Abstract
Experimental and theoretical studies for bistability between spatially uniform and non-uniform electrochemical oscillations are performed, by taking a current oscillation of N-NDR type, appearing in H 2O 2 reduction on platinum (Pt) ring electrodes, as a model system. Nonlinear bifurcation analysis of the model equations revealed that the bistability occurs in regions where both spatially uniform and non-uniform oscillations are stable. The strategy for understanding of the bistability can be applied generally to oscillatory reaction-diffusion systems.
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