CN102191512B - Method for preparing anode of solid oxide electrolytic cell of microchannel structure - Google Patents
Method for preparing anode of solid oxide electrolytic cell of microchannel structure Download PDFInfo
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- CN102191512B CN102191512B CN2011101037160A CN201110103716A CN102191512B CN 102191512 B CN102191512 B CN 102191512B CN 2011101037160 A CN2011101037160 A CN 2011101037160A CN 201110103716 A CN201110103716 A CN 201110103716A CN 102191512 B CN102191512 B CN 102191512B
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- 239000007787 solid Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 35
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 28
- 239000011651 chromium Substances 0.000 claims abstract description 28
- 238000000151 deposition Methods 0.000 claims abstract description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 238000001291 vacuum drying Methods 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 15
- 235000015895 biscuits Nutrition 0.000 claims description 12
- 229910002651 NO3 Inorganic materials 0.000 claims description 8
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 8
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 8
- 230000008021 deposition Effects 0.000 claims description 8
- 235000015110 jellies Nutrition 0.000 claims description 8
- 239000008274 jelly Substances 0.000 claims description 8
- 229910021645 metal ion Inorganic materials 0.000 claims description 8
- 239000011268 mixed slurry Substances 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000005275 alloying Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 230000008014 freezing Effects 0.000 claims description 4
- 238000007710 freezing Methods 0.000 claims description 4
- 238000009775 high-speed stirring Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 3
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 2
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 2
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 16
- 239000001257 hydrogen Substances 0.000 abstract description 16
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000005868 electrolysis reaction Methods 0.000 abstract description 8
- 230000032798 delamination Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract 1
- 230000008595 infiltration Effects 0.000 abstract 1
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 5
- 229910002080 8 mol% Y2O3 fully stabilized ZrO2 Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002574 poison Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000352262 Potato virus B Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Abstract
The invention belongs to the fields of hydrogen production by high-temperature steam electrolysis and solid oxide electrolytic cells, and particularly relates to a method for preparing an anode of a solid oxide electrolytic cell of a microchannel structure. The method comprises the steps of: preparing anti-chromium anode powder by using a low-temperature self-propagation method, preparing an anode microchannel blank by using a vacuum drying method, uniformly depositing the anti-chromium anode powder inside micropores of the anode microchannel blank by using an infiltration method, and sintering in a high-temperature furnace to prepare the anode of the solid oxide electrolytic cell of the microchannel structure. According to the invention, the problems of anode delamination under high temperature and performance attenuation caused by interface chromium positioning, of the solid oxide electrolytic cell prepared in the prior art are solved, the prepared anode of the solid oxide electrolytic cell has the advantages of high interface bonding degree, good catalytic activity, strong chromium positioning resistance and the like, particularly has excellent hydrogen production performance and operation stability in the high-temperature solid oxide electrolytic cell, is beneficial to promotion of the progress of the practical transition of a technology for producing hydrogen by high-temperature steam electrolysis, and is suitable to the field of large-scale production of hydrogen by the high-temperature steam electrolysis.
Description
Technical field
The invention belongs to high temperature steam electrolytic hydrogen manufacturing and electrolytic tank of solid oxide field, particularly a kind of preparation method of solid oxide electrolytic cell anode of MCA.
Background technology
SOFC (Solid Oxide Fuel Cells; SOFC) be a kind of device that the chemical energy of fuel is directly changed into electric energy; Owing to possess advantages such as efficient, environmental protection and fuel is applied widely, more and more receive people's attention in recent years in fields such as the distributed power generation and the vehicles.Electrolytic tank of solid oxide (Solid Oxide Electrolytic Cells with the preparation of SOFC antikinesis; SOEC); At high temperature the efficient of the hydrogen manufacturing of electrolysis of water steam can be up to 45～59% (ratio of the energy that the energy content that hydrogen production efficiency is defined as obtained hydrogen and hydrogen manufacturing are used); Be considered to one of extensive hydrogen production process of following Hydrogen Energy economy era, become current international energy hot research fields.
