follows：
1) it is the nano silver wire-alcohol dispersion liquid of 5mg/mL by 1mL concentration, is added in 50mL absolute ethyl alcohols, magnetic force is stirred
Mix cause to be uniformly dispersed, obtain mixed liquor；
2) by 1.670mL concentration 30mg/mlL liquor potassic permanganates, it is added dropwise in above-mentioned mixed liquor, keeps at room temperature
Magnetic agitation 12 hours, respectively with deionized water and absolute ethyl alcohol centrifuge washing 3 times, 60 DEG C of 12 hours of vacuum drying, obtains
Brown ceramic powder；
3) by above-mentioned brown ceramic powder, it is placed in tube furnace, under an argon atmosphere, with 10 DEG C of programming rates per minute,
2h is calcined at 200 DEG C, room temperature is naturally cooled to, nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid composite nano materials are obtained.
The nano silver wire of preparation is similar with embodiment 1 with mangano-manganic oxide one-dimensional nucleocapsid composite nano materials.
Claims (1)
1. the preparation method of a kind of nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid nano composite material, it is characterised in that step is such as
Under：
1) by concentration for 5mg/mL nano silver wires-alcohol dispersion liquid is added in absolute ethyl alcohol, nano silver wire-alcohol dispersion liquid with
The volume ratio of absolute ethyl alcohol is 1：50, magnetic agitation causes to be uniformly dispersed, and obtains mixed liquor；
2) by concentration for 30mg/mL liquor potassic permanganates are added dropwise in above-mentioned mixed liquor, liquor potassic permanganate and mixed liquor
Volume ratio be 1.67：51, magnetic agitation is kept 12 hours at room temperature, respectively with deionized water and absolute ethyl alcohol centrifuge washing 3
Secondary, 60 DEG C of 12 hours of vacuum drying, obtain brown ceramic powder；
3) by above-mentioned brown ceramic powder, it is placed in tube furnace, under an argon atmosphere, with 10 DEG C of programming rates per minute, in 200-
2h is calcined at 400 DEG C, room temperature is naturally cooled to, nano silver wire and mangano-manganic oxide one-dimensional nucleocapsid composite nano materials are obtained.
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| CN201611142472.6A CN106710894A (en) | 2016-12-13 | 2016-12-13 | Manufacturing method of silver nanowire and manganous-manganic oxide one-dimensional core-shell composite nanomaterial |
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|---|---|---|---|
| CN201611142472.6A CN106710894A (en) | 2016-12-13 | 2016-12-13 | Manufacturing method of silver nanowire and manganous-manganic oxide one-dimensional core-shell composite nanomaterial |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326454A (en) * | 2018-11-02 | 2019-02-12 | 武汉理工大学 | Metal nanometer line array electrode material for super capacitor of intersection and preparation method thereof |
| CN113529107A (en) * | 2021-08-19 | 2021-10-22 | 西安热工研究院有限公司 | Silver nanowire and cobalt-nickel alloy composite oxygen evolution catalytic material and preparation method thereof |
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| CN102502849A (en) * | 2011-10-31 | 2012-06-20 | 上海理工大学 | Method for preparing Mn3O4 and composite nano material thereof by using manganous salt as raw material |
| KR20130055920A (en) * | 2011-11-21 | 2013-05-29 | 한국과학기술원 | Aglomerated electroactive materials including ag nanowire network and method for manufacturing the same |
| CN103752815A (en) * | 2013-12-15 | 2014-04-30 | 北京工业大学 | Preparation method and application for one-dimensional silver/manganese oxide composite nano-materials with different morphologies |
| CN104211123A (en) * | 2014-09-16 | 2014-12-17 | 吉林大学 | Preparation method for manganese oxide nano rods |
| CN106001552A (en) * | 2016-07-07 | 2016-10-12 | 中国科学院合肥物质科学研究院 | Preparation method of silver @ metallic oxide composite nanometer line |
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- 2016-12-13 CN CN201611142472.6A patent/CN106710894A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502849A (en) * | 2011-10-31 | 2012-06-20 | 上海理工大学 | Method for preparing Mn3O4 and composite nano material thereof by using manganous salt as raw material |
| KR20130055920A (en) * | 2011-11-21 | 2013-05-29 | 한국과학기술원 | Aglomerated electroactive materials including ag nanowire network and method for manufacturing the same |
| CN103752815A (en) * | 2013-12-15 | 2014-04-30 | 北京工业大学 | Preparation method and application for one-dimensional silver/manganese oxide composite nano-materials with different morphologies |
| CN104211123A (en) * | 2014-09-16 | 2014-12-17 | 吉林大学 | Preparation method for manganese oxide nano rods |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326454A (en) * | 2018-11-02 | 2019-02-12 | 武汉理工大学 | Metal nanometer line array electrode material for super capacitor of intersection and preparation method thereof |
| CN113529107A (en) * | 2021-08-19 | 2021-10-22 | 西安热工研究院有限公司 | Silver nanowire and cobalt-nickel alloy composite oxygen evolution catalytic material and preparation method thereof |
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