CN103151548A - Solid oxide fuel cell with Al2O3-YSZ electrolyte membrane and preparation method thereof - Google Patents

Solid oxide fuel cell with Al2O3-YSZ electrolyte membrane and preparation method thereof Download PDF

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CN103151548A
CN103151548A CN2013100645308A CN201310064530A CN103151548A CN 103151548 A CN103151548 A CN 103151548A CN 2013100645308 A CN2013100645308 A CN 2013100645308A CN 201310064530 A CN201310064530 A CN 201310064530A CN 103151548 A CN103151548 A CN 103151548A
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ysz
anode
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刘江
雷励斌
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South China University of Technology SCUT
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    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • 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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Abstract

The invention discloses a solid oxide fuel cell with an Al2O3-YSZ electrolyte membrane. The solid oxide fuel cell sequentially comprises a porous anode support, an anode-electrolyte transition layer, an electrolyte membrane and a porous cathodic coating from inside to outside, wherein the anode-electrolyte transition layer is made of pure YSZ, the porous anode support is made of a nickel-based SOFC anode material, the electrolyte membrane is made of Al2O3 doped YSZ, and the doping amount of Al2O3 accounts for 1%-1.5% of the weight of the YSZ. The invention also discloses the preparation method of the battery. The Al2O3 doped YSZ is used for preparing the electrolyte membrane, so that the sintering temperature of the preparation process is reduced, the manufacturing cost can be reduced, and the output performance of the battery is also improved.

Description

Al 2O 3Solid Oxide Fuel Cell of-YSZ dielectric film and preparation method thereof
Technical field
The present invention relates to fuel cell, particularly Al 2O 3The zirconia of-YSZ(yttria-stabilized) Solid Oxide Fuel Cell of dielectric film and preparation method thereof.
Background technology
Solid Oxide Fuel Cell (Solid Oxide Fuel Cell, SOFC) electrolyte by porous cathode and the densification of porous anode therebetween one deck consists of, fuel gas is provided, provides oxidant gas to negative electrode by anode constantly, just obtain continuous electric current output.SOFC at high temperature works, it is a kind of all solid state electrochemical generating unit, have conversion efficiency high, can use fuel range wide, be easy to management, do not need the advantage such as noble metal catalyst, just be subject to paying close attention to more and more widely, in the near future, might replace traditional generation technology aspect small-sized electric generating apparatus and distributed power generation.
At present, the electrolyte of SOFC generally adopts the zirconia (Yttria Stabilized Zirconia, YSZ) of 8mol% yttria-stabilized, and negative electrode adopts YSZ and mixes the lanthanum manganate (LaMnO of strontium 3, LSM) composite material, anode adopts the Ni-YSZ cermet material.The SOFC monomer mainly contains three kinds of structures: electrolyte self-cradling type, cathode support type and anode support type.Wherein the combination property of anode support type SOFC is best.Anode support type SOFC is the YSZ dielectric film (approximately 10-50 μ m) in the densification of the upper preparation of porous anode supporter (thickness is 0.3-3.0mm) one deck, and then with the negative electrode brushing on dielectric film, can adopt traditional ceramic process preparation.
In the preparation process of anode support type SOFC, the co-sintering temperature of anode support and dielectric film generally needs 1400 ° of C, this is that condition by YSZ electrolyte requirement densification determines, adopts the dielectric film of pure YSZ material preparation only just can reach required compactness extent under the high temperature that is not less than 1400 ° of C.High sintering temperature band is served problem, and be mainly: 1, energy consumption is large, thereby increases the cost of manufacture of SOFC; High sintering temperature makes anode produce the oversintering phenomenon, reduces the effective area of anode, thereby the output performance of SOFC is caused adverse effect.Therefore, reduce sintering temperature and not only can reduce cost of manufacture, can also improve the output performance of battery.
In ceramic process, can reduce sintering temperature by adopting sintering aid.Adopt suitable sintering aid, also can reduce the sintering temperature of YSZ.But YSZ need to have good ionic conductivity as electrolyte, and sintering aid is had strict requirement, should play the effect that reduces sintering temperature, can not cause adverse effect to electrolytical ionic conductivity again.Experiment showed, the normal SiO that adopts in ceramic process 2Deng sintering aid, the conductance of YSZ there is serious harmful effect, therefore can not adopts.And add appropriate Al in YSZ 2O 3, sintering temperature is reduced, but also due to Al 2O 3Grain growth to YSZ has inhibitory action, thereby increases the crystal boundary of YSZ, and the ionic conductivity of YSZ is made moderate progress.