Though the SOEC technical development is very fast, expose also on present result of study that attenuation problem needs to be resolved hurrily the electrolytic process.International solid state energy sources conversion alliance (SECA) is rate of decay 0.1%/1000 hour about the stability goal of solid-oxide fuel cell/electrolyzer heap, but 1000 hours rates of decay of American I daho modular laboratory pile operation at present surpass 30%; The rate of decay of Europe HiH2 pile also surpasses 6%/1000 hour, and operation stability has certain distance from practicability.It is the key that influences the electrolyzer performance that anode construction changes the decay that causes with composition: 1) the violent oxygen evolution reaction of anodic can cause anode and electrolyte interface delamination in the electrolytic process; 2) electrolyzer heap high temperature long-time running, the chromium high price compound in the metallic interconnect materials can cause anode to be poisoned and the three phase boundary structure deteriorate, and polarization resistance obviously increases.In a word, this two aspect of interface delamination and chromium poisoning is the major reason that the anode decay was lost efficacy.
Electrolysis is the inverse process of battery, and the mature technology of high temperature solid oxide fuel cell (SOFC) can consider to be used for SOEC at present.But after battery mode converted electrolysis mode into, obvious change had taken place in the Working environment of battery and the direction of transfer of oxygen.Electrolysis is analysed interface delamination and chromium poisoning in the oxygen process and is formed high resistant and meet and cause that anode performance decays fast, can't satisfy the requirement of SOEC operation.Therefore simply sophisticated SOFC anode construction and composition material are applied to SOEC research and have significant limitation, the solid oxide electrolytic cell anode of development of new MCA provides a new way for solution SOEC anode attenuation problem.
Summary of the invention
The objective of the invention is in order to solve the problem described in the background technology; Use interface enhancement techniques development of new MCA anode to solve SOEC anode attenuation problem, a kind of preparation method of solid oxide electrolytic cell anode of MCA is provided, it is characterized in that; Adopt the low-temperature self-propagating method to prepare anti-chromium anode powder; Adopt boulton process to prepare anode microchannel biscuit, adopt method of impregnation will resist chromium anode powder uniform deposition in the biscuit micropore of anode microchannel, again sintering in High Temperature Furnaces Heating Apparatus; Make the solid oxide electrolytic cell anode of MCA, concrete step is following:
1) according to chemical formula La
xM
1-xNi
0.6Fe
0.4O
3, wherein alloying element M is at least a in Ba, Sm, Ce and four kinds of elements of Pr, according to stoichiometric ratio preparation La
3+, Ni
2+, Fe
3+And M
N+Nitrate mixed solution, be EDTA in molar ratio: all metal ions=1: 1, while stirring with the preparation La
3+, Ni
2+, Fe
3+And M
N+Nitrate mixed solution join the NH of EDTA (YD 30)
3H
2In the O solution, be to heat 0.5～4 hour under 60～90 ℃ the condition at water bath heating temperature, make mixing solutions;
2) in the mixing solutions of step 1) gained; Do in molar ratio; EDTA: Hydrocerol A: all metal ions=1: 1.5: 1 adds Hydrocerol A, adds ammoniacal liquor again and transfers pH to 6～7, is heating and high-speed stirring 2 hours under 60～90 ℃ the condition at water bath heating temperature; Be that 120～150 ℃ of oven dry solution are extremely gluey in temperature at last, make jelly;
3) with step 2) jelly that obtains is heated to and the low-temperature self-propagating burning takes place obtains the first powder of anti-chromium anodic, is 800～1100 ℃ of calcinings 4～6 hours in temperature then, and the target powder that obtains is anti-chromium anode powder;
4) with deionized water, 8YSZ (zirconium white of 8% stabilized with yttrium oxide) powder and dispersion agent A: B by volume: 1 makes slurry carries out ball milling; Wherein, A is 60～70, and B is 29～39, obtains adding behind the stable mixed slurry sticker of 0.5～1.5wt%; The mixed slurry that will add sticker again be put into temperature be carry out under-20～-40 ℃ the low temperature freezing; With the sample vacuum-drying that freezes 10～15 hours, solid-state water distilled fully to discharge and obtains anode microchannel biscuit, promptly is the MCA matrix of main body frame with YSZ then.
