CN107275657A - A kind of simple method for preparing of anode of solid oxide fuel cell supporter - Google Patents

A kind of simple method for preparing of anode of solid oxide fuel cell supporter Download PDF

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Publication number
CN107275657A
CN107275657A CN201710435073.7A CN201710435073A CN107275657A CN 107275657 A CN107275657 A CN 107275657A CN 201710435073 A CN201710435073 A CN 201710435073A CN 107275657 A CN107275657 A CN 107275657A
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anode
slurry
ysz
glued membrane
nio
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肖杰
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Source Of Yunnan Polytron Technologies Inc
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Source Of Yunnan Polytron Technologies Inc
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/02Details
    • H01M8/0271Sealing or supporting means around electrodes, matrices or membranes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/10Fuel cells with solid electrolytes
    • H01M8/12Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
    • H01M8/1213Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
    • H01M8/1226Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material characterised by the supporting layer
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The present invention relates to the preparing technical field of SOFC, and in particular to a kind of simple method for preparing of anode of solid oxide fuel cell supporter, and it uses following method and step:Step one:Slurry is configured:Weight is compared 1:1 NiO and YSZ, graphite powder and the 4h of organic additive ball milling mixing 3 formation suspended nitrides;Wherein:Organic additive is polyvinyl butyral resin, triethanolamine, polyethylene glycol, di-n-octyl phthalate and absolute ethyl alcohol;Above-mentioned NiO, YSZ, graphite powder, polyvinyl butyral resin, triethanolamine, polyethylene glycol, the percentage by weight of di-n-octyl phthalate and absolute ethyl alcohol are 16 18%:16 18%:2 4%:5 8%:1.5 2%:3 4%:3 4%:45 47%;Step 2:Scraper is molded:Anode slurry is poured on glass plate, slurry uniform ground is filled to the glass carrier drape forming between adhesive tape with scraper;Step 3:High temperature sintering;It has shaping fast, easy to operate, and can realize the advantages of small lot is produced.

Description

A kind of simple method for preparing of anode of solid oxide fuel cell supporter
【Technical field】
The present invention relates to the preparing technical field of SOFC, and in particular to a kind of solid oxide fuel The simple method for preparing of galvanic anode supporter.
【Background technology】
SOFC (abbreviation SOFC) is a kind of energy conversion device of all solid state component, including solid electricity Material, anode material, cathode material and connecting material are solved, is all full ceramic structure, compared with other types of fuel cell, The material used is less expensive, participates in fuel cell without liquid, and electrolyte is relatively stable, thus SOFC have it is following bright Aobvious advantage and feature, makes it more more attractive than other kinds of fuel cell:1. all solid state component is used, in the absence of material The problem of material corrosion and electrolyte are leaked;2. all solid state component, the problem of being leaked in the absence of material corrosion and electrolyte are used;③ Noble metal electrode material need not be used, battery cost of manufacture is greatly reduced;4. operating temperature is high, and kinetics is fast, production Raw high-quality waste heat is suitable for cogeneration of heat and power, can improve energy utilization overall efficiency (up to 80%);5. the fuel scope of application Extensively, H can not only be used2Make fuel with CO etc., and can directly use natural gas, coal gasification gas and other nytrons Thing or liquid alcohols etc. make fuel;6. electrode process is quite rapid, can bear the sulfide of higher concentration and CO poison Evil, is substantially reduced to electrode requirement.Therefore, SOFC is auxiliary in large-scale power station, distributed power station, household cogeneration systems, automobile The fields such as power supply are helped to have broad application prospects.
Anode is SOFC important component, and the performance of anode material can directly affect SOFC performance.Usual SOFC Anode material must is fulfilled for claimed below.1. it must provide the place of fueled electrochemical oxidation reaction, with good catalysis Active and high electronic conductivity, enables electronics smoothly to pass to external circuit and produces electric current;2. have well chemically and thermally Stability, the material being in contact with it has the matching of good chemical compatibility and thermal expansion;3. there is suitable porosity, Fuel gas is diffused into anode and participate in electrochemical reaction, and the gas and accessory substance that simultaneously produce reaction are taken away.Anode branch Support type SOFC has the advantages that preparation is simple, battery performance is high and is widely used, and it is by multihole anode support, fine and close electricity The three-decker of plasma membrane and porous cathode composition is solved, one of most critical technology prepared by wherein anode support type SOFC is exactly porous The preparation of anode support.Anode support is in addition to needing to meet the requirement of above-mentioned anode, in addition it is also necessary to certain thickness Spend with mechanical strength to play a part of supporting dielectric film.
