CN107093529B - A method of transition metal oxide/carbon composite is prepared using solar energy - Google Patents
A method of transition metal oxide/carbon composite is prepared using solar energy Download PDFInfo
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- CN107093529B CN107093529B CN201710316862.9A CN201710316862A CN107093529B CN 107093529 B CN107093529 B CN 107093529B CN 201710316862 A CN201710316862 A CN 201710316862A CN 107093529 B CN107093529 B CN 107093529B
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- transition metal
- carbon composite
- metal oxide
- biomass
- carbon
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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
Transition metal oxide/carbon composite method is prepared using solar energy the invention discloses a kind of.Carrier and source metal are used as using different transition metal matrixes (piece, net or foam), using starch, glucose or sucrose etc. biomass water solution as carbon source, then the metallic matrix for coating biomass film is placed in the focal point of focusing sunlight beam, temperature and time is controlled, prepares transition metal oxide/carbon composite in metal base surface.The preparation method is simple and convenient, is not necessarily to large-scale expensive equipment, raw material cost is low, different synthesis scale easy to accomplish.
Description
Technical field
Transition metal oxide/carbon composite method is prepared using solar energy the present invention relates to a kind of, in particular to
A method of preparing transition metal oxide/carbon composite on transition metal matrix.
Background technique
With the continuous development of social economy and science and technology, attention further and new energy for environmental protection extend
Demand make more and more scholars by sight turn to novel green energy storage device.In addition renewable energy includes the sun
All there is the shortcomings that discontinuity in energy, wind energy, tide energy etc., it is therefore desirable to which high-energy density and high power are close among practical application
The energy storage device of degree, high circulation stability.Supercapacitor power density with higher, fast charging and discharging and excellent circulation
The features such as stability, therefore become most potential one of energy storage device.
The performance of supercapacitor and the superiority and inferiority of electrode material are directly related.Electrode material mainly includes carbon material (activity
Charcoal, mesoporous carbon, carbon nanotube etc.), transition metal oxide or hydroxide (RuO2、MnO2、NiO2、Ni(OH)2Deng), it is conductive
Polymer etc..Wherein, carbon-based material large specific surface area, good cycling stability and cycle life are high；Transition metal oxide or hydrogen
Oxide is fake capacitance Storage mechanism, and specific capacitance is big, and their composite material has both the advantage of two kinds of materials, therefore prepares
Transition metal oxide/carbon composite becomes important development trend.
Currently, mainly prepared using traditional solvent-thermal method and high temperature furnace heat-treating methods transition metal oxide/
Carbon composite sample, often preparation step is cumbersome, and the material of preparation is mainly powder, while needing very big energy consumption, therefore
The preparation method for finding a kind of super capacitor material for not consuming traditional thermal energy and electric energy become promote this kind of composite material into
The key of one step development.
Summary of the invention
In order to overcome the shortcomings of the above method, the present invention uses a kind of simple preparation method, with transition metal matrix
(piece, net or foam) is used as source metal and carrier, and the biomass such as starch, dextrose and saccharose utilize the focusing sun as carbon source
Beam irradiation is coated with the metallic matrix of biomass, while realizing the carbonization of biomass and the oxidation of metal and these products
In the load of metal base surface.Preparation method is simple and convenient, and raw material cost is low, energy consumption is small, therefore is suitable for different scales
The preparation of transition metal oxide/carbon composite.
Technical solution of the invention is as follows:
Using transition metal matrix as source metal and carrier, the biomass such as starch, glucose or sucrose are utilized as carbon source
The oxidation of the irradiation of focusing sunlight the beam synchronous carbonization for realizing biomass and metal, so that it is multiple to synthesize transition metal oxide/carbon
Condensation material specifically comprises the following steps:
(1) biomass solution is configured；
(2) biomass solution is coated to transition metal matrix surface, be then dried；
(3) the transition metal matrix for being coated with biomass is irradiated using the sun light beam of focusing, wherein focus too
The temperature of solar beam irradiated site is stablized within the scope of 350 DEG C -500 DEG C, and irradiation time is 0.1-5 minutes；
(4) transition metal oxide/carbon composite by irradiation preparation cleans in deionized water, dry, is obtained
Cross metal oxide/carbon composite.
Further, the biomass is one of starch, glucose, sucrose, fructose, maltose.
Further, the transition metal matrix is one of piece, net or foam metal.
Further, the transition metal matrix is one of nickel, copper, iron, titanium, manganese, cobalt, zinc and molybdenum.
