CN102903945A - Method for preparing large-size flat plate type metal supporting solid oxide fuel cell - Google Patents
Method for preparing large-size flat plate type metal supporting solid oxide fuel cell Download PDFInfo
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Abstract
The invention discloses a method for preparing a large-size flat plate type metal supporting solid oxide fuel cell. The method comprises the following steps of respectively preparing a metal supporting layer, an anode layer and an electrolyte layer biscuit, and then sequentially stacking from bottom to top for hot pressing; carrying out high-temperature co-sintering to obtain a half cell; and depositing cathode slurry on the half cell with a screen printing or spraying method, and finally sintering a cathode in air of 700-800 DEG C or carrying out in-situ sintering on the cathode. The method has strong operability and is low in cost, the stable flat plate type metal supporting solid oxide fuel cell with a large size and high electrical performance can be obtained, and the method is convenient for continuous mass production. The layers of the prepared SOFC (Solid Oxide Fuel Cell) are tightly combined, the thickness, the porosity and the like of functional layers can be controlled, and the method has a good application prospect.
Description
Technical field
The present invention relates to a kind of method for preparing the flat metallic support type solid oxide fuel cell of large scale, belong to the solid fuel cell technical field.
Background technology
Solid Oxide Fuel Cell (SOFC) is the electrochemical appliance that a kind of chemical energy with hydrogen, natural gas and biogas fuel is converted into electric energy, but have the characteristics such as fuel rich, efficient are high, pollution-free, noiseless cogeneration, can be widely used in large-scale power station, distributed power station, automobile accessory power supply, family's cogeneration system etc.Although SOFC has many excellent performance, not yet move towards at present large-scale application, its main restricting factor is cost and life problems.The novel metal support structure is for traditional electrolyte-supported or electrode supporting structure, can improve the monocell mechanical strength, increase the battery thermal shock resistance, reduce the SOFC system cost, and help to solve the pile sealing and be connected a difficult problem, therefore metallic support SOFC worldwide attracts wide attention in the last few years, and becomes gradually new study hotspot in the SOFC research field.Since metal material, so that metallic support type SOFC has following advantage:
(1) compare with traditional ceramics support type SOFC, the high heat conductance of metallic matrix greatly reduces thermal gradient and the thermal stress of SOFC, has improved the thermal-shock resistance of SOFC;
(2) highly electron conductive of metal material helps to reduce the Ohmic resistance of SOFC, improves its electrical property;
(3) cheap metal material such as stainless steel etc. are used as the monocell supporter, can greatly reduce the preparation cost of SOFC;
(4) metal material is easily processed, and is conducive to supporter is processed into various required shapes;
(5) good flexible of metal support and the sealing of being convenient to the pile assembling with contact, thereby improve the stability of pile operation.
Chinese patent CN200580019112.0 discloses a kind of " Solid Oxide Fuel Cell ", the metallic support type solid oxide fuel cell that it is comprised of seven-layer structures such as metal supporting layer, active anode layer, dielectric substrate, reaction barrier layers, activated cathode layer, transition zone, negative electrode current collection layers.Because complex structure, technique are loaded down with trivial details, may cause that battery preparation process control difficulty is large, rate of finished products is low, and owing to mostly adopting expensive spraying process to prepare each functional layer, be unfavorable for business-like popularization.
Chinese patent application CN 1960047A discloses a kind of preparation method of low-temperature solid oxide fuel cell of porous metals support, adopt porous stainless steel as supporter, successively deposition anode film, electrolytic thin-membrane and reaction barrier layers on this supporter, then sintering at high temperature, prepare half-cell, at electrolyte side deposition cathode active layer and cathode contact layer, sintering in air is made monocell at last again; Simultaneously, this patent is also optionally flooded reforming catalyst in the porous metals side, has improved the suitability of fuel of battery.But making in advance of porous stainless steel base needs to spend certain cost, and, because this matrix sintering in advance, when its during with functional layer sintering such as anode, electrolyte, relatively be difficult to solve the problem of shrinkage coupling, bring certain difficulty to preparing large-area battery.Moreover, adopt the technique of successively deposition anode, electrolyte and reaction barrier layers in the long time of the preparation of each layer and the aspect cost such as dry, to have limited the efficient of batch production.
