BigPatents India

The invention is a fuel cell made of a fuel plenum with fuel, an oxidant plenum with oxidant, a porous substrate communicating the fuel and oxidant plenum, a channel formed by the porous substrate, an anode, a cathode, electrolyte in a portion of the channel contacting the anode and the cathode preventing transfer of fuel to the cathode and preventing transfer of oxidant to the anode, a first coating to prevent fuel from entering a portion of the porous substrate, a second coating to prevent oxidant from entering a portion of the porous substrate, two sealant barriers, and a positive and negative electrical connection, wherein the invention also involves a multiple fuel cell layer structure, a bi-level fuel cell layer structure, and a method for making a fuel cell layer.