WO2007020863A1 - 固体電解質型燃料電池用の酸化ニッケル粉末材料、その製造方法、それに用いられる原料組成物及びそれを用いた燃料極材料 - Google Patents
固体電解質型燃料電池用の酸化ニッケル粉末材料、その製造方法、それに用いられる原料組成物及びそれを用いた燃料極材料 Download PDFInfo
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- WO2007020863A1 WO2007020863A1 PCT/JP2006/315807 JP2006315807W WO2007020863A1 WO 2007020863 A1 WO2007020863 A1 WO 2007020863A1 JP 2006315807 W JP2006315807 W JP 2006315807W WO 2007020863 A1 WO2007020863 A1 WO 2007020863A1
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- H01M2008/1293—Fuel cells with solid oxide electrolytes
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- H01M4/90—Selection of catalytic material
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
- H01M4/9025—Oxides specially used in fuel cell operating at high temperature, e.g. SOFC
- H01M4/9033—Complex oxides, optionally doped, of the type M1MeO3, M1 being an alkaline earth metal or a rare earth, Me being a metal, e.g. perovskites
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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
Definitions
- Nickel oxide powder material for solid oxide fuel cell method for producing the same, raw material composition used therefor, and fuel electrode material using the same
- the present invention relates to a nickel oxide powder material for a solid oxide fuel cell, a production method thereof, a raw material composition used therefor, and a fuel electrode material using the same, and more specifically, a solid electrolyte fuel
- the heat shrinkage rate is reduced during firing to reduce the shrinkage difference from other components, and the occurrence of cracks, delamination, warpage, etc. during firing is suppressed.
- the cell voltage drop rate can be reduced by suppressing structural deterioration of the fuel electrode.
- the present invention relates to a nickel oxide powder material, an efficient manufacturing method thereof, a raw material composition used therefor, and a fuel electrode material using the same.
- a solid oxide fuel cell has a structure in which an air electrode, a solid electrolyte, and a fuel electrode are sequentially stacked.
- the fuel electrode is, for example, a nickel electrolyte or a solid electrolyte composed of oxidized echenole and a stabilized dinoleconia
- the air electrode is porous LaMnO
- the solid electrolyte is stabilized zirconia (ZrO), etc. It has been.
- the oxygen taken from the air electrode side and the hydrogen on the fuel electrode side react electrochemically through the solid electrolyte to generate an electromotive force.
- a cell supporting portion generally an electrolyte or a fuel electrode
- a method is employed in which a tape molded product of another constituent member is laminated thereon or a slurry is applied for adhesion, followed by firing.
- the fuel electrode, the electrolyte are usually used.
- a method of simultaneously firing at least two of each constituent material such as an air electrode is employed.
- the fired product is cracked or peeled off or warped due to differences in the heat shrinkage rate of the components used for the fuel electrode, electrolyte, and air electrode.
- the fuel gas leaks from the cell or the power generation characteristics deteriorate.
- a cylindrical type it is manufactured by applying a slurry of a material constituting an electrode and an electrolyte to a cylindrical support, followed by firing.
- the heat shrinkage rate of each member is not matched when it is manufactured by the co-firing method, it may cause problems such as cracking, peeling and bending as in the flat plate type.
- the solid electrolyte laminated at the time of firing in the co-firing method may not be densified and its characteristics may deteriorate.
- the solid oxide fuel cell has a high operating temperature of 700 to 1000 ° C and a high output and high energy compared to other types of fuel cells such as solid polymer fuel cells. While it is characterized by efficiency, there is a problem that long-term durability is strongly required of the constituent materials because it is operated at high temperature.
- the reaction interface three-phase interface
- the problem was voltage drop due to decrease or separation of fuel electrode from electrolyte due to oxidation due to decrease or fuel gas supply abnormality during operation.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2001-185160 (Page 1, Page 2)
- Patent Document 2 JP 2001-118589 (first page, second page)
- Patent Document 3 JP 2006-80059 (first page, second page)
- Patent Document 4 JP-A-2005-108859 (first page, second page)
- Patent Document 5 Japanese Patent Laid-Open No. 2005-19261 (Page 1, Page 2)
- Patent Document 6 JP-A-8-306361 (Page 1, Page 2)
- the object of the present invention is to reduce the heat shrinkage rate at the time of firing when used as a fuel electrode material for a solid oxide fuel cell. After the exposure of the fuel electrode to an oxidizing atmosphere due to abnormal fuel gas supply, etc. Even in power generation after re-reduction, the nickel oxide powder material that can reduce the cell voltage drop rate by suppressing the deterioration of the structure of the fuel electrode, its efficient manufacturing method, the raw material composition used for it, and the The object is to provide a fuel electrode material used.
- a nickel oxide powder material used for a fuel electrode material constituting a solid oxide fuel cell a nickel oxide powder material used for a fuel electrode material constituting a solid oxide fuel cell
- compositional formula NiM O
- a Nikkkenole powder material is provided.
- the metal element (M) is
- nickel oxide powder material characterized by being at least one element selected from Al, Cr, Mn, Fe, Mo, Ga, La, or Nd.
- the metal element in the first or second invention, the metal element (
- the content of M) is a nickel oxide powder material characterized in that it is an amount sufficient to suppress structural deterioration of the fuel electrode.
