Computer-aided design and experimental application of a novel electrochemical cell: the confluence reactor

Article Abstract:

A novel electrochemical device called confluence reactor was designed using finite element simulations to be able to establish a cell geometry and solution velocities for maintaining well-defined hydrodynamic conditions. The feasibility of the confluence reactor was examined through computational simulation and experimental studies. Both experimental and computational simulation results showed that the confluence reactor is a simple, inexpensive and effective tool for analyzing chemical and electrochemical processes.

Usage, Hydrodynamics, Finite element method

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Mechanistic analysis of electrochemical oscillators using derivative feedback control techniques

Article Abstract:

Two derivative feedback control tests were theoretically and experimentally evaluated to determine their effectiveness in providing mechanistic information on unknown electromechanical oscillators. The first control method facilitated the characterization of a genuine potentiostatic oscillator without an existing knowledge on the ohmic resistance. The second method provided a tool for the experimental differentiation of qualitatively varied oscillatory mechanisms within the hidden negative differential resistance.

Feedback control systems

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Transient experiments on CO2 formation by the CO oxidation reaction over oxygen-rich Ru(0001) surfaces

Article Abstract:

Transient CO titration experiments of oxygen-rich Ru(0001) surfaces using a molecular beam method revealed two distinct reaction channels. The CO oxidation reaction for both channels takes place through the Langmuir-Hinshelwood mechanism. The CO titration experiments at temperatures above 500 K are dominated by a second reaction channel which is governed by oxygen diffusion from the ear-surface region toward the surface.

Analysis, Oxidation-reduction reaction, Oxidation-reduction reactions, Carbon monoxide, Scattering (Physics), Ruthenium

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