But, in Ni-based anode support type SOFC, also successfully do not use and mix Al 2O 3YSZ do the report of dielectric film.A reason is to understand to mix Al 2O 3The people of this material behavior of YSZ few; Another reason is: the Ni base anode that SOFC adopts and the electrolyte that contains Al be at high temperature during co-sintering, will be at anode---and electrolyte interface generates nonconducting nickel aluminate (Al 2NiO 4), thereby the performance of destruction SOFC.Therefore, mix Al 2O 3The sintering temperature and low of YSZ and the superiority of high conductivity never brought into play in anode support type SOFC.
Summary of the invention
Above-mentioned shortcoming and deficiency in order to overcome prior art the object of the present invention is to provide a kind of Al 2O 3The Solid Oxide Fuel Cell of-YSZ dielectric film has reduced the sintering temperature of preparation process, not only can reduce cost of manufacture, has also improved the output performance of battery.
Another object of the present invention is to provide above-mentioned Al 2O 3The preparation method of the Solid Oxide Fuel Cell of-YSZ dielectric film.
Purpose of the present invention is achieved through the following technical solutions:
Al 2O 3The Solid Oxide Fuel Cell of-YSZ dielectric film comprises porous anode supporter, anode-electrolyte transition zone, dielectric film and porous cathode film from the inside to the outside successively; Described anode-electrolyte transition zone adopts pure YSZ material; Described porous anode supporter adopts Ni-based SOFC anode material; The material that described dielectric film adopts is to mix Al 2O 3YSZ, Al wherein 2O 3Incorporation be 1% ~ 1.5% of YSZ weight.
The thickness of described anode-electrolyte transition zone is 7 ~ 10 μ m, and the thickness of described dielectric film is 7 ~ 10 μ m.
Above-mentioned Al 2O 3The preparation method of the Solid Oxide Fuel Cell of-YSZ dielectric film comprises the following steps:
(1) preparation porous anode supporter; Described porous anode supporter adopts Ni-based SOFC anode material;
(2) take the YSZ powder, add ethanol, dispersant to carry out ball milling, obtain finely dispersed anode-electrolyte transition zone slurry, the porous anode supporter is immersed in anode-electrolyte transition zone slurry, obtain anode-electrolyte transition zone at the outer surface of porous anode supporter;
(3) take YSZ powder and Al 2O 3Powder, wherein Al 2O 3Weight be 1% ~ 1.5% of YSZ weight; Carry out ball milling after adding ethanol, dispersant, obtain finely dispersed electrolyte slurry; To be immersed in electrolyte slurry through the porous anode supporter of step (2), at anode-electrolyte transition zone surface formation dielectric film green compact; Then air calcination 3 ~ 5h under 1300 ~ 1350 ° of C, obtain dielectric film;
(4) prepare the porous cathode film on the surface of dielectric film.
The described preparation porous anode of step (1) supporter is specially:
1:1 takes the zirconia powder of nickel oxide powder and stabillzed with yttrium in mass ratio, and employing adds the slip casting method of forming or infusion process prepares the hole anode support.
Described surface at dielectric film prepares the porous cathode film, is specially:
1:1 takes strontium lanthanum manganese oxide powder and YSZ powder in mass ratio, adds binding agent, grinds to form finely dispersed cathode slurry, Electrolyte Membranes external coating one deck cathodic coating, and air calcination 1 ~ 3h under 1100 ° of C obtains the porous cathode film.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) the present invention adopts and mixes Al 2O 3YSZ replace pure YSZ as the dielectric film of anode support type SOFC, due to Al 2O 3The sintering temperature of-YSZ is lower than pure YSZ, adopts Al 2O 3-YSZ just can reduce SOFC manufacturing process Anodic and electrolytical co-sintering temperature as electrolyte, not only reduces energy consumption, also improves because the sintering that has reduced anode makes the performance of SOFC.In addition, select suitable Al 2O 3Incorporation can also improve electrolytical conductivity, further improves the SOFC performance.
