CN106920695A - 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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- CN106920695A CN106920695A CN201611267786.9A CN201611267786A CN106920695A CN 106920695 A CN106920695 A CN 106920695A CN 201611267786 A CN201611267786 A CN 201611267786A CN 106920695 A CN106920695 A CN 106920695A
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- copper
- aluminum bar
- cladding aluminum
- powder
- iron carbide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2022—Light-sensitive devices characterized by he counter electrode
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/542—Dye sensitized solar cells
Abstract
The present invention provides a kind of Copper-cladding Aluminum Bar iron carbide powder powder material, and it is prepared from by following methods：Solution is stirred for after the alcoholic solution that iron chloride and copper chloride mix is mixed with 2 methylimidazoles, the yellowish-brown powder that oil bath is obtained is heat-treated in quartz tube furnace after drying；Carry out milling afterwards and obtain the Copper-cladding Aluminum Bar iron carbide powder powder material.Copper-cladding Aluminum Bar cementite prepared by the present invention is applied to DSSC to electrode material to electrode, copper is doped into cementite, noble metal platinum can be replaced as to electrode material, and it is good to prepare the cheap raw material of material, material conductivity and catalytic performance.
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 should
With.
Background technology
With developing rapidly for society, the mankind further increase for the demand of the energy.It is traditional energy, such as oil, natural
Gas, a large amount of of coal use, and not only pollute global environment, the problems such as also results in global warming and greenhouse effects.The sun
As a kind of regenerative resource lot of advantages can have been compared with other energy：Ecological environmental pollution is not resulted in；Take no
It is most, nexhaustible；Cost is relatively low, power is huge etc..And solar cell be develop solar energy most efficient method it
One.Current commercialized silicon solar cell, because the purity requirement to material is higher, complex process is costly, limit
Its popularization and extensive use are made.And the DSSC (DSSC) that the nineties in 20th century grows up is with honest and clean
Valency, efficient, low, long lifespan the advantage of manufacture craft requirement, rapidly become the focus and emphasis of the research of world today scientist.
Research to it is beneficial to alleviate the problem of current energy crisis and environmental pollution, with very important real and long-range meaning
Justice., the Michael of Switzerland in 1991Professor publishes thesis on Nature, it was recently reported that a kind of brand-new solar-electricity
Pond-DSSC, with nanoporous TiO2Be semi-conducting electrode, Ru complex compounds as sensitizing dyestuff, from I-/
I-3 redox electrolytes matter, has made a kind of new TiO2Nanocrystalline DSSC, in AM1.5,100mWcm-2Irradiation condition
Under, obtain 7.1% energy conversion efficiency.The energy conversion efficiency of the battery is brought up into 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, be the important component of DSSC to electrode, current laboratory it is most of or using Pt as to electrode, but it is expensive
Pt increased the cost of DSSC, the large-scale production of DSSC of limited Pt resource constraints and use, therefore, using low cost
Material substitution noble metal platinum be current DSSC developing direction.
The content of the invention
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.The material
Compared with Pt,
To achieve these goals, the technical scheme is that：
Copper-cladding Aluminum Bar iron carbide powder powder material, it is prepared from by following methods：The alcohol that iron chloride and copper chloride are mixed is molten
Liquid is stirred for solution after mixing with 2-methylimidazole, the yellowish-brown powder that oil bath is obtained is after drying in quartz tube furnace
Heat treatment；Carry out milling afterwards and obtain the Copper-cladding Aluminum Bar iron carbide powder powder material.
In such scheme, the total mole number of the iron chloride and copper chloride is 1 with the mol ratio of 2-methylimidazole:1.
In such scheme, it is 0.25-1% that the copper chloride accounts for iron chloride and the percentage of copper chloride total mole number.
In such scheme, the oil bath temperature is 50 DEG C -80 DEG C.
In such scheme, 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 is 30min-1h, and throughput is 20-50ccm.
