Abstract: A method of a hydrocarbon product and ammonia comprises introducing C2H6 to a positive electrode of an electrochemical cell comprising the positive electrode, a negative electrode, and a proton-conducting membrane between the positive electrode and the negative electrode. The proton-conducting membrane comprising an electrolyte material having an ionic conductivity greater than or equal to about 10?2 S/cm at one or more temperatures within a range of from about 150° C. to about 600° C. N2 is introduced to the negative electrode of the electrochemical cell. A potential difference is applied between the positive electrode and the negative electrode of the electrochemical cell. A system for co-producing higher hydrocarbons and NH3, and an electrochemical cell are also described.

Abstract: A method of forming a hydrocarbon product and a protonation product comprises introducing C2H6 to a positive electrode of an electrochemical cell comprising the positive electrode, a negative electrode, and a proton-conducting membrane between the positive electrode and the negative electrode. The proton-conducting membrane comprises an electrolyte material having an ionic conductivity greater than or equal to about 10?2 S/cm at one or more temperatures within a range of from about 150° C. to about 650° C. A potential difference is applied between the positive electrode and the negative electrode of the electrochemical cell to produce the hydrocarbon product and the protonation product. A C2H6 activation system and an electrochemical cell are also described.

Abstract: An electrochemical cell includes a fuel electrode, an air electrode containing a perovskite type oxide as a main component, the perovskite type oxide being represented by a general formula ABO3 and containing La and Sr at an A site, and a solid electrolyte layer arranged between the fuel electrode and the air electrode. The air electrode includes a first portion and a second portion, the first portion being located on a side opposite to the solid electrolyte layer, the second portion being located on the solid electrolyte layer side. A first ratio of an La concentration to an Sr concentration detected at the first portion through Auger electron spectroscopy is at least 1.1 times a second ratio of an La concentration to an Sr concentration detected at the second portion through Auger electron spectroscopy.

Abstract: An electronic device includes a device body and a male terminal structure connected to the device body. The male terminal structure includes a male terminal body, a first terminal member, and a free terminal member. The male terminal body is connected to the device body and a mating electronic device, respectively. The first terminal member is disposed at an end portion of the male terminal body, and the first terminal member is capable of being received in a terminal inserting portion of the mating electronic device. The free terminal member is disposed at the end portion of the male terminal body, detachably in contact with the first terminal member, and capable of being in contact with a secured terminal member of the mating electronic device.

Abstract: Provided is a lithium titanate powder for an electrode of an energy storage device, wherein the lithium titanate powder includes Li4Ti5O12 as a main component and has a specific surface area of 5 to 50 m2/g, a total-fine pore volume of the lithium titanate powder is 0.03 to 0.5 ml/g and the lithium titanate powder includes a phosphorus atom in an amount of 0.03 to 1% by mass, an active material containing the lithium titanate powder, an electrode sheet containing the active material, and an energy storage device using the electrode sheet.

Abstract: A first proton-donating layer (20a) is a layer having a proton-donative functional group on the surface, for example, a silicon oxide layer. A second proton-donating layer (20b) is also a layer having a proton-donative functional group on the surface, for example, a silicon oxide layer. Negative surface charges are formed on the main surface section of a first base (10a) and the main surface section of a second base (10b), and these negative charges increased the proton conductivity in an aqueous solution fed to a nano channel. Although, in the aqueous solution, proton migration through hopping between water molecules contributes to its diffusion, the negative charges formed on the main surfaces of the bases (10a, 10b) attract protons in the aqueous solution, and the conduction of protons is efficiently achieved in “high-speed transfer regions” formed in the vicinity of the proton-donating layers (20a, 20b).

Abstract: A corrosion resistant refractory ceramic hexagonal target tile body for use covering a catalyst, including a generally flat hexagonal portion and a plurality of generally right circular cylindrical aperture portions extending therethrough, wherein the hexagonal tile body has a thickness of about 89 mm and a width of about 42 cm and is 13 percent yttria fully stabilized YSZ. Each respective aperture has a diameter of about 19 mm.

Abstract: A solid oxide fuel cell (SOFC) includes a solid oxide electrolyte with a zirconia-based ceramic, an anode electrode, and a cathode electrode that includes a ceria-based ceramic component and an electrically conductive component. Another SOFC includes a solid oxide electrolyte containing a zirconia-based ceramic, an anode electrode, and a cathode electrode that includes an electrically conductive component and an ionically conductive component, in which the ionically conductive component includes a zirconia-based ceramic containing scandia and at least one of ceria, ytterbia and yttria.

