Modelling the leakage current in a solid oxide fuel cell with bi-layer electrolyte

  • Balaji Krishnamurthy Department of Chemical Engineering, BITS Pilani, Hyderabad 500078
  • Hariharan Ramasubramanian Department of Chemical Engineering, BITS Pilani, Hyderabad 500078
Keywords: Anodization, pencil graphite electrode, dopamine, uric acid, ascorbic acid

Abstract

A mathematical model is developed to study the leakage current in a solid oxide fuel cell (SOFC) with a bi-layer electrolyte. The model predicts the variation of leakage current and power density with various design and operating factors of SOFC, namely thickness of the bi-layer electrolyte, operating temperature and operating cell voltage. The interfacial oxygen pressure in SOFC is also studied as a function of the thickness of YSZ layer. Modelling results are compared with experimental data and found to compare well.

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Published
19-05-2020
Section
Bioelectrochemistry & Fuel Cells