CN107195938A - A kind of simple SOFC preparation method - Google Patents
A kind of simple SOFC preparation method Download PDFInfo
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- CN107195938A CN107195938A CN201710527408.8A CN201710527408A CN107195938A CN 107195938 A CN107195938 A CN 107195938A CN 201710527408 A CN201710527408 A CN 201710527408A CN 107195938 A CN107195938 A CN 107195938A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M8/1213—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M8/124—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
- H01M8/1246—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
- H01M8/1253—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing zirconium oxide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M2008/1293—Fuel cells with solid oxide electrolytes
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
A kind of simple SOFC preparation method, belongs to fuel cell field.Methods described is as follows：（1）It is cast SSZ dielectric substrates；（2）Anode functional layer and anode support are cast on step one SSZ dielectric substrates, biscuit A is formed；（3）Cathode functional is cast, and cathode support layers are cast in cathode functional, biscuit B is formed；（4）The cathode function aspect of biscuit A SSZ electrolyte aspect and biscuit B is superimposed, a complete full battery biscuit is obtained by lamination；（5）Full battery biscuit obtained by step 4 is put into high temperature furnace and is sintered.It is an advantage of the invention that：Lamination can ensure biscuit uniform force, so as to reduce interfacial stress, eliminate crackle and layering；Biscuit A and biscuit B are pressed into full battery biscuit altogether by being laminated, is then prepared using a step co-sintering technology and helps battery, SOFC step of preparation process can be reduced, production cost is reduced, the time is saved.
Description
Technical field
The invention belongs to fuel cell field, and in particular to a kind of simple SOFC preparation method.
Background technology
Fuel cell be it is a kind of internal chemical energy can be converted to the TRT of electric energy, it is except firepower hair
The thinking of an innovation outside the schemes such as electricity, hydroelectric generation and solar power generation.In the fuel cell of numerous types, solid
Oxide fuel cell（Solid Oxide Fuel Cell, SOFC）In the presence of apparent advantage, its requirement to fuel is not
Height, hydrogen, coal gas and various hydrocarbon compounds can serve as fuel and be used.Anode, electrolyte and the moon of whole battery
What pole was used is all solid, it is not necessary to as other types of battery needs to carry out leakproof and anti-corrosion operation.In addition, it converts energy
Efficiency it is very high, save fuel.At present, SOFC development turns into international study hotspot.
The preparation problem of fuel cell is always the selection of influence fuel cell raw material, battery performance, the key factor in life-span.
Because the electrolyte of fuel cell, anode, negative electrode and the requirement of connector and application environment are differed, in preparation method
On also have larger difference.The method for preparing SOFC electrodes is a lot, be broadly divided into physical method, chemical method and ceramics into
Type method.China Patent Publication No. CN 104779409A, entitled " a kind of SOFC and preparation method thereof "
Patent application, describe on using perofskite type oxide as the multihole anode support of anode material and be sequentially depositing porous anode
Functional layer, dense electrolyte layer and porous cathode functional layer, deposited porous is cloudy in porous cathode functional layer after reduction treatment
The battery preparation method of pole layer, wherein deposition has mixed nanometer oxygen in porous perovskite anode support, porous anode functional layer
Change in cerium, porous cathode functional layer and be sequentially depositing mixed nanometer cerium oxide and nanometer cathode material.Consolidating prepared by this method
Oxide body fuel cell long term structural is stable, can be subjected to multiple oxidationreduction circulation, anti-carbon, and has sulfur tolerance, but
Preparation process is complicated, and the cycle is long, repeatedly uses silk-screen printing, and condition repeatability is poor.China Patent Publication No. CN
103811788A, the patent application of entitled " preparation method of intermediate temperature solid oxide fuel cell ", is described another
The preparation method of SOFC：Using sol-gel process or Solid phase synthesis cathode material, oxygen ion conductor electricity
Matter and proton conductor electrolyte powder are solved, terpinol is added after being combined and cathode slurry is made in ethyl cellulose grinding, silk is utilized
Cathode slurry is coated on the bath surface of the half-cell sintered by net print process, and porous cathode knot is obtained after high temperature sintering
The intermediate temperature solid oxide fuel cell of structure.The preparation method solves intermediate temperature solid oxide fuel cell cathode material
Polarization resistance it is higher the problem of.Two above patent is required for multiple sintering steps, not only took but also consumed energy.Therefore, electricity is reduced
Sintering step prepared by pond is necessary, and SOFC manufacturing cost can be reduced by a step co-sintering technology.