Abstract: In a one-step method for preparing a lithiated silicon electrode, a suspension of a lithium precursor and a silicon precursor in a carrier liquid is plasma sprayed without a carrier gas. The carrier liquid is water, alcohol, ethylene glycol, or mixtures thereof. The lithium precursor is selected from the group consisting of a lithium phosphate, a lithium nitrate, a lithium sulfate, a lithium carbonate, and combinations thereof. The suspension excludes an active carbon material and a binder.

Abstract: A solid oxide fuel cell having a plurality of planar layered fuel cell units, an electrically conductive flow separator plate disposed between each of the fuel cell units, and a cathode contact material element disposed between each cathode electrode of the fuel cell units and each electrically conductive flow separator plate. The cathodes of the individual fuel cell units are modified such that the operating temperatures of the cathodes are matched with the temperatures they experience based upon their locations in the fuel cell stack. The modification involves adding to the cathode contact material and/or cathode at least one alloying agent which modifies the temperature of the cathode electrodes based upon the location of the cathode electrodes within the fuel cell stack. These alloying agents react with a component of the cathode electrode to form alloys.

Abstract: A method for formulating a ceramic power for producing a proton-conducting electrolytic membrane for an electrochemical cell, includes forming a suspension of a previously synthesized, unprocessed ceramic powder in a solvent having a hydrogen potential greater than 7 so as to produce a slip, the unprocessed ceramic powder including agglomerates consisting of a plurality of ceramic grains, crushing the agglomerates contained in the slip so as to reduce the agglomerates, and drying the slip so as to mechanically separate the agglomerates from the solvent and recover the dried agglomerates.

Abstract: Ruthenium or a Ruthenium compound is applied to an anode structure according to a predetermined pattern, with only part of the anode active area containing Ru. The parts of the MEA that do not contain Ru are not expected to suffer degradation from Ru cross-over, so that overall degradation of the cell will be diminished. Having less precious metals will also translate into less cost.

Abstract: A fuel cell is provided that includes an anode, a cathode, a solid electrolyte layer, a barrier layer, and a buffer layer. The solid electrolyte layer includes zirconium and is provided between the anode and the cathode. The barrier layer includes cerium and is provided between the solid electrolyte layer and the cathode, with the barrier layer having pores. The buffer layer includes zirconium and cerium and is provided between the barrier layer and the solid electrolyte layer. The barrier layer has a first barrier layer provided near to the buffer layer with a first pore ratio and a second barrier layer provided between the first barrier layer and the cathode with a second pore ratio. The first pore ratio of the first barrier layer is larger than the second pore ratio of the second barrier layer.

Abstract: The innovation process describes the process and results for fabrication of a magnetron sputter deposited fully dense electrolyte layer (8YSZ/GDC/LSGM) embedded in a high performance membrane electrolyte assembly (MEA) (Unit Cell) of Solid Oxide Fuel Cell. A single cell with airtight electrolyte layer (8YSZ/GDC/LSGM) is prepared via thin film technique of magnetron sputter deposition, combined with SOFC-MEA processing methods (such as tape casting, lamination, vacuum hot pressing, screen printing, spin coating, and plasma spray coating) and sintering optimization conditions. The gas permeability of the electrolyte layer is below 1×10?6 L/cm2/sec and the open circuit voltage/power density of the single cell performance test exceeds 1.0 V and 500 mW/cm2.

Abstract: A solid oxide fuel cell including a metal frame, a pre-treated porous metal substrate, an anode layer, an electrolyte layer, a cathode interlayer and a cathode current collecting layer is provided. The pre-treated porous metal substrate is disposed inside the metal frame. The anode layer is disposed on the porous metal substrate. The electrolyte layer is disposed on the anode layer. The cathode interlayer is disposed on the electrolyte layer. The cathode current collecting layer is disposed on the cathode interlayer. The anode layer is porous and nano-structured. Moreover, a manufacturing method of the solid oxide fuel cell mentioned above is also provided.

Abstract: Organic/inorganic complex proton conductors are provided which display high proton conductivity over a wide temperature range. Electrodes for fuel cells which include the organic/inorganic complex proton conductors are also provided. The invention also advantageously provides electrolyte membranes for fuel cells including the organic/inorganic complex proton conductors, and fuel cells including the organic/inorganic complex proton conductors.

