CN106920695B - Copper-cladding Aluminum Bar iron carbide powder powder material and its application - Google Patents
Copper-cladding Aluminum Bar iron carbide powder powder material and its application Download PDFInfo
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- CN106920695B CN106920695B CN201611267786.9A CN201611267786A CN106920695B CN 106920695 B CN106920695 B CN 106920695B CN 201611267786 A CN201611267786 A CN 201611267786A CN 106920695 B CN106920695 B CN 106920695B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/542—Dye sensitized solar cells
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Abstract
The present invention provides a kind of Copper-cladding Aluminum Bar iron carbide powder powder material, it is prepared by following methods：It is stirred for solution after the alcoholic solution that iron chloride and copper chloride mix is mixed with 2 methylimidazoles, the yellowish-brown powder that oil bath obtains is heat-treated in quartz tube furnace after drying；It is milled to obtain the Copper-cladding Aluminum Bar iron carbide powder powder material later.Copper-cladding Aluminum Bar cementite prepared by the present invention is applied to dye-sensitized solar cells to electrode to electrode material, copper is doped into cementite, noble metal platinum can be replaced to be used as to electrode material, and the raw material for preparing material is cheap, material conductivity and catalytic performance are good.
Description
Technical field
The present invention relates to technical field of solar batteries, and in particular to a kind of Copper-cladding Aluminum Bar iron carbide powder powder material and its answers
With.
Background technology
With the rapid development of society, the mankind further increase the demand of the energy.Traditional energy, such as oil, naturally
A large amount of uses of gas, coal, the problems such as not only polluted global environment, also result in global warming and greenhouse effects.The sun
As a kind of regenerative resource lot of advantages can have been compared with other energy：It will not cause ecological environmental pollution；Take no
It is most, nexhaustible；Cost is relatively low, power is huge etc..And solar cell be develop and use solar energy most efficient method it
One.Current commercialized silicon solar cell, since the purity requirement to material is higher, complex process is expensive, limit
Its universal and extensive use is made.And the dye-sensitized solar cells (DSSC) that the 1990s grows up is with honest and clean
Valence, efficiently, manufacture craft the advantages of requiring low, long lifespan, rapidly become the focus and emphasis of the research of world today scientist.
The problem of being beneficial to alleviate current energy crisis and environmental pollution to its research has very important reality and long-range meaning
Justice.1991, the Michael of SwitzerlandProfessor publishes thesis on Nature, it was recently reported that a kind of completely new solar-electricity
Pond-dye-sensitized solar cells, with nanoporous TiO2For semi-conducting electrode, Ru complex compounds select I as sensitizing dyestuff-/
I-3 redox electrolytes have made a kind of novel TiO2Nanocrystalline DSSC, in AM1.5,100mWcm-2Irradiation condition
Under, obtain 7.1% energy conversion efficiency.The energy conversion efficiency of the battery is increased to 10%-11% again within 1997, it is short
Road electric current reaches 18mAcm-2, open-circuit voltage reaches 720mV2.The cost of DSSC is only the 1/5-1/10 of silicon solar cell,
Wherein, it is the important component of DSSC to electrode, laboratory is most of at present or is used as to electrode using Pt, but expensive
Pt increase the cost of DSSC, the limited Pt resource constraints large-scale production and use of DSSC, therefore, using low cost
Material substitution noble metal platinum be current dye-sensitized solar cells developing direction.
Invention content
In order to solve the above-mentioned technical problem the present invention provides a kind of Copper-cladding Aluminum Bar iron carbide powder powder material and its application.
To achieve the goals above, the technical scheme is that：
Copper-cladding Aluminum Bar iron carbide powder powder material, it is prepared by following methods：The alcohol that iron chloride and copper chloride are mixed is molten
Liquid is stirred for solution after being mixed with 2-methylimidazole, the yellowish-brown powder that oil bath obtains is after drying in quartz tube furnace
Heat treatment；It is milled to obtain the Copper-cladding Aluminum Bar iron carbide powder powder material later.
In said program, the molar ratio of the total mole number and 2-methylimidazole of the iron chloride and copper chloride is 1:1.
In said program, it is 0.25-1% that the copper chloride, which accounts for iron chloride and the percentage of copper chloride total mole number,.
In said program, the oil bath temperature is 50 DEG C -80 DEG C.
In said program, in the heat treatment step：Heat treatment temperature be 700 DEG C -1000 DEG C, heating rate be 140 DEG C/
H-200 DEG C/h, soaking time 30min-1h, throughput 20-50ccm.
In said program, the heat-treating atmosphere is high-purity N2。
The Copper-cladding Aluminum Bar iron carbide powder powder material is in dye-sensitized solar cells to the application in electrode material.
Beneficial effects of the present invention are：Copper-cladding Aluminum Bar cementite prepared by the present invention is applied to dye sensitization too to electrode material
Positive energy counter electrode of battery, copper is doped into cementite, noble metal platinum can be replaced to be used as to electrode material, and prepare material
Raw material is cheap, material conductivity and catalytic performance are good.
