A battery module can include a plurality of stacked battery cells, an inner venting sheet that is disposed at a side of the battery cells, the inner venting sheet including an inner notch part having a thickness smaller than a thickness of a peripheral are...

In an embodiment a method includes manufacturing a membrane-electrode-gas diffusion layer assembly (MEGA) fabric by bonding a gas diffusion layer (GDL) material to a first surface of a membrane-electrode assembly (MEA) fabric, injecting, by a steam injecto...