5) adopt method of impregnation; With the anti-chromium anode powder uniform deposition of step 3) gained in the biscuit micropore of the anode microchannel of step 4) gained; Wherein, The ratio that anti-chromium anode powder accounts for the solid oxide electrolytic cell anode of processing is 40～60wt%, is sintering 4～6 hours in 1300～1500 ℃ the High Temperature Furnaces Heating Apparatus in temperature, makes the solid oxide electrolytic cell anode of MCA.
Said La
xM
1-xNi
0.6Fe
0.4O
3In, x is 0.1～0.9;
Said dispersion agent is ammonium polyacrylate or NH
4PAA;
Said sticker is Z 150PH (PVA) or polyvinyl butyral acetal (PVBs);
Beneficial effect of the present invention does; The solid oxide electrolytic cell anode of the MCA of gained; Have the right height of interface junction, that good, the anti-chromium of catalytic activity poisons ability is strong, especially in the high-temperature solid oxide electrolyzer, shows excellent hydrogen manufacturing performance and operation stability.
Description of drawings
Fig. 1 is La
0.5Ba
0.5Ni
0.6Fe
0.4O
3The XRD diffractogram of powder;
Fig. 2 is La
0.5Ba
0.5Ni
0.6Fe
0.4O
3The SEM photo of powder.
Embodiment
Below in conjunction with embodiment the present invention is further specified.Below be two kinds of adulterated SOEC porous anode embodiment of difference with directed MCA.From main preparation process: the preparation of material solution, become synthetic, the heat treatment process of glue process, presoma powder and lyophilize oriented formation process that embodiment of the present invention is described.
Embodiment 1: preparation alloying element M is the solid oxide electrolytic cell anode of the MCA of Ba.
Preparation process:
1) according to chemical formula La
0.5Ba
0.5Ni
0.6Fe
0.4O
3, according to stoichiometric ratio preparation La
3+, Ni
2+, Fe
3+And Ba
2+Nitrate mixed solution, be EDTA in molar ratio: all metal ions=1: 1, while stirring with the preparation La
3+, Ni
2+, Fe
3+And Ba
2+Nitrate mixed solution join the NH of EDTA (YD 30)
3H
2In the O solution, be heating 4 hours under 80 ℃ the condition at water bath heating temperature, make mixing solutions.
2) in the mixing solutions of step 1) gained; Do in molar ratio; EDTA: Hydrocerol A: all metal ions=1: 1.5: 1 adds Hydrocerol A, adds ammoniacal liquor again and transfers pH to 6, is heating and high-speed stirring 2 hours under 80 ℃ the condition at water bath heating temperature; Be that 120 ℃ of oven dry solution are extremely gluey in temperature at last, make jelly.
3) with step 2) jelly that obtains is heated to and the low-temperature self-propagating burning takes place obtains the first powder of anti-chromium anodic, is 800 ℃ of calcinings 5 hours in temperature then, and the target powder that obtains is anti-chromium anode powder;
Fig. 1 is the anti-chromium anode of step 3) gained powder (La
0.5Ba
0.5Ni
0.6Fe
0.4O
3Powder) XRD diffractogram, visible from figure, La
0.5Ba
0.5Ni
0.6Fe
0.4O
3Powder can obtain complete crystal formation after through 800 ℃ of thermal treatments.Fig. 2 is La
0.5Ba
0.5Ni
0.6Fe
0.4O
3The SEM photo of powder.