Description of the drawings
Fig. 1 is CV curve of the platinum to electrode in electrolyte solution.
Fig. 2 is cementite powder that the molar percentage in embodiment 1 is 0.25% copper doped in electrolyte solution
CV curves.
Fig. 3 is the CV of cementite powder that the molar percentage in embodiment 2 is 0.5% copper doped in electrolyte solution
Curve.
Fig. 4 is cementite powder that the molar percentage in embodiment 3 is 0.75% copper doped in electrolyte solution
CV curves.
Fig. 5 is that the CV of cementite powder that the molar percentage in embodiment 4 is 1% copper doped in electrolyte solution is bent
Line.
Fig. 6 is the impedance diagram of embodiment 1,2,3,4 and pure cementite and platinum to electrode.
Fig. 7 is the XRD diagram of embodiment 1,2,3,4 and pure cementite.
In Fig. 1 to Fig. 6, electrolyte solution：With the I of LiI, 1mM of 10mM2, 0.1M LiClO4The acetonitrile solution being made into.
Specific implementation mode
It is further below in conjunction with specific embodiment to make present disclosure, technical solution and advantage be more clearly understood
Illustrate the present invention, these embodiments are merely to illustrate the present invention, and the present invention is not limited only to following embodiment.
Embodiment 1
1) copper and iron mixture is synthesized：It is molten by alcohol is made into the copper chloride of total amount 0.01mol and iron chloride addition 37mL ethyl alcohol
Liquid, wherein molar ratio shared by copper are 0.25%, and the 2-methylimidazole of 0.8g is added later and stirs to being completely dissolved, so
It is evaporated completely to liquid in 80 DEG C of stirrings in oil bath pan afterwards, obtains yellowish-brown mixture.
2) it is heat-treated：Mixture prepared by step 1) is thermally treated resulting in Copper-cladding Aluminum Bar in quartz tube furnace under inert atmosphere
Be carbonized iron material, and wherein heat treatment temperature is 900 DEG C, and heating rate is 180 DEG C/h, soaking time 30min, and throughput is
20-50ccm.Atmosphere is high-purity N2。
Electro-chemical test is carried out to material obtained using CHI660A electrochemical workstations, potential section is that -0.8V is arrived
0.8V, sweep speed 20mV/s.It will be seen from figure 1 that platinum is apparent to the redox peaks of electrode, electro catalytic activity is good.From
Fig. 2 can be seen that the cementite powder of 0.25% copper doped of the present embodiment compared with platinum, and redox peaks deviate to the right, oxygen
Change there are one peaks, Δ EpLarger, peak area is larger.
Embodiment 2
1) copper and iron mixture is synthesized：It is molten by alcohol is made into the copper chloride of total amount 0.01mol and iron chloride addition 37mL ethyl alcohol
Liquid, wherein molar ratio shared by copper are 0.5%, and the 2-methylimidazole of 0.8g is added later and stirs to being completely dissolved, so
It is evaporated completely to liquid in 80 DEG C of stirrings in oil bath pan afterwards, obtains yellowish-brown mixture.
2) it is heat-treated：Mixture prepared by step 1) is thermally treated resulting in Copper-cladding Aluminum Bar in quartz tube furnace under inert atmosphere
Be carbonized iron material, and wherein heat treatment temperature is 900 DEG C, and heating rate is 180 DEG C/h, soaking time 30min, and throughput is
20-50ccm.Atmosphere is high-purity N2。
Electro-chemical test is carried out to material obtained using CHI660A electrochemical workstations, potential section is that -0.8V is arrived
0.8V, sweep speed 20mV/s.From figure 3, it can be seen that the cementite powder of 0.5% copper doped of the present embodiment and platinum phase
Than redox peaks deviate to the right, and there are one oxidation peaks, Δ EpLarger, peak area is smaller.
Embodiment 3
1) copper and iron mixture is synthesized：It is molten by alcohol is made into the copper chloride of total amount 0.01mol and iron chloride addition 37mL ethyl alcohol
Liquid, wherein molar ratio shared by copper are 0.75%, and the 2-methylimidazole of 0.8g is added later and stirs to being completely dissolved, so
It is evaporated completely to liquid in 80 DEG C of stirrings in oil bath pan afterwards, obtains yellowish-brown mixture.
2) it is heat-treated：Mixture prepared by step 1) is thermally treated resulting in Copper-cladding Aluminum Bar in quartz tube furnace under inert atmosphere
Be carbonized iron material, and wherein heat treatment temperature is 900 DEG C, and heating rate is 180 DEG C/h, soaking time 30min, and throughput is
20-50ccm.Atmosphere is high-purity N2。
Electro-chemical test is carried out to material obtained using CHI660A electrochemical workstations, potential section is that -0.8V is arrived
0.8V, sweep speed 20mV/s.From fig. 4, it can be seen that the cementite powder of 0.75% copper doped of the present embodiment and platinum phase
Than peak area is smaller, and redox peaks deviate to the right, and there are one oxidation peaks, and the peak current density of oxidation peak and reduction peak is equal
It is larger.