- the content ratio of the metal element (M) is 0.01 to 5 mol% with respect to the total amount of nickel.
- Oxidized nickel A Kel powder material is provided.
- the spinel is formed on a surface of nickel oxide powder or an interface between the powders.
- Nickenore powder material is provided.
- the nickel oxide powder material is subjected to pressure molding.
- the resulting nickel oxide powder material is characterized in that the heat shrinkage ratio of the pellets obtained at 1400 ° C is 10 to 13%.
- a method for producing a nickel oxide powder material according to any one of the first to sixth inventions, wherein the raw material is dry-mixed at a predetermined ratio and calcined in an oxidizing atmosphere at 500 to 1200 ° C. Is done.
- a water-soluble salt of a metal element (M) capable of forming a spinel represented by a composition formula: NiM0 with nickel oxide in an aqueous solution of a nickel salt The
- the nickel hydroxide containing the metal element is crystallized from this nickel salt aqueous solution after being dissolved at a predetermined ratio, and then the nickel hydroxide is calcined at 500 to 1200 ° C. in an oxidizing atmosphere.
- a method for producing a nickel oxide powder material according to any one of the first to sixth inventions is provided.
- a raw material composition used for the nickel oxide powder material according to any one of the first to sixth inventions characterized by comprising a kenole powder or a nickel hydroxide powder.
- the metal element (M) is
- a raw material composition characterized by being at least one element selected from Al, Cr, Mn, Fe, Mo, Ga, La, or Nd.
- a fuel electrode material for a solid oxide fuel cell comprising a solid electrolyte mixed with the nickel oxide powder material of any of the 1st to 6th inventions. Offer Provided.
- the mixing ratio of the nickel oxide powder material and the solid electrolyte is 30 to 30 by mass ratio.
- 70 A fuel electrode material for a solid oxide fuel cell, characterized by being 70-30, is provided.
- the voltage drop rate after one cycle in the oxidation-rereduction cycle of the formed fuel electrode is 5% or less.
- a fuel electrode material for a solid oxide fuel cell is provided.
- the nickel oxide powder material for a solid oxide fuel cell of the present invention has a composition formula: NiM 2 O (where M is a metal element) inside or on the surface of the nickel oxide powder or at the interface between the powders.
- the nickel oxide powder material is used as a fuel electrode material
- the fuel electrode is once exposed to an oxidizing atmosphere due to abnormal fuel gas supply during power generation.
- the cell voltage drop rate can be reduced compared to the conventional one by suppressing the structural deterioration of the fuel electrode.
- the voltage drop rate after repeating the oxidation-re-reduction cycle can be reduced as compared with the conventional one.
- the metal element (M) that forms the spinel is not contained, among the constituent materials of the fuel electrode, particularly in the nickel oxide powder having a large heat shrinkage, the normal heating temperature in the firing step or the same It is possible to reduce the heat shrinkage rate at the above temperatures. Therefore, in the fuel electrode used together with other components such as the stabilized zirconia of the present invention, the shrinkage difference from other components during firing is mitigated, and the occurrence of cracking, peeling, warping, etc. of the fuel electrode is prevented. In addition, it has the same or better conductivity than the conventional fuel electrode material, and the open porosity of the obtained fuel electrode is almost the same as that of the conventional fuel electrode.
- the nickel oxide powder material of the present invention can prevent the occurrence of cracking, peeling, warping, etc. of the fuel electrode during firing in the preparation of the fuel electrode, and a solid oxide using the same Since the reliability of the cell is improved during the operation of the fuel cell, its industrial value is extremely high.
- the production method of the present invention can efficiently perform the above-mentioned nickel oxide powder. This is a useful method because the material can be manufactured.
- FIG. 1 is a process diagram of a method for producing a fuel electrode for evaluating power generation characteristics.
- the nickel oxide powder material for the solid oxide fuel cell according to the present invention the production method thereof, the raw material composition used therefor, and the fuel electrode material using the same will be described in detail.
- a nickel oxide powder material for a solid oxide fuel cell according to the present invention is a nickel oxide powder material used as a fuel electrode material constituting a solid oxide fuel cell, and the inside or surface of the nickel oxide powder or between the powders.
- the metal element (M) is not particularly limited, and the composition formula is: NiM 2 O
- the force used by the metal element that forms the spinel represented by 2 is especially Al, Cr, M
- At least one element selected from n, Fe, Mo, Ga, La, or Nd is preferred.
- Al, Cr, Mn, Fe, and La are more preferred, and Cr or Mn is more preferred.
- NiM 2 O (wherein M represents a metal element) is represented inside or on the surface of the nickel oxide powder or at the interface between the powders.
- M metal element
- this nickel oxide powder material is used as a fuel electrode material, It is possible to reduce the cell voltage drop rate by suppressing the structural deterioration of the fuel electrode in the oxidation-reduction cycle of the cell due to the abnormal supply of gas. In addition, the heat shrinkage rate at the time of firing is reduced as compared with the nickel oxide powder that does not contain the metal element (M) that forms the spinel.