Abstract: A fuel cell includes a separator sheet and a perforated support sheet connected to the separator sheet. The perforated support sheet and separator sheet are comprised of a nickel-based alloy. A porous layer is located between the separator sheet and the support sheet and provides an electrical connection between the separator sheet and the support sheet.

Abstract: On the other hand, the possibility of estimating the dopant ratio of a metal element to each ceria crystalline particle using integral-width or half-width obtained by XRD was considered as follows: an XRD peak is shifted depending on the dopant ratio of La to ceria; when La increases, an XRD peak is shifted to a lower angle; in XRD performed on a raw material obtained by mixing ceria crystalline particles having different dopant ratio, peaks corresponding to the respective dopant ratio exist close to each other; as a result, a peak width is widened; accordingly, the dopant ratio of a metal element to each ceria crystalline particles are supposed to vary when integral-width and half-width obtained by XRD are large. Thus, it was revealed for the first time that integral-width and half-width obtained by XRD indicate variations in dopant ratio. It should be noted that from the direct proportional relationship between the dopant ratio x and the integral-width for dopant ratio ranging from 0.35 to 0.

Abstract: A solid oxide fuel cell (SOFC) includes a plurality of sub-cells. Each sub-cell includes a first electrode in fluid communication with a source of oxygen gas, a second electrode in fluid communication with a source of a fuel gas, and a solid electrolyte between the first electrode and the second electrode. The SOFC further includes an interconnect between the sub-cells. In one embodiment, the SOFC has a first surface in contact with the first electrode of each sub-cell and a second surface that is in contact with the second electrode of each sub-cell; and the interconnect consists essentially of a doped M-titanate based perovskite, wherein M is an alkaline earth metal. In another embodiment, the interconnect includes a first layer in contact with the first electrode of each sub-cell, and a second layer in contact with the second electrode of each sub-cell. The first layer includes an electrically conductive material selected from the group consisting of an metal, a metal alloy and a mixture thereof.

Abstract: A manifold device for a tube type solid oxide fuel cell including a manifold body including at least one of a first opening for fluid inflow and a second opening for fluid outflow; at least one of a first manifold unit in the manifold body, the first manifold unit distributing fluid flowing in the first opening portion into channels, and a second manifold unit in the manifold body, the second manifold unit integrating fluid flowing in channels out to the second opening; and a plurality of tube type ports, each tube type port having a tube type body contacting and protruding from an outer surface of the manifold body, being connected to and in fluid communication with the channels, and including a heat interception unit in a portion of the tube type body.

Abstract: A direct carbon fuel cell DCFC system (5), the system comprising an electrochemical cell, the electrochemical cell (10) comprising a cathode (30), a solid state first electrolyte (25) and an anode (20), wherein, the system further comprises an anode chamber containing a second electrolyte (125) and a fuel (120). The system, when using molten carbonate as second electrolyte, is preferably purged with CO2 via purge gas inlet (60).

Abstract: Solid-oxide fuel cells include an electrolyte and an anode electrically coupled to a first surface of the electrolyte. A cathode is provided, which is electrically coupled to a second surface of the electrolyte. The cathode includes a porous backbone having a porosity in a range from about 20% to about 70%. The porous backbone contains a mixed ionic-electronic conductor (MIEC) of a first material infiltrated with an oxygen-reducing catalyst of a second material different from the first material.

Abstract: An electricity storage system comprising a reversible fuel cell having a first electrode and a second electrode separated by an ionically conducting electrolyte, and at least two chambers adapted to hold fuel and/or a reaction product, wherein the system is substantially closed and at least one reactant for discharge is hydrogen or oxygen.

Abstract: A nickel oxide powder material that can restrain cracking of electrode due to oxidation expansion and peeling from a electrolyte and thus can decrease deterioration of the power generation characteristics, when used as an anode material for a solid oxide type fuel cell and its efficient production method, and the anode material for the solid oxide type fuel cell using the nickel oxide powder material. The nickel oxide powder material for an anode material constituting a solid oxide type fuel cell is characterized in that it is made up of a core particle (a) composed of a nickel oxide fine particle and a coating layer (b) including a zirconium hydroxide, which is formed on the surface of the core particle (a), as its main component, and that the zirconium content contained in the coating layer (b) is 0.001 to 0.01 g/m2 per surface area of the nickel oxide fine particle.

