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Three-dimensional open nano-netcage electrocatalysts for efficient pH-universal overall water splitting
Zhuang, ZW; Wang, Y; Xu, CQ; Liu, SJ; Chen, C; Peng, Q; Zhuang, ZB; Xiao, H; Pan, Y; Lu, SQ; Yu, R; Cheong, WC; Cao, X; Wu, KL; Sun, KA; Wang, DS; Li, J; Li, YD
2019
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Volume10Pages:-
Subtype期刊论文
AbstractHigh-efficiency water electrolysis is the key to sustainable energy. Here we report a highly active and durable RuIrOx (x >= 0) nano-netcage catalyst formed during electrochemical testing by in-situ etching to remove amphoteric ZnO from RuIrZnOx hollow nanobox. The dispersing-etching-holing strategy endowed the porous nano-netcage with a high exposure of active sites as well as a three-dimensional accessibility for substrate molecules, thereby drastically boosting the electrochemical surface area (ECSA). The nano-netcage catalyst achieved not only ultralow overpotentials at 10 mA cm(-2) for hydrogen evolution reaction (HER; 12 mV, pH = 0; 13 mV, pH = 14), but also high-performance overall water electrolysis over a broad pH range (0 similar to 14), with a potential of mere 1.45 V (pH = 0) or 1.47 V (pH = 14) at 10 mA cm(-2). With this universal applicability of our electrocatalyst, a variety of readily available electrolytes (even including waste water and sea water) could potentially be directly used for hydrogen production.
KeywordTOTAL-ENERGY CALCULATIONS OXYGEN EVOLUTION HYDROGEN EVOLUTION UNDERPOTENTIAL DEPOSITION IONIC-RADII RUTHENIUM OXIDATION SIZE NANOFRAMES CATALYSTS
DOI10.1038/s41467-019-12885-0
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32255
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China;
2.Southern Univ Sci & Technol, Dept Chem, Shenzhen 518055, Peoples R China;
3.Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China;
4.Beijing Univ Chem Technol, Coll Chem Engn, Beijing 100029, Peoples R China;
5.Tsinghua Univ, Beijing Natl Ctr Electron Microscopy, Beijing 100084, Peoples R China;
6.Tsinghua Univ, Lab Adv Mat, Dept Mat Sci & Engn, Beijing 100084, Peoples R China;
7.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Zhuang, ZW,Wang, Y,Xu, CQ,et al. Three-dimensional open nano-netcage electrocatalysts for efficient pH-universal overall water splitting[J]. NATURE COMMUNICATIONS,2019,10:-.
APA Zhuang, ZW.,Wang, Y.,Xu, CQ.,Liu, SJ.,Chen, C.,...&Li, YD.(2019).Three-dimensional open nano-netcage electrocatalysts for efficient pH-universal overall water splitting.NATURE COMMUNICATIONS,10,-.
MLA Zhuang, ZW,et al."Three-dimensional open nano-netcage electrocatalysts for efficient pH-universal overall water splitting".NATURE COMMUNICATIONS 10(2019):-.
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