Retrieve and find by prior art, most of researchs are double-deck primarily with regard to anode support and dielectric substrate at present
The co-sintering of half-cell biscuit, such as Electrochemical Performance of Anode-Supported Solid
Oxide Fuel Cells by A Single-Step Co-sintering Process（One step co-sintering positive electrode support solid
Oxide fuel cell chemical property, Journal of the American Ceramic Society, 2008,91
(10): 3303-3307.《American Ceramics association magazine》, publication date 2008.08.20）.However, as anode support, electrolysis
The co-sintering research of matter layer and the full battery of multilayer as cathode layer has not been reported.
The content of the invention
The invention aims to overcome SOFC preparation processes present in prior art complicated, not only took but also consumed energy,
The problem of manufacturing cost is high, using a step co-sintering technology, there is provided a kind of simple SOFC preparation method.
To achieve the above object, the technical scheme that the present invention takes is as follows：
A kind of simple SOFC preparation method, the described method comprises the following steps：
Step one：It is cast SSZ dielectric substrates；
Step 2：Anode functional layer and anode support are cast on step one SSZ dielectric substrates, biscuit A is formed；
Step 3：Cathode functional is cast, and cathode support layers are cast in cathode functional, biscuit B is formed；
Step 4：The cathode function aspect of biscuit A SSZ electrolyte aspect and biscuit B is superimposed, obtained by lamination
One complete full battery biscuit；
Step 5：Full battery biscuit obtained by step 4 is put into high temperature furnace and is sintered.
The I-U curves test of fuel cell is to use hydrogen for fuel gas, and air is oxic gas, hydrogen flowing quantity quality stream
Gauge is controlled, and collector is made with silver conductive adhesive, seals off air and oxygen with devitrified glass, test result is by fuel cell
Test system is obtained.
The present invention has an advantageous effect in that relative to prior art：
（1）Lamination can ensure biscuit uniform force, so as to reduce interfacial stress, eliminate crackle and layering；
（2）Biscuit A and biscuit B are pressed into full battery biscuit altogether by being laminated, is then prepared and helped using a step co-sintering technology
Battery, can reduce SOFC step of preparation process, reduce production cost, save the time.
Brief description of the drawings
Fig. 1 is the biscuit schematic flow sheet that present invention curtain coating prepares simple SOFC；
Fig. 2 is the profile scanning electron microscope for the simple SOFC that the present invention is prepared；
Fig. 3 is the profile scanning Electronic Speculum enlarged drawing for the simple SOFC that the present invention is prepared；
Fig. 4 is the bath surface scanning electron microscope (SEM) photograph for the simple SOFC that the present invention is prepared；
Fig. 5 is the cathode surface scanning electron microscope (SEM) photograph for the simple SOFC that the present invention is prepared；
Fig. 6 is the current-voltage of the simple SOFC of the invention prepared at different temperatures（I-U）
And current-power（I-P）Curve map.
Embodiment
Technical scheme is described further with reference to the accompanying drawings and examples, but is not limited thereto, it is all
It is technical solution of the present invention to be modified or equivalent substitution, without departing from the scope of technical solution of the present invention, all should contains
Cover among protection scope of the present invention.
Embodiment one：What present embodiment was recorded is a kind of simple SOFC preparation side
Method, methods described are as shown in figure 1, specifically include following steps：
Step one：It is cast SSZ dielectric substrates；
Step 2：Anode functional layer and anode support are cast on step one SSZ dielectric substrates, biscuit A is formed；
Step 3：Cathode functional is cast, and cathode support layers are cast in cathode functional, biscuit B is formed；
Step 4：The cathode function aspect of biscuit A SSZ electrolyte aspect and biscuit B is superimposed, obtained by lamination
One complete full battery biscuit；
Step 5：Full battery biscuit obtained by step 4 is put into high temperature furnace and is sintered.