In such scheme, the heat-treating atmosphere is high-purity N2。
Described Copper-cladding Aluminum Bar iron carbide powder powder material is in DSSC 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 to electrode material too
It is positive can counter electrode of battery, copper is doped into cementite, instead of noble metal platinum as to electrode material, and material can be prepared
Raw material is cheap, material conductivity and catalytic performance are good.
Brief description of the drawings
Fig. 1 is CV curve of the platinum to electrode in electrolyte solution.
Fig. 2 is that the molar percentage in embodiment 1 is the cementite powder of 0.25% copper doped in electrolyte solution
CV curves.
Fig. 3 is that the molar percentage in embodiment 2 is CV of the cementite powder of 0.5% copper doped in electrolyte solution
Curve.
Fig. 4 is that the molar percentage in embodiment 3 is the cementite powder of 0.75% copper doped in electrolyte solution
CV curves.
Fig. 5 is that the molar percentage in embodiment 4 is that CV of the cementite powder of 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 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 embodiment
It is further below in conjunction with specific embodiment to make present disclosure, technical scheme and advantage become more apparent
The present invention is illustrated, these embodiments are merely to illustrate the present invention, and the present invention is not limited only to following examples.
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 ethanol
Molar ratio shared by liquid, wherein copper is 0.25%, the 2-methylimidazole of 0.8g is added afterwards and is stirred 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：By step 1) prepare mixture be thermally treated resulting in Copper-cladding Aluminum Bar under inert atmosphere in quartz tube furnace
Carbonization iron material, wherein heat treatment temperature are 900 DEG C, and heating rate is 180 DEG C/h, and soaking time is 30min, and throughput is
20-50ccm.Atmosphere is high-purity N2。
Electro-chemical test is carried out to obtained material using CHI660A electrochemical workstations, potential is interval for -0.8V is arrived
0.8V, sweep speed is 20mV/s.It will be seen from figure 1 that platinum is obvious 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 offset to the right, oxygen
Change peak only one of which, 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 ethanol
Molar ratio shared by liquid, wherein copper is 0.5%, the 2-methylimidazole of 0.8g is added afterwards and is stirred 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：By step 1) prepare mixture be thermally treated resulting in Copper-cladding Aluminum Bar under inert atmosphere in quartz tube furnace
Carbonization iron material, wherein heat treatment temperature are 900 DEG C, and heating rate is 180 DEG C/h, and soaking time is 30min, and throughput is
20-50ccm.Atmosphere is high-purity N2。
Electro-chemical test is carried out to obtained material using CHI660A electrochemical workstations, potential is interval for -0.8V is arrived
0.8V, sweep speed is 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 offset to the right, oxidation peak only one of which, 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 ethanol
Molar ratio shared by liquid, wherein copper is 0.75%, the 2-methylimidazole of 0.8g is added afterwards and is stirred 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：By step 1) prepare mixture be thermally treated resulting in Copper-cladding Aluminum Bar under inert atmosphere in quartz tube furnace
Carbonization iron material, wherein heat treatment temperature are 900 DEG C, and heating rate is 180 DEG C/h, and soaking time is 30min, and throughput is
20-50ccm.Atmosphere is high-purity N2。
Electro-chemical test is carried out to obtained material using CHI660A electrochemical workstations, potential is interval for -0.8V is arrived
0.8V, sweep speed is 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 offset to the right, oxidation peak only one of which, and oxidation peak is equal with the peak current density of reduction peak
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 ethanol
Molar ratio shared by liquid, wherein copper is 1%, the 2-methylimidazole of 0.8g is added afterwards and is stirred 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：By step 1) prepare mixture be thermally treated resulting in Copper-cladding Aluminum Bar under inert atmosphere in quartz tube furnace
Carbonization iron material, wherein heat treatment temperature are 900 DEG C, and heating rate is 180 DEG C/h, and soaking time is 30min, and throughput is
20-50ccm.Atmosphere is high-purity N2。
Electro-chemical test is carried out to obtained material using CHI660A electrochemical workstations, potential is interval for -0.8V is arrived
0.8V, sweep speed is 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 offset to the right, and the peak current density of reduction peak is relatively low, oxidation peak only one of which, Δ EpIt is larger.In Fig. 6, six kinds
It is all a semicircle that material is corresponding, and spectrogram medium-high frequency area, intermediate frequency zone, the semicircle of low frequency range correspond to the electric charge transfer of electronics respectively
The adsorption process and diffusion process of process and electrolyte.In Fig. 7, in five kinds of XRDs of material 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, it is characterised in that it is prepared from by following methods：Iron chloride and copper chloride are mixed
The alcoholic solution of conjunction is stirred for solution after mixing with 2-methylimidazole, the yellowish-brown powder that oil bath is obtained is after drying in quartz
It is heat-treated in tube furnace；Carry out milling afterwards and obtain the Copper-cladding Aluminum Bar iron carbide powder powder material.
