Pd-PdO Nanodomains on Amorphous Ru Metallene Oxide for High-Performance Multifunctional Electrocatalysis

© 2023 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 35(2023), 12 vom: 01. März, Seite e2208860
1. Verfasser: Do, Viet-Hung (VerfasserIn)
Weitere Verfasser: Prabhu, P, Jose, Vishal, Yoshida, Takefumi, Zhou, Yingtang, Miwa, Hiroko, Kaneko, Takuma, Uruga, Tomoya, Iwasawa, Yasuhiro, Lee, Jong-Min
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article electrocatalysts heterostructures hydrogen evolution oxygen evolution oxygen reduction ultrathin water splitting
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520 |a Developing highly efficient multifunctional electrocatalysts is crucial for future sustainable energy  pursuits, but remains a great challenge. Herein, a facile synthetic strategy is used to confine atomically thin Pd-PdO nanodomains to amorphous Ru metallene oxide (RuO2 ). The as-synthesized electrocatalyst (Pd2 RuOx-0.5 h) exhibits excellent catalytic activity toward the pH-universal hydrogen evolution reaction (η10  = 14 mV in 1 m KOH, η10  = 12 mV in 0.5 m H2 SO4 , and η10  = 22 mV in 1 m PBS), alkaline oxygen evolution reaction (η10  = 225 mV), and overall water splitting (E10  = 1.49 V) with high mass activity and operational stability. Further reduction endows the material (Pd2 RuOx-2 h) with a promising alkaline oxygen reduction activity, evidenced by high halfway potential, four-electron selectivity, and excellent poison tolerance. The enhanced catalytic activity is attributed to the rational integration of favorable nanostructures, including 1) the atomically thin nanosheet morphology, 2) the coexisting amorphous and defective crystalline phases, and 3) the multi-component heterostructural features. These structural factors effectively regulate the material's electronic configuration and the adsorption of intermediates at the active sites for favorable reaction energetics 
650 4 |a Journal Article 
650 4 |a electrocatalysts 
650 4 |a heterostructures 
650 4 |a hydrogen evolution 
650 4 |a oxygen evolution 
650 4 |a oxygen reduction 
650 4 |a ultrathin 
650 4 |a water splitting 
700 1 |a Prabhu, P  |e verfasserin  |4 aut 
700 1 |a Jose, Vishal  |e verfasserin  |4 aut 
700 1 |a Yoshida, Takefumi  |e verfasserin  |4 aut 
700 1 |a Zhou, Yingtang  |e verfasserin  |4 aut 
700 1 |a Miwa, Hiroko  |e verfasserin  |4 aut 
700 1 |a Kaneko, Takuma  |e verfasserin  |4 aut 
700 1 |a Uruga, Tomoya  |e verfasserin  |4 aut 
700 1 |a Iwasawa, Yasuhiro  |e verfasserin  |4 aut 
700 1 |a Lee, Jong-Min  |e verfasserin  |4 aut 
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773 1 8 |g volume:35  |g year:2023  |g number:12  |g day:01  |g month:03  |g pages:e2208860 
856 4 0 |u http://dx.doi.org/10.1002/adma.202208860  |3 Volltext 
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