Embodiment two：A kind of simple SOFC preparation side described in embodiment one
Method, the fuel cell is successively by anode support, anode functional layer, dielectric substrate, cathode functional and cathode support layers system
Composition is integrated, the profile scanning electron microscope and its enlarged drawing of obtained SOFC are as shown in Figure 2,3；Its
In：
The anode support is by NiO phases and SSZ phase compositions, and anode support thickness is 500 ~ 700 μm；
The anode functional layer is by NiO phases and SSZ phase compositions, and anode functional layer thickness is 20 ~ 35 μm；
The dielectric substrate is by SSZ phase compositions, and dielectric substrate thickness is 10 ~ 20 μm；
The cathode functional is by LSM phases and SSZ phase compositions, and cathode functional thickness is 20 ~ 35 μm；
The cathode support layers are by LSM phases and SSZ phase compositions, and cathode support layers thickness is 20 ~ 50 μm；
Described SSZ is Sc2O3Stable ZrO2, i.e. Zr0.92Sc0.08O2；Described LSM is La0.8Sr0.2MnO3。
Embodiment three：Simple SOFC preparation side described in embodiment one or two
In method, step one, the SSZ dielectric substrates curtain coating method is as follows：
0.2 ~ 1.0mL dispersant triethanolamine is dissolved in the in the mixed solvent of 80 ~ 120mL ethanol and 50 ~ 150mL butanone,
80 ~ 120g SSZ powder, first ball milling 12 ~ 24 hours are added, then adds 0.5 ~ 2.0g polyvinyl butyral resin plasticizer successively
And 0.5 ~ 2.0g polyethylene glycol and 0.5 ~ 2.0g polymethyl methacrylate toughener, continue ball milling 12 ~ 24 hours, take
The air gone out inside slurry, vacuum defoamation, removal, is cast SSZ dielectric substrates, and the raw material and reagent purity being related to are analysis
It is pure.The bath surface scanning electron microscope (SEM) photograph of obtained simple SOFC is as shown in Figure 4.
Embodiment four：Simple SOFC preparation method described in embodiment one,
In step 2, the anode support casting method is as follows：
0.2 ~ 1.0mL dispersant triethanolamine is dissolved in the in the mixed solvent of 80 ~ 120mL ethanol and 50 ~ 150mL butanone,
The NiO and SSZ of 200-220 grams of addition, wherein NiO and SSZ mass ratio are 6:1 ~ 4, addition NiO and SSZ powders gross mass 10 ~
20% starch is as pore creating material, first ball milling 18 hours, then successively addition 0.5 ~ 2.0g polyvinyl butyral resin plasticizer and
0.5 ~ 2.0g polyethylene glycol and 0.5 ~ 2.0g polymethyl methacrylate toughener, continue ball milling 18 hours, take out slurry,
Air inside vacuum defoamation, removal, is cast anode support, and the raw material and reagent purity being related to are that analysis is pure.
Embodiment five：Simple SOFC preparation method described in embodiment one,
In step 2, the anode functional layer casting method is as follows：
0.2 ~ 1.0mL dispersant triethanolamine is dissolved in the in the mixed solvent of 80 ~ 120mL ethanol and 50 ~ 150mL butanone,
The NiO and SSZ of 200-220 grams of addition, wherein, NiO and SSZ mass ratio are 5:2 ~ 5, addition NiO and SSZ powders gross mass 5 ~
10% starch is as pore creating material, first ball milling 18 hours, then successively addition 0.5 ~ 2.0g polyvinyl butyral resin plasticizer and
0.5 ~ 2.0g polyethylene glycol and 0.5 ~ 2.0g polymethyl methacrylate toughener, continue ball milling 18 hours, take out slurry,
Air inside vacuum defoamation, removal, is cast anode functional layer, and the raw material and reagent purity being related to are that analysis is pure.
