A significant drop in current densities is observed in the first 2 h of testing, after which currents are relatively stable but still show a decreasing trend.
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Highly Efficient Oxygen Electrode Obtained by Sequential Deposition of Transition Metal-Platinum Alloys on Graphene Nanoplatelets.
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The sentences
An interesting trend was observed when comparing the data obtained herein to catalysts synthesised by simultaneous deposition [ 5 ].