Electrochemical CO2 reduction on heterogeneous cobalt phthalocyanine catalysts with different carbon supports

被引：29

作者：

Huai, Mingming ^{[1
]}

Yin, Zhenglei ^{[1
]}

Wei, Fengyuan ^{[1
]}

Wang, Gongwei ^{[1
]}

Xiao, Li ^{[1
]}

Lu, Juntao ^{[1
]}

Zhuang, Lin ^{[1
,2
]}

机构：

[1] Wuhan Univ, Coll Chem & Mol Sci, Hubei Key Lab Electrochem Power Sources, Wuhan 430072, Hubei, Peoples R China

[2] Wuhan Univ, Inst Adv Studies, Wuhan 430072, Hubei, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2020年 / 754卷

基金：

中国国家自然科学基金;

关键词：

CO2; reduction; Cobalt phthalocyanine; Carbon support; Durability; pi-pi interaction; ORGANIC FRAMEWORKS; ELECTROREDUCTION; DIOXIDE; COMPLEXES;

D O I：

10.1016/j.cplett.2020.137655

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：

Supporting materials have a significant impact on heterogeneous molecular catalysts. Herein, we have studied the electrochemical CO2 reduction on cobalt phthalocyanine (CoPc) with Vulcan XC-72 and carbon nanotubes (CNTs) supports, respectively. Compared with pure CoPc, the resulting CoPc/XC-72 and CoPc/CNTs exhibits a notable improvement in catalytic activity. The CoPc/XC-72 maintains a stable polarization just for 15 h with a turnover number (TON) of 48,600, whereas the CoPc/CNTs lasts over 45 h with a high TON of 180,000 and CO Faraday efficiency of 88%. The excellent catalytic stability of CoPc/CNTs is attributed to a strong pi-pi interaction between CoPc and CNTs.

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页数：5

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