Embodiment six：Simple SOFC preparation method described in embodiment one,
In step 3, the cathode functional casting method is as follows：
0.2 ~ 1.0mL dispersant triethanolamine is dissolved in the in the mixed solvent of 80 ~ 120mL ethanol and 50 ~ 150mL butanone,
The LSM and SSZ of 200-220 grams of addition, wherein, LSM and SSZ mass ratio are 5:2 ~ 5, add NiO and SSZ powders gross mass 10
~ 20% starch is as pore creating material, ball milling 18 hours, then successively 0.5 ~ 2.0g of addition polyvinyl butyral resin plasticizer and
0.5 ~ 2.0g polyethylene glycol and 0.5 ~ 2.0g polymethyl methacrylate toughener, continue ball milling 18 hours, take out slurry,
Air inside vacuum defoamation, removal, is cast cathode functional, and the raw material and reagent purity being related to are that analysis is pure.
Embodiment seven：Simple SOFC preparation method described in embodiment one,
In step 3, the cathode support layers casting method is as follows：
0.2 ~ 1.0mL dispersant triethanolamine is dissolved in the in the mixed solvent of 80 ~ 120mL ethanol and 50 ~ 150mL butanone,
The LSM and SSZ of 200-220 grams of addition, wherein, LSM and SSZ mass ratio are 6:2 ~ 4, add NiO and SSZ powders gross mass 10
~ 25% starch is as pore creating material, first ball milling 18 hours, then successively addition 0.5 ~ 2.0g polyvinyl butyral resin plasticizer with
And 0.5 ~ 2.0g polyethylene glycol and 0.5 ~ 2.0g polymethyl methacrylate toughener, continue ball milling 18 hours, take out slurry
Air inside material, vacuum defoamation, removal, is cast cathode support layers, and the raw material and reagent purity being related to are that analysis is pure.System
The cathode support layers surface scan electron microscope of standby obtained simple SOFC is as shown in Figure 5.
Embodiment eight：Simple SOFC preparation method described in embodiment one,
Step 1: the parameter being cast described in two, three is respectively：
（1）Casting machine gait of march is 0.5 ~ 3cms-1；
（2）Increased thickness is 200 ~ 300 μm to scraper every time；
（3）It it is 0.5 ~ 1 hour per knife time interval；
（4）Curtain coating is carried out at room temperature, without pressurization.
Embodiment nine：Simple SOFC preparation method described in embodiment one,
In step 4, lamination is, pressurize 10 minutes under 2 ~ 5MPa pressure at 60 ~ 80 DEG C.
Embodiment ten：Simple SOFC preparation method described in embodiment one,
In step 5, high-temperature process condition is：With 0.25 ~ 3 DEG C/min heating rate, 4 ~ 8 hours are incubated at 1250 ~ 1400 DEG C.
Embodiment 1：
A kind of casting method of SSZ dielectric substrates is present embodiments provided, is comprised the following steps that：
0.5mL dispersant triethanolamine is dissolved in the in the mixed solvent of 100mL ethanol and 100mL butanone, 100g is added
SSZ powder, first ball milling 18 hours, then successively addition 1.0g polyvinyl butyral resin plasticizer and 1.0g polyethylene glycol and
1.0g polymethyl methacrylate toughener, continues ball milling 18 hours, takes out the air inside slurry, vacuum defoamation, removal,
It is 0.5-3 cms to set casting machine gait of march-1, scraper is highly 200-300 μm, is placed 0.5-1 hours, curtain coating SSZ electricity
Matter layer is solved, the raw material and reagent purity being related to are that analysis is pure.
Embodiment 2：
A kind of casting method of anode support is present embodiments provided, is comprised the following steps that：
0.5mL dispersant triethanolamine is dissolved in the in the mixed solvent of 100mL ethanol and 100mL butanone, 60g NiO are added
With 40g SSZ, 15g starch is added as pore creating material, first ball milling 18 hours, then 1.0g polyvinyl butyral resin is added successively
The polymethyl methacrylate toughener of plasticizer and 1.0g polyethylene glycol and 1.0g, continues ball milling 18 hours, takes out slurry
Air inside material, vacuum defoamation, removal, it is 0.5-3 cms to set casting machine gait of march-1, scraper is highly 200-300
μm, place 0.5-1 hours, be cast anode support, the raw material and reagent purity being related to are that analysis is pure.
