Physical; Electrochemistry; Energy & Fuels; Materials Science

Sulfur-doped carbon nanofibers as support for tantalum oxides bifunctional catalysts for the oxygen reduction and evolution reactions

Autores: Ruiz-Cornejo, JC; Sebastian, D; Pardo, JI; Martinez-Huerta, MV; Lazaro, MJ

J. Power Sources. vol: 546. page: 0378-7753.
Fecha: oct-30. 2022.
Doi: 10.1016/j.jpowsour.2022.231988.

Highly efficient, low-cost and stable bifunctional catalysts for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are highly desirable for the development of green electrochemical energy storage and conversion devices. Here, we report the synthesis of [read more]

Enhanced stability of SrRuO3 mixed oxide via monovalent doping in Sr1-xKxRuO3 for the oxygen evolution reaction

Autores: Rodriguez-Garcia, I; Galyamin, D; Pascual, L; Ferrer, P; Pena, MA; Grinter, D; Held, G; Salam, MA; Mokhtar, M; Narasimharao, K; Retuerto, M; Rojas, S

J. Power Sources. vol: 521. page: 0378-7753.
Fecha: feb-15. 2022.
Doi: 10.1016/j.jpowsour.2021.230950.

Ru mixed oxides are the most active catalysts for the oxygen evolution reaction (OER) in acid electrolyte. However, their stability is seriously compromised [read more]

Influence of the synthesis parameters on the proton exchange membrane fuel cells performance of Fe-N-C aerogel catalysts

Autores: Wang, YL; Larsen, MJ; Rojas, S; Sougrati, MT; Jaouen, F; Ferrer, P; Gianolio, D; Berthon-Fabry, S

J. Power Sources. vol: 514. page: 0378-7753.
Fecha: DEC 1. 2021.
Doi: 10.1016/j.jpowsour.2021.230561.

Fe-N-C aerogel catalysts were prepared by sol-gel polycondensation of resorcinol, melamine and formaldehyde precursors in the presence of FeCl3 salt, followed by supercritical drying and thermal treatments. The effect of [read more]

Study of the evolution of FeNxCy and Fe3C species in Fe/N/C catalysts during the oxygen reduction reaction in acid and alkaline electrolyte

Autores: Garcia, A; Pascual, L; Ferrer, P; Gianolio, D; Held, G; Grinter, DC; Pena, MGA; Retuerto, M; Rojas, S

J. Power Sources. vol: 490. page: 0378-7753.
Fecha: APR 1. 2021.
Doi: 10.1016/j.jpowsour.2021.229487.

The nature and evolution of FeNxCy moieties in Fe/C/N catalysts has been studied by analysing Fe and N environments. TEM and Fe-XAS reveal the presence of FeNx moieties [read more]

Superior electrochemical performance of TiO2 sodium-ion battery anodes in diglyme-based electrolyte solution

Authors: Rubio, S; Maca, RR; Aragon, MJ; Cabello, M; Castillo-Rodriguez, M; Lavela, P; Tirado, JL; Etacheri, V; Ortiz, GF

J. Power Sources. vol: 432. page: 0378-7753.
Date: AUG 31. 2019.
Doi: 10.1016/j.jpowsour.2019.05.070.

Sodium-ion batteries are considered a promising alternative to lithium-ion batteries due to its low cost and potential applications for large-scale energy storage. In this work, we focus on [read more]

Role of lattice oxygen content and Ni geometry in the oxygen evolution activity of the Ba-Ni-O system

Authors: Retuerto, M; Calle-Vallejo, F; Pascual, L; Ferrer, P; Garcia, A; Torrero, J; Gianolio, D; Fierro, JLG; Pena, MA; Alonso, JA; Rojas, S

J. Power Sources. vol: 404. page: 0378-7753.
Date: nov-15. 2018.
Doi: 10.1016/j.jpowsour.2018.09.098.

The activity of oxides towards the oxygen evolution reaction (OER) is usually tuned by changing the transition metal components and/or the surface facets. An important [read more]


marzo 2023
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