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Enhancing performance of molten carbonate electrolysis cell via deposition of gold nanoparticles on anode

Authors
Na, ByeongcheolKim, KiyoungLim, Sung NamWoo, Ju YoungChoa, YounghoSong, Shin Ae
Issue Date
Jan-2024
Publisher
Pergamon Press Ltd.
Keywords
Au nanoparticles; Molten carbonate electrolysis cell performance; Oxygen evolution reaction
Citation
International Journal of Hydrogen Energy, v.49, pp 964 - 970
Pages
7
Indexed
SCIE
SCOPUS
Journal Title
International Journal of Hydrogen Energy
Volume
49
Start Page
964
End Page
970
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/115941
DOI
10.1016/j.ijhydene.2023.10.194
ISSN
0360-3199
1879-3487
Abstract
The power-to-gas method utilizing electrolysis has attracted attention for ecofriendly and efficient energy storage. The use of a molten carbonate electrolysis cell (MCEC) allows the production of a large amount of hydrogen using carbonate electrolytes. However, compared with conventional fossil-fuel-based production methods, the use of MCECs involves higher costs and a lower efficiency, necessitating the exploration of strategies to improve MCECs performance. To this end, herein, an AuNP-deposited anode is proposed for improving the performance of MCECs. Au nanoparticles (AuNPs) can enhance the oxygen evolution reaction (OER) activity, increase the reaction surface area, and increase the electrical conductivity of the anode. Additionally, because of their oxygen molecule desorption properties, AuNPs are suitable anode catalyst materials for MCECs. By depositing AuNPs on the anode, the conductivity was increased, reducing the Ohmic resistance, and the charge transfer resistance and mass transfer resistance due to the characteristics of the OER and oxygen gas desorption were significantly reduced. © 2023
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CHOA, YONG HO
ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)
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