Sn dendrites for electrocatalytic N2reduction to NH3under ambient conditions

被引：59
作者：
Lv, Xu [1 ]
Wang, Fengyi [1 ]
Du, Juan [1 ]
Liu, Qian [2 ]
Luo, Yongsong [2 ]
Lu, Siyu [3 ]
Chen, Guang [4 ]
Gao, Shuyan [5 ]
Zheng, Baozhan [1 ]
Sun, Xuping [2 ]
机构：
[1] Sichuan Univ, Coll Chem, Chengdu 610064, Sichuan, Peoples R China
[2] Univ Elect Sci & Technol China, Inst Fundamental & Frontier Sci, Chengdu 610054, Sichuan, Peoples R China
[3] Zhengzhou Univ, Green Catalysis Ctr, Zhengzhou 450001, Henan, Peoples R China
[4] Qufu Normal Univ, Green Key Lab Life Organ Anal, Key Lab Pharmaceut Intermediates & Anal Nat Med, Sch Chem & Chem Engn, Qufu 273165, Shandong, Peoples R China
[5] Henan Normal Univ, Sch Mat Sci & Engn, Xinxiang 453007, Henan, Peoples R China
来源：
SUSTAINABLE ENERGY & FUELS | 2020年 / 4卷 / 09期
基金：
中国国家自然科学基金;
关键词：
ATMOSPHERIC-PRESSURE; NITROGEN REDUCTION; AMMONIA-SYNTHESIS; HIGH SELECTIVITY; RATIONAL DESIGN; N-2; REDUCTION; NH3; SYNTHESIS; WATER; NANOPARTICLES; TEMPERATURE;
D O I：
10.1039/d0se00828a
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Industrial-scale synthesis of NH(3)mainly relies on the energy-intensive Haber-Bosch technology, which not only needs harsh conditions but also produces a large amount of CO2. Electrochemical N(2)reduction is regarded as an environmentally friendly method for artificial N-2-to-NH(3)conversion, but needs efficient catalysts for the N(2)reduction reaction (NRR). Here, we report that Sn dendrites on Sn foil act as a non-noble-metal electrocatalyst for the electrochemical NRR under ambient conditions. This electrocatalyst affords an NH(3)yield of 5.66 x 10(-11)mol s(-1)cm(-2)and a Faraday efficiency of 3.67% at -0.60 Vversusthe reversible hydrogen electrode in 0.1 M PBS (pH = 7.0), with high electrochemical durability.
引用
收藏
页码：4469 / 4472
页数：4
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