Abstract: The present invention provides methods for fabricating a fuel cell membrane structure that can dramatically reduce fuel crossover, thereby improving fuel cell efficiency and power output. Preferred composite membrane structures include an inorganic layer situated between the anode layer and the proton-exchange membrane. The inorganic layer can conduct protons in unhydrated form, rather than as hydronium ions, which reduces fuel crossover. Some methods of this invention include certain coating steps to effectively deposit an inorganic layer on an organic proton-exchange membrane.

Abstract: Provided are a solid oxide fuel cell including: an anode support; a solid electrolyte layer formed on the anode support; and a composite cathode layer formed on the solid electrolyte layer, wherein the composite cathode layer is a porous sintered phase comprising an electrode material and an electrolyte material and a method for preparing same. The solid oxide fuel cell which includes a post-heat-treated nanocomposite cathode, which exhibits high interfacial strength and superior conductivity, exhibits superior power efficiency as well as superior durability.

Abstract: A proton conducting polymer electrolyte comprising a proton conducting ionomer cross-linked with an amount of a copolymer additive comprising cross-linking functional groups and other functional groups (e.g. proton carriers, chelating agents, radical scavengers) shows improved durability over the ionomer alone and provides for more stable inclusion of these other functional groups. The copolymer additive comprises at least two types of metal oxide monomers, one having cross-linking functional groups and the other having the other functional groups.

Abstract: A solid oxide fuel cell stack includes a cell array in which M interconnector unit solid oxide fuel cells are connected in parallel to form a bundle, and N bundles are connected in series; a first plate-shaped current collecting member connected to a first bundle of the N bundles, the first current collecting member including a first terminal, and a second plate-shaped current collecting member connected to an Nth bundle of the N bundles, the second current collecting member including a second terminal; and a first elastic insulating member adjacent to the first current collecting member, the first insulating member having a first opening, a second elastic insulating member adjacent to the second current collecting member, the second insulating member having another first opening, and the first terminal passes through the first opening and the second terminal portion through the other first opening.

Abstract: A membrane electrode assembly including an anode that incorporates a porous support and a hydrogen permeable metal thin film disposed on the porous support; a cathode; and a proton conductive solid oxide electrolyte membrane disposed between the anode and the cathode.

Abstract: A solid-state fuel cell includes: an anode; an anode side chemical electrolyte protection layer disposed on the anode; a hydrogen ion conductive solid oxide film disposed on the anode side chemical electrolyte protection layer; a cathode side chemical electrolyte protection layer disposed on the hydrogen ion conductive solid oxide film; and a cathode disposed on the cathode side chemical electrolyte protection layer.

Abstract: Disclosed herein is a solid oxide fuel cell including a unit cell including an anode, an electrode, and a cathode; a separation plate including channels formed on an upper or lower surface thereof so as to supply gas and disposed in parallel with each other by a predetermined interval; and a plurality of sealing members disposed between the unit cell and the separation plate, wherein the sealing member includes a glass sheet and paste layers applied to both surfaces of the glass sheet.

Abstract: One embodiment of the invention includes a method including providing a cathode catalyst ink comprising a first catalyst, an oxygen evolution reaction catalyst, and a solvent; and depositing the cathode catalyst ink on one of a polymer electrolyte membrane, a gas diffusion medium layer, or a decal backing.

Abstract: There is provided a dendritic catalyst layer for a solid polymer electrolyte fuel cell including: a solid polymer electrolyte membrane; electrodes; and catalyst layers each provided between the solid polymer electrolyte membrane and the respective electrode, the catalyst layer for a solid polymer electrolyte fuel cell includes a catalyst with a dendritic structure. The catalyst with a dendritic structure is formed through vacuum evaporation such as reactive sputtering, reactive electron beam evaporation, or ion plating. The catalyst layer for a solid polymer electrolyte fuel cell can improve catalytic activity, catalyst utilization, and substance transport performance in the catalyst layer.

Abstract: A composite particle for electrode as an active material capable of forming an electrochemical device with excellent discharge capacities and rate characteristics is provided. A composite particle for electrode according to the present invention comprises a particulate core including at least one mother particle containing an electrode active material, and an electron-conducting layer which covers at least part of the surface of the particulate core, the electron-conducting layer including carbon and microparticles containing an electrode active material, and the microparticles having a particle size of 300 nm or less.