Summary of the invention
In order to overcome the prior art above shortcomings; the purpose of this invention is to provide a kind of method for preparing the flat metallic support type solid oxide fuel cell of large scale with good electrical chemical property, to realize the large-scale production of metallic support type solid oxide fuel cell.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of method for preparing the flat metallic support type solid oxide fuel cell of large scale comprises the steps:
A) prepare respectively the mixed slurry for preparing metal supporting layer, anode layer, dielectric substrate;
B) 3 kinds of mixed slurries step a) being prepared carry out respectively flow casting molding and drying, make respectively the biscuit of metal supporting layer, anode layer and dielectric substrate;
C) with step b) biscuit of the metal supporting layer, anode layer and the dielectric substrate that make is stacked from bottom to top successively, then carries out hot pressing 5～30 minutes under 60～85 ℃, 4～15Mp condition;
D) with step c) the compound biscuit that obtains of hot pressing cuts into behind the required size under the mixed atmosphere that inert atmosphere or inert atmosphere and reducing atmosphere form, carry out co-sintering in 1250～1400 ℃, makes half-cell;
E) adopt silk screen printing or spraying method deposition cathode slurry on half-cell;
F) in 700～850 ℃ of air, obtain the flat metallic support type solid oxide fuel cell of described large scale behind sintering or the in-situ sintering negative electrode.
As a kind of preferred version, the prescription of the mixed slurry of preparation metal supporting layer is as follows:
As a kind of preferred version, the prescription of the mixed slurry of preparation anode layer is as follows:
As a kind of preferred version, the prescription of the mixed slurry of preparation dielectric substrate is as follows:
As further preferred version, described metal-powder is the stainless steel powder, any one or a few in the stainless steel powder such as described stainless steel powder is 316,409,410,441,430, Fe22Cr.
As further preferred version, described anode powder is selected from the NiO-YSZ(yttria stabilized zirconia), the zirconia of NiO-SSZ(scandia stabilized), NiO-ScYSZ(yittrium oxide, scandium oxide stable zirconia altogether), the cerium oxide that mixes of NiO-SDC(samarium oxide), the cerium oxide that mixes of NiO-GDC(gadolinium oxide) in any one or a few.
As further preferred version, described electrolyte powder is selected from the YSZ(yttria stabilized zirconia), the zirconia of SSZ(scandia stabilized), ScYSZ(yittrium oxide, scandium oxide stable zirconia altogether), the cerium oxide that mixes of SDC(samarium oxide), the cerium oxide that mixes of GDC(gadolinium oxide) in any one or a few.
As further preferred version, described solvent is selected from any one or a few in dimethylbenzene, absolute ethyl alcohol, acetone, butanone, the butyl acetate; Described dispersant is selected from any one or a few among triethanolamine, acrylic copolymer BYK, methyl anyl alcohol, the acrylic resin DM-55; Described plasticiser is selected from any one or a few in benzoic ether B-50, polyethylene glycol, the dibutyl phthalate; Described binding agent is selected from any one or a few in polyvinyl butyral resin, acrylic resin B-72, the epoxy resin; Described pore creating material is selected from any one or a few in graphite, starch, ammonium oxalate, the ammonium carbonate.
As further preferred version, steps d) described in inert atmosphere be blanket of nitrogen or argon atmospher; The percent by volume that contains reducing atmosphere in the described mixed atmosphere is 2%～10%.
As further preferred version, step e) described in cathode slurry by powder LSM(oxidation Strontinum doped lanthanum manganite), LSCF(strontium oxide strontia and the iron oxide cobalt acid lanthanum of doped in lanthanum site and cobalt position respectively), BSCF(barium monoxide and the iron oxide cobalt acid lanthanum of doped in lanthanum site and cobalt position respectively), the lanthanum manganate that mixes simultaneously of LBSM(strontium oxide strontia and bismuth oxide), in the bismuth oxide that mixes of ESB-Ag(erbium-Yin) any one or a few or itself and the mixed powder of electrolyte powder form.
Battery structure by the method for the invention preparation is followed successively by metal supporting layer, anode layer, dielectric substrate and cathode layer from the inside to the outside, the thickness of described metal supporting layer is 100～1000 μ m, the thickness of described anode layer is 15～50 μ m, the thickness of described dielectric substrate is 10～40 μ m, and the thickness of described cathode layer is 10～50 μ m.
