Currently, the most effective way of increasing CO tolerance is the use of platinum alloys using oxophillic elements such as ruthenium, palladium and gold; an extremely costly solution. An enhancement in the CO tolerance of the platinum electrocatalysts systems for the aforementioned applications means: (a) the low temperature fuel cell systems would not require ultrapure hydrogen, and the process of hydrogen purification will become more efficient thereby reducing the existing costs significantly; (b) higher current and output power along with enhanced durability; (c) other processes such as hydrogenation of hydrocarbon which also face similar CO poisoning issues would become more effective and economical; and most importantly, (d) increased efficiency of platinum catalyse would mean reduced dependence on this rare, expensive and limited resource.