DataVXACS Energy LettersPaper
journal article·2023-06-09

Pilot-Scale CO2 Electrolysis Enables a Semi-empirical Electrolyzer Model

Jonathan P. Edwards, Théo Alerte, Colin P. O’Brien, Christine M. Gabardo, Shijie Liu, Joshua Wicks, Adriana Gaona, Jehad Abed, Yurou Celine Xiao, Daniel Young, Armin Sedighian Rasouli, Amitava Sarkar, Shaffiq A. Jaffer, Heather L. MacLean, Edward H. Sargent, David Sinton

ACS Energy Letters· Volume 8· Issue 6
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Source abstract

Abstract

Carbon dioxide (CO 2 ) electrolysis powered with renewable electricity can help close the carbon cycle by converting emissions into chemicals and fuels. Two key advancements are required to bridge the technological gaps for industrial implementation: pilot plant demonstrations with detailed performance data; and chemical engineering process models built and tested with lab- and pilot-scale data. Here, we develop a semi-empirical electrolyzer model in Aspen Custom Modeler which is trained on a 5 cm 2 lab-scale CO 2 electrolyzer. We then scale to a pilot-scale 800 cm 2 single cell and 10 × 800 cm 2 stack and use the results to validate the model; at 100 mA cm –2, the model can predict six of seven cell performance metrics within 16% absolute error and three of five stack metrics within 11% absolute error. With the combination of the electrolyzer model and the pilot-scale data, this work provides the prerequisites for further scaling of CO 2 electrolysis.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: CO2 Reduction Techniques and Catalysts · Electrocatalysts for Energy Conversion · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario M5S 3G8, Canada

Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada

TotalEnergies American Services Inc., Hopkinton, Massachusetts 01748, United States

Department of Civil and Mineral Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada

TotalEnergies EP Research & Technology USA, LLC, Houston, Texas 77002, United States

SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States

Funding

University of Toronto · Total · Canada Research Chairs · Ontario Centre of Innovation · Natural Sciences and Engineering Research Council of Canada

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