Compared with prior art, the present invention has following beneficial effect:
1) with respect to traditional anode supporting type solid oxide fuel cell, metallic support type solid oxide fuel cell of the present invention adopts low-cost stainless steel powder replacement nickel, YSZ, the cost of material is low, with the stainless steel powder as supporter, has preferably high-temperature oxidation resistance, and its thermal coefficient of expansion is close with traditional electrolyte YSZ, has avoided not mating the defectives such as electrolyte cracking that cause because of thermal coefficient of expansion in the high temperature co-firing knot process;
2) adopted suitable curtain coating prescription to obtain stable stainless steel powder casting slurry, so that the flow casting molding of stainless steel supporter becomes possibility, and the casting films that obtains has some strength, satisfies and the altogether requirement of hot pressing of anode casting films, electrolyte curtain coating film;
3) with respect to existing metallic support type solid oxide fuel cell technology, the flat metallic support type solid oxide fuel cell preparation method of large scale of the present invention technique is simple, can realize continuous, mass production, greatly reduce the preparation cost of battery;
4) supporter, anode and electrolyte adopt pressure sintering to combine and are prepared into half-cell by the high temperature co-firing knot, easily control each functional layer thickness and interface bond strength, and power of battery density is high, high conformity;
5) the metallic support type solid oxide fuel cell mechanical strength that obtains is high, and good heat conductivity is beneficial to the control local temperature, improves the useful life of pile;
6) the porous supporting body conductivity that obtains is high, can realize high porosity, is convenient to the inside reforming that impregnated catalyst is realized the fuel such as ethanol, methane, propane, thereby improves the suitability of fuel of battery, reduces operating cost;
7) the metallic support type solid oxide fuel of interior reformat has been simplified system simultaneously, can reduce the manufacturing cost of system;
8) cell cathode adopts sintering or in-situ sintering in the Cryogenic air, and is simple;
In sum, preparation method provided by the invention, not only cost is low, workable, curtain coating, the process costs that laminates are low, can obtain large scale (＞5cm * 5cm) high electrical performance and stable flat metallic support type solid oxide fuel cell are convenient to mass and are produced continuously, and between each layer of prepared SOFC battery in conjunction with closely, each functional layer thickness, porosity etc. are controlled, and can ensure the pile life-span, reduce system cost, have good application prospect.
Description of drawings
Fig. 1 is the prepared flat metallic support type SOFC of the large scale half-cell pictorial diagram of embodiment 1;
Fig. 2 is the Cross Section Morphology figure (SEM photo) of the prepared flat metallic support type SOFC of the large scale half-cell of embodiment 1;
Fig. 3 is prepared partial sweep Electronic Speculum (SEM) photo of the flat metallic support type SOFC of large scale monocell behind electro-chemical test of embodiment 2;
Fig. 4 is that the prepared flat metallic support type SOFC of the large scale monocell of embodiment 2 is at 750 ℃ of chemical property figure that record;
Fig. 5 is that the prepared flat metallic support type SOFC of large scale of embodiment 3 is at 700～800 ℃ of chemical property figure that record.
Embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is further elaborated.
Embodiment 1
In 50g 430 stainless steel powders, add successively solvent absolute ethyl alcohol 7g, butanone 3.5g, dispersant triethanolamine 6g, plasticiser dibutyl phthalate 3g, binding agent polyvinyl butyral resin 5g, pore creating material ammonium oxalate 20g; Add successively solvent xylene, each 3g of butyl acetate, dispersant DM-55 2g, plasticiser B-50 1g, binding agent B-722g in the anode powder (NiO, each 10g of YSZ powder); In 30g electrolyte YSZ powder, add successively solvent xylene, each 4g of butyl acetate, dispersant B YK 2g, plasticiser B-50 2g, binding agent B-72 3g;
Distinguish the above-mentioned three kinds of slurries of ball milling, and the slurry of mixing is sieved and vacuum treatment through screen cloth respectively, remove the slurry Air;
Above-mentioned 3 kinds of slurries are carried out respectively flow casting molding, obtain metal supporting layer, anode layer, dielectric substrate biscuit after the drying, and each biscuit is cut into the base substrate that meets dimensional requirement;
Metal supporting layer, anode layer, dielectric substrate biscuit is stacked successively from bottom to top, then carry out hot pressing 10min in 75 ℃, 6Mp, cut into again the square biscuit of 6cm * 6cm, at 4%H
2+ 96%N
2Mixed atmosphere under, 1300 ℃ carry out co-sintering, make half-cell; Fig. 1 is the pictorial diagram of the prepared half-cell of the present embodiment, and it is of a size of 5cm * 5cm, and as seen from Figure 1: the prepared half-cell of this enforcement has large-size, surfacing, no significant defect.
