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  On the climate impacts of blue hydrogen production

Bauer, C., Treyer, K., Antonini, C., Bergerson, J., Gazzani, M., Gencer, E., Gibbins, J., Mazzotti, M., McCoy, S. T., McKenna, R., Pietzcker, R. C., Ravikumar, A. P., Romano, M. C., Ueckerdt, F., Vente, J., van der Spek, M. (2022): On the climate impacts of blue hydrogen production. - Sustainable Energy and Fuels, 6, 1, 66-75.
https://doi.org/10.1039/D1SE01508G

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 Creators:
Bauer, Christian 1, Author
Treyer, Karin 1, Author
Antonini, Cristina1, Author
Bergerson, Joule 1, Author
Gazzani, Matteo 1, Author
Gencer, Emre 1, Author
Gibbins, Jon 1, Author
Mazzotti, Marco 1, Author
McCoy, Sean T. 1, Author
McKenna, Russell 1, Author
Pietzcker, Robert C.2, Author              
Ravikumar, Arvind P. 1, Author
Romano, Matteo C. 1, Author
Ueckerdt, Falko2, Author              
Vente, Jaap 1, Author
van der Spek, Mijndert 1, Author
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1External Organizations, ou_persistent22              
2Potsdam Institute for Climate Impact Research, ou_persistent13              

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 Abstract: Natural gas based hydrogen production with carbon capture and storage is referred to as blue hydrogen. If substantial amounts of CO2 from natural gas reforming are captured and permanently stored, such hydrogen could be a low-carbon energy carrier. However, recent research raises questions about the effective climate impacts of blue hydrogen from a life cycle perspective. Our analysis sheds light on the relevant issues and provides a balanced perspective on the impacts on climate change associated with blue hydrogen. We show that such impacts may indeed vary over large ranges and depend on only a few key parameters: the methane emission rate of the natural gas supply chain, the CO2 removal rate at the hydrogen production plant, and the global warming metric applied. State-of-the-art reforming with high CO2 capture rates combined with natural gas supply featuring low methane emissions does indeed allow for substantial reduction of greenhouse gas emissions compared to both conventional natural gas reforming and direct combustion of natural gas. Under such conditions, blue hydrogen is compatible with low-carbon economies and exhibits climate change impacts at the upper end of the range of those caused by hydrogen production from renewable-based electricity. However, neither current blue nor green hydrogen production pathways render fully “net-zero” hydrogen without additional CO2 removal.

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 Dates: 2021-09-242021-11-192021-11-192022-01-07
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1039/D1SE01508G
Organisational keyword: RD3 - Transformation Pathways
PIKDOMAIN: RD3 - Transformation Pathways
Research topic keyword: Policy Advice
Research topic keyword: Energy
Research topic keyword: Carbon Pricing
Research topic keyword: 1.5/2°C limit
Research topic keyword: Decarbonization  
Regional keyword: Global
Regional keyword: Europe
Model / method: Quantitative Methods
Model / method: Qualitative Methods
MDB-ID: No data to archive
OATYPE: Hybrid Open Access
 Degree: -

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Title: Sustainable Energy and Fuels
Source Genre: Journal, SCI, Scopus
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Pages: - Volume / Issue: 6 (1) Sequence Number: - Start / End Page: 66 - 75 Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/sustainable-energy-fuels
Publisher: Royal Society of Chemistry (RSC)