Acceleration of Water Electrolysis by Accumulation of Microwave Energy at a Pt Disk Electrode

Acceleration of Water Electrolysis by Accumulation of Microwave Energy at a Pt Disk Electrode

The current density of water reduction using a commercial Pt disk electrode was enhanced under 2.45 GHz microwave irradiation. The transitional alternation of temperature distribution was explained with a heat-transfer simulation using COMSOL Multiphysics based on the finite element method. Results...

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Veröffentlicht in:Chemistry letters 2017-11, Vol.46 (11), p.1593-1596
Hauptverfasser: Kishimoto, Fuminao, Leong, Kah Hon, Kawamura, Shinichiro, Haneishi, Naoto, Tsubaki, Shuntaro, Wada, Yuji
Format: Artikel
Sprache:eng
Schlagworte:
Acceleration
Chemical reduction
Computer simulation
Electrodes
Electrolysis
Finite element method
High temperature
Microwaves
Temperature distribution
Thermal energy
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Zusammenfassung:The current density of water reduction using a commercial Pt disk electrode was enhanced under 2.45 GHz microwave irradiation. The transitional alternation of temperature distribution was explained with a heat-transfer simulation using COMSOL Multiphysics based on the finite element method. Results show that most of the microwave energy was converted into thermal energy at the vicinity of the Pt electrode. A local high-temperature region enhancing the water-reduction reaction was hence formed.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.170686