- the reason for this is that in the production of the nickel oxide powder material from the raw material composition, in the firing operation performed as necessary, or in the sintering process performed for the formation of the fuel electrode, the surface of the nickel oxide powder, Spinel represented by the composition formula: NiM O at the interface between powders
- the spinel is formed again, and significant deterioration of the fuel electrode structure can be suppressed. Even if it goes, characteristic deterioration can be suppressed significantly. Therefore, the reliability of the cell characteristics in the oxidation-reduction cycle of the cell due to abnormal fuel gas supply is greatly improved.
- the content of the metal element (M) is set to an amount sufficient to suppress structural deterioration of the fuel electrode when used as a fuel electrode material.
- the content ratio of the metal element (M) is not particularly limited, but 0.01 to 5 mol% is preferable with respect to the total amount of nickel, and 0.05 to 2 mol% is more preferable. Mashigu 0.:! ⁇ lmol% is even better. That is, when the content ratio of the metal element (M) is less than 0.01 mol% with respect to the total amount of nickel, the effect of reducing the heat shrinkage rate and the voltage drop is not sufficient. Therefore, it is impossible to prevent cracking, peeling, warping, etc. of the electrode in the firing process.
- the effect of suppressing deterioration of the fuel electrode structure is not sufficient when exposed to an oxidizing atmosphere due to equipment abnormalities.
- the content of the metal element (M) exceeds 5 mol% with respect to the total amount of nickel, the power generation characteristics may be adversely affected.
- a fuel electrode material composed of nickel oxide powder containing lmol% Cr with respect to Ni as a fuel electrode and yttria-stabilized ginoleconia (YSZ), and lanthanum strontium manganite (LSM) as an air electrode And YSZ as the electrolyte were fabricated, and the power generation characteristics at 900 ° C were evaluated by the three-terminal method.
- the current density was between 0 and 0.5 A / cm 2 between the reference electrode and the fuel electrode.
- the potential difference is as good as 0.9-0.75V.
- a fuel electrode material composed of NiSkenole powder and YSZ containing more than 5 mol% Cr with respect to Ni is used as the fuel electrode in this single cell, the current density becomes large with a voltage drop of 0.3 AZcm 2 The current can be taken out only to the extent. This is because the power of nickel oxide is reduced to metal nickel during power generation, and chromium oxide exists in its original form, so the amount of chromium oxide, which has a much higher specific resistance compared to metal nickel, increases. One of the causes is considered to adversely affect the conductivity.
- the specific resistance of nickel at room temperature is 6.84 ⁇ 10 _6 ⁇ 'cm, and the specific resistance of chromium oxide at room temperature is 10 5 ⁇ ' cm.
- the nickel oxide that is the main component is not particularly limited, and a part of nickel is not limited to Mg, Ca, Sr, Ba, Co, Cu, Mn, or Zn. Those substituted with at least one selected element can be used.
- the nickel spinel having a spinel structure is formed in the firing process for producing the fuel electrode, so that the sintering of the nickel oxide powder material is suppressed and the heat shrinkage rate is greatly increased. Reduced to Therefore, the difference in shrinkage from other constituent members during firing is alleviated, and the occurrence of cracking, peeling, warping, etc. of the fuel electrode can be prevented. That is, the heat shrinkage rate at 1400 ° C. of a pellet obtained by pressure-molding a nickel oxide powder that does not contain the metal element (M) that forms the spinel is about 17%.
- the metal element (M) force is at least one element selected from Al, Cr, Mn, Fe, Mo, Ga, La, or Nd
- the nickel oxide powder material containing these is pressure-formed.
- the heat shrinkage rate of the pellets obtained at 1400 ° C is greatly reduced.
- the metal element (M) is iron or manganese, 10 to 13% is obtained. Therefore, in the fuel electrode obtained by using this, the difference in shrinkage from other components during the firing is alleviated. Therefore, cracking, peeling, warping, etc. of the fuel electrode are also caused in the firing process by the co-firing method. Can be prevented.
- the method for measuring the heat shrinkage rate of the pellet obtained by pressure-molding the nickel oxide powder material will be described in Examples.
- the open porosity of the fuel electrode containing a predetermined amount of the metal element (M) is almost different from that of the fuel electrode of Nikkenore oxide powder not containing the metal element (M) forming the spinel. Nare ,.
- the open porosity is 21%, and even if the addition rate increases, the open porosity does not change greatly, and the pores (pores) necessary for the electrode are not adversely affected.
- the conductivity (specific resistance) of the fuel electrode containing a predetermined amount of the metal element (M) is almost the same as that of the nickel oxide powder fuel electrode not containing the metal element (M) forming the spinel. Absent.
- nickel spinel particularly on the surface of nickel oxide powder or on the interface between powders, spinel force is applied to the surface of nickel oxide powder to be reduced or on the interface between powders during power generation.
- many reaction interfaces are formed, and the electrode characteristics can be improved.
- nickel spinel is regenerated on the surface or interface of the particles, so the effect of suppressing deterioration of the electrode structure is great.
- nickel spinel is formed on the surface and interface of the nickel oxide powder during firing, it effectively prevents the fuel electrode from cracking, peeling off, warping, etc. be able to.
- the raw material composition used for the nickel oxide powder material includes a nickel component as a main component and a composition represented by a composition formula: NiM 2 O (where M represents a metal element) during firing.
- Nickel oxide powder or nickel hydroxide powder containing a metal element (M) component that forms a channel is used.