Abstract: An anisotropic coefficient of thermal expansion (CTE) cathode of a solid oxide fuel cell (SOFC) is formed by placing a layer of perovskite powder between two platens, and sintering the layer while applying pressure to the platens, thereby forming the anisotropic CTE cathode. The perovskite can be lanthanum strontium manganite (LSM).

Abstract: Disclosed are an electrode for a fuel cell, a method of preparing the fuel cell electrode, a membrane-electrode assembly including the fuel cell electrode, and a fuel cell system including the fuel cell electrode. The electrode includes an electrode substrate having a conductive substrate and a layer-by-layer assembled multi-layer disposed on a side of the conductive substrate and a bilayer including a polymer electrolyte or a conductive nanoparticle, and a catalyst layer disposed on the electrode substrate.

Abstract: A nickel oxide powder material that can restrain cracking of electrode due to oxidation expansion and peeling from a electrolyte and thus can decrease deterioration of the power generation characteristics, even in the case that the anode is exposed to an oxidizing atmosphere caused by the disruption of the fuel supply at operating temperature or the like when used as an anode material for a solid oxide type fuel cell and its efficient production method, and the anode material for the solid oxide type fuel cell using the nickel oxide powder material. The nickel oxide powder material for an anode material constituting a solid oxide type fuel cell is characterized in that it is made up of a core particle (a) composed of a nickel oxide fine particle and a coating layer (b) including a zirconium hydroxide, which is formed on the surface of the core particle (a), as its main component, and that the zirconium content contained in the coating layer (b) is 0.001 to 0.

Abstract: The structured body intended for use for an anode (1) in fuel cells, includes a structure formed by macro-pores and an electrode material. The macro-pores form communicating spaces which are produced by using pore forming materials. The electrode material includes skeleton-like or net-like connected structures of particles which are connected by sintering and which form two reticular systems which interengage: a first reticular system made of ceramic material and a second reticular system which contains metals to effect an electrical conductivity. The electrode material has the properties so that, with a multiple change between oxidizing and reducing conditions, substantially no major property changes occur in the ceramic reticular system, and an oxidization or reduction of the metals occurs in the second reticular system.

Abstract: A high surface area support material is formed of an intimate mixture of carbon clusters and titanium oxide clusters. A catalytic metal, such as platinum, is deposited on the support particles and the catalyzed material used as an electrocatalyst in an electrochemical cell such as a PEM fuel cell. The composite material is prepared by thermal decomposition and oxidation of an intimate mixture of a precursor carbon polymer, a titanium alkoxide and a surfactant that serves as a molecular template for the mixed precursors.

Abstract: The invention relates to an anode for a high-temperature fuel cell having an anode substrate and/or a functional anode layer, comprising a porous ceramic structure having a first predominantly electron-conducting phase with the general empirical formula Sr1-xLnxTiO3 wherein Ln=Y, Gd to Lu and 0.03<x<0.2, and having a second predominantly ion-conducting phase component comprising yttrium or scandium-stabilized zirconium dioxide (YSZ or ScSZ). In the anode substrate and/or the functional anode layer, the ratio by volume of the first phase to the second phase ranges from 80:20 to 50:50, and particularly from 70:30 to 60:40. The porosity of the entire anode ranges between 15 and 50% by volume. The anode additionally comprises a catalyst in the amount of no more than 15% of the total volume, which is disposed on the surface of the pores of the ceramic structure.

Abstract: A solid oxide fuel cell stack obtainable by a process comprising the use of a glass sealant with composition 50-70 wt % SiO2, 0-20 wt % Al2O3, 10-50 wt % CaO, 0-10 wt % MgO, 0-6 wt % (Na2O+K2O), 0-10 wt % B2O3, and 0-5 wt % of functional elements selected from TiO2, ZrO2, F, P2O5, MoO3, Fe2O3, MnO2, La. Sr—Mn—O perovskite (LSM) and combinations thereof.

Abstract: Powders of respective metal elements (Mn,Co) constituting a transition metal oxide (MnCo2O4) having a spinel type crystal structure are used as a starting material. A paste containing the mixture of the powders is interposed between an air electrode and an interconnector, and with this state, a sintering is performed, whereby a bonding agent according to the present invention can be obtained. This bonding agent has a “co-continuous structure”. In the “co-continuous structure”, a thickness of an arm portion that links many base portions to one another is 0.3 to 2.5 ?m. The bonding agent includes a spherical particle in which plural crystal faces are exposed to the surface, the particle having a side with a length of 1 ?m or more, among the plural sides constituting the outline of the crystal face. The diameter of the particle is 5 to 80 ?m.

