Abstract
In order to enhance silver effectiveness for oxygen reduction reaction, pillared clay was used as a support for silver nanodispersion. Silver particles incorporation into pillared clay pores was attempted by impregnation/thermal degradation technique. X-ray diffraction as well as adsorption-desorption isotherms confirmed that pillaring procedure was successful. Scanning electron microscopy evidenced that a part of silver appeared outside the pillared clay cavities. Ag-pillared clay composite homogenized with 10 wt.% of nanodispersed carbon black (Vulcan), was applied on a flat glassy carbon surface and used as an electrode material. Oxygen reduction reaction was investigated in an O2-saturated aqueous 0.1 M NaOH solution.
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Acknowledgment
This work was supported by the Ministry of Science of Republic Serbia, contracts No. 166001B, No. 142019 and 142047.
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Mojović, Z., Milutinović-Nikolić, A., Banković, P. et al. Electrochemical behavior of silver-impregnated Al-pillared smectite in alkaline solution. J Solid State Electrochem 14, 1621–1627 (2010). https://doi.org/10.1007/s10008-010-1006-z
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DOI: https://doi.org/10.1007/s10008-010-1006-z