2. Copper-cladding Aluminum Bar iron carbide powder powder material as claimed in claim 1, it is characterised in that the iron chloride and copper chloride it is total
Molal quantity is 1 with the mol ratio of 2-methylimidazole:1.
3. Copper-cladding Aluminum Bar iron carbide powder powder material as claimed in claim 1, it is characterised 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 claimed in claim 1, it is characterised in that the oil bath temperature is 50 DEG C -80
℃。
5. Copper-cladding Aluminum Bar iron carbide powder powder material as claimed in claim 1, it is characterised in that in the heat treatment step：At heat
Reason temperature is 700 DEG C -1000 DEG C, and heating rate is 140 DEG C/h-200 DEG C/h, and soaking time is 30min-1h, and throughput is 20-
50ccm。
6. Copper-cladding Aluminum Bar iron carbide powder powder material as claimed in claim 5, it is characterised in that the heat-treating atmosphere is high-purity N2。
7. the Copper-cladding Aluminum Bar iron carbide powder powder material as described in any one of claim 1 to 6 is in the right of DSSC
Application in electrode material.
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| CN201611267786.9A CN106920695B (en) | 2016-12-31 | 2016-12-31 | Copper-cladding Aluminum Bar iron carbide powder powder material and its application |
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| CN201611267786.9A CN106920695B (en) | 2016-12-31 | 2016-12-31 | Copper-cladding Aluminum Bar iron carbide powder powder material and its application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752380A (en) * | 2019-09-10 | 2020-02-04 | 东南大学 | ZIF-8 derived hollow Fe/Cu-N-C type oxygen reduction catalyst and preparation method and application thereof |
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 |
-
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 |
|---|
| HONGXIA XU,ET AL: "Nitrogen-doped carbon and iron carbide nanocomposites as cost-effective counter electrodes of dye-sensitized solar cells", 《JOURNAL OF MATERIALS CHEMISTRY A》 * |
| 张陈乐: "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", 《无机材料学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752380A (en) * | 2019-09-10 | 2020-02-04 | 东南大学 | ZIF-8 derived hollow Fe/Cu-N-C type oxygen reduction catalyst and preparation method and application thereof |
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Effective date of registration: 20181205 Address after: Room 30302, 15-4109 Hongcheng Road, Huaming High-tech Industrial Zone, Dongli District, Tianjin Patentee after: SUZHOU ISTAR AVIATION TECHNOLOGY Co.,Ltd. Address before: 430070 Hubei Province, Wuhan city Hongshan District Luoshi Road No. 122 Patentee before: Wuhan University of Technology |
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Address after: Room 30302, 15-4109 Hongcheng Road, Huaming High-tech Industrial Zone, Dongli District, Tianjin Patentee after: Tianjin istar-space Technology Co.,Ltd. Address before: Room 30302, 15-4109 Hongcheng Road, Huaming High-tech Industrial Zone, Dongli District, Tianjin Patentee before: SUZHOU ISTAR AVIATION TECHNOLOGY Co.,Ltd. |
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