Embodiment 4
1) copper and iron mixture is synthesized：It is molten by alcohol is made into the copper chloride of total amount 0.01mol and iron chloride addition 37mL ethyl alcohol
Liquid, wherein molar ratio shared by copper are 1%, and the 2-methylimidazole of 0.8g is added later and stirs to being completely dissolved, then
It is evaporated completely to liquid in 80 DEG C of stirrings in oil bath pan, obtains yellowish-brown mixture.
2) it is heat-treated：Mixture prepared by step 1) is thermally treated resulting in Copper-cladding Aluminum Bar in quartz tube furnace under inert atmosphere
Be carbonized iron material, and wherein heat treatment temperature is 900 DEG C, and heating rate is 180 DEG C/h, soaking time 30min, and throughput is
20-50ccm.Atmosphere is high-purity N2。
Electro-chemical test is carried out to material obtained using CHI660A electrochemical workstations, potential section is that -0.8V is arrived
0.8V, sweep speed 20mV/s.From fig. 5, it can be seen that the cementite powder of 1% copper doped of the present embodiment is compared with platinum,
Redox peaks deviate to the right, and the peak current density of reduction peak is relatively low, and there are one oxidation peaks, Δ EpIt is larger.In Fig. 6, six kinds
It is all a semicircle that material is corresponding, spectrogram medium-high frequency area, intermediate frequency zone, low frequency range semicircle correspond to the electric charge transfer of electronics respectively
The adsorption process and diffusion process of process and electrolyte.In Fig. 7, in the XRD diagram of five kinds of materials is all mainly cementite
Diffraction maximum, the miscellaneous peak of several carbon simple substances disappears after copper doped.
Claims (7)
1. Copper-cladding Aluminum Bar iron carbide powder powder material, which is characterized in that it is prepared by following methods：Iron chloride and copper chloride are mixed
The alcoholic solution of conjunction is stirred for solution after being mixed with 2-methylimidazole, the yellowish-brown powder that oil bath obtains is after drying in quartz
It is heat-treated in tube furnace；It is milled to obtain the Copper-cladding Aluminum Bar iron carbide powder powder material later.
2. Copper-cladding Aluminum Bar iron carbide powder powder material as described in claim 1, which is characterized in that the iron chloride and copper chloride it is total
The molar ratio of molal quantity and 2-methylimidazole is 1:1.
3. Copper-cladding Aluminum Bar iron carbide powder powder material as described in claim 1, which is characterized in that the copper chloride accounts for iron chloride and chlorine
The percentage for changing copper total mole number is 0.25-1%.
4. Copper-cladding Aluminum Bar iron carbide powder powder material as described in claim 1, which is characterized in that the oil bath temperature is 50 DEG C -80
℃。
5. Copper-cladding Aluminum Bar iron carbide powder powder material as described in claim 1, which is characterized in that in the heat treatment step：At heat
It is 700 DEG C -1000 DEG C to manage temperature, and heating rate is 140 DEG C/h-200 DEG C/h, soaking time 30min-1h, throughput 20-
50ccm。
6. Copper-cladding Aluminum Bar iron carbide powder powder material as claimed in claim 5, which is characterized in that the heat-treating atmosphere is high-purity N2。
7. if claim 1 to 6 any one of them Copper-cladding Aluminum Bar iron carbide powder powder material is in pair of dye-sensitized solar cells
Application in electrode material.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6743947B1 (en) * | 1999-05-10 | 2004-06-01 | The United States Of America As Represented By The Secretary Of The Army | Electrochemically stable onium salts and electrolytes containing such for electrochemical capacitors |
| CN203377110U (en) * | 2013-07-18 | 2014-01-01 | 西安建筑科技大学 | A dye-sensitized solar cell composite-structure counter electrode |
| CN104232955A (en) * | 2014-09-24 | 2014-12-24 | 西安理工大学 | Preparation method of Cu-Cr-FeC composite material |
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2016
- 2016-12-31 CN CN201611267786.9A patent/CN106920695B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6743947B1 (en) * | 1999-05-10 | 2004-06-01 | The United States Of America As Represented By The Secretary Of The Army | Electrochemically stable onium salts and electrolytes containing such for electrochemical capacitors |
| CN203377110U (en) * | 2013-07-18 | 2014-01-01 | 西安建筑科技大学 | A dye-sensitized solar cell composite-structure counter electrode |
| CN104232955A (en) * | 2014-09-24 | 2014-12-24 | 西安理工大学 | Preparation method of Cu-Cr-FeC composite material |
Non-Patent Citations (2)
| Title |
|---|
| Nitrogen-doped carbon and iron carbide nanocomposites as cost-effective counter electrodes of dye-sensitized solar cells;Hongxia Xu,et al;《Journal of Materials Chemistry A》;20140108;第2卷;全文 * |
| 染料敏化太阳能电池过渡金属化合物对电极制备方法研究进展;张陈乐;《无机材料学报》;20160229;第31卷(第2期);全文 * |
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