This paper reports the comparison of the electrochemical properties of 3D PLA-graphene electrodes (PLA-G) under different activation conditions and through different processes.

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Cobalt-Prussian blue analogues are remarkable catalysts for the oxygen evolution reaction (water oxidation) under mild conditions such as neutral pH. Although there is extensive reports on literature about the application...

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Electrocatalytic processes of water oxidation and oxygen reduction reactions are getting highlighted due to its importance in the development of electrochemical systems to convert and store energy. Oxygen reduction reaction (ORR) in acid and alkaline aqueous solutions demonstrate kinetics and thermodynamic complexity. In sight of that, electrocatalytic analysis of the Fe II 3 [Fe III (CN) 6 ] 2 (PB) and Co II 3 [Fe III/II (CN) 6 ] 2 (Co-PBA) thin films (prepared by electrodeposition) for water oxidation reaction (WOR) and oxygen reduction reaction (ORR) were evaluated in acid aqueous solution and in KCl (0.1M) and KNO 3 (0.5M) electrolytes. The PBAs catalysts thin films are highly stable and capable of keeping its catalytic activities during several cycles.