Multiphase Flow Modelling of Electrochemical Systems

an analytical approach

Doctoral thesis (2023)

Authors

A. Rajora Energy Technology - Mechanical, Maritime and Materials Engineering
Research Group
Energy Technology (Mechanical, Maritime and Materials Engineering) (TU Delft)
Copyright: © 2023 A. Rajora
DOI: https://doi.org/10.4233/uuid:62479ffc-c389-4d3d-8320-f7b3ad8d0829
Electrolysis Multiphase flow Hydrogen evolution Mathematical modeling Analytical modeling Bubbles
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Published Date

2023

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Process and Energy

Research Group

Energy Technology

Abstract

The primary objective of this work is to provide new analytical models to support the theoretical understanding of multiphase flows in various electrochemical systems. Most of the previous works in this field use either experiments or numerical simulations to understand the hydrodynamics of the multiphase flows. In this thesis, various new analytical models are derived for different cell configurations such as PEM diffusion layer, flow-through electrolysers, parallel plate electrolyzers and zero-gap electrolysers. New design equations are provided that can be readily used as a first estimate for a new electrochemical cell. The novelty of this work lies in providing new analytical approaches to develop a theoretical understanding of electrochemical cells.