(2) at Al 2O 3The pure YSZ transition zone of preparation one deck between-YSZ dielectric substrate and anode support, can effectively stop the Al in electrolyte directly to contact with Ni in anode, thereby avoid at the nonconducting nickel aluminate of interface formation, making Al when anode and electrolyte high temperature co-firing knot 2O 3-YSZ electrolyte can be successfully used to anode support type SOFC and bring into play its superiority.
Description of drawings
Fig. 1 is the Al of embodiment 1 preparation 2O 3The schematic diagram of the Solid Oxide Fuel Cell of-YSZ dielectric film.
Fig. 2 is the output characteristic curve of sample (1) when 800 ° of C of embodiment 1 preparation.
Fig. 3 is the output characteristic curve of sample (2) Solid Oxide Fuel Cell when 800 ° of C of embodiment 1 preparation.
Fig. 4 is the output characteristic curve of sample (3) when 800 ° of C of embodiment 2 preparations.
Fig. 5 is the output characteristic curve of sample (4) when 800 ° of C of embodiment 3 preparations.
Fig. 6 is the output characteristic curve of sample (5) when 800 ° of C of embodiment 3 preparations.
Fig. 7 is the output characteristic curve of sample (6) when 800 ° of C of embodiment 4 preparations.
Fig. 8 is the output characteristic curve of sample (7) when 800 ° of C of embodiment 4 preparations.
Fig. 9 is the output characteristic curve of sample (8) when 800 ° of C of embodiment 4 preparations.
Figure 10 is the SEM figure in sample (1) cross section of embodiment 1 preparation.
Figure 11 is the SEM figure in sample (2) cross section of embodiment 1 preparation.
Figure 12 is the SEM figure in sample (3) cross section of embodiment 2 preparation.
Figure 13 is the SEM figure in sample (4) cross section of embodiment 3 preparation.
Figure 14 is the SEM figure in sample (5) cross section of embodiment 3 preparation.
Figure 15 is the SEM figure in sample (6) cross section of embodiment 4 preparation.
Figure 16 is the SEM figure in sample (7) cross section of embodiment 4 preparation.
Figure 17 is the SEM figure in sample (8) cross section of embodiment 4 preparation.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
The Al of the present embodiment 2O 3The preparation method of the Solid Oxide Fuel Cell of-YSZ dielectric film is as follows:
1:1 takes the zirconia powder of nickel oxide powder and YSZ in mass ratio, adds appropriate ethanol, dispersant (triethanolamine) and plasticizer (polyethylene glycol-600, o-phthalic acid dibutyl ester), and ball milling obtained finely dispersed slurry in two hours; Tubular die was immersed slurry after five seconds, take out mould, air drying ten minutes, repeat aforesaid operations eight times, obtain porous anode supporter green compact, green compact are about 3.0cm, internal diameter 1.0cm, wall thickness 0.3mm.Porous anode supporter green compact are placed in air sintering 3h under 1100 ° of C of high-temperature electric resistance furnace, obtain the porous anode supporter.
Take the YSZ powder, add appropriate ethanol and dispersant to carry out ball milling, obtain finely dispersed anode-electrolyte transition zone slurry, the porous anode supporter is immersed in anode-electrolyte transition zone slurry, the outer surface of porous anode supporter obtains anode-electrolyte transition zone; Total immersion stain 1 time.
Get YSZ powder and Al 2O 3Powder, wherein Al 2O 3Weight be 1% of YSZ weight; After adding appropriate ethanol and dispersant, ball milling three hours obtains finely dispersed electrolyte slurry; To be immersed in electrolyte slurry through the porous anode supporter of step (2), at anode-electrolyte transition zone surface formation dielectric film green compact; Then sample is divided into two groups: (1) 1300 ° of C sintering 3h obtains dielectric film; Air calcination 5h under (2) 1350 ° of C obtains dielectric film.
1:1 takes the zirconia powder of strontium lanthanum manganese oxide powder and stabillzed with yttrium in mass ratio, adds binding agent, grinds to become finely dispersed cathode slurry in one hour, and at dense electrolyte external coating one deck negative electrode, cathode area is 0.8cm with paintbrush 2Negative electrode is air calcination 1h under 1050 ° of C, obtains the porous cathode film.The Al for preparing 2O 3The Solid Oxide Fuel Cell of-YSZ dielectric film as shown in Figure 1, comprise successively from the inside to the outside porous anode supporter 1, anode-electrolyte transition zone 2, dielectric film 3 and porous cathode film 4, wherein, the thickness of anode-electrolyte transition zone is 7 μ m, and the thickness of described dielectric film is 7 μ m.