The technique for preparing anode support generally used at present has slip casting, extrusion molding and traditional the tape casting Deng.But requirement of the above-mentioned forming preparation process to slurry is higher, and technological process is more complicated, very flexible, causes work Make inefficiency, the shortcomings of cost is high.
【The content of the invention】
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of SOFC sun The simple method for preparing of pole supporter, it can realize preparation of the technological process compared with relatively simple and flexible multihole anode support, And the problem of uniform mixed slurry of two kinds of powders is difficult to prepare is not present, save cost and improve preparation efficiency, it It is fast with shaping, it is easy to operate, and the advantages of small lot is produced can be realized.
A kind of simple method for preparing of anode of solid oxide fuel cell supporter of the present invention, it is using as follows Method and step:
Step one:Slurry preparation, the step of it is used is as follows:
I) by nickel oxide (NiO), zirconium oxide (YSZ), graphite powder and the organic additive ball milling of 8mol% stabilized with yttrium oxide Mix 3-4h formation suspended nitrides;Wherein:NiO and YSZ weight ratio 1:1;
II) organic additive in step I is polyvinyl butyral resin, triethanolamine, polyethylene glycol, phthalic acid two N-octyl and absolute ethyl alcohol;
III nickel oxide) in suspended nitride, the zirconium oxide of 8mol% stabilized with yttrium oxide, graphite powder, polyvinyl alcohol contracting fourth Aldehyde, triethanolamine, polyethylene glycol, the percentage by weight of di-n-octyl phthalate and absolute ethyl alcohol are 16-18%:16- 18%:2-4%:5-8%:1.5-2%:3-4%:3-4%:45-47%;
When IV) preparing, it is very easy to introduce bubble in its high speed mechanical milling process, in slurry, and bubble is in next step Scraper shaping be very unfavorable, the defects such as stomata can be left on the surface or inside of green compact, therefore slurry is removed before Bubble, using the method vacuumized, slurry is placed in vacuum rotary evaporator and is depressured to -2MPa, you can obtain the sun of stable and uniform Pole slurry;
Step 2:Scraper be molded, using the step of it is as follows:
I two sealant tapes) are abreast sticked on smooth glass plate first, length is 20cm, two adhesive tapes Spacing is 5cm, i.e., regard 20 × 5cm glass plate as carrier;
II) and then by the obtained anode slurries of appropriate step I pour on the glass plate between adhesive tape, made with transparent triangle Slurry uniform ground is filled to the glass carrier region between adhesive tape for scraper;
III) after after slurry drying formation glued membrane, glued membrane is cut out along tape edge with pocket knife, carefully glued membrane is lifted Rise, obtain 20 × 5cm anode glued membrane with standby;
IV) glued membrane is cut into 5 × 5cm shape, the glued membrane superposition of the different numbers of plies is obtained into certain anode as needed Thickness, with tablet press machine, the pressure compacting with 200~300MPa and pressurize 15-20min, make multilayer laminate closely combine one Rise, then can get button NiO-YSZ anode support green compact with card punch;
Step 3:High temperature sintering:Using the step of it is as follows:
I) in order to ensure not having in sintering temperature is less than 400 DEG C in crackle, high-temperature sintering process when heating rate it is best It is less than 1 DEG C/min;
II) if heating rate is too fast when being less than 400 DEG C, it would be possible to can produce the multihole anode support after sintering and split Line.
Further, the weight of graphite powder is the zirconia ceramics powder gross weight of nickel oxide and 8mol% stabilized with yttrium oxide 10%-20%.
