Abstract: An assembly, including: an electrolyte membrane; and a frame that holds the electrolyte membrane, wherein the frame includes a first frame that holds one surface of the electrolyte membrane, and a second frame that holds the other surface of the electrolyte membrane, the frame further has a joint part that joins the first frame and the second frame, and the joint part has a projection.

Abstract: A method for producing a fuel cell module including the steps of: forming, in an annular shape, a plurality of resin sheets in a solid state which at least partially contains fibers and overlapping the plurality of resin sheets with respective both surfaces of an electrode membrane assembly; and integrally joining the electrode membrane assembly, with which the plurality of resin sheets are overlapped, and a pair of separators to each other by adhesion by heating the electrode membrane assembly in a state where the electrode membrane assembly is sandwiched by the pair of separators.

Abstract: A fuel cell module includes an electrode membrane assembly and a pair of separators. The electrode membrane assembly includes an electrode portion and a pair of gas diffusion layers. The electrode portion includes a polymer electrolyte membrane, an anode electrode formed on a first surface of the polymer electrolyte membrane, and a cathode electrode formed on a second surface of the polymer electrolyte membrane. One of the pair of gas diffusion layers is in contact with an anode surface of the electrode portion at which the anode electrode is disposed, and the other is in contact with a cathode surface of the electrode portion at which the cathode electrode is disposed. The separators sandwich the electrode membrane assembly from respective the anode surface and the cathode surface. The electrode membrane assembly and each separator are adhered to each other by a plurality of resin portions.

Abstract: A polymer electrolyte fuel cell according to the present invention includes: a unit cell including a membrane-electrode assembly and a pair of separators; a manifold; a gas introducing member; and a first member. A recess is formed at a gas lead-out port side of the gas introducing member so as to be connected to the gas lead-out port. The first member is provided such that a communication portion thereof communicates with the manifold. The gas introducing member is provided such that: the recess communicates with the communication portion; and when viewed from a thickness direction of the polymer electrolyte membrane, the gas lead-out port and a main surface of the first member overlap each other.

Abstract: A fuel cell stack includes: a cell stack structure formed by stacking a plurality of cells; a pair of current collectors; a pair of end members; and a fastener band wrapped around a cell stack formed by stacking the cell stack structure, the pair of current collectors, and the pair of end members. Each of the pair of end members includes a plurality of plate members. The plate members have a same arched shape in which a height from a surface to contacting a corresponding one of the pair of current collectors gradually increases toward a center portion from both ends, and are disposed in parallel while being apart from each other in a width direction of the fastener band. Adjacent plate members are coupled to each other through a bendable coupling member at part of facing surfaces.

Abstract: Disclosed is a membrane electrode assembly provided with a polymer electrolyte membrane; a catalyst layer (A) which is laminated onto one surface of the polymer electrolyte membrane; a gas diffusion layer (A) which is laminated onto the catalyst layer (A); a catalyst layer (B); and a gas diffusion layer (B). The outer circumferential section of the catalyst layer (A) is the membrane electrode assembly with an integrated frame which comprises a membrane electrode assembly that protrudes from the gas diffusion layer (A) and a frame adhered to the outer circumferential section of the catalyst layer (A), whereby said frame surrounds the edge of the membrane electrode assembly. The surface that is adhered to the frame in the outer circumferential section of the catalyst layer (A) comprises a plurality of cracks.

Abstract: A fuel cell module includes an electrode membrane assembly and a pair of separators. The electrode membrane assembly includes an electrode portion and a pair of gas diffusion layers. The electrode portion includes a polymer electrolyte membrane, an anode electrode formed on a first surface of the polymer electrolyte membrane, and a cathode electrode formed on a second surface of the polymer electrolyte membrane. One of the pair of gas diffusion layers is in contact with an anode surface of the electrode portion at which the anode electrode is disposed, and the other is in contact with a cathode surface of the electrode portion at which the cathode electrode is disposed. The separators sandwich the electrode membrane assembly from respective the anode surface and the cathode surface. The electrode membrane assembly and each separator are adhered to each other by a plurality of resin portions made of a resin which at least partially contains fibers.

