A membrane electrode assembly includes: an electrolyte membrane; a cathode and an anode, each being stacked on the electrolyte membrane; and subgaskets bonded to a peripheral region of the electrolyte membrane, which is outside an active area, in which each of the cathode and the anode are stacked on the electrolyte membrane. The electrolyte membrane is disposed in at least a portion of the peripheral region of the electrolyte membrane, which is outside the active area, with a water discharge blocking region for preventing water in the electrolyte membrane from diffusing and being discharged to outside.

Solid-state separator for electrochemical systems, wherein the solid-state separator consists of a plurality of ion-conducting solid-state segments, and the individual solid-state segments are connected by means of a deformable, electrically insulating material.

Solid-state separator for electrochemical systems, wherein the solid-state separator consists of a plurality of ion-conducting solid-state segments, and the individual solid-state segments are connected by means of a deformable, electrically insulating material.

The present specification provides a polymer electrolyte membrane, a membrane electrode assembly including the polymer electrolyte membrane, and a fuel cell including the membrane electrode assembly.

The present specification provides a polymer electrolyte membrane, a membrane electrode assembly including the polymer electrolyte membrane, and a fuel cell including the membrane electrode assembly.

Disclosed is a membrane-electrode assembly having increased active area, improved fluid management capability, and decreased gas transfer resistance due to electrodes having patterned structures on both sides. Also disclosed are a method for manufacturing same, and a fuel cell comprising same. A membrane-electrode assembly according to the present invention comprises: a first electrode; a second electrode; and a polymer electrolyte membrane between the first and second electrodes, wherein the first electrode has a first surface facing the polymer electrolyte membrane and a second surface opposite the first surface, the first surface having a first patterned structure, and the second surface having a second patterned structure.

A solid state battery includes a flexible polymer sheet, and an array of solid state pillars supported by and extending through the sheet. Each of the pillars has an anode layer, a cathode layer adjacent, and an inorganic solid electrolyte (ISE) layer interposed between the anode and cathode layers.

The present specification provides a polymer electrolyte membrane, a membrane electrode assembly including the polymer electrolyte membrane, and a fuel cell including the membrane electrode assembly.

A joined base material includes a real base material having an elongated strip shape including a support film and an electrolyte membrane laminated on each other, a dummy base material having an elongated strip shape including a first layer and a second layer laminated on each other, and a connecting member connecting the real base material and the dummy base material to each other. The connecting member includes a first part that adheres to the real base material, a second part that adheres to the dummy base material, and a third part located between the first part and the second part and overlaid on an end portion of the real base material and an end portion of the dummy base material. Adhesive power in the third part is smaller than adhesive power in the first part and adhesive power in the second part.

A joined base material includes a real base material having an elongated strip shape including a support film and an electrolyte membrane laminated on each other, a dummy base material having an elongated strip shape including a first layer and a second layer laminated on each other, and a connecting member connecting the real base material and the dummy base material to each other. The connecting member includes a first part that adheres to the real base material, a second part that adheres to the dummy base material, and a third part located between the first part and the second part and overlaid on an end portion of the real base material and an end portion of the dummy base material. Adhesive power in the third part is smaller than adhesive power in the first part and adhesive power in the second part.