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New Pd/Co-Ni electrocatalysts for formic acid electrooxidation and their fabrication from inorganic precursor [Co0.14Ni1.86(dipic)2(phen)2(H2O)2].4H2O

Abstract

The Novel Pd/Co-Ni oxide composites were developed as electrocatalysts for formic acid electro-oxidation as a process that can be utilised in fuel cells and electrochemical sensors. For achieving this goal, the new complex [Co0.14Ni1.86(dipic)2(phen)2(H2O)2].4H2O (1) was synthesised and used as an inorganic precursor for producing Co-Ni mixed metal promoter. In the following, palladium nanoparticles were anchored on Co-Ni mixed metal oxide via a reaction of chemical reduction with four different loadings. The electrocatalytic activity of electrocatalysts was investigated for HCOOH electro-oxidation by electrochemical studies. Compared with single component electrocatalysts, the new electrocatalysts exhibited higher current, improved absorption/desorption of hydrogen, and a higher loading for metal oxide.

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Supplementary files

Article information


Submitted
06 Sep 2020
Accepted
14 Oct 2020
First published
14 Oct 2020

Dalton Trans., 2020, Accepted Manuscript
Article type
Paper

New Pd/Co-Ni electrocatalysts for formic acid electrooxidation and their fabrication from inorganic precursor [Co0.14Ni1.86(dipic)2(phen)2(H2O)2].4H2O

S. Saheli, A. R. Rezvani, Z. Yavari, M. Dušek and M. Kučeráková, Dalton Trans., 2020, Accepted Manuscript , DOI: 10.1039/D0DT03113E

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