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Mathematical analysis and experimental results of applying enhanced-surface-area packed-bed electrodes in electrogenerative sulfur dioxide oxidation

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Abstract

The results of applying enhanced-surface-area packed-bed (ESAP) electrodes in electrogenerative SO2/O2 cells are reported to illustrate their utility and potential applications. Mathematical analysis with parameters pertinent to the experimental conditions shows that all electrocatalyst sites in these electrodes are expected to be uniformly utilized for electrochemical SO2 oxidation. Experimental results showed that ESAP electrodes (1 mg Pt/cm2) could provide at least 5 times higher SO2 conversion at given cell voltages than graphite sheet electrodes (1.5 mg Pt/cm2).

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Author notes

  1. Jongwook Lee

    Present address: Battery R & D Team, Samsung Display Devices, 575 Shin-Ri Taean-Eub Hwasung-Kun, 445-970, Kyungki-do, Korea

Authors and Affiliations

  1. Energy Research & Development Team, Samsung Electronics, 416 Maetan-3Dong Paldal-Gu, Suwon City, 441-742, Kyungki-Do, Korea

    Jongwook Lee & Stanley H. Langer

  2. Department of Chemical Engineering, University of Wisconsin, 53706, Madison, WI, USA

    Stanley H. Langer

Authors
  1. Jongwook Lee
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  2. Stanley H. Langer
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Lee, J., Langer, S.H. Mathematical analysis and experimental results of applying enhanced-surface-area packed-bed electrodes in electrogenerative sulfur dioxide oxidation. Korean J. Chem. Eng. 12, 168–175 (1995). https://doi.org/10.1007/BF02705642

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  • DOI: https://doi.org/10.1007/BF02705642

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