- the metal element (M) at least one element selected from Al, Cr, Mn, Fe, Mo, Ga, La, or Nd is selected.
- the content of the metal element (M) is set to an amount sufficient to suppress the deterioration of the structure of the fuel electrode when used as the fuel electrode material. For example, the content ratio of the metal element (M) is adjusted to 0.01 to 5 mol% with respect to the total amount of nickel in order to obtain a nickel oxide powder material having a predetermined composition.
- the method for producing the nickel oxide powder material is not particularly limited, and nickel oxide (NiO), which is a main component, and spinel represented by the composition formula: NiM 2 O coexist.
- a dry method first, as a raw material composition, a nickel component as a main component and a composition formula when fired: NiM 2 O (wherein M represents a metal element). Be done
- nickel oxide powder raw material nickel oxide and a spinel represented by a composition formula: NiM 2 O
- the metal element oxide powder raw material that can be formed is dry-mixed at a predetermined ratio, and the raw material composition is calcined at 500 to 1200 ° C. in an oxidizing atmosphere such as air. I can.
- the raw material composition is, for example, 1200 to 1500 ° C in a sintering process performed for forming a fuel electrode using a fuel electrode material obtained by mixing this and a solid electrolyte. Since the spinel is formed by firing at such a high temperature, firing at 500 ° C. to 1200 ° C. can be omitted in some cases. That is, the raw material composition forms a nickel oxide powder raw material, nickel oxide and a spinel represented by the composition formula: NiM 2 O
- the metal element (M) oxide powder raw material is not particularly limited.
- hydroxides or carbonates that change to oxides upon firing can also be used.
- the form of the oxide, hydroxide or carbonate is not particularly limited.
- iron oxide includes ferric trioxide (Fe 2 O 3), iron monoxide (Fe 0), and tetraoxide.
- Triiron Fe 2 O 3
- Fe (OH) 2 ferrous hydroxide
- Ferrous (FeO (OH)), iron carbonate (FeCO), etc. can be used. Also oxidation
- Manganese (Mn (OH) Manganese hydroxide
- Mn (OH) Manganese hydroxide
- the purity of the metal element (M) oxide powder is not particularly limited, and, for example, a commercially available reagent grade 1 level is used. Further, the particle size of the metal element (M) oxide powder is not particularly limited, but a particle size measuring device (Microtrac
- the primary particle diameter measured by the laser diffraction ′ scattering method is preferably 1 ⁇ m or less.
- the mixing ratio of the metal element (M) oxide is the same as that in the case of the content ratio of the metal element (M) in the nickel oxide powder material.
- the proportion of M) is preferably 0.01 to 5 mol%.
- a blender for the dry mixing, a blender, a mixer, a ball mill, a sand mill, a vibration mill, or the like can be suitably used.
- various resin balls such as Zinoleconia balls and nylon balls can be preferably used.
- the particle size of the nickel oxide powder raw material used in the dry mixing method is not particularly limited, but using a particle size measuring device (Microtrac 9320-X100, manufactured by Microtrac Inc),
- the primary particle size measured by the laser diffraction 'scattering method is preferably lzm or less. That is, when the particle size exceeds: m, it is not preferable because it may affect the power generation characteristics due to a decrease in the reaction interface (three-phase interface) formed by the solid electrolyte, nickel metal, and pores during operation. .
- the particle size of the oxide powder raw material of the above metal element (M) is not particularly limited, but it should be equal to or smaller than the particle size of the nickel oxide powder raw material for uniform mixing. And are preferred.
- the following wet method is used as another method for producing the nickel oxide powder material.
- NiM 2 O As a raw material composition, a nickel component as a main component and a composition formula when fired: NiM 2 O (
- M represents a metal element.
- M represents a metal element.
- NiM 2 O nickel oxide and a metal that forms a spinel represented by a composition formula: NiM 2 O in an aqueous solution of nickel salt
- the precursor nickel hydroxide is crystallized from this nickel salt aqueous solution.
- the metal element (M) also crystallizes at the same time as the crystallization of Nikkenore hydroxide.
- the metal element (M) oxide is crystallized.
- the water-soluble salt of the nickel salt and the metal element (M) is preferably a non-metal element salt that does not remain in the nickel oxide powder after firing, for example, chloride.
- NiM 2 O As a raw material composition, a nickel component as a main component and a composition formula when fired: NiM 2 O (
- M represents a metal element.
- M metal element
- the nickel oxide powder is dispersed and mixed in an aqueous solution of a salt such as a chloride containing a metal element (M) that forms a spinel, and then dried. Thereafter, the dried product is fired at 500 to 1200 ° C. in an oxidizing atmosphere.
- a salt such as a chloride containing a metal element (M) that forms a spinel
- M metal element
- the dried product is fired at 500 to 1200 ° C. in an oxidizing atmosphere.
- an air dryer, a vacuum dryer, a medium fluidized dryer, a slurry dryer, a spray dryer, or the like can be used.
- a general firing furnace such as a pine furnace, a tubular furnace, a pot furnace, a rolling furnace, a pusher furnace, or a burner furnace can be used.
- the firing temperature in the case where the precursor nickel hydroxide is fired, the power that can be converted into nickel oxide at a temperature of 300 ° C. or higher is a fuel electrode for a solid oxide fuel cell.