The present invention using transition metal matrix (piece, net, foam) as prepare nickel oxide/carbon composite carrier and
Source metal, biomass successfully synthesize transition metal oxide/carbon composite as carbon source.The experimental method is simple and easy to control,
Low energy consumption, large-scale production easy to accomplish.
Detailed description of the invention
Fig. 1 is transition metal oxide/carbon composite scanning electron microscope (SEM) figure prepared in embodiment 1
Piece.
Specific embodiment
Below with reference to embodiment, the present invention will be further described, but the scope of protection of the present invention is not limited thereto.
Embodiment 1
2g glucose is weighed, is added in the deionized water of 20 mL, ultrasonic disperse forms uniform solution, ultrasound 5 minutes.
Nickel foam is cut into the small pieces of 1cm × 2cm, respectively with acetone, ethyl alcohol, deionized water ultrasonic cleaning, is then immersed in system
In the solution obtained, a small amount of solution is resided in into foam nickel surface using czochralski method.Utilize solar cooker focusing sunlight Shu Jiare sample
Product, heating temperature are 450 DEG C ± 10 DEG C, and heating time is 1 minute.Nickel oxide/carbon composite after reaction is being gone
It is cleaned in ionized water, it is dry, it saves stand-by.
Embodiment 2
2g glucose is weighed, is added in the deionized water of 20 mL, ultrasonic disperse forms uniform solution, ultrasound 5 minutes.
Foam copper is cut into the small pieces of 1cm × 2cm, respectively with acetone, ethyl alcohol, deionized water ultrasonic cleaning, is then immersed in system
In the solution obtained, a small amount of solution is resided in into foam copper surface using czochralski method.Utilize solar cooker focusing sunlight Shu Jiare sample
Product, heating temperature are 450 DEG C ± 10 DEG C, and heating time is 3 minutes.Copper oxide/carbon composite after reaction is being gone
It is cleaned in ionized water, it is dry, it saves stand-by.
Embodiment 3
2g sucrose is weighed, is added in the deionized water of 20 mL, ultrasonic disperse forms uniform solution, ultrasound 5 minutes.It will
Iron plate is cut into the small pieces of 1cm × 2cm, with being cleaned by ultrasonic respectively with acetone, ethyl alcohol, deionized water behind sand paper polishing surface, so
After be dipped in solution obtained, a small amount of solution is resided in into iron plate surface using czochralski method.The sun is focused using solar cooker
Light beam heats sample, and heating temperature is 450 DEG C ± 10 DEG C, and heating time is 1 minute.Iron oxide/carbon after reaction is multiple
Condensation material cleans in deionized water, dry, saves stand-by.
Embodiment 4
2g sucrose is weighed, is added in the deionized water of 20 mL, ultrasonic disperse forms uniform solution, ultrasound 5 minutes.It will
Titanium sheet is cut into the small pieces of 1cm × 2cm, with being cleaned by ultrasonic respectively with acetone, ethyl alcohol, deionized water behind sand paper polishing surface, so
After be dipped in solution obtained, a small amount of solution is resided in into titanium plate surface using czochralski method.The sun is focused using solar cooker
Light beam heats sample, and heating temperature is 450 DEG C ± 10 DEG C, and heating time is 1 minute.Titanium oxide/carbon after reaction is multiple
Condensation material cleans in deionized water, dry, saves stand-by.
Embodiment 5
2g fructose is weighed, is added in the deionized water of 20 mL, ultrasonic disperse forms uniform solution, ultrasound 5 minutes.It will
Manganese piece is cut into the small pieces of 1cm × 2cm, with being cleaned by ultrasonic respectively with acetone, ethyl alcohol, deionized water behind sand paper polishing surface, then
It is dipped in solution obtained, a small amount of solution is resided in into violent piece surface using czochralski method.Utilize solar cooker focusing sunlight
Shu Jiare sample, heating temperature are 400 DEG C ± 10 DEG C, and heating time is 2 minutes.Manganese oxide/carbon after reaction is compound
Material cleans in deionized water, dry, saves stand-by.
Embodiment 6
2g fructose is weighed, is added in the deionized water of 20 mL, ultrasonic disperse forms uniform solution, ultrasound 5 minutes.It will
Cobalt piece is cut into the small pieces of 1cm × 2cm, with being cleaned by ultrasonic respectively with acetone, ethyl alcohol, deionized water behind sand paper polishing surface, so
After be dipped in solution obtained, a small amount of solution is resided in into cobalt piece surface using czochralski method.The sun is focused using solar cooker
Light beam heats sample, and heating temperature is 400 DEG C ± 10 DEG C, and heating time is 2 minutes.Cobalt oxide/carbon after reaction is multiple
Condensation material cleans in deionized water, dry, saves stand-by.
