Potentiometric measurement of state-of-charge of lead-acid battery by using a bridged ferrocene surface modified electrode |
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| Affiliation: | 1. Division of Science and Engineering, Department of Chemistry, Murdoch University, WA 6150, Australia;2. Department of Chemistry, University of Western Australia, Crawley, WA 6009, Australia;1. Laboratoire de Chimie du Gaz Naturel, Faculté de Chimie, USTHB, BP 32 El Alia, 16111 Bab Ezzouar, Alger, Algeria;2. Unité de Catalyse et de Chimie du Solide, UMR CNRS 8181, Université Lille1, ENSCL, Cité Scientifique, 59655 Villeneuve d’Ascq, France;1. Research Institute of Applied Catalysis, School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China;2. Key Laboratory for Advanced Materials and Research Institute of Industrial catalysis, East China University of Science and Technology, Shanghai 200237, China;1. Department of Chemistry, Karadeniz Technical University, 61080 Trabzon, Turkey;2. Department of Chemistry, Giresun University, Giresun, Turkey |
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| Abstract: | Alkanethiol bridged, 3-(11-mercaptoundecyl)3](1,1′) ferrocenophane and 3-(11-mercaptoundecyl)5](1,1′) ferrocenophane were synthesized and their electrochemical behaviour in aqueous sulphuric acid electrolyte investigated. It is found that these compounds, chemisorbed on a gold substrate, undergo reversible electrochemical oxidation/reduction. The anodic and cathodic peak potentials are independent of the acid concentration in the range 1.0 × 10−2 to 1.0 × 10−7 M but change linearly with the acid concentration in the range 1–5 M. While this behaviour is similar to that for other ferrocenes like 3](1,1′) ferrocenophane and 5](1,1′) ferrocenophane the materials are much more chemically stable in aqueous sulphuric acid media. The presence of thiol group enhances the retainability of the bridged ferrocene while maintaining its chemical stability. The possibility of applying this observation for determining state-of-charge of lead-acid battery is discussed. |
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