- a nickel oxide powder material that can be suitably used for the present invention, it is not particularly limited, but it can form a spinel in an oxidizing atmosphere such as air at 500 to 1200 ° C.
- Baking is preferably performed at a temperature of 800 to 1200 ° C. That is, if the firing temperature is less than 500 ° C, the formation of spinel is not achieved, whereas if it exceeds 1200 ° C, sintering proceeds too much and the load of pulverization increases.
- the oxidized nickel powder will sinter and form grain growth or secondary particles, so it is important to determine the desired firing conditions according to the expected properties of the oxidized nickel powder.
- sintered particles can be reground and used as a fuel electrode material.
- the particle diameter of the nickel oxide powder material obtained by the above production method is not particularly limited, but laser diffraction using a particle diameter measuring device (Microtrac 9320-X100, manufactured by Microtrac Inc).
- the primary particle size measured by the scattering method is preferably: m or less. In other words, if the particle size exceeds 1 zm, the power generation characteristics may be affected due to a decrease in the reaction interface (three-phase interface) formed by the solid electrolyte, nickel metal, and pores during operation. Absent.
- the fuel electrode material for a solid oxide fuel cell of the present invention is obtained by blending a solid electrolyte with the above nickel oxide powder material.
- the nickel oxide powder material, the solid electrolyte and other components are kneaded to form a fuel electrode material paste.
- sintering is performed in an oxidizing atmosphere at 1200-1500 ° C.
- a cell supporting portion generally an electrolyte or a fuel electrode
- a method for manufacturing a solid oxide fuel cell in the case of a flat plate type, a cell supporting portion, generally an electrolyte or a fuel electrode, is generally formed by tape molding or extrusion molding.
- a method is applied in which a tape or a slurry for laminating a tape molded product of another constituent member is applied and adhered thereon, followed by firing.
- a method of simultaneously firing at least two components such as a fuel electrode, an electrolyte, and an air electrode is employed.
- a cylindrical type it is manufactured by applying a slurry of the material constituting the electrode and the electrolyte to a cylindrical support, followed by firing.
- the mixing ratio of the nickel oxide powder material and the solid electrolyte in the fuel electrode material is not particularly limited. From the standpoint of thermal expansion coefficient consistency and the balance between mechanical strength and electrical conductivity, Amount]; 30 to 70: 70 to 30 force S, preferably 35 to 65: 65 to 35 force S.
- the solid electrolyte is not particularly limited, and yttria-stabilized dinoleconia, scandia-stabilized zirconia, and oxygen ion conductors such as ceria doped with 10 to 35 mol% of samaria, gadria, yttria, etc. are used.
- the operating force S is 700 to 1000 ° C
- yttria stabilized zircoure or scandia stabilized zircoure is more preferable.
- abnormal gas supply occurs during power generation.
- the particle diameter and specific surface area of the powder raw material used in the examples and comparative examples, the analysis of the nickel oxide powder material or its raw material composition, the measurement of the heat shrinkage rate, the conductivity (specific resistance) of the fuel electrode material and the The method for measuring porosity and evaluating the power generation characteristics of a single cell is as follows.
- the pressure-molded pellets are heated in the atmosphere at a heating rate of 10 ° CZ and fired at 1500 ° C for 3 hours. After that, a 3mm x 3mm x 25mm rectangular parallelepiped is cut out from the sintered body and reduced to 4% hydrogen in a 96% nitrogen atmosphere at 950 ° C for 3 hours to obtain a measurement sample. It was.
- the fuel electrode oxidation-rereduction cycle was performed as follows, and the power generation characteristics were evaluated by the same method as described above to determine the voltage drop rate after the fuel electrode oxidation-rereduction cycle.
- the fuel electrode side is first purged with argon gas, then air is blown in for 1 hour or more to completely oxidize the fuel electrode, and then purged with argon gas again.
- the anode was re-reduced through 5% humidified hydrogen.
- a measurement fuel electrode was obtained according to the process diagram shown in FIG. Figure 1 shows a process diagram of a method for producing a fuel electrode for evaluation of power generation characteristics.
- nickel oxide powder material 1 and yttria-stabilized ginoleconia 2 are weighed to a weight ratio of 65:35 and mixed using a mortar to obtain an electrode material.
- terpineol as a solvent and ethylcellulose 3 as a thickener or a substance contributing to the pore structure of the electrode are added in an amount of 5% by weight based on the total amount of the electrode material, and then kneaded 4 to obtain a paste.
- the paste was applied on a YSZ sintered disk having a thickness of 0.5 mm using a screen printer so that the electrode area was 2 cm 2, and heated at a heating rate of 10 ° C./min. Sintering 6 was performed at 1500 ° C for 3 hours to obtain a fuel electrode.
- NiO nickel oxide
- MnO manganese oxide
- NiO nickel oxide
- MnO manganese oxide
- NiO nickel oxide
- MnO manganese oxide
- NiO nickel oxide
- MnO manganese oxide
- NiO nickel oxide
- MnO manganese oxide
- NiO nickel oxide
- MnO manganese oxide
- NiO nickel oxide
- MnO manganese oxide
- the heat shrinkage at 1400 ° C. was determined according to the method for measuring heat shrinkage.
- the results are shown in Table 1.
