A thermostated cell for electrochemistry: minimising natural convection and investigating the role of evaporation and radiation

Literature Information

Publication Date 2018-04-10
DOI 10.1039/C8CP01360H
Impact Factor 3.676
Authors

Xiuting Li, Christopher Batchelor-McAuley, Javor K. Novev, Richard G. Compton


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Abstract

An optimised thermostated electrochemical cell is designed and implemented. This is informed by experimental and computational studies characterizing the extent to which the thermostating of an electrochemical cell via a heated bath can be realised, both with the cell closed and open to the environment. The heat transfer in the system is simulated and probed experimentally; special emphasis is put on heat loss due to radiation and evaporation. Experiments and simulations demonstrate that these two mechanisms of heat transfer lead to a steady temperature in the cell that differs from that of the thermostat by ∼0.1 K. Simulations indicate that spatial inhomogeneities in the stationary temperature drive natural convective flows with a significant velocity. These new physical insights inform the optimization of a new electrochemical cell and its application in measurements of the impact frequency of silver nanoparticles as a function of temperature.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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