A tunable bioinspired process of SnO2 NPs synthesis for electrochemical CO2-into-formate conversion

被引：11

作者：

Chowdhury, Anirban ^{[1
]}

Bhan, Chandra ^{[1
]}

Peela, Nageswara Rao ^{[1
]}

Golder, Animes Kumar ^{[1
]}

机构：

[1] Indian Inst Technol Guwahati, Dept Chem Engn, Assam 781039, India

来源：

JOURNAL OF CO2 UTILIZATION | 2022年 / 66卷

关键词：

Bioinspired route; SnO2; nanoparticles; ElectrochemicalCO2; reduction; Formate formation; CO2; REDUCTION; CARBON-DIOXIDE; FORMIC-ACID; NANOPARTICLES; EFFICIENT; CATALYSTS; FORMATE; SELECTIVITY; ELECTROREDUCTION; TRANSFORMATION;

D O I：

10.1016/j.jcou.2022.102263

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The present work aims at the bioinspired synthesis of SnO2 NPs, labeled as SnO2(bio) NPs using S. edule fruit. A mechanistic route of synthesis of SnO2 NPs from its inorganic precursor has been proposed herewith. Carbon paper decorated SnO2(bio) NPs and its calcined counterpart SnO2(bio)-800 NPs (800 degrees C) were employed for electrochemical CO2 reduction. Both SnO2(bio) NPs and SnO2(bio)-800 NPs were active towards CO2 to formate (HCOO-) as the single product, in the liquid phase of 0.5 M KHCO3 aqueous electrolyte and the maximum faradaic efficiency reached to 75.6-84.0%, respectively for 1 h of the chronoamperometric test. The predominant crystalline (110) facet in SnO2(bio)-800 NPs might have caused a significant boost in faradaic efficiency for formate formation.

引用

页数：12

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