- the open porosity and specific resistance were determined according to the above-mentioned preparation of the fuel electrode material and the measurement method of conductivity (specific resistance) and open porosity. The results are shown in Table 1.
- Example 3 a raw material composition of a nickel oxide powder material containing manganese that forms spinel with nickel oxide was used as a fuel electrode material for a solid oxide fuel cell.
- the potential difference between the reference electrode and the fuel electrode at a current density of 0.5 A / cm 2 was 0.73 V.
- the fuel electrode side was oxidized and re-reduced, and the power generation characteristics were evaluated again. Even at m 2 , the potential difference between the reference electrode and the fuel electrode was 0.69V.
- Comparative Example 1 the power generation characteristics before oxidation were such that the potential difference between the reference electrode and the fuel electrode was 0.71 V at a current density of 0.5 A / cm 2. re reduced after oxidizing the side was evaluated for power generation characteristics again, the reference electrode at a current density 0 .35AZcm 2 - difference in the fuel machining gap is only 0.63V, a longer current at a current density 0.4AZ cm 2 or more The power that cannot be taken out.
- nickel oxide (NiO) powder raw material lOOg having a primary particle size of 0
- ferric trioxide powder (Fe 2 O 3) having a primary particle size of 0.
- nickel oxide (NiO) powder raw material 100g with primary particle size 0.8 / m and ferric trioxide powder (FeO) 2.0g with primary particle size 0.4 ⁇ And straight
- NiO nickel oxide
- Fe 2 O 3 ferric trioxide powder
- NiO nickel oxide
- Fe 2 O 3 ferric trioxide powder
- the heat shrinkage at 1400 ° C was determined according to the method for measuring heat shrinkage.
- the results are shown in Table 3.
- the electrical conductivity was determined according to the above-described fuel electrode material preparation and electrical conductivity (specific resistance) measurement method. The results are shown in Table 3.
- Comparative Example 2 does not contain a metal element that forms spinel in the nickel oxide powder material, and thus has a high heat shrinkage rate.
- NiO nickel oxide
- Cr 2 O 3 chromium oxide
- NiO nickel oxide
- MnO manganese oxide
- Example 17 When evaluating the power generation characteristics of a single cell, the same procedure as in Example 15 was performed except that two cycles of oxidation and re-reduction were performed, and the reference electrode and fuel electrode before oxidation and after oxidation-re-reduction (after two cycles) The voltage drop rate was calculated from the potential difference between them. The results are shown in Table 4. [Example 17]
- Example 15 When evaluating the power generation characteristics of a single cell, it was performed in the same way as Example 15 except that three cycles of oxidation / reduction were performed, and between the reference electrode and fuel electrode before oxidation and after oxidation / reduction (after 3 cycles). The potential difference and the voltage drop rate were determined from these. The results are shown in Table 4.
- a single cell was produced in the same manner as in Example 14 except that a nickel oxide powder raw material not containing nickel oxide and spinel-forming metal elements was used. After that, according to the method for evaluating the power generation characteristics of the single cell, a single cell was prepared and the power generation characteristics were evaluated. . The results are shown in Table 4.
- Example 14 or 15 the nickel oxide powder material containing chromium or manganese that forms spinel and oxidized nickelole as a fuel electrode material for a solid oxide fuel cell Since it was carried out in accordance with the present invention using a material, the voltage drop rate after one cycle in the oxidation-re-reduction cycle of the fuel electrode can be reduced to 5% or less at a current density of 0.5 A / cm 2 S What you can do S
- the potential difference between the reference electrode and the fuel electrode before oxidation is the current density. From 0.75 to 0.90 V up to 0.5 A / cm 2 , showing good power generation characteristics, and the potential difference between the reference electrode and the fuel electrode after the oxidation-reduction cycle was 0.72 V even at a current density of 0.5 AZcm 2. It was. At this time, the voltage drop rate was reduced to a current density of 0.4 A / cm 2 and kept almost constant. Even at 0.5 AZ cm 2 , the voltage drop rate was suppressed to 4%.
- the potential difference between the reference electrode and the fuel electrode before oxidation is up to a current density of 0.5 AZcm 2.
- the electric potential difference between the reference electrode and the fuel electrode after the oxidation-rereduction cycle was 0.73 V even at a current density of 0.5 A / cm 2 .
- the voltage drop rate is suppressed substantially constant as low current density 0. 4A / cm 2, even the voltage drop rate 0. 5A / cm 2 is 2. suppressed 7%.
- Example 16 or 17 since the nickel oxide powder material containing manganese that forms nickel oxide and spinel was used as the fuel electrode material for the solid oxide fuel cell, the process was performed according to the present invention. It can be seen that the voltage drop rate after multiple cycles in the oxidation-reduction cycle of the anode can be reduced compared to the results of multiple cycles with conventional materials (see, for example, Comparative Example 4). That is, when the oxidation-reduction cycle of the fuel electrode was repeated three times in total, the potential difference between the reference electrode and the fuel electrode after the oxidation-reduction cycle was 0.71 V even at a current density of 0.5 A / cm 2 . At this time, the voltage drop rate after 3 Sa Ital is Ri Contact is suppressed to a substantially constant low until the current density 0. 4AZ cm 2, was suppressed to 5.3% even 0. 5AZcm 2.
