The disclosure relates to a proton exchange membrane fuel cell. The fuel cell includes: a container, wherein the container includes a reacting room, a fuel room connected to the reacting room through a fuel inputting hole, a fuel inputting door located on the fuel inputting hole, a waste collecting room connected to the reacting room through a waste outputting hole, a waste outputting door located on the waste outputting hole; a membrane electrode assembly device located in the reacting room, wherein the reacting room is divided into an anode electrode space and a cathode electrode space connected to the outside through a pipe, the volume of the anode electrode space and the cathode electrode space can be changed by moving the membrane electrode assembly device.

The disclosure relates to a proton exchange membrane fuel cell. The fuel cell includes: a container, wherein the container includes a reacting room, a fuel room connected to the reacting room through a fuel inputting hole, a fuel inputting door located on the fuel inputting hole, a waste collecting room connected to the reacting room through a waste outputting hole, a waste outputting door located on the waste outputting hole; a membrane electrode assembly device located in the reacting room, wherein the reacting room is divided into an anode electrode space and a cathode electrode space connected to the outside through a pipe, the volume of the anode electrode space and the cathode electrode space can be changed by moving the membrane electrode assembly device.

A component for a fuel cell is provided. The component includes a metal gas diffusion layer (M-GDL) plate, a bipolar plate (BPP) and a catalyst coated membrane (CCM). The M-GDL has a diffusion area wherein a plurality of apertures extend through the M-GDL and a frame area substantially surrounding the diffusion area, and the BPP has a plurality of gas flow channels on a surface thereof. The fuel cell component is characterised in that the M-GDL is laminated to the BPP. The laminate is arranged so that the catalyst coating of the CCM is in flow communication with the apertures of the diffusion area and at least some of the gas flow channels. In some embodiments, the M-GDL may be laminated to the BPP to create a fluid impervious seal about the frame area.

A gasket includes a reinforcing body made of a resin film, a one-side gasket body on one surface of the reinforcing body, and another-side gasket body on another surface of the reinforcing body. The reinforcing body has, between both gasket bodies, a three-dimensional shape in which the resin film is bent. The one-side gasket body includes an inversely-tapered engaging convex portion protruding toward the other-side gasket body, the reinforcing body includes a deformation portion as the three-dimensional shape deforming along a shape of the engaging convex portion, and the other-side gasket body includes an inversely-tapered engaging concave portion embedding therein the engaging convex portion and the deformation portion. At least one of the one-side gasket body and the other-side gasket body includes a flat surface-shaped seal surface, and the reinforcing body has a convex shape as the three-dimensional shape protruding toward the flat surface-shaped seal surface.

A composite cell plate can include a polymer element laterally mated and interlocked, at a plurality of engagement points, with a resilient metal element. The cell plate can be used in an electrochemical cell. A method of forming a cell plate can include fitting a polymer element to a resilient metal element at a plurality of engagement points, and expanding the polymer of the polymer element such that the polymer element and the resilient metal element engage and interlock at the engagement points.

The purpose of this invention is to make it easy to handle all-rubber gaskets. To achieve this purpose, a gasket is characterized in that a gasket body of only rubber is combined with a carrier film that is made from a resin film to hold the gasket body in a non-adhesive state. A three-dimensional portion having a shape that is deformed along the external shape of the gasket body is provided at a position where the gasket body and a plane of the carrier film overlap, and a portion of the gasket body is contained in the three-dimensional section. The gasket body is used as a gasket for fuel cells incorporated into a fuel cell stack.

An electrochemical reactor, including a flow guide; a membrane/electrode assembly; a peripheral seal; an intermediate seal encircled by the peripheral seal and encircling a reaction zone of the electrochemical reactor; a first flow circuit for cooling fluid arranged between the peripheral seal and the intermediate seal, including a first flow channel extending along the peripheral seal; a second flow channel extending along the intermediate seal; and a third flow channel connecting the respective second ends of the first and second flow channels, so that a fluid introduced at the level of the first manifold must pass through the third flow channel to return to the second manifold.

A fuel cell separator with a gasket for improved sealing is provided. The fuel cell separator with a gasket is capable of improving the contact pressure of a cooling surface-side airtight line by additionally forming a sub-airtight line in a region in which a gas aperture is not formed at a cooling surface-side position that corresponds to the cooling surface-side airtight line of the separator.

In a method of producing a fuel cell stack, press forming of a first metal separator of a power generation cell is performed to thereby form a first seal line as a seal around at least an oxygen-containing gas flow field. Further, a preliminary load is applied to the first seal line to thereby plastically deform the first seal line. Further, a joint separator and a membrane electrode assembly are stacked together, and a tightening load is applied to the joint separator and the membrane electrode assembly in a stacking direction, to thereby assemble the fuel cell stack.

The present invention relates to a microbial fuel cell using an electron absorber having high reduction potential, and a method of generating electric energy using same, and more specifically, to: a microbial fuel cell in which an electron absorber solution having high reduction potential is used as a reduction electrolyte, an organic solution that is an electron donor is used as an oxidization electrolyte, the reduced reduction electrolyte is regenerated through electrolysis in an electrolysis battery and re-supplied to the reduction electrolyte, a separation membrane provided with one or more O-rings in order to prevent leakage is included, hydrogen gas generated from the electrolysis can be supplied to a fuel cell to generate additional electric energy, such that a large quantity of electric power can be generated cost-efficiently, energy from an existing electricity generation system, such as solar electric energy.