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CO2 Capture and Renewable Energy, 2nd Edition
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Topic Editors

1. Department of Mechanical Engineering, University of Victoria, Victoria, BC V8W 2Y2, Canada
2. Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, 2000 Simcoe Street North, Oshawa, ON L1H 7K4, Canada
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China
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CO2 Capture and Renewable Energy, 2nd Edition

Abstract submission deadline
31 March 2026
Manuscript submission deadline
30 June 2026
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314

Topic Information

Dear Colleagues,

The following Topic is a continuation of the previous successful Topic “CO2 Capture and Renewable Energy”. (https://www.mdpi.com/topics/CO2_capture_renewable_energy) The rapid and global development of an energy sector based on renewables and green sources is critical for the decarbonization of energy in a climate-friendly scenario. However, CO2 capture, utilization, and storage (CCUS) continues to play a vital role in mitigating CO2 emissions from industrial sources that are challenging or impossible to fully decarbonize. Complementing this, CO2 removal technologies, including bioenergy with carbon capture and storage (BECCS), direct air capture (DAC), CO2 mineralization, and photosynthetic CO2 uptake by microalgae, will be indispensable in achieving negative emissions and addressing the rising atmospheric concentration of CO2. This topic aims to emphasize not only the current status and advancements in CO2 capture technologies and renewable energy systems but also their integration into sustainable solutions for a low-carbon future. A particular focus will be placed on the molecular-level understanding of CO2 capture and transformation processes, including the design of novel materials, catalysts, and chemical pathways that improve efficiency and reduce environmental impact. Additionally, this issue will explore the lifecycle sustainability of these technologies, highlighting innovative approaches to enhance the scalability and affordability of CCUS and CO2 removal techniques.

Dr. Haris Ishaq
Dr. Cheng Cao
Topic Editors

Keywords

  • CO2
  • CCUS
  • CO2 capture
  • CO2 mineralization
  • CO2 storage
  • renewable energy

Participating Journals

Journal Name Impact Factor CiteScore Launched Year First Decision (median) APC
Clean Technologies
cleantechnol 		4.7 8.3 2019 33.5 Days CHF 1600 Submit
Energies
energies 		3.2 7.3 2008 16.8 Days CHF 2600 Submit
Molecules
molecules 		4.6 8.6 1996 15.1 Days CHF 2700 Submit
Processes
processes 		2.8 5.5 2013 14.9 Days CHF 2400 Submit
Sustainability
sustainability 		3.3 7.7 2009 19.7 Days CHF 2400 Submit

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Published Papers (1 paper)

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37 pages, 11435 KiB  
Article
Hybrid Energy-Powered Electrochemical Direct Ocean Capture Model
by James Salvador Niffenegger, Kaitlin Brunik, Todd Deutsch, Michael Lawson and Robert Thresher
Clean Technol. 2025, 7(3), 52; https://doi.org/10.3390/cleantechnol7030052 - 23 Jun 2025
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Abstract
Offshore synthetic fuel production and marine carbon dioxide removal can be enabled by direct ocean capture, which extracts carbon dioxide from the ocean that then can be used as a feedstock for fuel production or sequestered underground. To maximize carbon capture, plants require [...] Read more.
Offshore synthetic fuel production and marine carbon dioxide removal can be enabled by direct ocean capture, which extracts carbon dioxide from the ocean that then can be used as a feedstock for fuel production or sequestered underground. To maximize carbon capture, plants require a variety of low-carbon energy sources to operate, such as variable renewable energy. However, the impacts of variable power on direct ocean capture have not yet been thoroughly investigated. To facilitate future deployments, a generalizable model for electrodialysis-based direct ocean capture plants is created to evaluate plant performance and electricity costs under intermittent power availability. This open-source Python-based model captures key aspects of the electrochemistry, ocean chemistry, post-processing, and operation scenarios under various conditions. To incorporate realistic energy supply dynamics and cost estimates, the model is coupled with the National Renewable Energy Laboratory’s H2Integrate tool, which simulates hybrid energy system performance profiles and costs. This integrated framework is designed to provide system-level insights while maintaining computational efficiency and flexibility for scenario exploration. Initial evaluations show similar results to those predicted by the industry, and demonstrate how a given plant could function with variable power in different deployment locations, such as with wind energy off the coast of Texas and with wind and wave energy off the coast of Oregon. The results suggest that electrochemical systems with greater tolerances for power variability and low minimum power requirements may offer operational advantages in variable-energy contexts. However, further research is needed to quantify these benefits and evaluate their implications across different deployment scenarios. Full article
(This article belongs to the Topic CO2 Capture and Renewable Energy, 2nd Edition)
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