Potential and current distribution on the surface of a hydrogen gas diffusion anode

J.J.T.T. Vermeijlen, L.J.J. Janssen, A.J. Geurts, G.C Haastrecht, van

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Abstract

The current and potential distribution for a hydrogen gas-diffusion disc electrode with a relatively high ohmic resistance are investigated. A theoretical model for these distributions is presented. Potential differences between the edge of the electrode and points on the electrode surface have been measured for a hydrogen gas-diffusion electrode loaded with various total currents. From the results it is concluded that the proposed model is very useful to obtain the potential and the current density distribution along a hydrogen-gas diffusion disc electrode. Moreover, the allowable size of cylindrical holes in a perforated plate placed against the rear of the gas diffusion electrode for its current supply, can be calculated to achieve a reasonably uniform current distribution along the gas-diffusion electrode.
Original languageEnglish
Pages (from-to)1122-1127
Number of pages6
JournalJournal of Applied Electrochemistry
Volume25
Issue number12
DOIs
Publication statusPublished - 1995

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Diffusion in gases
Hydrogen
Anodes
Electrodes
Perforated plates
Acoustic impedance
Current density

Cite this

Vermeijlen, J. J. T. T., Janssen, L. J. J., Geurts, A. J., & Haastrecht, van, G. C. (1995). Potential and current distribution on the surface of a hydrogen gas diffusion anode. Journal of Applied Electrochemistry, 25(12), 1122-1127. https://doi.org/10.1007/BF00242539
Vermeijlen, J.J.T.T. ; Janssen, L.J.J. ; Geurts, A.J. ; Haastrecht, van, G.C. / Potential and current distribution on the surface of a hydrogen gas diffusion anode. In: Journal of Applied Electrochemistry. 1995 ; Vol. 25, No. 12. pp. 1122-1127.
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Vermeijlen, JJTT, Janssen, LJJ, Geurts, AJ & Haastrecht, van, GC 1995, 'Potential and current distribution on the surface of a hydrogen gas diffusion anode', Journal of Applied Electrochemistry, vol. 25, no. 12, pp. 1122-1127. https://doi.org/10.1007/BF00242539

Potential and current distribution on the surface of a hydrogen gas diffusion anode. / Vermeijlen, J.J.T.T.; Janssen, L.J.J.; Geurts, A.J.; Haastrecht, van, G.C.

In: Journal of Applied Electrochemistry, Vol. 25, No. 12, 1995, p. 1122-1127.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Potential and current distribution on the surface of a hydrogen gas diffusion anode

AU - Vermeijlen, J.J.T.T.

AU - Janssen, L.J.J.

AU - Geurts, A.J.

AU - Haastrecht, van, G.C

PY - 1995

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N2 - The current and potential distribution for a hydrogen gas-diffusion disc electrode with a relatively high ohmic resistance are investigated. A theoretical model for these distributions is presented. Potential differences between the edge of the electrode and points on the electrode surface have been measured for a hydrogen gas-diffusion electrode loaded with various total currents. From the results it is concluded that the proposed model is very useful to obtain the potential and the current density distribution along a hydrogen-gas diffusion disc electrode. Moreover, the allowable size of cylindrical holes in a perforated plate placed against the rear of the gas diffusion electrode for its current supply, can be calculated to achieve a reasonably uniform current distribution along the gas-diffusion electrode.

AB - The current and potential distribution for a hydrogen gas-diffusion disc electrode with a relatively high ohmic resistance are investigated. A theoretical model for these distributions is presented. Potential differences between the edge of the electrode and points on the electrode surface have been measured for a hydrogen gas-diffusion electrode loaded with various total currents. From the results it is concluded that the proposed model is very useful to obtain the potential and the current density distribution along a hydrogen-gas diffusion disc electrode. Moreover, the allowable size of cylindrical holes in a perforated plate placed against the rear of the gas diffusion electrode for its current supply, can be calculated to achieve a reasonably uniform current distribution along the gas-diffusion electrode.

U2 - 10.1007/BF00242539

DO - 10.1007/BF00242539

M3 - Article

VL - 25

SP - 1122

EP - 1127

JO - Journal of Applied Electrochemistry

JF - Journal of Applied Electrochemistry

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