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A Surface-Oxide-Rich Activation Layer (SOAL) on Ni2Mo3N for a Rapid and Durable Oxygen Evolution Reaction
Yuan, Y; Adimi, S; Guo, XY; Thomas, T; Zhu, Y; Guo, HC; Priyanga, GS; Yoo, P; Wang, JC; Chen, J; Liao, PL; Attfield, JP; Yang, MH
2020-10-05
Source PublicationANGEWANDTE CHEMIE-INTERNATIONAL EDITION
ISSN1433-7851
Issue41Pages:18036
SubtypeArticle
AbstractThe oxygen evolution reaction (OER) is key to renewable energy technologies such as water electrolysis and metal-air batteries. However, the multiple steps associated with proton-coupled electron transfer result in sluggish OER kinetics and catalysts are required. Here we demonstrate that a novel nitride, Ni2Mo3N, is a highly active OER catalyst that outperforms the benchmark material RuO2. Ni2Mo3N exhibits a current density of 10 mA cm(-2)at a nominal overpotential of 270 mV in 0.1 mKOH with outstanding catalytic cyclability and durability. Structural characterization and computational studies reveal that the excellent activity stems from the formation of a surface-oxide-rich activation layer (SOAL). Secondary Mo atoms on the surface act as electron pumps that stabilize oxygen-containing species and facilitate the continuity of the reactions. This discovery will stimulate the further development of ternary nitrides with oxide surface layers as efficient OER catalysts for electrochemical energy devices.
DOI10.1002/anie.202008116
WOS KeywordCOBALT NITRIDE NANOWIRES ; WATER OXIDATION ; HIGHLY EFFICIENT ; LOW-COST ; ELECTROCATALYSTS ; CATALYSTS ; ARRAYS
Language英语
WOS Research AreaChemistry
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27838
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Yuan, Y,Adimi, S,Guo, XY,et al. A Surface-Oxide-Rich Activation Layer (SOAL) on Ni2Mo3N for a Rapid and Durable Oxygen Evolution Reaction[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2020(41):18036.
APA Yuan, Y.,Adimi, S.,Guo, XY.,Thomas, T.,Zhu, Y.,...&Yang, MH.(2020).A Surface-Oxide-Rich Activation Layer (SOAL) on Ni2Mo3N for a Rapid and Durable Oxygen Evolution Reaction.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION(41),18036.
MLA Yuan, Y,et al."A Surface-Oxide-Rich Activation Layer (SOAL) on Ni2Mo3N for a Rapid and Durable Oxygen Evolution Reaction".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION .41(2020):18036.
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