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含钯金属聚合物对水中一氧化碳的电催化还原

Electrocatalytic Reduction of CO in Water by a Palladium-Containing Metallopolymer.

作者信息

Teixeira Marcos F S, Olean-Oliveira André, Anastácio Fernanda C, David-Parra Diego N, Cardoso Celso X

机构信息

Department of Chemistry and Biochemistry, School of Science and Technology, Sao Paulo State University (UNESP), Presidente Prudente CEP 19060-900, SP, Brazil.

Department of Physics, School of Science and Technology, Sao Paulo State University (UNESP), Presidente Prudente CEP 19060-900, SP, Brazil.

出版信息

Nanomaterials (Basel). 2022 Apr 2;12(7):1193. doi: 10.3390/nano12071193.

DOI:10.3390/nano12071193
PMID:35407311
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9000595/
Abstract

The palladium-salen complex was immobilized by electropolymerization onto a Pt disc electrode and applied as an electrocatalyst for the reduction of CO in an aqueous solution. Linear sweep voltammetry measurements and rotating disk experiments were carried out to study the electrochemical reduction of carbon dioxide. The onset overpotential for carbon dioxide reduction was approximately -0.22 V vs. NHE on the poly-Pd(salen) modified electrode. In addition, by combining the electrochemical study with a kinetic study, the rate-determining step of the electrochemical CO reduction reaction (CORR) was found to be the radial reduction of carbon dioxide to the CO adsorbed on the metal.

摘要

通过电聚合将钯-席夫碱配合物固定在铂盘电极上,并用作水溶液中一氧化碳还原的电催化剂。进行线性扫描伏安法测量和旋转圆盘实验以研究二氧化碳的电化学还原。在聚钯(席夫碱)修饰电极上,二氧化碳还原的起始过电位相对于标准氢电极约为-0.22V。此外,通过将电化学研究与动力学研究相结合,发现电化学一氧化碳还原反应(CORR)的速率决定步骤是二氧化碳向吸附在金属上的一氧化碳的径向还原。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/a786945fbc83/nanomaterials-12-01193-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/d07693d58cd9/nanomaterials-12-01193-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/bda6ad5fdf55/nanomaterials-12-01193-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/74e72b0d0522/nanomaterials-12-01193-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/f570edfd2e66/nanomaterials-12-01193-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/6817166df546/nanomaterials-12-01193-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/7f098741c71c/nanomaterials-12-01193-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/a786945fbc83/nanomaterials-12-01193-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/d07693d58cd9/nanomaterials-12-01193-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/bda6ad5fdf55/nanomaterials-12-01193-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/74e72b0d0522/nanomaterials-12-01193-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/f570edfd2e66/nanomaterials-12-01193-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/6817166df546/nanomaterials-12-01193-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/7f098741c71c/nanomaterials-12-01193-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fc3/9000595/a786945fbc83/nanomaterials-12-01193-g006.jpg

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Progress and Perspectives of Electrochemical CO Reduction on Copper in Aqueous Electrolyte.电化学 CO 还原在水溶液电解质中铜上的进展与展望。
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Copper Metallopolymer Catalyst for the Electrocatalytic Hydrogen Evolution Reaction (HER).
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