Stable Seawater Electrolysis Over 10 000 H via Chemical Fixation of Sulfate on NiFeBa-LDH

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 45 vom: 05. Nov., Seite e2411302
1. Verfasser: Chen, Haocheng (VerfasserIn)
Weitere Verfasser: Liu, Pingying, Li, Wenbo, Xu, Wenwen, Wen, Yingjie, Zhang, Sixie, Yi, Li, Dai, Yeqi, Chen, Xu, Dai, Sheng, Tian, Ziqi, Chen, Liang, Lu, Zhiyi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article alkaline seawater electrolysis anti‐Cl− corrosion chemical fix SO42− electrochemical H2 production
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520 |a Although hydrogen production through seawater electrolysis combined with offshore renewable energy can significantly reduce the cost, the corrosive anions in seawater strictly limit the commercialization of direct seawater electrolysis technology. Here, it is discovered that electrolytic anode can be uniformly protected in a seawater environment by constructing NiFeBa-LDH catalyst assisted with additional SO4 2- in the electrolyte. In experiments, the NiFeBa-LDH achieves unprecedented stability over 10 000 h at 400 mA cm-2 in both alkaline saline electrolyte and alkaline seawater. Characterizations and simulations reveal that the atomically dispersed Ba2+ enables the chemical fixation of free SO4 2- on the surface, which generates a dense SO4 2- layer to repel Cl- along with the preferentially adsorbed SO4 2- in the presence of an applied electric field. In terms of the simplicity and effectiveness of catalyst design, it is confident that it can be a beacon for the commercialization of seawater electrolysis technology 
650 4 |a Journal Article 
650 4 |a alkaline seawater electrolysis 
650 4 |a anti‐Cl− corrosion 
650 4 |a chemical fix SO42− 
650 4 |a electrochemical H2 production 
700 1 |a Liu, Pingying  |e verfasserin  |4 aut 
700 1 |a Li, Wenbo  |e verfasserin  |4 aut 
700 1 |a Xu, Wenwen  |e verfasserin  |4 aut 
700 1 |a Wen, Yingjie  |e verfasserin  |4 aut 
700 1 |a Zhang, Sixie  |e verfasserin  |4 aut 
700 1 |a Yi, Li  |e verfasserin  |4 aut 
700 1 |a Dai, Yeqi  |e verfasserin  |4 aut 
700 1 |a Chen, Xu  |e verfasserin  |4 aut 
700 1 |a Dai, Sheng  |e verfasserin  |4 aut 
700 1 |a Tian, Ziqi  |e verfasserin  |4 aut 
700 1 |a Chen, Liang  |e verfasserin  |4 aut 
700 1 |a Lu, Zhiyi  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 36(2024), 45 vom: 05. Nov., Seite e2411302  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:36  |g year:2024  |g number:45  |g day:05  |g month:11  |g pages:e2411302 
856 4 0 |u http://dx.doi.org/10.1002/adma.202411302  |3 Volltext 
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