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Loại tài liệu: Tài liệu số - Journal Article
Thông tin trách nhiệm: Feng, Daming; Zhang, Xu; Sun, Ying; Mab, Tianyi
Nhà Xuất Bản: Elsevier
Năm Xuất Bản: 2020
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In the viewpoint of ammonia economy, electrochemical N2 reduction reaction (NRR) under mild condition is arnvery promising approach for sustainable development. By virtue of robust activity and low cost, transition-metalbasedrnmaterials become one kind of the most attractive electrocatalysts in realizing ammonia synthesis to thernindustrial level. However, the investigation related to NRR electrocatalysts still mainly rely on costly substance orrnfabrication process, which greatly restrict their large-scale applications. In this work, a simple fabricated FeS2rnelectrode is adopted as NRR catalysts. The abundant surface defects due to the existence of Cr element, as well asrnthe synergistic effect between FeS2 crystal planes provided excellent electrocatalytic performance with a high NH3rnyield rate (11.5 μg hu00011mg -1rnFe) and Faradaic efficiency (14.6%) at -0.2 V vs. reversible hydrogen electrode (RHE)rntoward NRR under ambient conditions. The superior catalytic performance of such non-precious metal catalystsrnwould strongly promote the application of NRR process industrially.
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