INNOVATIVE MEMBRANE ELECTRODE ASSEMBLY (MEA) DESIGN FOR PROTON EXCHANGE MEMBRANE FUEL CELL (PEMFC)

摘要

THE PRESENT INVENTION RELATES TO A MEMBRANE ELECTRODE ASSEMBLY (MEA) FOR THE USE IN PROTON-EXCHANGE MEMBRANE FUEL CELL (PEMFC), COMPRISING: A) A POLYMER MEMBRANE (33) WITH A FRONT AND BACK SURFACE; B) AN ELECTROCATALYST (32, 34) ATTACHED TO EACH OF THE FRONT AND THE BACK SURFACES OF THE POLYMER MEMBRANE (33), RESPECTIVELY, WHEREIN THE ELECTROCATALYST (32, 34) COMPRISING A CONTINUOUS COLUMN OF ELECTRODE (37) IMPREGNATED AT SPACED LOCATION WITH CATALYTIC MATERIAL (36); AND C) TWO GAS DIFFUSION LAYERS (31, 35) COVERING ANOTHER SURFACE OF THE ELECTROCATALYST (32, 34) WHICH ARE NOT ATTACHED TO THE POLYMER MEMBRANE (33). FIGURE 1