Fig. 2 is the Cross Section Morphology figure (SEM photo) of the prepared half-cell of the present embodiment, and as seen from Figure 2: the metal supporting layer of this half-cell is loose structure, and thickness is 280 μ m approximately; Anode layer also is approximately 48 μ m of loose structure (because under reducing atmosphere during sintering, the nickel oxide of anode layer is reduced, and produces gas, thereby has formed loose structure) thickness; Dielectric substrate is fine and close, and no significant defect, thickness be 17 μ m approximately; Each interlayer is in conjunction with tight, and flawless or lamination occur at the interface, and metal support layer and anode layer all are loose structures, and metal support layer aperture is large, porosity is high, is beneficial to the transmission of gas.
In 50g 430 stainless steel powders, add successively solvent absolute ethyl alcohol 15g, butanone 15g, dispersant B YK 15g, plasticiser dibutyl phthalate 8g, polyethylene glycol 8g, binding agent polyvinyl butyral resin 15g, pore creating material ammonium carbonate 60g; Add successively solvent xylene, each 7.5g of butyl acetate, dispersant DM-55 2.5g, plasticiser B-50 2.5g, binding agent B-72 2.5g in the anode powder (NiO, each 10g of YSZ powder); In 30g electrolyte YSZ powder, add successively solvent xylene, each 5g of butyl acetate, dispersant B YK 2.5g, plasticiser B-50 5g, binding agent B-72 7.5g;
Distinguish the above-mentioned three kinds of slurries of ball milling, and the slurry of mixing is sieved and vacuum treatment through screen cloth respectively, remove the slurry Air;
Above-mentioned 3 kinds of slurries are carried out respectively flow casting molding, obtain metal supporting layer, anode layer, dielectric substrate biscuit after the drying, and each biscuit is cut into the base substrate that meets dimensional requirement;
Metal supporting layer, anode layer, dielectric substrate biscuit is stacked successively from bottom to top, then carry out hot pressing 30min in 60 ℃, 15Mp, cutting into diameter is the round biscuit of 19mm again, at 5%H
2+ 95%N
2Mixed atmosphere under, 1250 ℃ carry out co-sintering, make diameter and be the circular half-cell of 15.5mm;
Electrolyte side at the gained half-cell adopts silk screen printing ESB-Ag cathode slurry, and battery testing process situ sintered cathode obtains the flat metallic support type SOFC of large scale.
Fig. 3 is partial sweep Electronic Speculum (SEM) photo of the flat metallic support type SOFC of the prepared large scale of this enforcement behind electro-chemical test; As seen from Figure 3: the metal supporting layer of this battery is loose structure, and thickness is 130 μ m approximately; Anode layer also is loose structure, and thickness is 30 μ m approximately; Dielectric substrate is fine and close, and no significant defect, thickness be 30 μ m approximately; Cathode layer porous, thickness be 10 μ m approximately; Each interlayer is in conjunction with tight, and flawless or lamination occur at the interface, and metal support layer and anode layer all are loose structures, and metal support layer aperture is large, porosity is high, is beneficial to the transmission of gas.
Fig. 4 for the flat metallic support type SOFC of the prepared large scale of this enforcement at 750 ℃ of chemical property curves that record, cathode side is that surrounding air, anode-side are 97%H
2+ 3%H
2O is shown by test result shown in Figure 4, and this battery has preferably electrical property at 750 ℃, and maximum power density is 535mW/cm
2
Embodiment 3
In 50g 430 stainless steel powders, add successively solvent absolute ethyl alcohol 7g, butanone 3.5g, dispersant triethanolamine 5g, BYK1g, plasticiser neck dibatyl phithalate 3g, binding agent polyvinyl butyral resin 5g, pore creating material ammonium oxalate 20g; Add successively solvent xylene, each 3g of butyl acetate, dispersant DM-552g, plasticiser B-50 1g, binding agent B-72 2g in the anode powder (NiO, each 10g of YSZ powder); In 30g electrolyte YSZ powder, add successively solvent xylene, each 4g of butyl acetate, dispersant DM-55 2g, plasticiser B-50 2g, binding agent B-72 3g;
Distinguish the above-mentioned three kinds of slurries of ball milling, and the slurry of mixing is sieved and vacuum treatment through screen cloth respectively, remove the slurry Air;
Above-mentioned 3 kinds of slurries are carried out respectively flow casting molding, obtain metal supporting layer, anode layer, dielectric substrate biscuit after the drying, and each biscuit is cut into the base substrate that meets dimensional requirement;
Metal supporting layer, anode layer, dielectric substrate biscuit is stacked successively from bottom to top, then carry out hot pressing 5min in 85 ℃, 4Mp, cutting into diameter is the round biscuit of 19mm again, at 4%H
2+ 96%N
2Under the mixed atmosphere, 1400 ℃ carry out co-sintering, make diameter and be the circular half-cell of 15.5mm, metal supporting layer, anode layer, dielectric substrate thickness are respectively 280 μ m, 50 μ m, 18 μ m.
