Electrochemically created roughened lead plate for electrochemical reduction of aqueous CO2

被引：47

作者：

He, Zhiqiao ^{[1
]}

Shen, Jie ^{[1
]}

Ni, Zhili ^{[1
]}

Tang, Juntao ^{[1
]}

Song, Shuang ^{[1
]}

Chen, Jianmeng ^{[1
]}

Zhao, Li ^{[2
]}

机构：

[1] Zhejiang Univ Technol, Coll Biol & Environm Engn, Hangzhou 310032, Zhejiang, Peoples R China

[2] Harbin Inst Technol, Sch Chem Engn & Technol, Harbin 150001, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2015年 / 72卷

基金：

中国国家自然科学基金;

关键词：

Oxidation-reduction cycles; Roughened Pb electrode; CO2; reduction; Formate; GAS-DIFFUSION ELECTRODES; CARBON-DIOXIDE; ELECTROLYTIC REDUCTION; SELECTIVITY; ACID; ELECTROREDUCTION; SPECTROSCOPY; CONVERSION; FORMATE; PB;

D O I：

10.1016/j.catcom.2015.08.024

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：

Surface-roughened Pb electrodes were prepared through a facile oxidation-reduction cycle. Compared with their smooth surface counterparts, the electrodes exhibited significantly higher activity, selectivity, and energy utilization in the electrocatalytic reduction of CO2 to HCOOH using water under ambient temperature and pressure. Furthermore, the modified electrodes maintained high activities after operating repeatedly for five batches. The enhanced performance of these electrodes is attributed to the enlarged active surface area and increased number of reactive species associated with the three-dimensional structure of the surface. Both the hydrogenation mechanism and the hydrogencarbonate mechanism were affected during the electrochemical CO2 reduction. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：38 / 42

页数：5

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