The present invention has following advantage relative to traditional preparation method:
Advantage one:The present invention prepares multihole anode support using painting method is suspended to, the porous anode support prepared Body green strength is higher, and with good toughness and processing characteristics, can following process obtain special shape or size;Burn Shape size is consistent after knot, is not susceptible to deformation, shrinkage factor is low, prepares the porous ceramic bodies of variously-shaped size;Yield rate exists More than 90%;The preparation of complex-shaped multihole anode support can be realized, and in the absence of the uniform mixing of two kinds of powders The problem of slurry is difficult to prepare, shaping is fast, easy to operate, and can realize that small lot is produced.
Advantage two:The inventive method, in addition to it can prepare SOFC porous anode ceramic components, can also prepare YSZ electrolyte Ceramic component.
The present invention has the beneficial effect that:A kind of simple system of anode of solid oxide fuel cell supporter of the present invention Preparation Method, it can realize preparation of the technological process compared with relatively simple and flexible multihole anode support, and in the absence of two kinds of powders Uniform mixed slurry the problem of be difficult to prepare, saved cost and improved preparation efficiency, it has shaping fast, operation letter Just, and the advantages of small lot is produced can be realized
【Brief description of the drawings】
Accompanying drawing described herein be for providing a further understanding of the present invention, constituting the part of the application, but Inappropriate limitation of the present invention is not constituted, in the accompanying drawings:
Fig. 1 is that SOFC monocells prepared by embodiment one use output of the humidification hydrogen as fuel at different temperatures Energy;
Fig. 2 is the battery cross sectional scanning after SOFC monocells prepared by embodiment one are tested using humidification hydrogen as fuel Electron microscope;
Fig. 3 is that porous NiO-YSZ anode supports prepared by embodiment two use the cross-sectional scans after humidification hydrogen reducing Electron microscope.
【Embodiment】
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, illustrative examples therein and say It is bright to be only used for explaining the present invention but not as a limitation of the invention.
As shown in Figure 1-Figure 3, a kind of anode of solid oxide fuel cell supporter described in present embodiment Simple method for preparing, it uses following method and step:
Step one:Slurry preparation, the step of it is used is as follows:
I) by nickel oxide (NiO), zirconium oxide (YSZ), graphite powder and the organic additive ball milling of 8mol% stabilized with yttrium oxide Mix 3-4h formation suspended nitrides;Wherein:NiO and YSZ weight ratio 1:1;
II) organic additive in step I is polyvinyl butyral resin, triethanolamine, polyethylene glycol, phthalic acid two N-octyl and absolute ethyl alcohol;
III nickel oxide) in suspended nitride, the zirconium oxide of 8mol% stabilized with yttrium oxide, graphite powder, polyvinyl alcohol contracting fourth Aldehyde, triethanolamine, polyethylene glycol, the percentage by weight of di-n-octyl phthalate and absolute ethyl alcohol are 16-18%:16- 18%:2-4%:5-8%:1.5-2%:3-4%:3-4%:45-47%;
When IV) preparing, it is very easy to introduce bubble in its high speed mechanical milling process, in slurry, and bubble is in next step Scraper shaping be very unfavorable, the defects such as stomata can be left on the surface or inside of green compact, therefore slurry is removed before Bubble, using the method vacuumized, slurry is placed in vacuum rotary evaporator and is depressured to -2MPa, you can obtain the sun of stable and uniform Pole slurry;
Step 2:Scraper be molded, using the step of it is as follows:
I two sealant tapes) are abreast sticked on smooth glass plate first, length is 20cm, two adhesive tapes Spacing is 5cm, i.e., regard 20 × 5cm glass plate as carrier;
II) and then by the obtained anode slurries of appropriate step I pour on the glass plate between adhesive tape, made with transparent triangle Slurry uniform ground is filled to the glass carrier region between adhesive tape for scraper;
III) after after slurry drying formation glued membrane, glued membrane is cut out along tape edge with pocket knife, carefully glued membrane is lifted Rise, obtain 20 × 5cm anode glued membrane with standby;
IV) glued membrane is cut into 5 × 5cm shape, the glued membrane superposition of the different numbers of plies is obtained into certain anode as needed Thickness, with tablet press machine, the pressure compacting with 200~300MPa and pressurize 15-20min, make multilayer laminate closely combine one Rise, then can get button NiO-YSZ anode support green compact with card punch;
Step 3:High temperature sintering:Using the step of it is as follows:
I) in order to ensure not having in sintering temperature is less than 400 DEG C in crackle, high-temperature sintering process when heating rate it is best It is less than 1 DEG C/min;
II) if heating rate is too fast when being less than 400 DEG C, it would be possible to can produce the multihole anode support after sintering and split Line.
