Abstract: The present invention relates to a module for cooling a heating element and a motor including the same. The module for cooling the heating element, according to the present invention, can comprise: a flat plate-shaped heat pipe containing working fluid therein, coming into close contact with the heating element, and including a condensation region which does not come into contact with the heating element; and a cooling channel connected to the condensation region, and cooling the heat pipe by a refrigerant.

Abstract: The polymer electrolyte membrane of the present invention includes a proton conductive cation exchange resin, a non-proton-conductive polymer, and an inorganic additive. The inorganic additive is adapted to inhibit a phase separation between the proton conductive cation exchange resin and the non-proton-conductive polymer.

Abstract: The present invention relates to a membrane-electrode assembly for a fuel cell and a fuel cell system comprising the same. The membrane-electrode assembly includes an anode and a cathode facing each other and a polymer electrolyte membrane positioned therebetween. The polymer electrolyte membrane adheres to the anode through a binder disposed between the polymer electrolyte membrane and the anode, and adheres to the cathode through a binder disposed between the polymer electrolyte membrane and the cathode. The binder and the polymer electrolyte membrane can include a cation exchange resin and an inorganic additive.

Abstract: The present invention relates to a membrane-electrode assembly for a fuel cell and a fuel cell system comprising the same. The membrane-electrode assembly includes an anode and a cathode facing each other and a polymer electrolyte membrane positioned therebetween. The polymer electrolyte membrane adheres to the anode through a binder disposed between the polymer electrolyte membrane and the anode, and adheres to the cathode through a binder disposed between the polymer electrolyte membrane and the cathode. The binder and the polymer electrolyte membrane can include a cation exchange resin and an inorganic additive.

Abstract: A membrane-electrode assembly includes a polymer electrolyte membrane with an anode and a cathode on opposite sides. Each of the anode and the cathode includes an electrode substrate, and a catalyst layer is formed on at least one of the electrode substrates and includes at least one proton conductive crosslinked polymer. The membrane-electrode assembly may include catalyst layers that are positioned on opposite sides of a polymer electrolyte membrane, either of which includes at least one crosslinked proton conductive polymer.

Abstract: The membrane-electrode assembly of the present invention includes an anode and a cathode facing each other, and a polymer electrolyte membrane interposed therebetween. At least one of the anode and the cathode includes an electrode substrate and a metal catalyst layer disposed thereon. The metal catalyst layer includes a metal catalyst and a liquid crystal material.

Abstract: The polymer electrolyte membrane of the present invention includes polymers having a fluoroalkyl group and a proton conductive group. The present invention also provides a membrane-electrode assembly, a fuel cell system including the polymer electrolyte membrane, and a method of making the polymer electrolyte membrane by a chemical grafting method. The amount of the proton conductive groups in the polymer electrolyte membrane can be controlled, the membrane thickness can be easily controlled, adherence between a polymer electrolyte membrane and an electrode is improved due to the fluoroalkyl of the polymer, and long-term stability of a membrane-electrode assembly is improved.

Abstract: The polymer electrolyte membrane according to the present invention includes a proton-conducting polymer including metal ions bound to polyalkylene oxide. The polymer electrolyte membrane can save manufacturing cost of a fuel cell and improve proton conductivity and mechanical strength.

Abstract: A polymer electrolyte membrane for a direct oxidation fuel cell includes a porous polymer supporter having a plurality of pores, and a hydrocarbon fuel diffusion barrier layer which is formed on the polymer supporter and contains an inorganic additive dispersed in a cation exchange resin.

Abstract: Disclosed is an electrolyte for a rechargeable lithium battery including an additive for overcharge inhibition comprising a compound represented by formula 1; a lithium salt; and a non-aqueous organic solvent: where R1, R2 and R3 are the same or independently selected from H, CH3, C2H5, CH?CH2, CH?CHCH3, or a functional group with N, P, or S.