Electrolyte side at the gained half-cell adopts silk screen printing ESB-Ag cathode slurry, and thickness is 20 μ m approximately, and battery testing process situ sintered cathode obtains the flat metallic support type SOFC of large scale.
Fig. 5 be the flat metallic support type SOFC of the prepared large scale of the present embodiment at 700～800 ℃ of chemical property curves that record, cathode side is that surrounding air, anode-side are 97%H
2+ 3%H
2O is shown by test result shown in Figure 5: this battery is respectively 334mW/cm at 700,750,800 ℃ of maximum power densities
2, 472mW/cm
2, 562mW/cm
2, have preferably electrical property.
In 50g 430 stainless steel powders, add successively solvent xylene 5g, butyl acetate 5g, dispersant triethanolamine 3g, plasticiser dibutyl phthalate 2g, binding agent polyvinyl butyral resin 3g, pore creating material ammonium carbonate 20g; Add successively solvent xylene, each 2.5g of butyl acetate, dispersant DM-55 1g, plasticiser B-50 0.5g, binding agent B-72 0.5g in the anode powder (NiO, each 10g of SSZ powder); In 30g electrolyte SSZ powder, add successively solvent xylene, each 10g of butyl acetate, dispersant DM-55 0.5g, plasticiser B-50 1g, binding agent B-72 1.5g;
The technique of all the other hot pressed sinterings is with embodiment 1, makes metal supporting layer, anode layer, dielectric substrate thickness and is respectively 100 μ m, 15 μ m, 40 μ m.
Electrolyte side at the gained half-cell adopts spraying process to prepare the LSCF cathode slurry, and thickness is 50 μ m approximately, and 850 ℃ of in-situ sintering negative electrodes obtain monocell.
Preparation technology is with embodiment 3, and just electrolyte changes ScYSZ into, because stacked technique is different, is respectively 1000 μ m, 50 μ m, 10 μ m so make metal supporting layer, anode layer, dielectric substrate thickness.
Electrolyte side at the gained half-cell adopts spraying process to prepare the BSCF cathode slurry, and thickness is 30 μ m approximately, and 800 ℃ of in-situ sintering negative electrodes obtain monocell.
With embodiment 5, just the electrolyte side at the gained half-cell adopts silk screen printing ESB-LBSM composite cathode slurry, and thickness is 20 μ m approximately, and 700 ℃ of in-situ sintering negative electrodes obtain monocell.
Be necessary at last in this explanation to be: above embodiment only is used for technical scheme of the present invention is described in more detail; can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art's foregoing according to the present invention is made and adjustment all belong to protection scope of the present invention.
Claims (8)
1. a method for preparing the flat metallic support type solid oxide fuel cell of large scale is characterized in that, comprises the steps:
A) prepare respectively the mixed slurry for preparing metal supporting layer, anode layer, dielectric substrate;
B) 3 kinds of mixed slurries step a) being prepared carry out respectively flow casting molding and drying, make respectively the biscuit of metal supporting layer, anode layer and dielectric substrate;
C) with step b) biscuit of the metal supporting layer, anode layer and the dielectric substrate that make is stacked from bottom to top successively, then carries out hot pressing 5～30 minutes under 60～85 ℃, 4～15Mp condition;
D) with step c) the compound biscuit that obtains of hot pressing cuts into behind the required size under the mixed atmosphere that inert atmosphere or inert atmosphere and reducing atmosphere form, carry out co-sintering in 1250～1400 ℃, makes half-cell;
E) adopt silk screen printing or spraying method deposition cathode slurry on half-cell;
F) in 700～850 ℃ of air, obtain the flat metallic support type solid oxide fuel cell of described large scale behind sintering or the in-situ sintering negative electrode.
