| 摘要 |
<p>Membrane Electrode Assemblies for Polymer Electrolyte Hydrogen and Direct Methanol Fuel Cells and Methods for Their Production Electrodes and membrane electrode assemblies for use in fuel cells are provided containing a plurality of layers of catalyst and binder, wherein the first layer ( 2 a , 2 b) adjacent to the PEM ( 1 ) of the plurality of layers ( 3 a , 3 b , 4 a , 4 b , 5 a , 5 b) contains a higher concentration of catalyst as compared to each subsequent layer of the electrode.</p> |