Embodiment 7
2g starch is weighed, is added in the deionized water of 20 mL, ultrasonic disperse forms suspension, ultrasound 5 minutes.By zinc
Piece is cut into the small pieces of 1cm × 2cm, with being cleaned by ultrasonic respectively with acetone, ethyl alcohol, deionized water behind sand paper polishing surface, then
It is dipped in solution obtained, a small amount of solution is resided in into zinc metal sheet surface using czochralski method.Utilize solar cooker focusing sunlight
Shu Jiare sample, heating temperature are 360 DEG C ± 10 DEG C, and heating time is 5 minutes.Zinc oxide/carbon after reaction is compound
Material cleans in deionized water, dry, saves stand-by.
Embodiment 8
2g starch is weighed, is added in the deionized water of 20 mL, ultrasonic disperse forms suspension, ultrasound 5 minutes.By molybdenum
Net is cut into the small pieces of 1cm × 2cm, respectively with acetone, ethyl alcohol, deionized water ultrasonic cleaning, is then immersed in obtained molten
In liquid, a small amount of solution is resided in into molybdenum net surface using czochralski method.Utilize solar cooker focusing sunlight Shu Jiare sample, heating temperature
Degree is 490 DEG C ± 10 DEG C, and heating time is 0.5 minute.In deionized water by molybdenum oxide/carbon composite after reaction
Cleaning, it is dry, it saves stand-by.
Claims (1)
1. a kind of prepare transition metal oxide/carbon composite method using solar energy, it is characterised in that with transition metal
Matrix irradiates the synchronous carbonization for realizing biomass as carbon source, using focusing sunlight beam as source metal and carrier, biomass
With the oxidation of metal, transition metal oxide/carbon composite is prepared, is specifically comprised the following steps:
(1) biomass solution is configured, biomass is one of starch, glucose, sucrose, fructose, maltose；
(2) solution in step (1) is coated to transition metal matrix surface, be then dried, transition metal matrix is
One of nickel, copper, iron, titanium, manganese, cobalt, zinc and molybdenum, transition metal matrix are one of piece, net or foam metal；
(3) the transition metal matrix for being coated with biomass in step (2) is irradiated using the sun light beam focused,
In, the temperature of focusing sunlight beam irradiated site is stablized within the scope of 350 DEG C -500 DEG C, and irradiation time is 0.1-5 minutes；
(4) transition metal oxide/carbon composite after irradiation in step (3) is cleaned in deionized water, it is dry, it obtains
To transition metal oxide/carbon composite.
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| CN107093529B true CN107093529B (en) | 2019-04-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1913200A (en) * | 2006-08-22 | 2007-02-14 | 深圳市贝特瑞电子材料有限公司 | Silicon carbone compound negative polar material of lithium ion battery and its preparation method |
| CN203432097U (en) * | 2013-08-06 | 2014-02-12 | 李宪国 | Solar miniature carborundum production device |
| CN106531476A (en) * | 2016-12-29 | 2017-03-22 | 湖北文理学院 | Preparation method of metal oxide/ carbon composite material |
| CN107166750A (en) * | 2017-05-09 | 2017-09-15 | 华北电力大学 | A kind of two grades of heating volume formula solar air receivers |
| CN107623114A (en) * | 2017-09-18 | 2018-01-23 | 深圳大学 | A kind of negative material based on transition metal carbide and preparation method thereof |
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2017
- 2017-05-08 CN CN201710316862.9A patent/CN107093529B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913200A (en) * | 2006-08-22 | 2007-02-14 | 深圳市贝特瑞电子材料有限公司 | Silicon carbone compound negative polar material of lithium ion battery and its preparation method |
| CN203432097U (en) * | 2013-08-06 | 2014-02-12 | 李宪国 | Solar miniature carborundum production device |
| CN106531476A (en) * | 2016-12-29 | 2017-03-22 | 湖北文理学院 | Preparation method of metal oxide/ carbon composite material |
| CN107166750A (en) * | 2017-05-09 | 2017-09-15 | 华北电力大学 | A kind of two grades of heating volume formula solar air receivers |
| CN107623114A (en) * | 2017-09-18 | 2018-01-23 | 深圳大学 | A kind of negative material based on transition metal carbide and preparation method thereof |
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