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Title

INTRODUCING NEW PLATINUM ELECTROCATALYST BASED ON ZINC OXIDE NANO SUBSTRATE FOR OXYGEN REDUCTION REACTION AT POLYMER ELECTROLYTE MEMBRANE FUEL CELL

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Abstract

 INTRODUCTION: AS THE WORLD’S ENERGY DEMANDS INCREASE AND THERE BECOMES A STRAIN ON GLOBAL FOSSIL FUEL RESERVES, FUEL CELL SYSTEMS, PARTICULARLY POLYMER ELECTROLYTE MEMBRANE FUEL CELLS (PEMFCS), ARE BECOMING INCREASINGLY POPULAR AS AN ALTERNATIVE TO CURRENT ENERGY SYSTEMS [1-4]. HOWEVER, A MULTITUDE OF MATERIALS OTHER THAN CARBON BLACKS (CBS) HAVE BEEN INVESTIGATED AS CATALYST SUPPORTS FOR PEMFCS.OVER THE LAST DECADE OR SO, THE FOCUS HAS SHIFTED TOWARDS NANOSTRUCTURED SUPPORTS AS THEY ENABLE FASTER ELECTRON TRANSFER AND HIGH ELECTROCATALYTIC ACTIVITY. AMONG NON-CARBONACEOUS BASED MATERIALS, TITANIUM OXIDE, SILICON DIOXIDE, TIN OXIDE, INDIUM TIN OXIDE NANOSTRUCTURES HAVE BEEN INVESTIGATED .THE SEARCH FOR NON-CARBONACEOUS BASED SUPPORTS IS PARTICULARLY ESSENTIAL TO DEAL WITH THE ISSUE OF CARBON CORROSION [4].

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