Embodiment 3：
A kind of casting method of anode functional layer is present embodiments provided, is comprised the following steps that：
0.5mL dispersant triethanolamine is dissolved in the in the mixed solvent of 100mL ethanol and 100mL butanone, 50g NiO are added
With 50g SSZ, 5g starch is added as pore creating material, first ball milling 18 hours, then 1.0g polyvinyl butyral resin is added successively
The polymethyl methacrylate toughener of plasticizer and 1.0g polyethylene glycol and 1.0g, continues ball milling 18 hours, takes out slurry
Air inside material, vacuum defoamation, removal, it is 0.5-3 cms to set casting machine gait of march-1, scraper is highly 200-300
μm, place 0.5-1 hours, be cast anode functional layer, the raw material and reagent purity being related to are that analysis is pure.
Embodiment 4：
A kind of casting method of cathode functional is present embodiments provided, is comprised the following steps that：
1.0mL dispersant triethanolamine is dissolved in the in the mixed solvent of 100mL ethanol and 100mL butanone, 50g LSM are added
With 50g SSZ, 10g starch is added as pore creating material, first ball milling 18 hours, then 1.0g polyvinyl butyral resin is added successively
The polymethyl methacrylate toughener of plasticizer and 1.0g polyethylene glycol and 1.0g, continues ball milling 18 hours, takes out slurry
Air inside material, vacuum defoamation, removal, it is 0.5-3 cms to set casting machine gait of march-1, scraper is highly 200-300
μm, place 0.5-1 hours, be cast cathode functional, the raw material and reagent purity being related to are that analysis is pure.
Embodiment 5：
A kind of casting method of cathode support layers is present embodiments provided, is comprised the following steps that：
0.5mL dispersant triethanolamine is dissolved in the in the mixed solvent of 100mL ethanol and 100mL butanone, 60g LSM are added
With 40g SSZ, 20g starch is added as pore creating material, first ball milling 18 hours, then 1.0g polyvinyl butyral resin is added successively
The polymethyl methacrylate toughener of plasticizer and 1.0g polyethylene glycol and 1.0g, continues ball milling 18 hours, takes out slurry
Air inside material, vacuum defoamation, removal, it is 0.5-3 cms to set casting machine gait of march-1, scraper is highly 200-300
μm, place 0.5-1 hours, be cast cathode support layers, the raw material and reagent purity being related to are that analysis is pure.
Embodiment 6
The present embodiment provides a kind of simple SOFC and prepared and characterizing method, comprises the following steps that：
（1）Step is cast SSZ dielectric substrates as described in embodiment 1, and step flows successively on SSZ electrolyte as described in embodiment 2
Prolong anode functional layer and anode support, obtain biscuit A.
（2）The step as described in embodiment 3,4 is cast cathode functional and cathode support layers successively, obtains biscuit B.
（3）Biscuit A is cut into a diameter of 15 mm disk, biscuit B is cut into a diameter of 5 mm disk.
（4）The cathode function aspect of the above-mentioned biscuit A for cutting into fixed dimension SSZ electrolyte aspect and biscuit B is folded
It is added together, the min of pressurize 10 under 3 Mpa pressure at 75 DEG C, obtains a complete full battery biscuit.
（5）Above-mentioned full battery biscuit is placed in high temperature furnace, with 0.25-3 DEG C/min heating rate, at 1300 DEG C
Insulation 6 hours, prepares full battery.
The current-voltage of fuel cell（I-U）Curve test is to use hydrogen for fuel gas, and air is oxic gas, hydrogen
Flow is controlled with mass flowmenter, and collector is made with silver conductive adhesive, and air and oxygen are sealed off with devitrified glass, tests model
Enclose for 650 ~ 800 DEG C, every 50 DEG C of tests once, test result is shown in Fig. 6.
