Classification and technical target of water electrolysis for hydrogen production  

作　　者：Kahyun Ham Sooan Bae Jaeyoung Lee 

机构地区：[1]Ertl Center for Electrochemistry and Catalysis,Gwangju Institute of Science and Technology(GIST),123 Cheomdangwagi-Ro,Buk-gu,Gwangju 61005,South Korea [2]Department of Heterogeneous Reactions,Max Planck Institute for Chemical Energy Conversion,Stiftstr.34-36,Mülheim an der Ruhr,Germany [3]School of Earth Sciences and Environmental Engineering,GIST,123 Cheomdangwagiro,Buk-gu,Gwangju 61005,South Korea [4]International Future Research Center of Chemical Energy Storage and Conversion Processes,GIST,123 Cheomdangwagiro,Buk-gu,Gwangju 61005,South Korea [5]eSuS Co.,Ltd.,#408,S6 Building,School of Environment and Energy Engineering,GIST,123 Cheomdangwagiro,Buk-gu,Gwangju 61005,South Korea

出　　处：《Journal of Energy Chemistry》2024年第8期554-576,I0012,共24页能源化学（英文版）

基　　金：supported by the Korea Institute of Energy Technology Evaluation and Planning(KETEP)grant from the Ministry of Trade,Industry&Energy,Republic of Korea(No.20213030040590);the National R&D Program through the National Research Foundation of Korea(NRF)funded by the Ministry of Science and ICT(NRF-2021K1A4A8A01079455)。

摘　　要：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 feasible 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 electrolysis systems to be utilized in various fields in practice,the unit cost of hydrogen production must be reduced to$1/kg H_(2).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 limitations 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.

关 键 词：Water electrolysis Hydrogen production Technical target ELECTROCHEMISTRY 

分 类 号：TQ116.21[化学工程—无机化工]