Study on the Structure vs Activity of Designed Non-Precious Metal electrocatalysts for CO2 Conversion

被引：4

作者：

Yuan, Wangchao ^{[1
]}

Jeyachandran, Nivetha ^{[1
]}

Rao, Tingke ^{[1
]}

Nabi, Azeem Ghulam ^{[1
,4
]}

Bisetto, Matteo ^{[2
,3
]}

Di Tommaso, Devis ^{[1
]}

Montini, Tiziano ^{[2
,3
]}

Giordano, Cristina ^{[1
]}

机构：

[1] Queen Mary Univ London, Dept Chem, Mile End Rd, London E1 4NS, England

[2] Univ Trieste, Ctr Energy Environm & Transport Giacomo Ciamiciam, Dept Chem & Pharmaceut Sci, INSTM Trieste Res Unit, Via Licio Giorgieri 1, I-34127 Trieste, Italy

[3] Univ Trieste, ICCOM CNR Trieste Res Unit, Via Licio Giorgieri 1, I-34127 Trieste, Italy

[4] Univ Gujrat, Dept Phys, Gujrat 50700, Pakistan

来源：

MATERIALS LETTERS | 2023年 / 341卷

关键词：

Bimetallic electrocatalysts; Copper-tin nanoparticles; Urea-glass-route; CO2RR;

D O I：

10.1016/j.matlet.2023.134167

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This work investigates Cu and Cu-Sn nanocatalysts with controlled composition and morphology for the elec- trochemical CO2 reduction reaction to value-added chemicals, showing that bimetallic materials possess active sites with increased specific activity toward activation and reduction of CO2 compared to monometallic ones. While Cu showed high selectivity for the competitive hydrogen evolution reaction, bimetallic Cu-Sn electro- catalysts were selective towards CO and formates. Nanoparticles were prepared via a straightforward chemical process, leading to small, well-define and crystalline nanoparticles, either mono or bimetallic, where Cu and Sn precursors are blended in one step to achieve alloyed or core-shell structures.

引用

页数：5