Preferred as one kind of the present invention, the weight of graphite powder is made pottery for the zirconium oxide of nickel oxide and 8mol% stabilized with yttrium oxide The 10%-20% of porcelain powder gross weight.
Embodiment one:
As Figure 1-Figure 2, the preparation method of the multihole anode support of SOFC of the invention, is adopted With following method and step:
Step one:Slurry preparation:
By nickel oxide (NiO), zirconium oxide (YSZ) (NiO the and YSZ weight ratio 1 of 8mol% stabilized with yttrium oxide:1), graphite powder With organic additive ball milling mixing 3h formation suspended nitrides;The organic additive is polyvinyl butyral resin, triethanolamine, gathered Ethylene glycol, di-n-octyl phthalate and absolute ethyl alcohol;The nickel oxide, the zirconium oxide of 8mol% stabilized with yttrium oxide, graphite Powder, polyvinyl butyral resin, triethanolamine, polyethylene glycol, the percentage by weight of di-n-octyl phthalate and absolute ethyl alcohol For 18%:18%:4%:5%:1.5%:3%:3%:47%.Using the method vacuumized, slurry is placed in vacuum rotary evaporator In be depressured to -2MPa, the bubble removed in slurry is the anode slurry that can obtain stable and uniform.
Step 2:Scraper is molded:
Two sealant tapes are abreast sticked on smooth glass plate first, length is between 20cm, two adhesive tapes Away from for 5cm, i.e., it regard 20 × 5cm glass plate as carrier.Then the anode slurry appropriate step (1) obtained pour into adhesive tape it Between glass plate on, slurry uniform ground is filled to the glass carrier region between adhesive tape as scraper with transparent triangle. After after slurry drying formation glued membrane, glued membrane is cut out along tape edge with pocket knife, carefully glued membrane is started, obtain 20 × 5cm anode glued membrane is with standby.Glued membrane is cut into 5 × 5cm shape, 18 layers of glued membrane superposition is obtained certain as needed Anode thickness, with tablet press machine, the pressure compacting with 300MPa and pressurize 20min, make multilayer laminate closely be combined together, so The card punch for being afterwards 14mm with internal diameter can get button NiO-YSZ anode support green compact, a diameter of 14mm, and thickness is 0.7mm。
Step 3:High temperature sintering:
The button NiO-YSZ anode supports green compact that the above method is obtained sinter 2h in 1100 DEG C of air atmospheres, make It has enough mechanical strengths, that is, obtains the NiO-YSZ multihole anode supports of pre-sintering.
YSZ dielectric films are prepared on the NiO-YSZ multihole anode supports surface that pre-sintering is crossed using infusion process again afterwards, Then NiO-YSZ anode supports/YSZ dielectric films are put into high temperature Muffle furnace and sinter 4h in 1400 DEG C of air atmospheres. Finally, that one layer of La0.8Sr0.2MnO3 (LSM)/LSM-YSZ is applied in the way of brushing on sintered YSZ dielectric films surface is multiple Negative electrode is closed, the SOFC monocells of button NiO-YSZ anode-supporteds are can be obtained by after 1100 DEG C sinter 2h, wherein negative electrode has Effect area is 0.25cm2.
