首页|Classification and technical target of water electrolysis for hydrogen production

Classification and technical target of water electrolysis for hydrogen production

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Continuous efforts are underway to reduce carbon emissions worldwide in response to global climate change.Water electrolysis technology,in conjunction with renewable energy,is considered the most fea-sible hydrogen production technology based on the viable possibility of large-scale hydrogen production and the zero-carbon-emission nature of the process.However,for hydrogen produced via water electrol-ysis systems to be utilized in various fields in practice,the unit cost of hydrogen production must be reduced to $1/kgH2.To achieve this unit cost,technical targets for water electrolysis have been suggested regarding components in the system.In this paper,the types of water electrolysis systems and the lim-itations of water electrolysis system components are explained.We suggest guideline with recent trend for achieving this technical target and insights for the potential utilization of water electrolysis technology.

Water electrolysisHydrogen productionTechnical targetElectrochemistry

Kahyun Ham、Sooan Bae、Jaeyoung Lee

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Ertl Center for Electrochemistry and Catalysis,Gwangju Institute of Science and Technology(GIST),123 Cheomdangwagi-Ro,Buk-gu,Gwangju 61005,South Korea

Department of Heterogeneous Reactions,Max Planck Institute for Chemical Energy Conversion,Stiftstr,34-36,Mulheim an der Ruhr,Germany

School of Earth Sciences and Environmental Engineering,GIST,123 Cheomdangwagiro,Buk-gu,Gwangju 61005,South Korea

International Future Research Center of Chemical Energy Storage and Conversion Processes,GIST,123 Cheomdangwagiro,Buk-gu,Gwangju 61005,South Korea

eSuS Co.,Ltd.,#408,S6 Building,School of Environment and Energy Engineering,GIST,123 Cheomdangwagiro

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Korea Institute of Energy Technology Evaluation and Planning(KETEP)grant from the Ministry of Trade,Industry & Energy,RepublNational R&D Program through the National Research Foundation of Korea(NRF)funded by the Ministry of Science and ICT

20213030040590NRF-2021K1A4A8A01079455

2024

10.1016/j.jechem.2024.04.003

能源化学
中国科学院大连化学物理研究所 中国科学院成都有机化学研究所

能源化学

CSTPCDEI
影响因子：0.654
ISSN：2095-4956
年,卷(期)：2024.95(8)