2. the method for preparing the flat metallic support type solid oxide fuel cell of large scale according to claim 1 is characterized in that, the prescription of the mixed slurry of preparation metal supporting layer is as follows:
The prescription of the mixed slurry of preparation anode layer is as follows:
The prescription of the mixed slurry of preparation dielectric substrate is as follows:
3. the method for preparing the flat metallic support type solid oxide fuel cell of large scale according to claim 2, it is characterized in that: described metal-powder is the stainless steel powder.
4. the method for preparing the flat metallic support type solid oxide fuel cell of large scale according to claim 2, it is characterized in that: described anode powder is selected from the NiO-YSZ(yttria stabilized zirconia), the zirconia of NiO-SSZ(scandia stabilized), NiO-ScYSZ(yittrium oxide, scandium oxide stable zirconia altogether), the cerium oxide that mixes of NiO-SDC(samarium oxide), the cerium oxide that mixes of NiO-GDC(gadolinium oxide) in any one or a few.
5. the method for preparing the flat metallic support type solid oxide fuel cell of large scale according to claim 2, it is characterized in that: described electrolyte powder is selected from the YSZ(yttria stabilized zirconia), the zirconia of SSZ(scandia stabilized), ScYSZ(yittrium oxide, scandium oxide stable zirconia altogether), the cerium oxide that mixes of SDC(samarium oxide), the cerium oxide that mixes of GDC(gadolinium oxide) in any one or a few.
6. the method for preparing the flat metallic support type solid oxide fuel cell of large scale according to claim 2, it is characterized in that: described solvent is selected from any one or a few in dimethylbenzene, absolute ethyl alcohol, acetone, butanone, the butyl acetate; Described dispersant is selected from any one or a few among triethanolamine, acrylic copolymer BYK, methyl anyl alcohol, the acrylic resin DM-55; Described plasticiser is selected from any one or a few in benzoic ether B-50, polyethylene glycol, the dibutyl phthalate; Described binding agent is selected from any one or a few in polyvinyl butyral resin, acrylic resin B-72, the epoxy resin; Described pore creating material is selected from any one or a few in graphite, starch, ammonium oxalate, the ammonium carbonate.
7. the method for preparing the flat metallic support type solid oxide fuel cell of large scale according to claim 1, it is characterized in that: the inert atmosphere steps d) is blanket of nitrogen or argon atmospher; The percent by volume that contains reducing atmosphere in the described mixed atmosphere is 2%～10%.
8. the method for preparing the flat metallic support type solid oxide fuel cell of large scale according to claim 1, it is characterized in that: the cathode slurry step e) is by powder LSM(oxidation Strontinum doped lanthanum manganite), the cobalt acid lanthanum of LSCF(strontium oxide strontia and iron oxide difference doped in lanthanum site and cobalt position), the cobalt acid lanthanum of BSCF(barium monoxide and iron oxide difference doped in lanthanum site and cobalt position), the lanthanum manganate that LBSM(strontium oxide strontia and bismuth oxide mix simultaneously), in the bismuth oxide that the ESB-Ag(erbium mixes-Yin) any one or a few or its with the mixed powder composition of electrolyte powder.
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| CN114335586A (en) * | 2022-01-04 | 2022-04-12 | 苏州华清京昆新能源科技有限公司 | Method for improving flatness of product after sintering of semi-cell isolation layer |
| WO2022193524A1 (en) * | 2021-03-19 | 2022-09-22 | 东睦新材料集团股份有限公司 | Method for preparing metal support plate for fuel cell |
| WO2023087446A1 (en) * | 2021-11-22 | 2023-05-25 | 东睦新材料集团股份有限公司 | Method for manufacturing metal support plate for fuel cell |
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| CN103613105B (en) * | 2013-11-25 | 2016-01-06 | 中国科学院宁波材料技术与工程研究所 | Monocell, its preparation method and application |
| CN103682406A (en) * | 2013-12-14 | 2014-03-26 | 济南开发区星火科学技术研究院 | Solid oxide fuel cell employing natural gas |
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