Claims (10)
1. a kind of simple SOFC preparation method, it is characterised in that：It the described method comprises the following steps：
Step one：It is cast SSZ dielectric substrates；
Step 2：Anode functional layer and anode support are cast on step one SSZ dielectric substrates, biscuit A is formed；
Step 3：Cathode functional is cast, and cathode support layers are cast in cathode functional, biscuit B is formed；
Step 4：The cathode function aspect of biscuit A SSZ electrolyte aspect and biscuit B is superimposed, obtained by lamination
One complete full battery biscuit；
Step 5：Full battery biscuit obtained by step 4 is put into high temperature furnace and is sintered.
2. a kind of simple SOFC preparation method according to claim 1, it is characterised in that：It is described
Fuel cell is made as integral structure by anode support, anode functional layer, dielectric substrate, cathode functional and cathode support layers successively
Into；
The anode support is by NiO phases and SSZ phase compositions, and anode support thickness is 500 ~ 700 μm；
The anode functional layer is by NiO phases and SSZ phase compositions, and anode functional layer thickness is 20 ~ 35 μm；
The dielectric substrate is by SSZ phase compositions, and dielectric substrate thickness is 10 ~ 20 μm；
The cathode functional is by LSM phases and SSZ phase compositions, and cathode functional thickness is 20 ~ 35 μm；
The cathode support layers are by LSM phases and SSZ phase compositions, and cathode support layers thickness is 20 ~ 50 μm；
Described SSZ is Sc2O3Stable ZrO2, i.e. Zr0.92Sc0.08O2；Described LSM is La0.8Sr0.2MnO3。
3. simple SOFC preparation method according to claim 1 or 2, it is characterised in that：Step
In one, the SSZ dielectric substrates curtain coating method is as follows：
0.2 ~ 1.0mL dispersant triethanolamine is dissolved in the in the mixed solvent of 80 ~ 120mL ethanol and 50 ~ 150mL butanone,
80 ~ 120g SSZ powder, first ball milling 12 ~ 24 hours are added, then adds 0.5 ~ 2.0g polyvinyl butyral resin plasticizer successively
And 0.5 ~ 2.0g polyethylene glycol and 0.5 ~ 2.0g polymethyl methacrylate toughener, continue ball milling 12 ~ 24 hours, take
The air gone out inside slurry, vacuum defoamation, removal, is cast SSZ dielectric substrates, and the raw material and reagent purity being related to are analysis
It is pure.
4. simple SOFC preparation method according to claim 1, it is characterised in that：Step 2
In, the anode support casting method is as follows：
0.2 ~ 1.0mL dispersant triethanolamine is dissolved in the in the mixed solvent of 80 ~ 120mL ethanol and 50 ~ 150mL butanone,
The NiO and SSZ of 200-220 grams of addition, wherein NiO and SSZ mass ratio are 6:1 ~ 4, addition NiO and SSZ powders gross mass 10 ~
20% starch is as pore creating material, first ball milling 18 hours, then successively addition 0.5 ~ 2.0g polyvinyl butyral resin plasticizer and
0.5 ~ 2.0g polyethylene glycol and 0.5 ~ 2.0g polymethyl methacrylate toughener, continue ball milling 18 hours, take out slurry,
Air inside vacuum defoamation, removal, is cast anode support, and the raw material and reagent purity being related to are that analysis is pure.
5. simple SOFC preparation method according to claim 1, it is characterised in that：Step 2
In, the anode functional layer casting method is as follows：
0.2 ~ 1.0mL dispersant triethanolamine is dissolved in the in the mixed solvent of 80 ~ 120mL ethanol and 50 ~ 150mL butanone,
The NiO and SSZ of 200-220 grams of addition, wherein, NiO and SSZ mass ratio are 5:2 ~ 5, addition NiO and SSZ powders gross mass 5 ~
10% starch is as pore creating material, first ball milling 18 hours, then successively addition 0.5 ~ 2.0g polyvinyl butyral resin plasticizer and
0.5 ~ 2.0g polyethylene glycol and 0.5 ~ 2.0g polymethyl methacrylate toughener, continue ball milling 18 hours, take out slurry,
Air inside vacuum defoamation, removal, is cast anode functional layer, and the raw material and reagent purity being related to are that analysis is pure.
