Process Modeling, Techno-Economic Assessment, and Life Cycle Assessment of the Electrochemical Reduction of CO2: A Review

Ana Somoza-Tornos, Omar Guerra, Allison Crow, Wilson Smith, Bri-Mathias Hodge

Research output: Contribution to journalArticlepeer-review

57 Scopus Citations

Abstract

The electrochemical reduction of CO2 has emerged as a promising alternative to traditional fossil-based technologies for the synthesis of chemicals. Its industrial implementation could lead to a reduction in the carbon footprint of chemicals and the mitigation of climate change impacts caused by hard-to-decarbonize industrial applications, among other benefits. However, the current low technology readiness levels of such emerging technologies make it hard to predict their performance at industrial scales. During the past few years, researchers have developed diverse techniques to model and assess the electrochemical reduction of CO2 toward its industrial implementation. The aim of this literature review is to provide a comprehensive overview of techno-economic and life cycle assessment methods and pave the way for future assessment approaches. First, we identify which modeling approaches have been conducted to extend analysis to the production scale. Next, we explore the metrics used to evaluate such systems, regarding technical, environmental, and economic aspects. Finally, we assess the challenges and research opportunities for the industrial implementation of CO2 reduction via electrolysis.

Original languageAmerican English
Article numberArticle No. 102813
Number of pages16
JournaliScience
Volume24
Issue number7
DOIs
StatePublished - 23 Jul 2021

Bibliographical note

Publisher Copyright:
© 2021 The Author(s)

NREL Publication Number

  • NREL/JA-5C00-80633

Keywords

  • Electrochemistry
  • Energy engineering
  • Energy policy
  • Energy resources
  • Energy sustainability
  • Energy Systems

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