Abstract: Disclosed in an electrolyte for a rechargeable lithium battery, including a mixture of organic solvents including a cyclic solvent and a nitrile-based solvent represented by formula 1 and a lithium salt.

Abstract: A membrane-electrode assembly includes a polymer electrolyte membrane with an anode and a cathode on opposite sides. Each of the anode and the cathode includes an electrode substrate, and a catalyst layer is formed on at least one of the electrode substrates and includes at least one proton conductive crosslinked polymer. The membrane-electrode assembly may include catalyst layers that are positioned on opposite sides of a polymer electrolyte membrane, either of which includes at least one crosslinked proton conductive polymer.

Abstract: An electrode for a fuel cell and a fuel cell system including the electrode. The electrode includes an electrode substrate including carbon fiber and a hydrophobic polymer fiber, and a catalyst layer on the electrode substrate. As such, the electrode uniformly includes the hydrophobic polymer fiber thereon, and therefore can uniformly release and maintain water generated during operation of the fuel cell, thereby improving fuel cell characteristics.

Abstract: A proton conducting polymer having a repeating unit given by formula (1) below is provided. A proton conducting polymer membrane manufactured using the proton conducting polymer can be more easily manufactured than a conventional fluorine-based membrane and can be commercialized as an automobile fuel cell due to its low cost of production. Also, the proton conducting polymer membrane has high moisture content and does not cause the water flooding at high current density, thereby improving the efficiency of a cell. In addition, the proton conducting polymer membrane enables a fuel cell to stably operate at temperatures of 100° C. or higher, thereby preventing the poisoning of a catalyst and extending the lifetime of the fuel cell.

Abstract: A pouched lithium secondary battery including a battery unit having a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate; a positive electrode tab electrically connected with the positive electrode plate; a negative electrode tab electrically connected with the negative electrode plate; a case having a space to accommodate the battery unit, and a sealing edge around the space; and a positive electrode voltage applying unit to apply a positive electrode voltage to both the positive electrode tab and the case.

Abstract: The membrane-electrode assembly of the present invention includes an anode and a cathode facing each other, and a polymer electrolyte membrane interposed therebetween. At least one of the anode and the cathode includes an electrode substrate and a metal catalyst layer disposed thereon. The metal catalyst layer includes a metal catalyst and a liquid crystal material.

Abstract: The polymer electrolyte membrane of the present invention includes polymers having a fluoroalkyl group and a proton conductive group. The present invention also provides a membrane-electrode assembly, a fuel cell system including the polymer electrolyte membrane, and a method of making the polymer electrolyte membrane by a chemical grafting method. The amount of the proton conductive groups in the polymer electrolyte membrane can be controlled, the membrane thickness can be easily controlled, adherence between a polymer electrolyte membrane and an electrode is improved due to the fluoroalkyl of the polymer, and long-term stability of a membrane-electrode assembly is improved.

Abstract: The polymer electrolyte membrane of the present invention includes a proton conductive cation exchange resin, a non-proton-conductive polymer, and an inorganic additive. The inorganic additive is adapted to inhibit a phase separation between the proton conductive cation exchange resin and the non-proton-conductive polymer.

Abstract: A polymer electrolyte membrane for a direct oxidation fuel cell includes a porous polymer supporter having a plurality of pores, and a hydrocarbon fuel diffusion barrier layer which is formed on the polymer supporter and contains an inorganic additive dispersed in a cation exchange resin.

Abstract: A secondary cell capable of ensuring thermal and mechanical stabilities required for a high-capacity cell with a simple structure is provided. The secondary cell includes: a can; and an electrode jelly-roll wound with two different electrodes and a separator interposed between the electrodes therein and accommodated in the can, the outer surface of the electrode jelly-roll being wound around one more turn with the separator. Only the separator is wound at the core of the electrode jelly-roll to form a rod-like stability member which is cured by absorbing heat generated from the cell. The separator wound at the core of the electrode jelly-roll is continuous from a portion of the separator which is stacked with the two different electrodes.