Hyundai Motor Company

Chae Won Lim

Bo Ki Hong

Kook Il Han

Sang Hyun Cho

Ji Yeon Park

Byeong Heon Jeong

Yong Joon Cho

Do-Woon Cho

A membrane-electrode assembly (MEA) for fuel cells includes an electricity-generating array including an anode, a cathode, and an electrolyte membrane. A subgasket array includes an anode subgasket surrounding a periphery of the anode and a cathode subgasket surrounding a periphery of the cathode. A junction array includes a polar junction and a nonpolar junction surrounding a periphery of the electrolyte membrane and attaching the anode subgasket and the cathode subgasket to each other.

Membrane-electrode assembly (MEA) for fuel cells

A projection welding gun device includes an upper welding tip and a lower welding tip that are combined with a gun body through a shank, where the upper welding tip presses an upper panel corresponding to a protrusion portion that is formed on a lower panel to weld the upper and lower panels, and a rotation unit that is rotated by a driving portion is disposed between the gun body and the shank to rotate the shank.

Projection welding device

Growing community of inventors

Uijeongbu-si, South Korea

Chae Won Lim