4) deionized water, 8YSZ powder and dispersion agent ammonium polyacrylate are made slurry in 65: 35: 1 by volume and carry out ball milling; Obtain adding behind the stable mixed slurry sticker Z 150PH of 0.5wt%; It is freezing for carrying out under-30 ℃ the low temperature that the mixed slurry that will add sticker again is put into temperature; With the sample vacuum-drying that freezes 10 hours, solid-state water distilled fully to discharge and obtains anode microchannel biscuit, promptly is the MCA matrix of main body frame with YSZ then.
5) adopt method of impregnation; Deposition ratio in 50～60wt%; With the anti-chromium anode powder uniform deposition of step 3) gained in the biscuit micropore of the anode microchannel of step 4) gained; In temperature is sintering 5 hours in 1350 ℃ the High Temperature Furnaces Heating Apparatus, obtains the solid oxide electrolytic cell anode that alloying element M is the MCA of Ba, promptly has the SOEC porous anode of directed MCA.
Embodiment 2: preparation alloying element M is the solid oxide electrolytic cell anode of the MCA of Ce.
Preparation process:
1) according to chemical formula La
0.5Ce
0.5Ni
0.6Fe
0.4O
3, wherein with four kinds of elements of Pr at least a, according to stoichiometric ratio preparation La
3+, Ni
2+, Fe
3+And Ce
2+Nitrate mixed solution, be EDTA in molar ratio: all metal ions=1: 1, while stirring with the preparation La
3+, Ni
2+, Fe
3+And Ce
2+Nitrate mixed solution join the NH of EDTA (YD 30)
3H
2In the O solution, be heating 4 hours under 90 ℃ the condition at water bath heating temperature, make mixing solutions.
2) in the mixing solutions of step 1) gained; Do in molar ratio; EDTA: Hydrocerol A: all metal ions=1: 1.5: 1 adds Hydrocerol A, adds ammoniacal liquor again and transfers pH to 7, is heating and high-speed stirring 2 hours under 60 ℃ the condition at water bath heating temperature; Be that 150 ℃ of oven dry solution are extremely gluey in temperature at last, make jelly.
3) with step 2) jelly that obtains is heated to and the low-temperature self-propagating burning takes place obtains the first powder of anti-chromium anodic, is 900 ℃ of calcinings 5 hours in temperature then, and the target powder that obtains is anti-chromium anode powder.
4) deionized water, 8YSZ powder and dispersion agent are made slurry in 60: 30: 1 by volume and carry out ball milling; Obtain adding behind the stable mixed slurry sticker of 1.0wt%; It is freezing for carrying out under-40 ℃ the low temperature that the mixed slurry that will add sticker again is put into temperature; With the sample vacuum-drying that freezes 15 hours, solid-state water distilled fully to discharge and obtains anode microchannel biscuit, promptly is the MCA matrix of main body frame with YSZ then.
5) adopt method of impregnation; Deposition ratio in 40～50wt%; With the anti-chromium anode powder uniform deposition of step 3) gained in the biscuit micropore of the anode microchannel of step 4) gained; In temperature is sintering 5 hours in 1400 ℃ the High Temperature Furnaces Heating Apparatus, obtains the solid oxide electrolytic cell anode that alloying element M is the MCA of Ce, promptly has the SOEC porous anode of directed MCA.
