Listar por autor "Berenguer-Betrián, Raúl"
Mostrando ítems 1-12 de 12
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Biomass-derived binderless fibrous carbon electrodes for ultrafast energy storage.
Berenguer-Betrián, Raúl
; García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Cazorla-Amorós, Diego; Morallón, Emilia; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Royal Society of Chemistry, 2015-10-14)
The possibility of storing energy efficiently and sustainably at little cost is crucial to prevent climate change and the exhaustion of natural resources. In this work we demonstrate that interconnected and porous carbon ... -
Carbon-supported VPO catalysts with fibrous structure: A new family of catalysts for partial oxidation reactions
Guerrero-Pérez, María Olga; Berenguer-Betrián, Raúl; Ford, Michael; Wachs, Israel E. (Elsevier, 2023-07-15)
The present contribution describes the synthesis of a carbon supported VPO catalyst with a fibrous structure. The synthesis method is simple, low-cost, scalable and reproducible that allows the formation of the bulk mixed ... -
Comportamiento electroquímico de carbones activados con presencia de grupos superficiales de fósforo
Gallardo-Fuentes, Aurora; Ruiz-Rosas, Ramiro Rafael; Berenguer-Betrián, Raúl; Morallón, Emilia; Cazorla-Amorós, Diego; Nishihara, Hirotomo; Kyotani, Takashi; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2013-11-05)
Debido a su elevada superficie específica y una combinación única de conductividad, estabilidad y gran versatilidad química-estructural, los carbones activados (CAs) se emplean como electrodos en diversas aplicaciones ... -
Efecto del H3PO4 en la preparación de fibras de carbono a partir de lignina. Mejoras en el proceso de estabilización y propiedades finales
García-Mateos, Francisco José; Berenguer-Betrián, Raúl; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2015-11-06)
El presente trabajo propone un nuevo método de preparación de fibras de carbono mediante electrohilado de mezclas de lignina/H3PO4, en el que se obtienen resultados que aceleran el proceso de preparación de estos materiales ... -
Effect of phosphorous groups on the stabilization and activation of low-cost lignin fibers prepared by electrospinning
The feasible wider use of carbon fibers in many of their current and potential applications demands a reduction of their manufacturing costs. In this sense, the use of lignin as an abundant, renewable and low-cost carbonaceous ... -
Electrochemical behavior of pt- a d pd-supported activated carbons with different functionalities
Gallardo-Fuentes, Aurora; Berenguer-Betrián, Raúl; Nishihara, Hirotomo; Kyotani, Takashi; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2014-07-28)
Due to their relatively low price, high surface area and versatile physic-chemical properties, conductive carbon materials are considered among the most promising supports of electroactive species and/or catalysts for ... -
In situ characterization of porous VPO catalysts with fibrous structure: Identifying the redox behavior and the stability of active sites
Berenguer-Betrián, Raúl; Fornells, Jaime; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás; Ford, Michael; Wachs, Israel E.[et al.] (2016-09-09)
Two VPO materials with fibrillar morphology have been prepared by the aid of electrospinning technique. One is a VPO carbon-supported material (VCF200) with fibrous morphology and very high surface area that is stable under ... -
Lignin-derived Pt supported carbon (submicron)fiber electrocatalysts for alcohol electro-osidation.
García-Mateos, Francisco José; Cordero-Lanzac, Tomás; Berenguer-Betrián, Raúl; Morallón, Emilia; Cazorla-Amorós, Diego; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Elsevier, 2017-04-03)
Lignin fibers, with and without phosphorus, and loaded with platinum have been prepared in a single step by electrospinning of lignin/ethanol/phosphoric acid/platinum acetylacetonate precursor solutions. Thermochemical ... -
Novel lignin-based fibrous carbon materials
Berenguer-Betrián, Raúl; García-Mateos, Francisco José; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2014-07-28)
Lignin is (and will be) an important co-product in many lignocellulosic biomass-derived industries, such as pulp and paper mills (and the future biorefineries, when the concept of bio-economy be developed). The development ... -
Preparación de micro-supercondensadores mediante electrosprayado de materiales carbonosos nanoestructurados
Ruiz-Rosas, Ramiro Rafael; Berenguer-Betrián, Raúl; Cazorla-Amorós, Diego; Morallón, Emilia; Nishihara, Hirotomo; Kyotani, Takashi; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás; Rosas-Martínez, Juana María[et al.] (2015-11-06)
Los materiales carbonosos nanoestructurados presentan excelentes propiedades eléctricas, texturales y estructurales, que pueden ser aprovechadas para la fabricación de microcondensadores de elevada potencia y energía, ... -
Preparation of different carbon materials by thermochemical conversion of lignin.
Rosas-Martínez, Juana María; Berenguer-Betrián, Raúl; Valero-Romero, María José; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (Frontiers, 2014-12-04)
Lignin valorization plays a crucial role within the modern biorefinery scheme from both the economic and environmental points of view; and the structure and composition of lignin makes it an ideal precursor for the preparation ...