The output performance of monocell manufactured in the present embodiment is measured using four electrode method, silver wire is as leading in test Line, silver paste is as connecting material, to be saturated the hydrogen of water vapour at room temperature as fuel (25mL/min), the air of free-flowing For oxidant, the output performance under different temperatures is as shown in figure 1, test shows that the open-circuit voltage of monocell is at 800 DEG C 1.05V, peak power output density is 786mW/cm2, shows excellent performance.It is completed, the section of monocell is entered Go the analysis of microstructure, be illustrated in figure 2 the cross-sectional scans electron microscope of monocell.It can be seen that prepared The YSZ Electrolyte film thickness of monocell is 25 μm, very fine and close and without hole and any defect, has sintered out highdensity electricity Solve matter thin layer.Observe that three-decker is all very smooth and uniform simultaneously, anode and electrolyte, negative electrode is with electrolyte in interface Contact is close, well.Cathode electrode layer thickness is 30 μm, and bulk multi-hole is conducive to diffusion and the electrochemical reaction of oxygen.
Specific embodiment two:
The preparation method of the multihole anode support of the SOFC of the present invention, is walked using following method Suddenly:
Step one:Slurry preparation:
By nickel oxide (NiO), zirconium oxide (YSZ) (NiO the and YSZ weight ratio 1 of 8mol% stabilized with yttrium oxide:1), graphite powder With organic additive ball milling mixing 4h formation suspended nitrides;The organic additive is polyvinyl butyral resin, triethanolamine, gathered Ethylene glycol, di-n-octyl phthalate and absolute ethyl alcohol;The nickel oxide, the zirconium oxide of 8mol% stabilized with yttrium oxide, graphite Powder, polyvinyl butyral resin, triethanolamine, polyethylene glycol, the percentage by weight of di-n-octyl phthalate and absolute ethyl alcohol For 16%:16%:2%:5%:1.5%:3%:3%:45%.Using the method vacuumized, slurry is placed in vacuum rotary evaporator In be depressured to -2MPa, the bubble removed in slurry is the anode slurry that can obtain stable and uniform.
Step 2:Scraper is molded:
Two sealant tapes are abreast sticked on smooth glass plate first, length is between 20cm, two adhesive tapes Away from for 5cm, i.e., it regard 20 × 5cm glass plate as carrier.Then the anode slurry appropriate step one obtained pour into adhesive tape it Between glass plate on, slurry uniform ground is filled to the glass carrier region between adhesive tape as scraper with transparent triangle. After after slurry drying formation glued membrane, glued membrane is cut out along tape edge with pocket knife, carefully glued membrane is started, obtain 20 × 5cm anode glued membrane is with standby.Glued membrane is cut into 5 × 5cm shape, 18 layers of glued membrane superposition is obtained certain as needed Anode thickness, with tablet press machine, the pressure compacting with 200MPa and pressurize 15min, make multilayer laminate closely be combined together, so The card punch for being afterwards 14mm with internal diameter can get button NiO-YSZ anode support green compact, a diameter of 14mm, and thickness is 0.7mm。
Step 3:High temperature sintering:
The button NiO-YSZ anode supports green compact that the above method is obtained sinter 2h in 1100 DEG C of air atmospheres, make It has enough mechanical strengths, that is, obtains NiO-YSZ multihole anode supports.
Anode is reduced completely at 750 DEG C using the hydrogen atmosphere (25mL/min) for being saturated water vapour at room temperature, it is cold But room temperature is arrived, Micro-Structure Analysis is carried out to anode section, the cross-sectional scans electron microscope of anode after reduction is illustrated in figure 3, can To see that Ni particles are evenly distributed in above YSZ skeletons, the structure of holey is formed.This structure causes it and fuel gas Body contact interface is very big, is conducive to the reaction of gentle, the solid two-phase of the diffusion (reduction concentration polarization) of fuel gas and product gas, together When the YSZ skeletons that interconnect can transmit oxonium ion and participate in reaction to conversion zone.By script electrode, electrolyte and fuel gas The conversion zone of three-phase junctional area is expanded on whole anode YSZ skeletons, the fluffy continuous structure of anode and larger active region Domain is conducive to the progress of electrochemical reaction, illustrate the Simple scraping knife technique that is used in the design prepare many empty anode supports be can Capable.
Described above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application scope, The equivalent change or modification that feature and principle are done, is included in the range of present patent application.

