Numerical investigation of solid oxide electrolysis cells for hydrogen production applied with different continuity expressions

• Published in: Energy conversion and management Vol. 149; pp. 646 - 659
• Main Authors: Zhang, Ji-Hao, Lei, Li-Bin, Liu, Di, Zhao, Fu-Yun, Chen, Fanglin, Wang, Han-Qing
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.10.2017; Elsevier Science Ltd
• Subjects: Anode effect; anodes; Cathodes; Chemical reactions; Computational fluid dynamics; Computational fluid dynamics (CFD); Computer simulation; Continuity equation; Current densities; Diffusion effects; electrical properties; Electrochemistry; Electrolysis; Electrolytic cells; equations; Fluid flow; Hydrogen; Hydrogen production; mass transfer; Mass transport; Mathematical models; Numerical analysis; oxygen; prediction; SOECs modeling; Source imbalance; Studies; SOECs modeling; Source imbalance; Current densities; Computational fluid dynamics (CFD)

•Continuity expressions developed for electrochemical reaction sources.•Diffusion effect could not be neglected in the continuity expressions.•Volume increments could be achieved by the proposed continuity equation.•The continuity equations influenced flow field and electrical characteristics.•Trans...