... solid oxide fuel cells yttrium zirconium New materials and concepts are sought to reduce SOFC operating temperatures well below 700 ° C in order that they are able to apply in distributed combined heat and power (CHP) units as well as electric vehicles. Two basic issues...

... – 1149 . 10.1016/0167-2738(96)00386-4 26 06 2007 02 06 2008 30 12 2009 30 12 2009 bismuth compounds electrolytes scandium solid oxide fuel cells zirconium electrolyte scandia stabilized zirconia bismuth oxide IT-SOFC Zirconia based oxides still remain...

... electrochemical electrodes lanthanum nickel platinum praseodymium reduction (chemical) ruthenium scandium compounds solid oxide fuel cells yttrium compounds zirconium SOFC composite anodes Ni/8YSZ and Ni/ScCeSZ methane steam reforming perovskite and fluoritelike oxide promoters Pd Pt Ru...

... performance is shown to be dependent on inlet steam flow rate. 19 07 2005 19 10 2005 solid oxide fuel cells hydrogen economy solid electrolytes electrolysis zirconium stainless steel steam electrochemical electrodes scandium current density Currently there is strong interest...

... cells hydrogen economy current density solid electrolytes stability scandium zirconium steam 29 06 2004 01 02 2005 Cell efficiency can be calculated for either the fuel-cell or electrolysis mode of operation. For the electrolysis mode, a “thermal efficiency” can be obtained...