초록 ▼

A monopolar membrane-electrode assembly includes an electrolyte membrane with a plurality of cell regions, an anode supporting body and a cathode supporting body on both sides of the electrolyte membrane, respectively having a plurality of apertures corresponding to the cell regions, a plurality of

A monopolar membrane-electrode assembly includes an electrolyte membrane with a plurality of cell regions, an anode supporting body and a cathode supporting body on both sides of the electrolyte membrane, respectively having a plurality of apertures corresponding to the cell regions, a plurality of anode and cathode current collectors, each including a current collecting portion to correspond to each aperture of the respective anode or cathode supporting body to collect current, a conducting portion connected to a side of the current collecting portion, and a connecting line that connects the conducting portion to an outside terminal, a plurality of anode and cathode electrodes respectively formed on the and the cathode current collecting portions, and a circuit unit connected to the connecting lines of the anode current collectors and the cathode current collectors, wherein the cells are connected in series or parallel, or electrically separated through the circuit unit.

대표청구항 ▼

1. A monopolar membrane-electrode assembly, comprising: an electrolyte membrane in which a plurality of cell regions are formed;an anode supporting body and a cathode supporting body on respective sides of the electrolyte membrane, each of the anode supporting body and the cathode supporting body ha

1. A monopolar membrane-electrode assembly, comprising: an electrolyte membrane in which a plurality of cell regions are formed;an anode supporting body and a cathode supporting body on respective sides of the electrolyte membrane, each of the anode supporting body and the cathode supporting body having a plurality of apertures that corresponds to the cell regions, the anode supporting body and the cathode supporting body respectively further including an anode extension portion and a cathode extension portion that correspond to each other,a plurality of anode current collectors, each comprising a current collecting portion to correspond to each aperture of the anode supporting body to collect current, a conducting portion connected to a side of the current collecting portion, and a connecting line connected to the conducting portion, wherein each anode current collector is integrally formed such that the current collecting portion includes conductive prongs that extend across the corresponding aperture of the anode supporting body, the conducting portion combines the conductive prongs of the current collecting body into a single conductive line that extends along a periphery of the anode supporting body to the anode extension portion and the connecting line is an extension of the conducting portion across the anode extension portion of the anode supporting body;a plurality of cathode current collectors, each comprising a current collecting portion to correspond to each aperture of the cathode supporting body to collect current, a conducting portion connected to a side of the current collector collecting portion, and a connecting line connected to the conducting portion, wherein each cathode current collector is integrally formed such that the current collecting portion includes conductive prongs that extend across the corresponding aperture of the cathode supporting body, the conducting portion combines the conductive prongs of the current collecting body into a single conductive line that extends along a periphery of the cathode supporting body to the cathode extension portion, and the connecting line is an extension of the conducting portion across the cathode extension portion of the cathode supporting body;a plurality of anode electrodes and a plurality of cathode electrodes respectively formed on the anode current collecting portion and the cathode current collecting portion such that unit cells are formed in the cell regions, and wherein each anode current collecting portion is between an anode electrode and the electrolyte membrane and each cathode current collecting portion is between a cathode electrode and the electrolyte membrane; anda circuit unit connected to the connecting lines of the anode current collectors and the cathode current collectors,wherein the circuit unit selectively connects the unit cells in series or in parallel, and selectively connects or disconnects one or more of the unit cells from remaining unit cells. 2. The monopolar membrane-electrode assembly of claim 1, wherein ends of the connecting lines of the anode current collectors and the cathode current collectors are respectively disposed on the anode extension portion and the cathode extension portion. 3. The monopolar membrane-electrode assembly of claim 1, wherein each current collector of the plurality of anode current collectors and the plurality of cathode current collectors is formed of a first metal or a conductive polymer having an electric conductivity of 1 S/cm or more. 4. The monopolar membrane-electrode assembly of claim 3, wherein the first metal is at least one of Ag, Au, Al, Ni, Cu, Pt, Ti, Mn, Zn, Fe, Sn, and an alloy of these metals. 5. The monopolar membrane-electrode assembly of claim 4, wherein a second metal is plated on the first metal. 6. The monopolar membrane-electrode assembly of claim 5, wherein the second metal is at least one of Ag, Au, Al, Ni, Cu, Pt, Ti, Mn, Zn, Fe, Sn, and an alloy of these metals. 7. The monopolar membrane-electrode assembly of claim 3, wherein the conductive polymer is at least one of polyaniline, polypyrrole, and polythiophene. 8. The monopolar membrane-electrode assembly of claim 1, wherein each of the anode supporting body and cathode supporting body is formed of a non-conductive polymer. 9. The monopolar membrane-electrode assembly of claim 8, wherein each of the anode supporting body and cathode supporting body is formed of at least one of polyimide, polyethylene, polypropylene, and polyvinylchloride. 10. The monopolar membrane-electrode assembly of claim 1, wherein the anode current collectors and the cathode current collectors are formed using at least one of a sputtering method, a chemical vapor deposition (CVD) method, an electrical deposition method, a patterning method, and a metal etching method.