Flexible ruthenium oxide-activated carbon cloth composites prepared by simple electrodeposition methods

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Title: Flexible ruthenium oxide-activated carbon cloth composites prepared by simple electrodeposition methods
Authors: Sieben, Juan Manuel | Morallon, Emilia | Cazorla-Amorós, Diego
Research Group/s: Electrocatálisis y Electroquímica de Polímeros | Materiales Carbonosos y Medio Ambiente
Center, Department or Service: Universidad de Alicante. Departamento de Química Física | Universidad de Alicante. Departamento de Química Inorgánica | Universidad de Alicante. Instituto Universitario de Materiales
Keywords: Supercapacitors | Flexible electrodes | Ruthenium oxide
Knowledge Area: Química Física | Química Inorgánica
Issue Date: 1-Sep-2013
Publisher: Elsevier
Citation: Energy. 2013, 58: 519-526. doi:10.1016/j.energy.2013.04.077
Abstract: This work focuses on the preparation of flexible ruthenium oxide containing activated carbon cloth by electrodeposition. Different electrodeposition methods have been used, including chronoamperometry, chronopotentiometry and cyclic voltammetry. The electrochemical properties of the obtained materials have been measured. The results show that the potentiostatic method allows preparing composites with higher specific capacitance than the pristine activated carbon cloth. The capacitance values measured by cyclic voltammetry at 10 mV s−1 and 1 V of potential window were up to 160 and 180 F g−1. This means an improvement of 82% and 100% with respect to the capacitance of the pristine activated carbon cloth. This excellent capacitance enhancement is attributed to the small particle size (4–5 nm) and the three-dimensional nanoporous network of the ruthenium oxide film which allows reaching very high degree of oxide utilization without blocking the pore structure of the activated carbon cloth. In addition, the electrodes maintain the mechanical properties of the carbon cloth and can be useful for flexible devices.
Sponsor: Financial support by the Ministerio de Economía y Competitividad (MAT2010-15273) and Generalitat Valenciana and FEDER (PROMETEO/2009/047) projects are gratefully acknowledged. J.M.S. thanks Ministerio de Educación (SB2010-132).
URI: http://hdl.handle.net/10045/38695
ISSN: 0360-5442 (Print) | 1873-6785 (Online)
DOI: 10.1016/j.energy.2013.04.077
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
Publisher version: http://dx.doi.org/10.1016/j.energy.2013.04.077
Appears in Collections:INV - GEPE - Artículos de Revistas
INV - MCMA - Artículos de Revistas

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