Electrocatalytic reduction of carbon dioxide over reduced nanoporous zinc oxide

被引：95

作者：

Jiang, Xiaole ^{[1
,2
]}

Cai, Fan ^{[1
,2
]}

Gao, Dunfeng ^{[1
]}

Dong, Jinhu ^{[1
,2
]}

Miao, Shu ^{[3
]}

Wang, Guoxiong ^{[1
]}

Bao, Xinhe ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, CAS Ctr Excellence Nanosci, State Key Lab Catalysis, 457 Zhongshan Rd, Dalian 116023, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China

[3] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2016年 / 68卷

基金：

中国国家自然科学基金;

关键词：

Electrocatalytic reduction of carbon dioxide; Zinc oxide; Nanoporous structure; In situ X-ray absorption spectroscopy; SELECTIVE ELECTROCHEMICAL REDUCTION; CO2; REDUCTION; AU NANOPARTICLES; ELECTROREDUCTION; ELECTRODES; HCOOH; PD;

D O I：

10.1016/j.elecom.2016.05.003

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Nanoporous zinc oxide (ZnO) is prepared by a hydrothermal method followed by thermal decomposition for electrocatalytic reduction of CO2. In situ X-ray absorption spectroscopy results indicate that ZnO is reduced to Zn under the electrolysis conditions for catalyzing CO2 electroreduction. The reduced nanoporous ZnO exhibits obviously higher CO Faradaic efficiency and current density than commercial Zn foil with a maximum CO Faradaic efficiency of 92.0%, suggesting that the nanoporous structure facilitates electrocatalytic reduction of CO2 over reduced nanoporous ZnO, probably due to increased surface area and more coordination unsaturated surface atoms. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：67 / 70

页数：4

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