Continuous Intermediates Spillover Boosts Electrochemical Nitrate Conversion to Ammonia over Dual Single‐Atom Alloy
Abstract
Abstract Electrochemical nitrate conversion to ammonia driven by sustainable green electricity is regarded as a promising supplement to the traditional Haber–Bosch process. However, it is still restricted by the low NH 3 yield rate and Faradaic efficiency. Here, we propose a continuous intermediates spillover strategy by constructing dual single‐atom alloy to boost ammonia yield rate and Faradaic efficiency. The intermediates continuously spill over back and forth on the atomically dispersed Mo and Fe sites in Pd lattice, which adaptively experiences low energy barrier for each elementary step in nitrate conversion. As a result, the synthesized dual single‐atom alloy metallene delivered an NH 3 yield rate of 13.4 mol g cat. −1 h −1 , and Faradaic efficiency of 94.6%, as well as remarkable cycling stability of 300 h. Furthermore, the dual single‐atom alloy metallene was assembled into a zinc‐nitrate battery as the cathode, which delivered an output voltage of 1.477 V, and the maximum output power density of 13.4 mW cm −2 .
Article Details
Authors (14)
Wei Ye
Frontiers Science Center for Molecular Design Breeding, Beijing Key Laboratory of Crop Genetic Improvement, Department of Plant Genetics and Breeding, College of Agronomy and Biotechnology, China Agricultural University
Yuanhui Yao
Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Zhejiang Key Laboratory of Organosilicon Material Technology, College of Material, Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou Zhejiang 311121 China
Xiaofei Wei
School of Materials Science and Engineering
Mengqiu Xu
Laboratory of Advanced Materials, State Key Laboratory of Porous Materials for Separation and Conversion, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials
Shuang Zhao
Ministry of Education Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Frontiers Science Center for High Energy Materials, School of Chemistry and Chemical Engineering, Advanced Technology Research Institute (Jinan), Advanced Research Institute of Multidisciplinary Science
Wei Wang
Gan Jia
Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Zhejiang Key Laboratory of Organosilicon Material Technology, College of Material, Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou Zhejiang 311121 China
Fangna Dai
School of Materials Science and Engineering
Peng Gao
Xiaoqing Lu
School of Materials Science and Engineering
Xiaogang Li
Institute for Advanced Materials and Technology
Baojuan Xi
Nana Wang
Shenglin Xiong