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Frontiers of Chemical Science and Engineering

ISSN 2095-0179

ISSN 2095-0187(Online)

CN 11-5981/TQ

邮发代号 80-969

2019 Impact Factor: 3.552

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Frontiers of Chemical Science and Engineering  2012, Vol. 6 Issue (4): 381-388   https://doi.org/10.1007/s11705-012-1216-2
  RESEARCH ARTICLE 本期目录
Preparation of a Pb loaded gas diffusion electrode and its application to CO2 electroreduction
Preparation of a Pb loaded gas diffusion electrode and its application to CO2 electroreduction
Ang LI, Hua WANG(), Jinyu HAN, Li LIU
Key Laboratory for Green Chemical Technology (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
 全文: PDF(335 KB)   HTML
Abstract：

A Pb loaded gas diffusion electrode was fabricated and used for the electroreduction of CO2 to formic acid. The Pb/C catalyst was prepared by isometric impregnation. The crystal structure and morphology of the Pb/C catalyst were characterized by X-ray diffraction (XRD) and transmission electron microscope (TEM). The preparation conditions of the gas diffusion electrode were optimized by adjusting the amounts of polytetrafluoroethylene (PTFE) in the gas diffusion layer and acetylene black in the catalytic layer. The electrochemical performance of the as-prepared gas diffusion electrode was studied by chronoamperometry and cyclic voltammetry. The optimized gas diffusion electrode showed good catalytic performance for the electroreduction of CO2. The current efficiency of formic acid after 1 h of operation reached a maximum of 22% at -2.0 V versus saturated calomel electrode (SCE).
Key words： electroreduction    carbon dioxide    lead catalyst    gas diffusion electrode    formic acid
收稿日期: 2012-02-24      出版日期: 2012-12-05
Corresponding Author(s): WANG Hua,Email:tjuwanghua@tju.edu.cn   
 引用本文:   
. Preparation of a Pb loaded gas diffusion electrode and its application to CO2 electroreduction[J]. Frontiers of Chemical Science and Engineering, 2012, 6(4): 381-388.
Ang LI, Hua WANG, Jinyu HAN, Li LIU. Preparation of a Pb loaded gas diffusion electrode and its application to CO2 electroreduction. Front Chem Sci Eng, 2012, 6(4): 381-388.
 链接本文:  
https://academic.hep.com.cn/fcse/CN/10.1007/s11705-012-1216-2
https://academic.hep.com.cn/fcse/CN/Y2012/V6/I4/381
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SampleAcetylene black:PTFE/(g:g)a)Acetylene black:Na2SO4/(g:g)Thickness /mmCO2 permeability /(103cm3(STP)·cm-2·s-1·cm-1 Hg)
GDL-11:12.5:10.383.90
GDL-23:22.5:10.385.21
GDL-37:32.5:10.385.88
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Time interval/min5–1010–2020–3030–4040–5050–60
Average reaction rate/(mg·L-1·min-1)0.061.440.161.380.840.25
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