Embodiment 2
The Al of the present embodiment 2O 3The preparation method of the Solid Oxide Fuel Cell of-YSZ dielectric film is as follows:
1:1 takes the zirconia powder of nickel oxide powder and YSZ in mass ratio, add suitable quantity of water and gum arabic, ball milling obtained uniform slurry in two hours, slurry is poured in ready plaster mold absorbed by gypsum, form the porous anode green compact on the gypsum wall, green compact are about 3.0cm, internal diameter 1.0cm, wall thickness 0.3mm.Porous anode supporter green compact are placed in air sintering 3h under 1100 ° of C of high-temperature electric resistance furnace, obtain the porous anode supporter.
Take the YSZ powder, add ethanol and dispersant to carry out ball milling, obtain finely dispersed anode-electrolyte transition zone slurry, the porous anode supporter is immersed in anode-electrolyte transition zone slurry, the outer surface of porous anode supporter obtains anode-electrolyte transition zone; Total immersion stain 1 time.
Get YSZ powder and Al 2O 3Powder, wherein Al 2O 3Weight be 1.5% of YSZ weight; Add ethanol and dispersant, ball milling three hours obtains finely dispersed electrolyte slurry; To be immersed in electrolyte slurry through the porous anode supporter of step (2), at anode-electrolyte transition zone surface formation dielectric film green compact; Then with sample at 1300 ° of C sintering 3h; Obtain dielectric film.
1:1 takes the zirconia powder of strontium lanthanum manganese oxide powder and stabillzed with yttrium in mass ratio, adds binding agent, grinds to become finely dispersed cathode slurry in one hour, and at dense electrolyte external coating one deck negative electrode, cathode area is 0.8cm with paintbrush 2Negative electrode is air calcination 3h under 1150 ° of C, obtains the porous cathode film.The Al for preparing 2O 3The Solid Oxide Fuel Cell of-YSZ dielectric film is designated as sample (3), and the thickness of its Anodic-electrolyte transition zone is 10 μ m, and the thickness of described dielectric film is 10 μ m.
Embodiment 3
The Al of the present embodiment 2O 3The preparation method of the Solid Oxide Fuel Cell of-YSZ dielectric film is as follows:
1:1 takes the zirconia powder of nickel oxide powder and YSZ in mass ratio, adds appropriate ethanol, dispersant (triethanolamine) and plasticizer (polyethylene glycol-600, o-phthalic acid dibutyl ester), and ball milling obtained finely dispersed slurry in three hours; Tubular die was immersed slurry after five seconds, take out mould, air drying ten minutes, repeat aforesaid operations eight times, obtain porous anode supporter green compact, green compact are about 3.0cm, internal diameter 1.0cm, wall thickness 0.3mm.Porous anode supporter green compact are placed in air sintering 3h under 1100 ° of C of high-temperature electric resistance furnace, obtain the porous anode supporter.
Take the YSZ powder, add ethanol and dispersant, ball milling three hours obtains finely dispersed anode-electrolyte transition zone slurry, the porous anode supporter is immersed in anode-electrolyte transition zone slurry, and the outer surface of porous anode supporter obtains anode-electrolyte transition zone; Total immersion stain 1 time.
Get YSZ powder and Al 2O 3Powder, wherein Al 2O 3Weight be 5% of YSZ weight; Add ethanol and dispersant, ball milling three hours obtains finely dispersed electrolyte slurry; To be immersed in electrolyte slurry through the porous anode supporter of step (2), at anode-electrolyte transition zone surface formation dielectric film green compact; Then sample is divided into two groups: (4) 1300 ° of C sintering 3h obtain dielectric film; Air calcination 5h under (5) 1350 ° of C obtains dielectric film.
1:1 takes the zirconia powder of strontium lanthanum manganese oxide powder and stabillzed with yttrium in mass ratio, adds binding agent, grinds to become finely dispersed cathode slurry in one hour, and at dense electrolyte external coating one deck negative electrode, cathode area is 0.8cm with paintbrush 2Negative electrode is air calcination 1h under 1050 ° of C, obtains the porous cathode film.
