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Regulating p-block metals in perovskite nanodots for efficient electrocatalytic water oxidation
Li, Bo-Quan; Xia, Zi-Jing; Zhang, Bingsen; Tang, Cheng; Wang, Hao-Fan; Zhang, Qiang; Zhang, Q (reprint author), Tsinghua Univ, Beijing Key Lab Green Chem React Engn & Technol, Dept Chem Engn, Beijing 100084, Peoples R China.
2017-10-16
发表期刊NATURE PUBLISHING GROUP
ISSN2041-1723
卷号8页码:-
摘要Water oxidation represents the core process of many sustainable energy systems, such as fuel cells, rechargeable metal-air batteries, and water splitting. Material surface defects with high-energy hanging bonds possess superb intrinsic reactivity, whose actual performance is limited by the dimension and conductivity of the electrocatalyst. Herein we propose a surface defect-rich perovskite electrocatalyst through a p-block metal regulation concept to achieve high performance for oxygen evolution. As a typical p-metal, Sn4+ dissolves from the solid phase from model SnNiFe perovskite nanodots, resulting in abundant surface defects with superior water oxidation performance. An oxygen pool model and a fusion-evolution mechanism are therefore proposed for the in-depth understanding of p-block metal regulation and the oxygen evolution reaction. The energy chemistry unveiled herein provides insights into water oxidation and helps to tackle critical issues in multi-electron oxygen electrocatalysis.; Water oxidation represents the core process of many sustainable energy systems, such as fuel cells, rechargeable metal-air batteries, and water splitting. Material surface defects with high-energy hanging bonds possess superb intrinsic reactivity, whose actual performance is limited by the dimension and conductivity of the electrocatalyst. Herein we propose a surface defect-rich perovskite electrocatalyst through a p-block metal regulation concept to achieve high performance for oxygen evolution. As a typical p-metal, Sn4+ dissolves from the solid phase from model SnNiFe perovskite nanodots, resulting in abundant surface defects with superior water oxidation performance. An oxygen pool model and a fusion-evolution mechanism are therefore proposed for the in-depth understanding of p-block metal regulation and the oxygen evolution reaction. The energy chemistry unveiled herein provides insights into water oxidation and helps to tackle critical issues in multi-electron oxygen electrocatalysis.
部门归属[li, bo-quan ; xia, zi-jing ; tang, cheng ; wang, hao-fan ; zhang, qiang] tsinghua univ, beijing key lab green chem react engn & technol, dept chem engn, beijing 100084, peoples r china ; [zhang, bingsen] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
学科领域Multidisciplinary Sciences
资助者National Key Research and Development Program [2016YFA0202500, 2016YFA0200102]; Natural Scientific Foundation of China [21422604]; Tsinghua University Initiative Scientific Research Program
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79041
专题中国科学院金属研究所
通讯作者Zhang, Q (reprint author), Tsinghua Univ, Beijing Key Lab Green Chem React Engn & Technol, Dept Chem Engn, Beijing 100084, Peoples R China.
推荐引用方式
GB/T 7714
Li, Bo-Quan,Xia, Zi-Jing,Zhang, Bingsen,et al. Regulating p-block metals in perovskite nanodots for efficient electrocatalytic water oxidation[J]. NATURE PUBLISHING GROUP,2017,8:-.
APA Li, Bo-Quan.,Xia, Zi-Jing.,Zhang, Bingsen.,Tang, Cheng.,Wang, Hao-Fan.,...&Zhang, Q .(2017).Regulating p-block metals in perovskite nanodots for efficient electrocatalytic water oxidation.NATURE PUBLISHING GROUP,8,-.
MLA Li, Bo-Quan,et al."Regulating p-block metals in perovskite nanodots for efficient electrocatalytic water oxidation".NATURE PUBLISHING GROUP 8(2017):-.
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