Abstract: An electrode separator structure includes a conductive gas-resistant plate and a conductive porous structure. The conductive gas-resistant plate has a receiving space and at least a set of an inlet port and an outlet port, wherein the inlet port and the outlet port have passages communicating the receiving space. The conductive porous structure is disposed in the receiving space and communicates with the set of the inlet port and the outlet port to form reaction gas flow paths, wherein the conductive porous structure includes plural holes laminated as at least two porous layers, and the at least two porous layers are laminated in a staggered arrangement along a direction vertical to an extending plane of the conductive porous structure.

Abstract: An electrode separator structure includes a conductive gas-resistant plate and a conductive porous structure. The conductive gas-resistant plate has a receiving space and at least a set of an inlet port and an outlet port, wherein the inlet port and the outlet port have passages communicating the receiving space. The conductive porous structure is disposed in the receiving space and communicates with the set of the inlet port and the outlet port to form reaction gas flow paths, wherein the conductive porous structure includes plural holes laminated as at least two porous layers, and the at least two porous layers are laminated in a staggered arrangement along a direction vertical to an extending plane of the conductive porous structure.

Abstract: A fuel cell system is provided, comprising a cell unit capable of gas exhausting. The cell unit comprises an anode current collector and a cathode current collector. A membrane electrode assembly (MEA) is interposed between the anode current collector and the cathode current collector. A frame is formed to surround the MEA, the anode current collector, and the cathode current collector. A hydrophilic gas-blocking layer is disposed adjacent to an anode side of the MEA, underlying the MEA and the frame. A hydrophobic gas-penetrating layer is disposed under the hydrophilic gas-blocking layer. At least one gas exhaust is disposed in the frame, exposing a part of the hydrophilic gas-blocking layer and contacting the area surrounding adjacent to the cell unit for exhausting a gas produced by the MEA from the cell unit.

Abstract: A flat fuel cell assembly including a membrane electrode assembly, a cathode porous current collector, an anode porous current collector and a gas barrier material layer is provided. The membrane electrode assembly includes a proton conducting membrane, an anode catalyst layer and a cathode catalyst layer disposed respectively on two sides of the proton conducting membrane, and an anode gas diffusion layer and a cathode gas diffusion layer disposed respectively on the anode catalyst layer and the cathode catalyst layer. The cathode porous current collector is disposed on one side of the cathode gas diffusion layer. The anode porous current collector is disposed on one side of the anode gas diffusion layer. The gas barrier material layer having at least an opening exposing the surface of the cathode gas diffusion layer is disposed on the cathode gas diffusion layer.

Abstract: A passive fuel cell system including at least one cell unit, an anode fuel supplying unit, a cathode fuel supplying unit, and a heat-conductive material layer is provided. The cell unit includes a cathode current collector, an anode current collector, and a membrane electrode assembly disposed between them. The anode fuel supplying unit is disposed on a side of the anode current collector, and the cathode fuel supplying unit is disposed on a side of the cathode current collector. The heat-conductive material layer is disposed between the cathode current collector and the cathode fuel supplying unit and/or between the anode current collector and the anode fuel supplying unit. And, a portion of the heat-conductive material layer extends to the outside of a cell system reaction area defined by the cell unit, the anode fuel supplying unit, and the cathode fuel supplying unit along a direction parallel to the cell unit.

Abstract: A flat fuel cell assembly including a membrane electrode assembly, a cathode porous current collector, an anode porous current collector and a gas barrier material layer is provided. The membrane electrode assembly includes a proton conducting membrane, an anode catalyst layer and a cathode catalyst layer disposed respectively on two sides of the proton conducting membrane, and an anode gas diffusion layer and a cathode gas diffusion layer disposed respectively on the anode catalyst layer and the cathode catalyst layer. The cathode porous current collector is disposed on one side of the cathode gas diffusion layer. The anode porous current collector is disposed on one side of the anode gas diffusion layer. The gas barrier material layer having at least an opening exposing the surface of the cathode gas diffusion layer is disposed on the cathode gas diffusion layer.

Abstract: A fuel cell system is provided, comprising a cell unit capable of gas exhausting. The cell unit comprises an anode current collector and a cathode current collector. A membrane electrode assembly (MEA) is interposed between the anode current collector and the cathode current collector. A frame is formed to surround the MEA, the anode current collector, and the cathode current collector. A hydrophilic gas-blocking layer is disposed adjacent to an anode side of the MEA, underlying the MEA and the frame. A hydrophobic gas-penetrating layer is disposed under the hydrophilic gas-blocking layer. At least one gas exhaust is disposed in the frame, exposing a part of the hydrophilic gas-blocking layer and contacting the area surrounding adjacent to the cell unit for exhausting a gas produced by the MEA from the cell unit.

Abstract: A fuel cell. A membrane electrode assembly includes a proton exchange membrane, a cathode electrode, and an anode electrode. The proton exchange membrane is disposed between the cathode and anode electrodes. A cathode porous current collector is disposed on the cathode electrode. An anode porous current collector is disposed on the anode electrode and opposite the cathode porous current collector. A cathode water-absorptive layer is disposed on the cathode porous current collector, absorbing or guiding water at the cathode electrode.