Embodiment 4
The present embodiment adopts traditional pure YSZ electrolyte to prepare Solid Oxide Fuel Cell, and step is as follows:
1:1 takes the zirconia powder of nickel oxide powder and stabillzed with yttrium in mass ratio, add appropriate ethanol, dispersant (triethanolamine) and plasticizer (polyethylene glycol-600, o-phthalic acid dibutyl ester), ball milling obtained finely dispersed slurry in three hours, tubular die was immersed slurry after five seconds, take out mould, air drying ten minutes, repeat aforesaid operations eight times, obtain porous anode supporter green compact, green compact are about 3.0cm, internal diameter 1.0cm, wall thickness 0.3mm.Green compact are placed in air sintering 3h under 1100 ° of C of high-temperature electric resistance furnace, obtain porous anode supporter 1.
Take the zirconia powder of stabillzed with yttrium, add appropriate ethanol and dispersant, ball milling obtained finely dispersed slurry in three hours, adopted infusion process to prepare the zirconic dielectric film green compact of stabillzed with yttrium at the outer surface of porous anode supporter, total immersion stain 2 times.Sample is divided into three groups: air calcination 3h under (6) 1400 ° of C; Air calcination 4h under (7) 1350 ° of C; (8) 1300 ° of C sintering 3h.
1:1 takes the zirconia powder of strontium lanthanum manganese oxide powder and stabillzed with yttrium in mass ratio, adds appropriate binding agent, grinds to become finely dispersed cathode slurry in one hour, and at dense electrolyte external coating one deck negative electrode, cathode area is 0.8cm with paintbrush 2Negative electrode is air calcination 1h under 1100 ° of C, obtains the porous cathode film.
Test case
With sample (1) ~ (8) that embodiment 1 ~ 4 obtains, on earthenware, anode and negative electrode are respectively drawn a wire to employing DAD-87 silver conductive adhesive (production of Shanghai synthetic resin research institute) with the monocell sealing-in.The working temperature of battery is provided and controls with an electric tube furnace, and the humidification hydrogen that passes into 40ml/min in anode-side is fuel gas, take surrounding air as oxic gas, with the output characteristic of Ivium electrochemical workstation test battery.
Fig. 2 is the output characteristic of sample (1) when 800 ° of C, and its open circuit voltage is 1.07V, and maximum power density is 684mW/cm 2Fig. 3 is the output characteristic of sample (2) when 800 ° of C, and its open circuit voltage is 1.05V, and maximum power density is 463mW/cm 2Fig. 4 is the output characteristic of sample (3) when 800 ° of C, and its open circuit voltage is 1.02V, and maximum power density is 304mW/cm 2Fig. 5 is the output characteristic of sample (4) when 800 ° of C, and its open circuit voltage is 0.55V, and maximum power density is 0.001mW/cm 2Fig. 6 is the output characteristic of sample (5) when 800 ° of C, and its open circuit voltage is 0.96V, and maximum power density is 126mW/cm 2Fig. 7 is the output characteristic of sample (6) when 800 ° of C, and its open circuit voltage is 1.04V, and maximum power density is 429mW/cm 2Fig. 8 is the output characteristic of sample (7) when 800 ° of C, and its open circuit voltage is 0.95V, and maximum power density is 93mW/cm 2Fig. 9 is the output characteristic of sample (6) when 800 ° of C, and its open circuit voltage is 0.81V, and maximum power density is 2mW/cm 2
Figure 10 ~ 17 are the Cross Section Morphology figure of sample (1) ~ (8).As can be known along with sintering temperature is down to 1300 ° of C from 1400 ° of C, the hole in electrolyte cross section increases gradually by Figure 15 ~ 17, illustrates that the compactness of pure YSZ dielectric film reduces gradually along with sintering temperature reduces.By Figure 10 ~ 12 as can be known, mix 1 ~ 1.5%Al 2O 3The YSZ dielectric film after ° C sintering of 1300 ° of C ~ 1350, only have a small amount of closed pore on the cross section, similar to the YSZ dielectric film pattern of 1400 ° of C of sintering, illustrate and added 1 ~ 1.5%Al 2O 3Can promote the sintering of YSZ, reduce the temperature of its densified sintering product.By Figure 13 ~ 14 as can be known, on dielectric film, hole is more, illustrates to add 5%Al 2O 3Can not promote the sintering of YSZ.The result of the analysis result of above-mentioned microstructure and battery output characteristic matches.
