Research Topic

Enabling Energy Transition: CO2 Geological Storage and Large-Scale Hydrogen Underground Storage

About this Research Topic

Energy plays a key role in nearly every major challenge and opportunity the world faces today, including poverty eradication, adaptation to climate change, health, education, sustainable cities, jobs and transport. As the global population continues to grow, so will the demand for energy. At the same time, in order to deliver the aims of the 2015 Paris Agreement, there is a pressing need to accelerate the energy transition from fossil fuels to clean energy. Therefore, it is of vital importance to manage the CO2 emitted from burning fossil fuels.

In addition, hydrogen has been identified as an important energy carrier to support the energy transition. As hydrogen has the lowest energy density by volume, large-scale hydrogen underground storage (e.g. salt caverns, depleted hydrocarbon reservoirs and saline aquifers) is seen as the answer to create a reliable hydrogen economy supply chain in the future.

To document the current worldwide trends of this energy transition and the 2030 climate change framework laid down in the Paris Agreement, this Research Topic endeavors to address critical technical, economic and political challenges in the area of CO2 geological storage and H2 underground storage.

The main technical and economic problems surrounding the energy transition involve the identification of the risks and understanding their evolution during the implementation process, as well as developing technologies to manage and predict the whole process in a cost-effective way. These problems may be solved by understanding the reservoir integrity, multiphase flow in porous media, fundamental physics, economic analysis, cost reduction strategies and through experimental, analytical and numerical modeling.

Meanwhile the major political challenges are related to the implementation of a carbon credit or carbon tax. It has been identified that having policies in place would generate attractive incentives for industry in moving forward. However, many countries are falling behind in this area. Research related to regulation, liability and public acceptance are still needed to engage interest and initiate action with policy makers.

To address the critical technical, economic and political challenges in the area of CO2 geological storage and H2 underground storage, the scope of the Research Topic (whilst not exclusive to) includes:

-Simultaneous storage of CO2 and H2 for underground conversion to CH4

-CO2 Geological Storage
• Geological formation and/or storage capacity assessments
• Matching emission sources and storage opportunities
• Experimental, analytical and numerical modeling and monitoring CO2 plume migration
• CO2-Brine-Rock geochemical reactions
• Demonstration/pilot project results and operational experiences
• Integrity of the reservoir and caprock
• Risk assessments and management
• Cost analysis and cost reduction strategies
• Liability and regulatory issues

-H2 Underground Storage
• Hydrogen-brine-rock geochemical reactions
• Microbial reactions and growth in the subsurface
• Integrity of the reservoir and caprock
• Risk assessments and management
• Modeling and monitoring H2 plume migration and cycling process
• Demonstration/pilot project results and operational experiences
• Matching hydrogen production sources and storage opportunities
• Cost analysis and cost reduction strategies
• Liability and regulatory issues


Keywords: Energy Transition, CO2 Geological Storage, Hydrogen Underground Storage, Regulation and Liability, Cost Analyses


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

Energy plays a key role in nearly every major challenge and opportunity the world faces today, including poverty eradication, adaptation to climate change, health, education, sustainable cities, jobs and transport. As the global population continues to grow, so will the demand for energy. At the same time, in order to deliver the aims of the 2015 Paris Agreement, there is a pressing need to accelerate the energy transition from fossil fuels to clean energy. Therefore, it is of vital importance to manage the CO2 emitted from burning fossil fuels.

In addition, hydrogen has been identified as an important energy carrier to support the energy transition. As hydrogen has the lowest energy density by volume, large-scale hydrogen underground storage (e.g. salt caverns, depleted hydrocarbon reservoirs and saline aquifers) is seen as the answer to create a reliable hydrogen economy supply chain in the future.

To document the current worldwide trends of this energy transition and the 2030 climate change framework laid down in the Paris Agreement, this Research Topic endeavors to address critical technical, economic and political challenges in the area of CO2 geological storage and H2 underground storage.

The main technical and economic problems surrounding the energy transition involve the identification of the risks and understanding their evolution during the implementation process, as well as developing technologies to manage and predict the whole process in a cost-effective way. These problems may be solved by understanding the reservoir integrity, multiphase flow in porous media, fundamental physics, economic analysis, cost reduction strategies and through experimental, analytical and numerical modeling.

Meanwhile the major political challenges are related to the implementation of a carbon credit or carbon tax. It has been identified that having policies in place would generate attractive incentives for industry in moving forward. However, many countries are falling behind in this area. Research related to regulation, liability and public acceptance are still needed to engage interest and initiate action with policy makers.

To address the critical technical, economic and political challenges in the area of CO2 geological storage and H2 underground storage, the scope of the Research Topic (whilst not exclusive to) includes:

-Simultaneous storage of CO2 and H2 for underground conversion to CH4

-CO2 Geological Storage
• Geological formation and/or storage capacity assessments
• Matching emission sources and storage opportunities
• Experimental, analytical and numerical modeling and monitoring CO2 plume migration
• CO2-Brine-Rock geochemical reactions
• Demonstration/pilot project results and operational experiences
• Integrity of the reservoir and caprock
• Risk assessments and management
• Cost analysis and cost reduction strategies
• Liability and regulatory issues

-H2 Underground Storage
• Hydrogen-brine-rock geochemical reactions
• Microbial reactions and growth in the subsurface
• Integrity of the reservoir and caprock
• Risk assessments and management
• Modeling and monitoring H2 plume migration and cycling process
• Demonstration/pilot project results and operational experiences
• Matching hydrogen production sources and storage opportunities
• Cost analysis and cost reduction strategies
• Liability and regulatory issues


Keywords: Energy Transition, CO2 Geological Storage, Hydrogen Underground Storage, Regulation and Liability, Cost Analyses


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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Submission Deadlines

10 August 2021 Abstract
08 December 2021 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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Topic Editors

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Submission Deadlines

10 August 2021 Abstract
08 December 2021 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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