Table1. IR drop of various support collectors

Table2. Membrane-electrode assemblies composed of various anode catalyst powders

Table3. Membrane-electrode assemblies composed of various iron-exchange membranes

Fig.1 Cross sectional schematic of 50cm² cell

Fig.2 Micrographs of support collectors

Fig.3 Apparatus for measeurement of IR drop

Fig4. Schematic diagram of cell operating system

Fig5. Fabrication od membrane-electrode assembly by hot-press method

Fig6. Effect of hot-press temperature on assembly thickness

Fig7. Effect of kinds of catalysts on cell performance

Fig8. Cell voltage change with time

Fig9. Effect of kind of iron-exchange membrane on cell performance

Fig10. Effect of anode of catalyst loading amount on cell performance

Fig11. Effect of cathode of catalyst loading amount on cell performance