Abstract
The ever-growing requirement of ammonia for industry and energy supply motivates people to find clean and cost-effective alternatives to overcome the shortcomings of the century-old Haber-Bosch process. Electrocatalytic N2 reduction (NRR) is considered a prospective way for ammonia production at ambient conditions. Recently, two-dimensional (2D) metal-free materials are emerging as highly efficient and robust electrocatalysts for NRR owing to their advanced features: highly exposed surface, abundant active sites, tunable electronic states, and long-term stability compared to metal-based and bulk catalysts. In this minireview, we briefly summarize the latest edge reports on 2D metal-free materials catalyzed NRR. Also, we discuss the challenges and perspectives on the design and synthesis of novel 2D metal-free catalysts.
Highlights
Recent Advances and Challenges inReviewed by: Youwen Liu, Huazhong University of Science and Technology, China Lingfeng Gao, University of Jinan, China
As a fundamental chemical with fast-growing industrial demand due to increasing population and economy, ammonia (NH3) is an essential source of manmade fertilizer, and a promising candidate of carbon-free carrier of hydrogen energy (Schloegl, 2003; Service, 2014)
We briefly summarize the recent progresses and challenges in carbon/boron/phosphorus based 2D metal-free electrocatalysts for nitrogen reduction reaction (NRR)
Summary
Reviewed by: Youwen Liu, Huazhong University of Science and Technology, China Lingfeng Gao, University of Jinan, China. The ever-growing requirement of ammonia for industry and energy supply motivates people to find clean and cost-effective alternatives to overcome the shortcomings of the century-old Haber-Bosch process. Electrocatalytic N2 reduction (NRR) is considered a prospective way for ammonia production at ambient conditions. Two-dimensional (2D) metal-free materials are emerging as highly efficient and robust electrocatalysts for NRR owing to their advanced features: highly exposed surface, abundant active sites, tunable electronic states, and long-term stability compared to metal-based and bulk catalysts. In this minireview, we briefly summarize the latest edge reports on 2D metal-free materials catalyzed NRR.
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