Performance degradation problem for the solid oxide electrolytic cell anode of the key issue that solves present high-temperature electrolysis hydrogen manufacturing practicability; The present invention makes up the preparation that the anti-chromium of knot poisons the anode powder through MCA; Obtain a kind of solid oxide electrolytic cell anode with MCA of better stability; Can increase the work-ing life of electrolyzer, thereby reduce the cost of high-temperature vapor electrolytic hydrogen production, these performances will promote the process of high-temperature vapor electrolytic hydrogen production technical applicationization.The present invention is applicable to large-scale high-temperature vapor electrolytic hydrogen production field.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (3)
1. the preparation method of the solid oxide electrolytic cell anode of a MCA; It is characterized in that, adopt the low-temperature self-propagating method to prepare anti-chromium anode powder, adopt boulton process to prepare anode microchannel biscuit; Adopt method of impregnation will resist chromium anode powder uniform deposition in the biscuit micropore of anode microchannel; Sintering in High Temperature Furnaces Heating Apparatus again makes the solid oxide electrolytic cell anode of MCA, and concrete step is following:
1) according to chemical formula La
xM
1-xNi
0.6Fe
0.4O
3, wherein alloying element M is at least a in Ba, Sm, Ce and four kinds of elements of Pr, according to stoichiometric ratio preparation La
3+, Ni
2+, Fe
3+And M
N+Nitrate mixed solution, be EDTA in molar ratio: all metal ions=1: 1, while stirring with the preparation La
3+, Ni
2+, Fe
3+And M
N+Nitrate mixed solution join the NH of EDTA
3H
2In the O solution, be to heat 0.5～4 hour under 60～90 ℃ the condition at water bath heating temperature, make mixing solutions;
Said La
xM
1-xNi
0.6Fe
0.4O
3In, x is 0.1～0.9;
2) in the mixing solutions of step 1) gained; Do in molar ratio; EDTA: Hydrocerol A: all metal ions=1: 1.5: 1 adds Hydrocerol A, adds ammoniacal liquor again and transfers pH to 6～7, is heating and high-speed stirring 2 hours under 60～90 ℃ the condition at water bath heating temperature; Be that 120～150 ℃ of oven dry solution are extremely gluey in temperature at last, make jelly;
3) with step 2) jelly that obtains is heated to and the low-temperature self-propagating burning takes place obtains the first powder of anti-chromium anodic, is 800～1100 ℃ of calcinings 4～6 hours in temperature then, and the target powder that obtains is anti-chromium anode powder;
4) with the Zirconium powder of deionized water, 8% stabilized with yttrium oxide and dispersion agent A: B by volume: 1 makes slurry carries out ball milling; Wherein, A is 60～70, and B is 29～39, obtains adding behind the stable mixed slurry sticker of 0.5～1.5 wt%; The mixed slurry that will add sticker again be put into carry out under the low temperature that temperature is 40 ℃ of ﹣ 20～﹣ freezing; With the sample vacuum-drying that freezes 10～15 hours, solid-state water distilled fully to discharge and obtains anode microchannel biscuit then, and promptly the zirconium white with stabilized with yttrium oxide is the MCA matrix of main body frame;
5) adopt method of impregnation; With the anti-chromium anode powder uniform deposition of step 3) gained in the biscuit micropore of the anode microchannel of step 4) gained; Wherein, The ratio that anti-chromium anode powder accounts for solid oxide electrolytic cell anode is 40～60wt%, is sintering 4～6 hours in 1300～1500 ℃ the High Temperature Furnaces Heating Apparatus in temperature, makes the solid oxide electrolytic cell anode of MCA.
2. the preparation method of the solid oxide electrolytic cell anode of a kind of MCA according to claim 1 is characterized in that, said dispersion agent is ammonium polyacrylate or NH
4PAA.
3. the preparation method of the solid oxide electrolytic cell anode of a kind of MCA according to claim 1 is characterized in that, said sticker is Z 150PH or polyvinyl butyral acetal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101037160A CN102191512B (en) | 2011-04-25 | 2011-04-25 | Method for preparing anode of solid oxide electrolytic cell of microchannel structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101037160A CN102191512B (en) | 2011-04-25 | 2011-04-25 | Method for preparing anode of solid oxide electrolytic cell of microchannel structure |
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|---|---|
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| DE10208882A1 (en) * | 2002-03-01 | 2003-09-18 | Forschungszentrum Juelich Gmbh | Cathode for use at high temperatures |
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