Claims (2)

1. a kind of simple method for preparing of anode of solid oxide fuel cell supporter, it is characterised in that:It uses following Method and step:
Step one:Slurry preparation, the step of it is used is as follows:
I) by zirconium oxide (YSZ), graphite powder and the organic additive ball milling mixing of nickel oxide (NiO), 8mol% stabilized with yttrium oxide 3-4h formation suspended nitrides;Wherein:NiO and YSZ weight ratio 1:1;
II) organic additive in step I is that polyvinyl butyral resin, triethanolamine, polyethylene glycol, phthalic acid two are just pungent Ester and absolute ethyl alcohol;
III nickel oxide) in suspended nitride, the zirconium oxide of 8mol% stabilized with yttrium oxide, graphite powder, polyvinyl butyral resin, three Monoethanolamine, polyethylene glycol, the percentage by weight of di-n-octyl phthalate and absolute ethyl alcohol are 16-18%:16-18%:2- 4%:5-8%:1.5-2%:3-4%:3-4%:45-47%;
When IV) preparing, it is very easy to introduce bubble in its high speed mechanical milling process, in slurry, and bubble is to scraping in next step Knife shaping is very unfavorable, can leave the defects such as stomata on the surface or inside of green compact, thus before will to slurry bubble removing, Using the method vacuumized, slurry is placed in vacuum rotary evaporator and is depressured to -2MPa, you can obtain the anode slurry of stable and uniform Material;
Step 2:Scraper be molded, using the step of it is as follows:
I two sealant tapes) are abreast sticked on smooth glass plate first, length is 20cm, two adhesive tape spacing For 5cm, i.e., it regard 20 × 5cm glass plate as carrier;
II) and then by the obtained anode slurries of appropriate step I pour on the glass plate between adhesive tape, with transparent triangle as scraping Knife fills slurry uniform ground in the glass carrier region between adhesive tape;
III) after after slurry drying formation glued membrane, glued membrane is cut out along tape edge with pocket knife, carefully glued membrane is started, obtained Anode glued membrane to 20 × 5cm is with standby;
IV) glued membrane is cut into 5 × 5cm shape, the glued membrane superposition of the different numbers of plies is obtained into certain anode thickness as needed, With tablet press machine, the pressure compacting with 200~300MPa and pressurize 15-20min, make multilayer laminate closely be combined together, then Button NiO-YSZ anode support green compact can be got with card punch;
Step 3:High temperature sintering:Using the step of it is as follows:
I) in order to ensure not having in sintering temperature is less than 400 DEG C in crackle, high-temperature sintering process when heating rate be less than 1 ℃/min;
II) if heating rate is too fast when being less than 400 DEG C, it would be possible to can crack the multihole anode support after sintering.
2. a kind of simple method for preparing of anode of solid oxide fuel cell supporter according to claim 1, it is special Levy and be:The weight of graphite powder is the 10%- of the zirconia ceramics powder gross weight of nickel oxide and 8mol% stabilized with yttrium oxide 20%.
CN201710435073.7A 2017-06-10 2017-06-10 A kind of simple method for preparing of anode of solid oxide fuel cell supporter Pending CN107275657A (en)

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CN109065929A (en) * 2018-08-06 2018-12-21 张健 A kind of simple preparation method of anode of solid oxide fuel cell supporter
CN111302768A (en) * 2020-03-24 2020-06-19 东莞市煜田新材料有限公司 Novel porous oxide ceramic and preparation method thereof

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CN102082284A (en) * 2010-12-30 2011-06-01 上海交通大学 Method for preparing anode supporting type intermediate-temperate solid oxide fuel cell (SOFC)
CN106784882A (en) * 2017-03-10 2017-05-31 佛山索弗克氢能源有限公司 The preparation method of the anode support tube of fuel cell

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109065929A (en) * 2018-08-06 2018-12-21 张健 A kind of simple preparation method of anode of solid oxide fuel cell supporter
CN111302768A (en) * 2020-03-24 2020-06-19 东莞市煜田新材料有限公司 Novel porous oxide ceramic and preparation method thereof

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Application publication date: 20171020