Aytac, AylinGurbuz, MehmetSanli, A. Elif2025-10-242025-10-2420110360-31991879-3487https://doi.org/10.1016/j.ijhydene.2011.05.079https://hdl.handle.net/20.500.12899/3426In this study, Ni deposited carbon fiber electrode (Ni/CF) prepared by electroless deposition method was examined for their redox process and electrocatalytic activities during the oxidation of hydrogen peroxide and sodium borohydride in alkaline solutions. The Ni/CF catalyst was characterized by X-ray diffraction (XRD), energy dispersive X-ray analysis (EDAX), scanning electron microscopy (SEM) and electrochemical voltammetry analysis. The electrocatalytic activity of the Ni/CF for oxidation of hydrogen peroxide and sodium borohydride in alkaline solutions was investigated by cyclic voltammetry. The anodic peak current density is found to be three times higher on Ni/CF catalyst for sodium borohydride compared to that for hydrogen peroxide. Preliminary tests on a single cell of a direct borohydride/peroxide fuel cell (DBPFC) and direct peroxide/peroxide fuel cell (DPPFC) indicate that DBPFC with the power density of 5.9 mW cm(-2) provides higher performance than DPPFC (3.8 mWcm(-2)). Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.eninfo:eu-repo/semantics/closedAccessNickel; Hydrogen peroxide; Sodium borohydride; Alkaline fuel cellsArticle10.1016/j.ijhydene.2011.05.079361610013100212-s2.0-79960914940Q1WOS:000294374800067Q1