6. simple SOFC preparation method according to claim 1, it is characterised in that：Step 3
In, the cathode functional casting method is as follows：
0.2 ~ 1.0mL dispersant triethanolamine is dissolved in the in the mixed solvent of 80 ~ 120mL ethanol and 50 ~ 150mL butanone,
The LSM and SSZ of 200-220 grams of addition, wherein, LSM and SSZ mass ratio are 5:2 ~ 5, add NiO and SSZ powders gross mass 10
~ 20% starch is as pore creating material, first ball milling 18 hours, then successively addition 0.5 ~ 2.0g polyvinyl butyral resin plasticizer with
And 0.5 ~ 2.0g polyethylene glycol and 0.5 ~ 2.0g polymethyl methacrylate toughener, continue ball milling 18 hours, take out slurry
Air inside material, vacuum defoamation, removal, is cast cathode functional, and the raw material and reagent purity being related to are that analysis is pure.
7. simple SOFC preparation method according to claim 1, it is characterised in that：Step 3
In, the cathode support layers casting method is as follows：
0.2 ~ 1.0mL dispersant triethanolamine is dissolved in the in the mixed solvent of 80 ~ 120mL ethanol and 50 ~ 150mL butanone,
The LSM and SSZ of 200-220 grams of addition, wherein, LSM and SSZ mass ratio are 6:2 ~ 4, add NiO and SSZ powders gross mass 10
~ 25% starch is as pore creating material, first ball milling 18 hours, then successively addition 0.5 ~ 2.0g polyvinyl butyral resin plasticizer with
And 0.5 ~ 2.0g polyethylene glycol and 0.5 ~ 2.0g polymethyl methacrylate toughener, continue ball milling 18 hours, take out slurry
Air inside material, vacuum defoamation, removal, is cast cathode support layers, and the raw material and reagent purity being related to are that analysis is pure.
8. simple SOFC preparation method according to claim 1, it is characterised in that：Step 1:
2nd, the parameter being cast described in three is respectively：
（1）Casting machine gait of march is 0.5 ~ 3cms-1；
（2）Increased thickness is 200 ~ 300 μm to scraper every time；
（3）It it is 0.5 ~ 1 hour per knife time interval；
（4）Curtain coating is carried out at room temperature, without pressurization.
9. simple SOFC preparation method according to claim 1, it is characterised in that：Step 4
In, lamination is, pressurize 10 minutes under 2 ~ 5MPa pressure at 60 ~ 80 DEG C.
10. simple SOFC preparation method according to claim 1, it is characterised in that：Step 5
In, high-temperature process condition is：With 0.25 ~ 3 DEG C/min heating rate, 4 ~ 8 hours are incubated at 1250 ~ 1400 DEG C.
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| CN109524675A (en) * | 2018-11-15 | 2019-03-26 | 辽宁石油化工大学 | A kind of solid oxide fuel cell and preparation method thereof |
| CN111082115A (en) * | 2019-12-10 | 2020-04-28 | 中国科学院上海应用物理研究所 | Method for improving performance of electrode film and solid oxide fuel cell obtained by method |
| CN111584882A (en) * | 2020-05-09 | 2020-08-25 | 宁波大学 | Solid oxide fuel cell with novel structure and preparation method thereof |
| CN112713294A (en) * | 2020-12-29 | 2021-04-27 | 深圳大学 | Dual-ion fuel cell and preparation method thereof |
| CN114914500A (en) * | 2022-04-27 | 2022-08-16 | 中国矿业大学 | Anti-carbon-deposition solid oxide fuel cell electrolyte and preparation method and application thereof |
| CN116845309A (en) * | 2023-08-31 | 2023-10-03 | 中石油深圳新能源研究院有限公司 | Solid oxide fuel cell and method for producing the same |
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| CN112713294A (en) * | 2020-12-29 | 2021-04-27 | 深圳大学 | Dual-ion fuel cell and preparation method thereof |
| CN112713294B (en) * | 2020-12-29 | 2022-11-22 | 深圳大学 | Dual-ion fuel cell and preparation method thereof |
| CN114914500A (en) * | 2022-04-27 | 2022-08-16 | 中国矿业大学 | Anti-carbon-deposition solid oxide fuel cell electrolyte and preparation method and application thereof |
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