Disclosed is a membrane-electrode assembly having increased active area, improved fluid management capability, and decreased gas transfer resistance due to electrodes having patterned structures on both sides. Also disclosed are a method for manufacturing same, and a fuel cell comprising same. A…
An electrode catalyst layer for a fuel cell includes a catalyst/support composite including a support and a catalyst supported thereon. The support contains a titanium oxide. The surface of the catalyst/support composite has an oxide of at least one element selected from the group consisting of…
A fuel cell membrane electrode assembly includes a polymer electrolyte membrane and a pair of electrocatalyst layers arranged to have the polymer electrolyte membrane therebetween. At least one of the pair of electrocatalyst layers includes particles supporting a catalyst which is composed of a…
L'invention porte sur une plaque bipolaire 10 comportant des circuits de distribution anodique 14a et cathodique 14c, des collecteurs anodique 11a et cathodique 11c et des circuits d'homogénéisation anodique 20a et cathodique 20c, ces derniers comportant chacun une première zone Z1 comportant…
The present invention is to provide a method for producing a catalyst for fuel cells with excellent durability, and a fuel cell comprising a catalyst for fuel cells produced by the production method. Disclosed is a method for producing a catalyst for fuel cells, the catalyst comprising fine…
A fuel cell assembly includes an anode with a catalyst layer and a gas inlet end, and a cathode with a catalyst layer and a gas inlet end. The assembly comprises a catalyst layer including a first and second set of catalyst segment pairs spaced apart respectively with first and second distances, a…
The cell unit has a membrane/electrode assembly including two electrodes (Ai, Bi) that are separated by a proton-exchange membrane (Mi). Gas diffusion layers (GDL-Ai, GDL-Bi) are stacked on respective assembly surfaces between the electrode assembly and a current collector plate (Pi), and exhibit…
An object is to provide a solid oxide fuel cell which has an increased gas utilization factor at a cathode layer or an anode layer. A solid oxide fuel cell includes a fuel cell main body which includes a cathode layer, a solid electrolyte layer, and an anode layer and which has a power generation…
An object is to provide a fuel battery cell and a fuel battery in which gases can be supplied sufficiently to outer surfaces (main surfaces) of respective electrodes, such as a cathode. A cathode 41 of a fuel battery cell 3 assumes the form of a square plate and is composed of a lower layer 61 on a…
The present invention provides a solid oxide fuel cell (SOFC) including a "porous fuel electrode which allows reaction of a fuel gas to proceed and which is formed of Ni and YSZ"; a "porous air electrode which allows reaction of an oxygen-containing gas to proceed"; and a "dense solid electrolyte…
A technology is provided that is capable of improving deterioration of a fuel cell due to non-stationary operation (startup/shutdown, fuel depletion). An anode-side catalyst composition comprising a catalyst having catalyst particles carried on electrically conductive material and an ion exchange…
Provided is an electrocatalyst for solid polymer fuel cells capable of increasing the active surface area for reactions in a catalyst component, increasing the utilization efficiency of the catalyst, and reducing the amount of expensive precious metal catalyst used. Also provided are a membrane…
An object of the invention is to provide a fuel cell having improved long-term durability. The patent provides a fuel cell comprising a peroxide decomposition catalyst immobilized on a support, wherein the fuel cell is constituted of a membrane electrode assembly comprising a polyelectrolyte…
The membrane electrode assembly 100 has an electrolyte layer 10, a catalyst layer 20, and a member 15 impregnated with electrolyte which is arranged between the electrolyte layer 10 and the catalyst layer 20. At least part of the peripheral edge portion of the member 15 extends the outside the…
There is provided a membrane electrode assembly (50) including an anode gas diffusion layer (28) included in an anode (22) and a cathode gas diffusion layer (32) included in a cathode (24), wherein the anode gas diffusion layer (28) includes an anode gas diffusion substrate (27) and an anode…
A water control sheet having superior drainage and gas diffusion properties and superior handling characteristics, and a gas diffusion sheet, a membrane-electrode assembly and a polymer electrolyte fuel cell, which utilize the water control sheet, are provided. The water control sheet is…
The invention relates to Membrane Electrode Assemblies ("MEAs") for solid-polymer-electrolyte proton-conducting membrane fuel cells ("PEM-FCs") having better performance and improved durability, in particular when operated under severe electrochemical conditions such as fuel starvation and…
The present invention discloses electrode catalyst support composites comprising nanowires grown on a substrate surface and a polymer electrolyte. The nanowires used in these composites comprise silicon. The nanowires may be linked to the polymer electrolyte in some cases and the composite may also…
Enclosed is an electrode for a flow battery, which comprises a graphite felt (1), wherein: said graphite felt includes multiple flow channels (2) for transmitting an electrolyte, said flow channels (2) are straight and distributed at equally spaced intervals, and the width and depth of said…
The substrate-supported anode for a high-temperature fuel cell, comprises 3-layer anode laminate (AI, A2, A3) on a metal substrate (S), where the individual layers of the anode laminate each comprise yttrium-oxide-stabilized zirconium dioxide (YSZ) and nickel, a metallic substrate made of chromium…
Provided are a method for manufacturing a polymer electrolyte membrane for a fuel cell, a membrane electrode assembly and a polymer electrolyte membrane fuel cell. The manufacturing method includes (S1) forming a plurality of grooves on a substrate; (S2) casting an ion exchange resin solution for…
A cooling system for a fuel cell stack is provided. The fuel cell stack includes an electricity generating assembly having a plurality of unit cells, wherein each of the unit cells comprises common passages. An oxidant used to generate electric energy and a coolant used to cool the stack may both…
The present invention provides a fuel electrode of a solid polymer electrolyte fuel cell for advancing a fuel cell reaction to oxidize the fuel introduced through a diffusion layer, comprising at least one reaction layer w
An intermediate layer (161) is provided between a catalyst layer (112) and a solid polymer electrolyte membrane (114). The intermediate layer (161) includes a protonic acid group-containing aromatic polyether ketone and catalyst particles.
The invention provides a novel membrane electrode assembly capable of decreasing the reaction resistance thereof at 20°C and attaining a high power, and a polymer electrolyte membrane fuel cell using this. [0002] The membrane electrode assembly of the invention is a novel membrane electrode…
A fuel cell is provided having a positive electrode layer (13) and a negative electrode layer (14) disposed on the front and rear sides of an electrolyte membrane (12), for generating electricity by bringing hydrogen into contact with a catalyst in the negative electrode layer and bringing oxygen…
A fuel cell membrane electrode having a cathode catalyst layer on one surface of a polymer electrolyte membrane, and an anode catalyst layer on the other surface of the membrane, the cathode catalyst layer being supplied with an oxygen-containing gas, and the anode catalyst layer being supplied…
The present invention provides a gas diffusion layer (13) for a fuel cell (1) which has proper rigidity, is easy to handle and contributes to the improvement of the productivity of fuel cells. A method for producing a gas diffusion layer (13) for a fuel cell includes a first step of: impregnating a…
A method for preparing a membrane to be assembled in a membrane electrode assembly is disclosed comprising the step of swelling an ion-conducting membrane in a liquid containing at least one solvent or to an atmosphere containing the vapor phase of at least one solvent by controlling the content of…
The present invention provides ink for forming a catalyst layer containing at least a cation conductive polymer electrolyte, catalyst-supporting particles including conductive carbon particles and an electrode catalyst supported thereon, and a dispersion medium, wherein the polymer electrolyte has…