- the potential difference between the reference electrode and the fuel electrode after two cycles in the oxidation-reduction cycle was 0.74 V even at a current density of 0.5 A / cm 2 .
- the voltage drop rate is continuously increased to a current density 0. 5A / cm 2, the voltage drop rate in 0.5A / cm 2 was further evil I spoon and 6.3%.
- the nickel oxide powder material for solid oxide fuel cells of the present invention is suitable as a nickel oxide powder material for fuel electrode materials used in solid oxide fuel cells.
- the nickel oxide powder material of the present invention produces a fine metal nickel cane in a reducing atmosphere, so that it is a fuel cell electrode material that operates at a lower temperature than the current solid oxide fuel cell, It can be applied in the field of nickel catalysts for hydrogen gas generation.
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Abstract
Description
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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AU2006280812A AU2006280812B2 (en) | 2005-08-18 | 2006-08-10 | Nickel oxide powder material for solid oxide fuel cell, production process thereof, raw material composition for use in the same, and anode material using the nickel oxide powder material |
KR1020087003617A KR101499622B1 (ko) | 2005-08-18 | 2006-08-10 | 고체 산화물형 연료전지용 산화니켈 분말 재료, 그것의제조방법, 그에 사용되는 원료 조성물 및 산화니켈 분말재료를 사용한 연료극 재료 |
JP2007530966A JP5163122B2 (ja) | 2005-08-18 | 2006-08-10 | 固体電解質型燃料電池用の酸化ニッケル粉末材料、その製造方法、それに用いられる原料組成物及びそれを用いた燃料極材料 |
EP06782611.5A EP1916729B1 (en) | 2005-08-18 | 2006-08-10 | Nickel oxide powder material for solid electrolyte fuel battery, production process thereof, raw material composition for use in the same, and fuel electrode material using the nickel oxide powder material |
DK06782611.5T DK1916729T3 (da) | 2005-08-18 | 2006-08-10 | Nikkeloxidpulvermateriale til fast elektrolytbrændselsbatteri, fremgangsmåde til fremstilling deraf, råmaterialesammensætning til anvendelse i samme, og brændselselektrodemateriale med anvendelse af nikkeloxidpulver |
US11/990,342 US8288053B2 (en) | 2005-08-18 | 2006-08-10 | Nickel oxide powder material for solid oxide fuel cell, production process thereof, raw material composition for use in the same, and anode material using the nickel oxide powder material |
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JP2005-237032 | 2005-08-18 | ||
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JP2005266238 | 2005-09-14 | ||
JP2006-032544 | 2006-02-09 | ||
JP2006032544 | 2006-02-09 | ||
JP2006-078757 | 2006-03-22 | ||
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PCT/JP2006/315807 WO2007020863A1 (ja) | 2005-08-18 | 2006-08-10 | 固体電解質型燃料電池用の酸化ニッケル粉末材料、その製造方法、それに用いられる原料組成物及びそれを用いた燃料極材料 |
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US (1) | US8288053B2 (ja) |
EP (2) | EP1916729B1 (ja) |
JP (1) | JP5163122B2 (ja) |
KR (1) | KR101499622B1 (ja) |
AU (1) | AU2006280812B2 (ja) |
DK (2) | DK2448049T3 (ja) |
WO (1) | WO2007020863A1 (ja) |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2771090B2 (ja) * | 1993-03-15 | 1998-07-02 | 三井造船株式会社 | 固体電解質型燃料電池 |
WO1999059936A1 (fr) * | 1998-05-20 | 1999-11-25 | Nippon Shokubai Co., Ltd. | Lame ceramique poreuse, procede de production et support d'enfournement utilisable dans ce procede |
JP2003242985A (ja) * | 2002-02-21 | 2003-08-29 | Mitsubishi Heavy Ind Ltd | 燃料極材料、それを用いた燃料極及び固体電解質型燃料電池 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4871437A (en) * | 1987-11-03 | 1989-10-03 | Battelle Memorial Institute | Cermet anode with continuously dispersed alloy phase and process for making |
US4883497A (en) * | 1988-03-28 | 1989-11-28 | Arch Development Corporation | Formation of thin walled ceramic solid oxide fuel cells |
