4.7 Article

Using inorganic precursors for producing electrocatalysts for formic acid electrooxidation

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INORGANIC CHEMISTRY COMMUNICATIONS
卷 153, 期 -, 页码 -

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ELSEVIER
DOI: 10.1016/j.inoche.2023.110780

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Electrocatalysts; Inorganic precursor; Metal oxide; Formic acid; Palladium

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The synthesis of two new complexes and their application in the production of metal oxides were studied. The prepared metal oxides were further used for the preparation of Pd/La2O3 and Pd/CeO2 electrocatalysts. It was found that the Pd/La2O3 electrocatalyst exhibited better catalytic performance in the electrochemical oxidation of formic acid, showing higher current and enhanced hydrogen adsorption and desorption.
The new complexes [La2(nip)2(H2O)14].5H2O.nip (1) and [Ce2(nip)2(H2O)14].5H2O.nip (2) were synthesized for production of metal oxides. The as-prepared metal oxides were used for generating Pd/La2O3 and Pd/CeO2 electrocatalysts. The electrocatalytic performances of electrocatalysts were investigated for electrochemical oxidation of formic acid. The Pd/La2O3 electrocatalyst has better catalytic performance in the electrochemical oxidation of formic acid in comparison with the Pd/CeO2 electrocatalyst. Pd/La2O3 electrocatalyst presented upper current, and enhanced ad-and de-sorption of hydrogen.

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