Modeling of the Potential Jump at Electrode-Electrolyte Interface Using Singularity Distribution | Zendy

İsmail Çelik | Zendy

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Modeling of the Potential Jump at Electrode-Electrolyte Interface Using Singularity Distribution

Author(s) -

İsmail Çelik

Publication year - 2003

Publication title -

ecs proceedings volumes

Language(s) - English

Resource type - Journals

eISSN - 2576-1579

pISSN - 0161-6374

DOI - 10.1149/200307.1317pv

Subject(s) - electrolyte , nernst equation , jump , discontinuity (linguistics) , dipole , electrode , mechanics , singularity , interface (matter) , computer science , chemistry , physics , mathematical analysis , mathematics , organic chemistry , quantum mechanics , bubble , maximum bubble pressure method

A new approach is proposed to account for the discontinuity observed in the electrical potential at the electrolyte/electrode interfaces. In this approach, the potential jump is specified as a source term in the continuity equation for current density, rather than specify it as a boundary condition. The source term is derived from the induced potential field by a dipole distribution at the electrolyte/electrode interface; strength of the dipole distribution is related to the potential jump calculated from Nernst's equation. It is anticipated that the present approach will be much easier to implement in CFD (computational fluid dynamics) applications to fuel cells.

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