摘要:
A fuel cell stack including an electricity generating unit for generating electrical energy by electrochemically reacting a fuel and an oxidizing agent, the electricity generating unit including: a first separator; a second separator; a membrane electrode assembly (MEA) between the first separator and the second separator, each of the first and second separators including a channel on a surface facing the MEA and a manifold in the surface facing the MEA, the manifold communicating with the channel; and a gasket, positioned at an outer circumference portion of an area where the MEA is positioned, for sealing a space between the first and second separators and for covering an open area of a channel extension area of at least one of the first and second separators where the manifold communicates with the channel.
摘要:
A fuel cell stack including an electricity generating unit for generating electrical energy by electrochemically reacting a fuel and an oxidizing agent, the electricity generating unit including: a first separator; a second separator; a membrane electrode assembly (MEA) between the first separator and the second separator, each of the first and second separators including a channel on a surface facing the MEA and a manifold in the surface facing the MEA, the manifold communicating with the channel; and a gasket, positioned at an outer circumference portion of an area where the MEA is positioned, for sealing a space between the first and second separators and for covering an open area of a channel extension area of at least one of the first and second separators where the manifold communicates with the channel.
摘要:
A fuel cell stack includes a plurality of membrane electrode assemblies (MEAs) and a stamped metal separator. The metal separator is positioned between the membrane electrode assemblies. The separator includes at least one channel on both surfaces of the separator formed by a stamping process. The separator comprises a plurality of holes, each of which form a manifold communicating with each the channels.
摘要:
A membrane-electrode assembly for a fuel cell including an anode and a cathode disposed to face each other and a polymer electrolyte membrane disposed therebetween. The anode and the cathode include a conductive electrode substrate and a catalyst layer formed thereon. The catalyst layer includes ion conductive polymer particles and a catalytic metal. The resulting membrane-electrode assembly has an increased driving voltage.
摘要:
Disclosed are a branched polycarbonate resin composition that includes: (A) a polycarbonate resin; (B) a polymer including a reactive group being capable of reacting with a hydroxyl group; and (C) an ionic compound including an alkali metal ion, organic cation, or a combination thereof, and a branched polycarbonate resin and a molded product using the same.
摘要:
The present invention relates to a polymer electrolyte membrane for a fuel cell, a method for manufacturing the polymer electrolyte membrane, a membrane-electrode assembly for a fuel cell including the polymer electrolyte membrane, and a fuel cell system including the membrane-electrode assembly. The polymer electrolyte membrane includes a proton-conductive polymer membrane including a polymer micelle inside a hydrophilic channel. Herein, the micelle includes a vinyl-based polymer obtained from polymerization of a vinyl-based monomer and an anionic surfactant surrounding the vinyl-based polymer.
摘要:
The separator for a fuel cell according to an example embodiment of the present invention includes a substrate including flow channels, and a surface-treatment layer disposed on the flow channels. The surface-treatment layer has a contact angle no more than 30° when measured with water. The separator for a fuel cell can smoothly supply an oxidant and a fuel and easily release reaction products produced during the electrochemical reaction of the fuel cell, and can thereby improve fuel cell characteristics.
摘要:
The present invention relates to a polymer electrolyte membrane for a fuel cell, a method for manufacturing the polymer electrolyte membrane, a membrane-electrode assembly for a fuel cell including the polymer electrolyte membrane, and a fuel cell system including the membrane-electrode assembly. The polymer electrolyte membrane includes a proton-conductive polymer membrane including a polymer micelle inside a hydrophilic channel. Herein, the micelle includes a vinyl-based polymer obtained from polymerization of a vinyl-based monomer and an anionic surfactant surrounding the vinyl-based polymer.
摘要:
The present invention relates to a polymer electrolyte membrane for a fuel cell, a method for manufacturing the polymer electrolyte membrane, a membrane-electrode assembly for a fuel cell including the polymer electrolyte membrane, and a fuel cell system including the membrane-electrode assembly. The polymer electrolyte membrane includes a proton-conductive polymer membrane including a polymer micelle inside a hydrophilic channel. Herein, the micelle includes a vinyl-based polymer obtained from polymerization of a vinyl-based monomer and an anionic surfactant surrounding the vinyl-based polymer.
摘要:
A fuel cartridge capable of supplying two fuels to an anode of a fuel cell body without using a pump, a direct methanol fuel cell having the same, and a method of purging a direct methanol fuel cell using the fuel cartridge, fuel cartridge according to one exemplary embodiment comprising a first storage unit having a first port for entrance and exit of a fluid and storing a liquid first fuel; and a second storage unit having a second port for entrance and exit of a fluid and filling a second fuel at a constant pressure, wherein the first fuel is discharged into the first port by the pressure of the second fuel.