Shil'nikov chaos in the oxidation of formic acid with bismuth ion on Pt ring 
electrode

Noh, Taegeun

doi:10.1016/j.electacta.2009.01.043

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Shil'nikov chaos in the oxidation of formic acid with bismuth ion on Pt ring electrode

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Noh, Taegeun
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Noh, T. (2009). Shil'nikov chaos in the oxidation of formic acid with bismuth ion on Pt ring electrode. Electrochimica Acta, 54(13), 3657-3661. doi:10.1016/j.electacta.2009.01.043.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0010-F95C-3

Abstract

We report experimental observations of potential oscillations in electrocatalytic oxidation of formic acid with bismuth ion on the Pt ring electrode. Potential oscillations were investigated under galvanostatic conditions. The presence of bismuth ion enables to get the low and stable potential values at larger current range. Periodic and Shil'nikov chaotic potential oscillations were observed at fixed current. To extract information from the oscillation pattern, we used time series, reconstructed attractor, next-maximum map, pattern formation of interfacial potential above ring electrode.