La0.80Sr0.20CoO3 as a noble-metal-free catalyst for the direct oxidation of formic acid under zero applied potential

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dc.contributor.author Bisht, Anuj
dc.contributor.author Pentyala, Phanikumar
dc.contributor.author Deshpande, Parag A.
dc.contributor.author Sharma, Sudhanshu
dc.date.accessioned 2019-01-02T09:42:07Z
dc.date.available 2019-01-02T09:42:07Z
dc.date.issued 2019-02
dc.identifier.citation Bisht, Anuj; Pentyala, Phanikumar; Deshpande, Parag A. and Sharma, Sudhanshu, "La0.80Sr0.20CoO3 as a noble-metal-free catalyst for the direct oxidation of formic acid under zero applied potential", Electrochemistry Communications, DOI: 10.1016/j.elecom.2018.12.010, vol. 99, pp. 1-4, Feb. 2019. en_US
dc.identifier.issn 1388-2481
dc.identifier.uri https://doi.org/10.1016/j.elecom.2018.12.010
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/4051
dc.description.abstract Direct oxidation of formic acid to CO2 using noble-metal-free La0.80Sr0.20CoO3 is demonstrated in this study. The catalyst was able to oxidize HCOOH without any externally applied potential. The activity of La0.80Sr0.20CoO3 is compared with that of Pt nanoparticles. It is observed that the amount of CO2 generated using La0.80Sr0.20CoO3 is five times higher than that generated with Pt nanoparticles. The experimental observations are supported by DFT calculations, which reveal the role of the lattice oxygen in La0.80Sr0.20CoO3 in the catalytic effect. The Sr ions were not found to have any appreciable role in the dissociation step. Weak binding of CO2 involving energy changes of the order of ?1?kcal/mol indicated the ease of CO2 desorption from the catalyst surface, thus making the catalyst highly active for electrochemical HCOOH oxidation.
dc.description.statementofresponsibility by Anuj Bisht Phanikumar Pentyala, Parag A.Deshpande and Sudhanshu Sharma
dc.format.extent vol. 99, pp. 1-4
dc.language.iso en en_US
dc.publisher Elsevier en_US
dc.subject Formic acid en_US
dc.subject Electro-oxidation en_US
dc.subject Lattice oxygen en_US
dc.subject Perovskite en_US
dc.subject DFT en_US
dc.title La0.80Sr0.20CoO3 as a noble-metal-free catalyst for the direct oxidation of formic acid under zero applied potential en_US
dc.type Article en_US
dc.relation.journal Electrochemistry Communications


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