Korea Advanced Institute of Science and Technology

Seung-Wook Baek

Joongmyeon Bae

Changbo Lee

Jung Hyun Kim

Yu-Mi Kim

Gyujong Bae

Jaehwa Jeong

Kwangjin Park

Disclosed are a metal-supported solid oxide fuel cell and a method for manufacturing the metal-supported solid oxide fuel cell. The method includes: fixedly joining a metal support to one surface of a unit cell including a fuel electrode, an air electrode and an electrolyte layer interposed between the fuel and air electrodes to fabricate a metal-supported unit cell (S); fixing a first separator to the surface of the metal support opposite to the surface thereof to which the unit cell is joined (S); and assembling the first separator to which the metal-supported unit cell is fixed, an insulating member, a first current collecting member and a second separator (S). In the metal-supported solid oxide fuel cell, the metal support having a hollow portion in place of a mesh type current collector can be securely sealed to the first separator by direct welding to allow the fuel gas and air to be supplied to the unit cell through respective defined flow passages without being mixed or leakage. Due to this construction, the metal-supported solid oxide fuel cell is stable and has high energy production efficiency. Furthermore, the metal-supported solid oxide fuel cell has sufficient mechanical strength, resulting in improved durability and extended service life.

Metal-supported solid oxide fuel cell and manufacturing method thereof

The present invention relates to a fabrication method of a solid oxide fuel cell. The fabrication method of a fuel electrode and electrolyte of a solid oxide fuel cell (SOFC) in which a sheet cell including a fuel electrode sheet and an electrolyte sheet is positioned at an upper side of a surface of a fuel electrode pellet, comprising steps of (a) molding and heat-treating powder, in which a fuel electrode material is mixed with a pore forming agent, so as to prepare a fuel electrode pellet; (b) stacking the fuel electrode sheet containing the fuel electrode material and the electrolyte sheet containing an electrolyte material so as to prepare the sheet cell; and (c) coating an adhesive slurry containing the fuel electrode material on the sheet cell or the pellet and adhering the fuel electrode sheet of the sheet cell and the pellet and then heat-treating it.

Fabrication method of anode and electrolyte in solid oxide fuel cell

The present invention relates to a solid oxide fuel cell in which an anode is formed with a hollow portion, and the hollow portion may be used as a gas diffusion path, thereby improving gas diffusion performance, and the hollow portion may be also used as a reinforcement hole for reinforcing a strength or a current collecting hole for increasing a current collecting efficiency, thereby improving a cell strength and also increasing an efficiency of producing electric energy. The solid oxide fuel cell has an electrolyte layer; an anode; a cathode; and a hollow portion formed in the anode.

Solid oxide fuel cell

The present invention relates to a manufacturing method of an anode for a solid oxide fuel cell (SOFC), an anode, and a SOFC, in which an anode is formed by stacking sheets having a plurality of holes, and the holes are used as gas diffusion paths through which fuel gas can be facilely diffused, and some of the holes are filled with a reinforcement member or a current collecting member, thereby improving a cell strength and increasing a current collecting performance and thus an efficiency of the SOFC.

Growing community of inventors

Gyeongsangnam-do, South Korea

Seung-Wook Baek