journal article·2026-03

Halogen‐Terminated Ti 3 C 2 T x MXene Electrocatalysts for Continuous Co‐Generation of Ammonia and Electricity

Yu Wang, Ying Sun, Tianyi Ma, Ping Chen, Yang Fu, Hui Li, Baohua Jia, Xiaoguang Duan, Wei Zhang, Wenhui Fang, Jun Yan, Qi Yang, Liang‐Xin Ding, Dawei Su, Jieshan Qiu

Advanced Functional Materials· Volume 36· Issue 19
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Abstract

Abstract Aqueous rechargeable Zn‐N 2 batteries with a unique configuration can realize co‐generation of NH 3 and electricity, of which the key is the design and fabrication of active N 2 electroreduction electrocatalysts. Here, a halogen‐capping engineering approach to fabricate halogen‐terminated Ti 3 C 2 T x MXenes for Zn‐N 2 batteries is reported, showing that the halogen terminals of Ti 3 C 2 T x (T = F, Cl, Br, and I) play a significant role in enhancing the N 2 adsorption on Ti active sites and the electron transfer from Ti to N 2 . The Ti 3 C 2 Cl x catalyst is the best in terms of both N 2 electroreduction and the Faradic efficiency among all reported MXene‐based catalysts due to the moderate electronegativity and small steric hindrance of Cl‐terminal. Impressively, the Ti 3 C 2 Cl x ‐based Zn‐N 2 battery with high power density can continuously produce NH 3 in high capacity in an alkaline electrolyte. This work will help to develop high‐performance MXene‐based NRR electrocatalysts and Zn‐N 2 batteries for continuous green NH 3 and electricity production.
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Research context

OpenAlex topics: Ammonia Synthesis and Nitrogen Reduction · CO2 Reduction Techniques and Catalysts · Electrocatalysts for Energy Conversion

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

Affiliations

Institute of Clean Energy Chemistry Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province College of Chemistry Liaoning University Shenyang 110036 P. R. China

College of Chemical Engineering State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology Beijing 100029 P. R. China

Centre for Atomaterials and Nanomanufacturing (CAN) School of Science RMIT University Melbourne VIC 3000 Australia

ARC Industrial Transformation Research Hub for Intelligent Energy Efficiency in Future Protected Cropping (E2Crop) Melbourne VIC 3000 Australia

School of Chemistry and Chemical Engineering Anhui University Hefei 230601 P. R. China

School of Chemical Engineering The University of Adelaide Adelaide SA 5005 Australia

School of Chemistry and Chemical Engineering South China University of Technology Guangzhou P. R. China

School of Science STEM College RMIT University Melbourne VIC 3000 Australia

Funding

Australian Research Council · Australian Government · National Natural Science Foundation of China

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