Patent ID: 6864010

Claim:
A fuel cell layer for connecting to an external load comprising: a. a fuel plenum comprising fuel; b. an oxidant plenum comprising oxidant; c. a porous substrate communicating with said fuel plenum and said oxidant plenum, wherein said porous substrate further comprises a top, a bottom, a first side and a second side; d. a plurality of fuel cells formed using said porous substrate, each fuel cell comprising: i. a distinct channel comprising a first channel wall and a second channel wall; ii. a first catalyst layer disposed on said first channel wall; iii. a second catalyst layer disposed on said second channel wall; iv. an anode formed from said first catalyst layer and an cathode formed from said second catalyst layer; v. an electrolyte disposed in said distinct channel to prevent transfer of fuel to the cathode and to prevent transfer of oxidant to the anode; e. a first coating disposed on at least a portion of said porous substrate to prevent fuel from entering a portion of said porous substrate; f. a second coating disposed on at least a portion of said porous substrate to prevent oxidant from entering a portion of said porous substrate; g. a first sealant barrier disposed on the first side; h. a second sealant barrier disposed on the second side; i. a third sealant barrier disposed between said fuel cells; j. a positive electrical connection disposed on said first side; and k. a negative electrical connection disposed on said second side.