Abstract: An assembly, including: an electrolyte membrane; and a frame that holds the electrolyte membrane, wherein the frame includes a first frame, that holds one surface of the electrolyte membrane, and a second frame that holds the other surface of the electrolyte membrane, the frame further has a joint part that joins the first frame and the second frame, and the joint part has a projection.

Abstract: Provided is a solid polymer electrolyte type fuel cell having high durability. The fuel cell comprises a stack of single cell modules, each including an electrolyte membrane-electrode-frame assembly and a pair of separators. The electrolyte membrane-electrode-frame assembly includes a catalyst layer-attached electrolyte membrane having a polymer electrolyte membrane, an anode catalyst, and a cathode catalyst, a frame that is disposed at a peripheral portion of the catalyst layer-attached electrolyte membrane and has a rectangular inner periphery, and a pair of gas diffusion layers that are disposed on both surfaces of the catalyst layer-attached electrolyte membrane. The gas diffusion layers were disposed to cover an inner peripheral portion of the frame, respectively. A thickness of at least a part of a corner portion of the inner peripheral portion is smaller than a thickness of a linear side portion of the inner peripheral portion of the frame.

Abstract: A cathode foil for a solid electrolytic capacitor is designed to increase capacitance, reduce ESR and leakage current, enhance heat resistance, and reduce production costs, while enhancing a power density, realizing rapid charging-discharging, and improving a life property, in an electric energy storage element such as a secondary battery, an electric double layer capacitor and a hybrid capacitor. A cathode foil or a current collector may include a metal foil, a metal layer, a mixed layer containing carbon and a substance composing the metal layer in a mixed state, and a carbon layer consisting substantially of carbon, each formed on the metal foil. The mixed layer is configured to have a composition changing from a state containing substantially only the substance composing the metal layer to a state containing substantially only carbon, in a direction from the metal layer to the carbon layer.

Abstract: A fuel-cell stack includes a cell stack having first and second flow channels, all of which extend in a direction of stack of single cells so as to open on an end surface in the direction of stack, and also includes a manifold piping structure connected to openings of the first and second flow channels. The manifold piping structure includes first and second connecting pipes respectively connected to the openings of the first and second flow channels, and a plate-like member disposed on an end surface of the cell stack to connect the first and second connecting pipes. A groove or an opening is formed in a first or second surface of the plate-like member at a location between a seal contact surface around one of the first connecting pipe and a seal contact surface around the second connecting pipe.

Abstract: A fuel cell stack includes: a cell stack structure formed by stacking a plurality of cells; a pair of current collectors; a pair of end members; and a fastener band wrapped around a cell stack formed by stacking the cell stack structure, the pair of current collectors, and the pair of end members. Each of the pair of end members includes a plurality of plate members. The plate members have a same arched shape in which a height from a surface to contacting a corresponding one of the pair of current collectors gradually increases toward a center portion from both ends, and are disposed in parallel while being apart from each other in a width direction of the fastener band. Adjacent plate members are coupled to each other through a bendable coupling member at part of facing surfaces.

Abstract: A fuel cell separator pair has first and second separators having front and back surfaces, a corrugated plate portion shaped in a wave form at the central portion, and a flat plate portion formed in the peripheral portion and surrounding the corrugated plate portion, wherein the corrugated plate portion of the front surface constitutes a reaction gas channel and the corrugated plate portion of the back surface constitutes a coolant channel. The back surfaces of the first and second separators are facing each other. The flat plate portions of the first and second separators are arranged on top of each other so as to be in contact with each other. The flat plate portion of the second separator protrudes toward the outside beyond the flat plate portion of the first separator.

Abstract: A polymer electrolyte fuel cell comprises a plurality of stacked cells each having an ionic conductive electrolyte membrane, an anode placed on one side of the electrolyte membrane, a cathode placed on the other side of the electrolyte membrane, and a conductive separator on which a first refrigerant channel for flow of a refrigerant is formed in center part thereof. The separator comprises penetration holes constituting a manifold which extend in a direction of stacking of the plurality of cells and through which the refrigerant flows and second refrigerant channels for communication between the penetration holes and the first refrigerant channel. A plurality of protrusions that protrude into the penetration holes from parts of wall surfaces of the penetration holes that are located peripherally in connection parts between the penetration holes and the second refrigerant channels.