DE4235514C2 (de) * | 1992-10-21 | 1995-12-07 | Fraunhofer Ges Forschung | Poröse sauerstoffverzehrende Elektrode, Verfahren zu deren Herstellung und deren Verwendung |
JP2678334B2 (ja) * | 1993-03-15 | 1997-11-17 | 耕輔 高久 | 手指の反射筋力測定器具 |
JPH08306361A (ja) | 1995-04-28 | 1996-11-22 | Central Res Inst Of Electric Power Ind | 固体電解質燃料電池用燃料極材料およびその製造方法 |
GB2305169A (en) * | 1995-09-14 | 1997-04-02 | Univ Napier | Solid oxide fuel cells |
US6416649B1 (en) * | 1997-06-26 | 2002-07-09 | Alcoa Inc. | Electrolytic production of high purity aluminum using ceramic inert anodes |
JP3928309B2 (ja) * | 1998-10-06 | 2007-06-13 | 昭栄化学工業株式会社 | ニッケル複合粒子、導体ペースト及びセラミック積層電子部品 |
JP2001118589A (ja) | 1999-10-21 | 2001-04-27 | Toto Ltd | 固体電解質型燃料電池 |
JP3638489B2 (ja) | 1999-12-24 | 2005-04-13 | 京セラ株式会社 | 固体電解質型燃料電池セル |
JP4428946B2 (ja) | 2003-06-27 | 2010-03-10 | 東邦瓦斯株式会社 | 固体酸化物形燃料電池用燃料極 |
JP4784197B2 (ja) | 2004-08-11 | 2011-10-05 | 住友金属鉱山株式会社 | 固体電解質型燃料電池の燃料極材料用酸化ニッケル粉及び燃料極材料 |
US8524419B2 (en) * | 2004-09-13 | 2013-09-03 | Kyocera Corporation | Electrode support for fuel cells |
JP4406355B2 (ja) | 2004-12-13 | 2010-01-27 | 財団法人電力中央研究所 | 固体電解質燃料電池用燃料極材料 |
-
2006
- 2006-08-10 DK DK12000394.2T patent/DK2448049T3/en active
- 2006-08-10 KR KR1020087003617A patent/KR101499622B1/ko active IP Right Grant
- 2006-08-10 EP EP06782611.5A patent/EP1916729B1/en active Active
- 2006-08-10 US US11/990,342 patent/US8288053B2/en active Active
- 2006-08-10 JP JP2007530966A patent/JP5163122B2/ja active Active
- 2006-08-10 WO PCT/JP2006/315807 patent/WO2007020863A1/ja active Application Filing
- 2006-08-10 EP EP12000394.2A patent/EP2448049B1/en not_active Not-in-force
- 2006-08-10 AU AU2006280812A patent/AU2006280812B2/en not_active Ceased
- 2006-08-10 DK DK06782611.5T patent/DK1916729T3/da active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2771090B2 (ja) * | 1993-03-15 | 1998-07-02 | 三井造船株式会社 | 固体電解質型燃料電池 |
WO1999059936A1 (fr) * | 1998-05-20 | 1999-11-25 | Nippon Shokubai Co., Ltd. | Lame ceramique poreuse, procede de production et support d'enfournement utilisable dans ce procede |
JP2003242985A (ja) * | 2002-02-21 | 2003-08-29 | Mitsubishi Heavy Ind Ltd | 燃料極材料、それを用いた燃料極及び固体電解質型燃料電池 |
Cited By (16)
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WO2009063598A1 (ja) * | 2007-11-12 | 2009-05-22 | Kyusyu University, National University Corporation | 燃料電池用電極材料及びその製造方法、並びに該燃料電池電極材料を含有してなる燃料電池用電極及び燃料電池 |
JP2009193775A (ja) * | 2008-02-13 | 2009-08-27 | Toshiba Corp | 電気化学セルならびにその製造方法および運転方法 |
JP2010059493A (ja) * | 2008-09-04 | 2010-03-18 | Sumitomo Metal Mining Co Ltd | ニッケル微粉及びその製造方法 |
JP2010232135A (ja) * | 2009-03-30 | 2010-10-14 | Mitsubishi Materials Corp | 耐久性のある燃料極およびこの燃料極を組み込んだ固体酸化物形燃料電池 |
JP2010251141A (ja) * | 2009-04-16 | 2010-11-04 | Sumitomo Metal Mining Co Ltd | 固体酸化物形燃料電池用の複合型酸化ニッケル粉末材料とその製造方法、及びそれを用いた燃料極材料 |
JP2010282932A (ja) * | 2009-06-08 | 2010-12-16 | Tokyo Electric Power Co Inc:The | 固体酸化物形燃料電池用電極及び固体酸化物形燃料電池用セル |
JP5547188B2 (ja) * | 2009-06-29 | 2014-07-09 | 本田技研工業株式会社 | 電解質・電極接合体の製造方法 |
JP2015057771A (ja) * | 2013-08-13 | 2015-03-26 | 日本特殊陶業株式会社 | 燃料電池用単セル,燃料電池,および燃料電池用単セルの製造方法 |
JP2016066568A (ja) * | 2014-09-26 | 2016-04-28 | Toto株式会社 | 固体酸化物形燃料電池セル及びその製造方法 |
JP2017016872A (ja) * | 2015-06-30 | 2017-01-19 | 株式会社ノリタケカンパニーリミテド | 固体酸化物形燃料電池用の電極材料とこれを用いた固体酸化物形燃料電池 |
JP2017016846A (ja) * | 2015-06-30 | 2017-01-19 | 日本特殊陶業株式会社 | 接合材前駆体、電気化学反応セルスタックおよびそれらの製造方法 |
CN110854369A (zh) * | 2019-11-22 | 2020-02-28 | 吉林建筑大学 | 锂离子电池及氧化镍-镍-氧化镍纳米管阵列的制备方法 |
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EP2448049B1 (en) | 2017-03-29 |
AU2006280812A1 (en) | 2007-02-22 |
EP1916729A1 (en) | 2008-04-30 |
EP1916729B1 (en) | 2013-06-19 |
KR101499622B1 (ko) | 2015-03-06 |
JPWO2007020863A1 (ja) | 2009-02-26 |
KR20080034930A (ko) | 2008-04-22 |
US8288053B2 (en) | 2012-10-16 |
AU2006280812B2 (en) | 2012-01-12 |
EP2448049A1 (en) | 2012-05-02 |
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