DataVXACS Applied Materials & InterfacesPaper
journal article·2020-09-23

Efficient Ambient Electrocatalytic Ammonia Synthesis by Nanogold Triggered via Boron Clusters Combined with Carbon Nanotubes

Xue Zhao, Ziqiong Yang, Artem V. Kuklin, Glib V. Baryshnikov, Hans Ågren, Xiaohai Zhou, Haibo Zhang

ACS Applied Materials & Interfaces· Volume 12· Issue 38
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Source abstract

Abstract

Currently, the development of stable electrochemical nitrogen reduction reaction (ENRR) catalysts with high N2 conversion activity and low cost to instead of the traditional Haber-Bosch ammonia production process of high-energy consumption remains a great challenge for researchers. Here, we have immobilized reductive closo-[B12H11]− boron clusters on a carbon nanotubes (CNT) surface and have successfully prepared a novel Au-CNT catalyst with extraordinary ENRR activity after adding HAuCl4 to the CNT-[B12H11]− precursor. The excellent properties of ammonia yield (57.7 μg h–1 cm–2) and Faradaic efficiency (11.97%) make it possible to achieve using this Au-CNT catalyst in large-scale industrial production of ammonia. Furthermore, its outstanding cyclic stability and long-term tolerability performance make it one of the most cost-effective catalysts to date. Here, by means of density functional theory we disclose the associative mechanism of N2-to-NH3 conversion on the Au(111) surface, providing visual theoretical support for the experimental results.
Source: openalex_inverted_index · Quality: baseline

Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Ammonia Synthesis and Nitrogen Reduction · Hydrogen Storage and Materials · Advanced Photocatalysis Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China

Division of Theoretical Chemistry and Biology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 10691, Stockholm, Sweden

Division of Science and Innovations, Siberian Federal University, 79 Svobodniy av, Krasnoyarsk 660041, Russia

Department of Chemistry and Nanomaterials Science, Bohdan Khmelnytsky National University, 18031, Cherkasy, Ukraine

College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, P. R. China

Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, Wuhan 430072, P. R. China

National Demonstration Center for Experimental Chemistry, Wuhan University,Wuhan 430072, P. R. China

Funding

Ministry of Education of the People's Republic of China · Air Force Office of Scientific Research · Stiftelsen Olle Engkvist Byggm?stare · Wuhan University · Ministry of Education and Science of Ukraine

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