CuO nanorods for high-efficiency nitrate electroreduction to ammonia

被引：0

作者：

Li, Ling-Qi ^{[1
]}

Wang, Xiao-Hui ^{[2
]}

Zhang, Ze-Nong ^{[2
]}

Liu, Si-Mian ^{[1
]}

Wang, Xiao ^{[1
]}

Li, Shu-Ni ^{[2
]}

机构：

[1] Yanan Univ, Dept Chem & Chem Engn, Yanan 716000, Shaanxi, Peoples R China

[2] Shaanxi Normal Univ, Sch Chem & Chem Engn, Xian 710062, Peoples R China

来源：

NEW JOURNAL OF CHEMISTRY | 2025年

关键词：

D O I：

10.1039/d5nj00500k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electrocatalytic nitrate reduction (NO3-RR) provides an environmentally friendly alternative to the traditional Haber-Bosch technology for ammonia (NH3) production. Herein, cupric oxide (CuO) nanorods (NRs) were synthesized by a simple one-pot method and applied as NO3-RR electrocatalysts. Due to the nanorod-like structure and large specific surface area, the CuO NR electrocatalyst exhibited excellent NO3-RR performance. The electrocatalyst experienced in situ reconstruction and its phase partly changed from CuO to Cu/Cu2O in the process of the NO3-RR. The formed Cu/Cu2O/CuO mixed valence state promoted its catalytic activity for the NO3-RR. At -0.7 V potential, the faradaic efficiency and NH3 yield could reach 94% and 28.76 mg h-1 mgcat-1, respectively, along with excellent durability for 10 h.

引用

页数：6

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