Title

Multiscale Modeling of Cu-based systems for Electrochemical CO₂ Reduction reaction

DGIST Authors

Ramakrishnan Velmurugan Adith ; Yun Hee Jang ; Dae Hyun Nam

Advisor

장윤희

Co-Advisor(s)

Dae Hyun Nam

Issued Date

2022

Awarded Date

2022/08

Citation

Ramakrishnan Velmurugan Adith. (2022). Multiscale Modeling of Cu-based systems for Electrochemical CO₂ Reduction reaction. doi: 10.22677/thesis.200000630522

Type

Thesis

Subject

Electrochemical CO2RR Reaction, Multiscale modeling, Kinetics, Mass trasnport, Planar system, Gas diffusion Electrodes system

Description

Electrochemical CO2RR Reaction, Multiscale modeling, Kinetics, Mass trasnport, Planar system, Gas diffusion Electrodes system

Abstract

Table Of Contents

1 Introduction 1
1.1 Electrochemical CO2RR and challenges 1
1.2 Multiscale modeling approach 1
1.3 Models reported in this thesis 3
2 Overview of Electrochemical kinetics 4
3 H-cell model 5
3.1 Model Description 5
3.2 Results 10
3.2.1 Overall trends of the polarization curves 10
3.2.2 Robin Boundary Condition vs Electroneutrality 11
3.2.3 Concentration profiles 13
4 Flow cell model 19
4.1 Model Description 21
4.2 Results 28
4.2.1 Comparision of polarization curves 28
4.2.2 Effect of pore wetting 29
4.2.3 Effect of mass loading 30
4.2.4 Effect of Porosity 46
4.2.5 Effect of Pressure 62
4.2.6 Effect of Electrolyte Flow rate 77
5 Conclusion 93

URI

http://dgist.dcollection.net/common/orgView/200000630522
http://hdl.handle.net/20.500.11750/16801

DOI

10.22677/thesis.200000630522

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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