A Template Editing Strategy to Create Interlayer-Confined Active Species for Efficient and Durable Oxygen Evolution Reaction

© 2022 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 35(2023), 2 vom: 07. Jan., Seite e2203420
1. Verfasser: Liu, Depei (VerfasserIn)
Weitere Verfasser: Yan, Yuandong, Li, Hu, Liu, Duanduan, Yang, Yandong, Li, Taozhu, Du, Yu, Yan, Shicheng, Yu, Tao, Zhou, Wei, Cui, Peixin, Zou, Zhigang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Ni hydroxides interlayer-confined active species oxygen evolution reaction template editing strategy
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520 |a Substantial overpotentials and insufficient and unstable active sites of oxygen evolution reaction (OER) electrocatalysts limit their efficiency and stability in OER-related energy conversion and storage technologies. Here, a template editing strategy is proposed to graft highly active catalytic species onto highly conductive rigid frameworks to tackle this challenge. As a successful attempt, two types of NiO6 units of layered Ni BDC (BDC stands for 1,4-benzenedicarboxylic acid) metal organic frameworks are selectively edited by chemical etching-assisted electroxidation to create layered γ-NiOOH with intercalated Ni-O species. In such an interlayer-confined intercalated architecture, the large interlayer space with high ion permeability offers an ideal reaction region to sufficiently expose the OER active sites comprising high-density intercalated Ni-O species, which also suppresses the undesirable γ to β phase transformation, thus exhibiting efficient and durable OER activity. As a result, water oxidation can occur at an extremely low overpotential of 130 mV and affords 1000 h stability at 100 mA cm-2 . The strategy conceptually shows the possibility of achieving stable homogeneous-like catalysis in heterogeneous catalysis 
650 4 |a Journal Article 
650 4 |a Ni hydroxides 
650 4 |a interlayer-confined active species 
650 4 |a oxygen evolution reaction 
650 4 |a template editing strategy 
700 1 |a Yan, Yuandong  |e verfasserin  |4 aut 
700 1 |a Li, Hu  |e verfasserin  |4 aut 
700 1 |a Liu, Duanduan  |e verfasserin  |4 aut 
700 1 |a Yang, Yandong  |e verfasserin  |4 aut 
700 1 |a Li, Taozhu  |e verfasserin  |4 aut 
700 1 |a Du, Yu  |e verfasserin  |4 aut 
700 1 |a Yan, Shicheng  |e verfasserin  |4 aut 
700 1 |a Yu, Tao  |e verfasserin  |4 aut 
700 1 |a Zhou, Wei  |e verfasserin  |4 aut 
700 1 |a Cui, Peixin  |e verfasserin  |4 aut 
700 1 |a Zou, Zhigang  |e verfasserin  |4 aut 
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773 1 8 |g volume:35  |g year:2023  |g number:2  |g day:07  |g month:01  |g pages:e2203420 
856 4 0 |u http://dx.doi.org/10.1002/adma.202203420  |3 Volltext 
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