Abstract: A polymer electrolyte fuel cell-use gasket, included in a polymer electrolyte fuel cell including a fuel cell stack is provided. In the fuel cell stack, a plurality of unit cell modules is stacked, and each of the unit cell modules includes sealing members disposed at circumference portions of respective front and back surfaces of a membrane electrode assembly, and paired separators sandwiching the membrane electrode assembly and the sealing members. The sealing members are integrally molded with the circumference portions of the respective front and back surfaces of the membrane electrode assembly. In each sealing member of the gasket, two rows of sealing lips are continuously provided in parallel to each other in an in-plane manner, and at least an outer one of the two rows of sealing lips is integrally formed, having a top side bell-shaped portion overlaid on a bottom side bell-shaped portion.

Abstract: Provided is a solid polymer electrolyte type fuel cell having high durability. The fuel cell comprises a stack of single cell modules, each including an electrolyte membrane-electrode-frame assembly and a pair of separators. The electrolyte membrane-electrode-frame assembly includes a catalyst layer-attached electrolyte membrane having a polymer electrolyte membrane, an anode catalyst, and a cathode catalyst, a frame that is disposed at a peripheral portion of the catalyst layer-attached electrolyte membrane and has a rectangular inner periphery, and a pair of gas diffusion layers that are disposed on both surfaces of the catalyst layer-attached electrolyte membrane. The gas diffusion layers were disposed to cover an inner peripheral portion of the frame, respectively. A thickness of at least a part of a corner portion of the inner peripheral portion is smaller than a thickness of a linear side portion of the inner peripheral portion of the frame.

Abstract: A polymer electrolyte fuel cell according to the present invention includes: a unit cell including a membrane-electrode assembly and a pair of separators; a manifold; a gas introducing member; and a first member. A recess is formed at a gas lead-out port side of the gas introducing member so as to be connected to the gas lead-out port. The first member is provided such that a communication portion thereof communicates with the manifold. The gas introducing member is provided such that: the recess communicates with the communication portion; and when viewed from a thickness direction of the polymer electrolyte membrane, the gas lead-out port and a main surface of the first member overlap each other.

Abstract: A cathode foil for a solid electrolytic capacitor is designed to increase capacitance, reduce ESR and leakage current, enhance heat resistance, and reduce production costs, while enhancing a power density, realizing rapid charging-discharging, and improving a life property, in an electric energy storage element such as a secondary battery, an electric double layer capacitor and a hybrid capacitor. A cathode foil or a current collector may include a metal foil, a metal layer, a mixed layer containing carbon and a substance composing the metal layer in a mixed state, and a carbon layer consisting substantially of carbon, each formed on the metal foil. The mixed layer is configured to have a composition changing from a state containing substantially only the substance composing the metal layer to a state containing substantially only carbon, in a direction from the metal layer to the carbon layer.

Abstract: A polymer electrolyte fuel cell comprises a plurality of stacked cells each having an ionic conductive electrolyte membrane, an anode placed on one side of the electrolyte membrane, a cathode placed on the other side of the electrolyte membrane, and a conductive separator on which a first refrigerant channel for flow of a refrigerant is formed in center part thereof. The separator comprises a penetration holes constituting a manifold which extend in a direction of stacking of the plurality of cells and through which the refrigerant flows, a second refrigerant channels for communication between the penetration holes and the first refrigerant channel, and a plurality of protrusions that protrude into the penetration holes from parts of wall surfaces of the penetration holes that located peripherally in connection parts between the penetration holes and the second refrigerant channels.

Abstract: A polymer electrolyte fuel cell is provided with a fuel cell stack assembled by sandwiching a plurality of stacked single cell modules with a plurality of fastening members through a pair of end plates. The fuel cell includes a first elastic member arranged between the fastening member and the end plate and a plurality of second elastic members arranged between the end plate and the end of the fuel cell stack. Each of the second elastic members is arranged on the surface of the end plate corresponding to the electrode portion of a membrane electrode assembly in each of the single cell module, and each of the first elastic members is arranged on the surface of the end plate corresponding to a seal member arrangement region in which the seal member is arranged between the periphery of the membrane electrode assembly and a pair of separator plates in each single cell module.