An improved hydrogen electrode comprising a porous sheet of carbon particles catalyzed by platinum or palladium and bonded together with a hydrophobic binder, preferably Teflon, so that the sheet is wetproofed. A conductive metallic screen coated on one side with a hydrophobic binder is laminated on...http://www.google.es/patents/US4159367?utm_source=gb-gplus-sharePatente US4159367 - Hydrogen electrochemical cell and rechargeable metal-hydrogen battery
Hydrogen electrochemical cell and rechargeable metal-hydrogen battery