These results suggest that, the zirconic dielectric film of stabillzed with yttrium can only be at 1400 ° of C ability densified sintering products, and when the sintering temperature reduction, the dielectric film that sintering obtains is not fine and close, causes the open circuit voltage reduction of battery and the degradation of performance.But, add 1 ~ 1.5wt%Al 2O 3Can make the temperature of the Zirconia electrolytic film densified sintering product of stabillzed with yttrium be reduced to 1300 ° of C.
Above-described embodiment is the better execution mode of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, within being included in protection scope of the present invention.

Claims (5)

1.Al 2O 3The Solid Oxide Fuel Cell of-YSZ dielectric film is characterized in that, comprises successively from the inside to the outside porous anode supporter, anode-electrolyte transition zone, dielectric film and porous cathode film; Described anode-electrolyte transition zone adopts pure YSZ; Described porous anode supporter adopts Ni-based SOFC anode material; The material that described dielectric film adopts is to mix Al 2O 3YSZ, Al wherein 2O 3Incorporation be 1% ~ 1.5% of YSZ weight.
2. Al according to claim 1 2O 3The Solid Oxide Fuel Cell of-YSZ dielectric film is characterized in that, the thickness of described anode-electrolyte transition zone is 7 ~ 10 μ m, and the thickness of described dielectric film is 7 ~ 10 μ m.
3. the described Al of claim 1 2O 3The preparation method of the Solid Oxide Fuel Cell of-YSZ dielectric film is characterized in that, comprises the following steps:
(1) preparation porous anode supporter; Described porous anode supporter adopts Ni-based SOFC anode material;
(2) take the YSZ powder, add ethanol and dispersant to carry out ball milling, obtain finely dispersed anode-electrolyte transition zone slurry, the porous anode supporter is immersed in anode-electrolyte transition zone slurry, obtain anode-electrolyte transition zone at the outer surface of porous anode supporter;
(3) take YSZ powder and Al 2O 3Powder, wherein Al 2O 3Weight be 1% ~ 1.5% of YSZ weight; Carry out ball milling after adding ethanol and dispersant, obtain finely dispersed electrolyte slurry; To be immersed in electrolyte slurry through the porous anode supporter of step (2), at anode-electrolyte transition zone surface formation dielectric film green compact; Then air calcination 3 ~ 5h under 1300 ~ 1350 ° of C, obtain dielectric film;
(4) prepare the porous cathode film on the surface of dielectric film.
4. Al according to claim 3 2O 3The preparation method of the Solid Oxide Fuel Cell of-YSZ dielectric film is characterized in that, the described preparation porous anode of step (1) supporter is specially:
1:1 takes the zirconia powder of nickel oxide powder and stabillzed with yttrium in mass ratio, and employing adds the slip casting method of forming or infusion process prepares the hole anode support.
5. Al according to claim 3 2O 3The preparation method of the Solid Oxide Fuel Cell of-YSZ dielectric film is characterized in that, described surface at dielectric film prepares the porous cathode film, is specially:
1:1 takes strontium lanthanum manganese oxide powder and YSZ powder in mass ratio, adds binding agent, grinds to form finely dispersed cathode slurry, Electrolyte Membranes external coating one deck cathodic coating, and air calcination 1 ~ 3h under 1100 ° of C obtains the porous cathode film.
CN2013100645308A 2013-02-28 2013-02-28 Solid oxide fuel cell with Al2O3-YSZ electrolyte membrane and preparation method thereof Pending CN103151548A (en)

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CN110600778A (en) * 2018-06-12 2019-12-20 阜阳师范学院 MgO and Y2O3Double-doped ZrO2-alkali metal salt complex and process for producing the same

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CN103887550A (en) * 2014-04-15 2014-06-25 哈尔滨工业大学 Method for preparing solid oxide fuel cell by taking sludge as fuel
CN103887550B (en) * 2014-04-15 2016-03-16 哈尔滨工业大学 Mud is as the preparation method of fuel solids oxide fuel cell
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CN106463749B (en) * 2014-07-30 2019-07-09 株式会社Lg化学 The improved inorganic electrolyte membrane manufacturing method of consistency, the composition for manufacturing the film and the film manufactured using the composition
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Application publication date: 20130612