Layer Shape LiFePO4 Obtained by Powder Extrusion Molding as Solid Boosters for Ferro/Ferricyanide Catholyte in Semisolid Redox Flow Battery: Effect of Porosity and Shape

Autores: Vivo-Vilches, JF; Vazquez-Navalmoral, A; de la Torre-Gamarra, C; Cebollada, J; Varez, A; Levenfeld, B

Artículo; Early Access.
Batteries Supercaps. vol: . page: .
Fecha: . .
Doi: 10.1002/batt.202200050.

Resumen:
Powder extrusion molding is proposed to fabricate ceramic LiFePO4 layers (0.5-1.0 mm thickness) as solid booster for ferricyanide electrolyte in semisolid redox flow battery. In some extruded layers, the binder is partially [read more]

Efficient Production of Solar Hydrogen Peroxide Using Piezoelectric Polarization and Photoinduced Charge Transfer of Nanopiezoelectrics Sensitized by Carbon Quantum Dots

Autores: Zhou, XF; Yan, F; Lyubartsev, A; Shen, B; Zhai, JW; Conesa, JC; Hedin, N

Artículo; Early Access.
Adv. Sci.. vol: . page: .
Fecha: . .
Doi: 10.1002/advs.202105792.

Resumen:
Piezoelectric semiconductors have emerged as redox catalysts, and challenges include effective conversion of mechanical energy to piezoelectric polarization and achieving high catalytic activity. The catalytic activity can be enhanced by simultaneous irradiation [read more]

One-Pot Conversion of Glucose into 5-Hydroxymethylfurfural using MOFs and Bronsted-Acid Tandem Catalysts

Autores: Lara-Serrano, M; Morales-delaRosa, S; Campos-Martin, JM; Abdelkader-Fernandez, VK; Cunha-Silva, L; Balula, SS

Artículo; Early Access.
Adv. Sustain. Syst.. vol: . page: 2366-7486.
Fecha: . .
Doi: 10.1002/adsu.202100444.

Resumen:
The direct conversion reaction of glucose to 5-hydroxymethylfurfural (HMF) is studied using metal organic framework (MOF) as Lewis-acid catalysts and a polyoxometalate (POM), silicotungstic acid, as a Brensted-type acid with a mixture of [read more]

Elucidating the roles of acid site nature and strength in the direct conversion of levulinic acid into ethyl valerate: the case of Zr-modified beta zeolite-supported Pd catalysts

Autores: Munoz-Olasagasti, M; Martinez-Salazar, I; Granados, ML; Lopez-Aguado, C; Iglesias, J; Morales, G; Mariscal, R

Artículo.
Sustain. Energ. Fuels. vol: 6. page: 2398-4902.
Fecha: feb-15. 2022.
Doi: 10.1039/d1se01802g.

Resumen:
The effects of the nature and strength of surface acid sites on the properties of the catalyst used for the one-pot conversion of levulinic acid to valeric biofuels have been investigated. The acid [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

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

Resumen:
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]

Production and Digestibility Studies of beta-Galactosyl Xylitol Derivatives Using Heterogeneous Catalysts of LacA beta-Galactosidase from Lactobacillus Plantarum WCFS1

Autores: Rosado, E; Delgado-Fernandez, P; de las Rivas, B; Munoz, R; Moreno, FJ; Corzo, N; Mateo, C

Artículo.
Molecules. vol: 27. page: .
Fecha: FEB. 2022.
Doi: 10.3390/molecules27041235.

Resumen:
The synthesis of beta-galactosyl xylitol derivatives using immobilized LacA beta-galactosidase from Lactobacillus plantarum WCFS1 is presented. These compounds have the potential to replace traditional sugars by their properties as sweetener and taking the [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

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

Resumen:
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]

Surface Enhanced Infrared Characterization Using Disordered Slit-Antenna Arrays for the Detection of Electrodeposited Cytochrome C

Authors: Armelles, G; Cebollada, A; Cava, DG; Alvarez-Malmagro, J; Velez, M

Article; Early Access.
Plasmonics. vol: . page: 1557-1955.
Date: . .
Doi: 10.1007/s11468-021-01521-7.

Abstract:
An approach which allows both electrochemical studies and surface enhanced infrared characterization of electrodeposited Cytochrome C is presented. This approach is based on in-plane disordered arrays of resonant slits engraved in Au substrates using focused ion beam. [read more]

High thermoelectric efficiency in electrodeposited silver selenide films: from Pourbaix diagram to a flexible thermoelectric module

Authors: Manzano, CV; del Olmo, CL; Caballero-Calero, O; Martin-Gonzalez, M

Article.
Sustain. Energ. Fuels. vol: 5. page: 2398-4902.
Date: sep-21. 2021.
Doi: 10.1039/d1se01061a.

Abstract:
In the last few years, the exploration of new thermoelectric materials with low-toxicity, earth-abundance, and high-efficiency has become essential. Following this trend, sustainable, easily scalable, and cost-effective fabrication methods, such as electrochemical deposition, are also desirable. In this [read more]

Effect of Annealing Temperature on Structural and Optical Properties of ZnTiO3 Perovskite Layers Deposited on Silicon for Photocatalytic Applications

Autores: Hammedi, K; Dkhili, M; Khalifa, M; Alvarez-Galvan, C; Ouertani, R; Aouida, S; Ezzaouia, H

Artículo.
ChemistrySelect. vol: 6. page: 2365-6549.
Fecha: sep-21. 2021.
Doi: 10.1002/slct.202100215.

Resumen:
In this paper, we investigate the effect of annealing temperature on structural, optical, and photocatalytic properties of nanostructured ZnTiO3 thin films deposited on Si substrates. ZnTiO3 coatings were prepared by consecutive sol-gel method and further [read more]

2022-05-05T18:24:57+02:00Categories: Publicaciones 2022|Tags: , |

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