Abstract: A sheet body includes an electrolyte layer, a fuel electrode layer formed on the upper surface of the electrolyte layer, and an air electrode layer formed on the lower surface of the electrolyte layer, wherein these layers are stacked and fired in such a manner that the electrolyte layer is sandwiched between the fuel electrode layer and the air electrode layer. The fuel electrode layer is a porous layer including a first layer on a side close to the electrolyte layer made of fine particles of Ni and YSZ, and a second layer on a side apart from the electrolyte layer made of fine particles of Ni, YSZ, and ZrSiO4. The zircon particles are uniformly distributed in the second layer in the plane direction and in the stacking direction.

Abstract: Disclosed herein are a solid oxide fuel cell and a solid oxide fuel cell module. The solid oxide fuel cell includes: a unit cell including an anode, an electrolyte formed to surround the outer circumference of the anode and having a first opening part exposing the anode in a longitudinal direction, a cathode formed to surround the outer circumference of the electrolyte and having a second opening part corresponding to the first opening part, and a connector formed to cover the first opening part; a first current collecting member formed to be contacted with the anode; an insulating member formed to cover the first current collecting member; a second current collecting member formed to be contacted with the cathode; and a fixing unit integrating and fixing the first current collecting member, the insulating member, and the second current collecting member with the unit cell.

Abstract: An electrolyte-electrode assembly (MEA) includes: an electrolyte; an anode side electrode and a cathode side electrode formed so as to sandwich the electrolyte via intermediate layers. The anode side electrode has a thickness set to 1 ?m, for example. A method for manufacturing the electrolyte-electrode assembly, i.e., the MEA includes a step for forming the anode side electrode by sputtering.

Abstract: A power system for an aircraft includes a solid oxide fuel cell system which generates electric power for the aircraft and an exhaust stream; and a heat exchanger for transferring heat from the exhaust stream of the solid oxide fuel cell to a heat requiring system or component of the aircraft. The heat can be transferred to fuel for the primary engine of the aircraft. Further, the same fuel can be used to power both the primary engine and the SOFC. A heat exchanger is positioned to cool reformate before feeding to the fuel cell. SOFC exhaust is treated and used as inerting gas. Finally, oxidant to the SOFC can be obtained from the aircraft cabin, or exterior, or both.

Abstract: A metal oxide thin film structure for a solid oxide fuel cell, prepared by a method comprising dispersing a metal oxide nanopowder in a metal oxide salt solution and subsequent coating of the resulting metal oxide powder dispersed sol and the metal oxide salt solution on a porous substrate, has excellent gas impermeability, excellent phase stability, and is devoid of cracks or pinholes.

Abstract: A titanium suboxide powder comprising Ti4O7, Ti5O9 and Ti6O11, wherein the Ti4O7, Ti5O9 and Ti6O11 provide over 92% of the powder, and wherein the Ti4O7 is present at above 30% of the total powder.

Abstract: There are disclosed a method for preparation of the solid oxide fuel cell single cell and a single cell with nano (micro) meso porous cathode electrode that are operational from 723 to 1073 K. The cathode electrode of the single cell possesses very large surface area (10-500 m2 g?1) with the hierarchical nano (micro) mesoporous structure, very high catalytic activity and very low oxygen electroreduction activation energy varying from 0.3-0.8 eV at ?0.2 . . . 0 V cathode electrode potential versus porous Pt/O2 reference electrode in air.

Abstract: An electrolyzer cell is disclosed which includes a cathode to reduce an oxygen-containing molecule, such as H2O, CO2, or a combination thereof, to produce an oxygen ion and a fuel molecule, such as H2, CO, or a combination thereof. An electrolyte is coupled to the cathode to transport the oxygen ion to an anode. The anode is coupled to the electrolyte to receive the oxygen ion and produce oxygen gas therewith. In one embodiment, the anode may be fabricated to include an electron-conducting phase having a perovskite crystalline structure or structure similar thereto. This perovskite may have a chemical formula of substantially (Pr(1-x)Lax)(z-y)A?yBO(3-?), wherein 0<x<1, 0?y?0.5, and 0.8?z?1.1. In another embodiment, the cathode includes an electron-conducting phase that contains nickel oxide intermixed with magnesium oxide.