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Listar por palabra clave "Proton conductivity"

Mostrando ítems 1-17 de 17

A Deep Insight into Different Acidic Additives as Doping Agents for Enhancing Proton Conductivity on Polybenzimidazole Membranes

Escorihuela, Jorge; Garcia-Bernabe, Abel; Compañ Moreno, Vicente (MDPI AG, 2020-06)

[EN] The use of phosphoric acid doped polybenzimidazole (PBI) membranes for fuel cell applications has been extensively studied in the past decades. In this article, we present a systematic study of the physicochemical ...
Cathode materials for La0.995Ca0.005NbO4 proton ceramic electrolyte

Kravchyk, K.V.; Quarez, E.; Solis Díaz, Cecilia; Serra Alfaro, José Manuel; Joubert, O. (Elsevier, 2011-10)

[EN] The study presents the chemical and mechanical compatibility of the proton conducting electrolyte La0.995Ca0.005NbO4 (LCNO) with the LSM, LSCM and BSCF cathodes and the electrochemical performance of symmetrical cells ...
Crosslinked sulfonated poly(vinyl alcohol)/graphene oxide electrospun nanofibers as polyelectrolytes

Gil-Castell, O.; Galindo-Alfaro, Diana; Sanchez-Ballester, S.; TERUEL JUANES, ROBERTO; David Badia, José; Ribes-Greus, A. (MDPI AG, 2019)

[EN] Taking advantage of the high functionalization capacity of poly(vinyl alcohol) (PVA), bead-free homogeneous nanofibrous mats were produced. The addition of functional groups by means of grafting strategies such as the ...
Estudio de conductividad protónica de membranas compuestas de Polibencimidazol y ZIFs, dopada con ácido fítico para pilas combustible de alta temperatura

Cuerda Lucas, Dimas (Universitat Politècnica de València, 2020-12-07)

[ES] Las pilas de combustible poliméricas de alta temperatura (PEMFC-HT del inglés Proton Exchange Membrane Fuel Cell-High Temperature) tienen varias ventajas respecto de las pilas de baja temperatura. La combustión ...
Estudio de la conductividad protónica de membranas compuestas de Polieter-eter-cetona sulfonadas y MOF de base de hierro para pilas de combustible

Rubio Sánchez, Rafael (Universitat Politècnica de València, 2021-10-15)

[ES] Las fuentes de energía renovables son cada día más importantes en la descarbonización de la economía y transición energética que la sociedad necesita. Cada día se desarrollan estas fuentes renovables, mejorando la ...
Estudio de las propiedades térmicas y dieléctricas de nanocomposites membranas de quitosano con lignina Organosolv o Kraft al 1%

Beirnaert, Karel (Universitat Politècnica de València, 2021-09-06)

[ES] El quitosano es uno de los biopolímeros biodegradables renovables más abundantes con buenas propiedades antimicrobianas, antioxidantes y absorbentes de disolventes, que se puede utilizar en aplicaciones tales como ...
Functionalised Poly(Vinyl Alcohol)/Graphene Oxide as Polymer Composite Electrolyte Membranes

Gil Castell, Óscar; Cerveró, R.; TERUEL JUANES, ROBERTO; Badia, J. D.; Ribes Greus, María Desamparados (Scrivener Publishing, 2019)

[EN] Crosslinked poly(vinyl alcohol) (PVA) based composite films were prepared as polyelectrolyte membranes for low temperature direct ethanol fuel cells (DEFC). The membranes were functionalised by means of the addition ...
Influence of Pectin as a green polymer electrolyte on the transport properties of Chitosan-Pectin membranes

Pasini Cabello. S.D.; Ochoa, N.A.; Takara, E.A.; Mollá, S.; Compañ Moreno, Vicente (Elsevier, 2017)

[EN] Novel blend membranes have been prepared from Chitosan (CH), Pectin (PEC) and their mixtures. The obtained samples were cross-linked and sulfonated before characterization. The results show that CH/PEC membranes display ...
Ionic Liquid Composite Polybenzimidazol Membranes for High Temperature PEMFC Applications

Escorihuela, Jorge; Garcia Bernabe, Abel; Montero Reguera, Álvaro Enrique; Sahuquillo, Oscar; Giménez Torres, Enrique; Compañ Moreno, Vicente (MDPI AG, 2019-04)

[EN] A series of proton exchange membranes based on polybenzimidazole (PBI) were prepared using the low cost ionic liquids (ILs) derived from 1-butyl-3-methylimidazolium (BMIM) bearing different anions as conductive fillers ...
Multifunctional luminescent and proton-conducting lanthanide carboxyphosphonate open-framework hybrids exhibiting crystalline-to-amorphous- to-crystalline transformations

Colodrero, Rosario M. P.; Papathanasiou, Konstantinos E.; Stavgianoudaki, Nikoleta; Olivera-Pastor, Pascual; Losilla, Enrique R.; Aranda, Miguel A. G.; Leon-Reina, Laura; Sanz, Jesús; Sobrados, Isabel; Choquesillo-Lazarte, Duane; García-Ruiz, Juan M.; Atienzar Corvillo, Pedro Enrique; Rey Garcia, Fernando; Demadis, Konstantinos D.; Cabeza, Aurelio (American Chemical Society, 2012-09-15)

[EN] The chemistry of metal phosphonates has been progressing fast with the addition of new materials that possess novel structural features and new properties, occasionally in a cooperative manner. In this paper, we report ...
PEMFC Performance of MEAS Based on Nafion and sPSEBS Hybrid Membranes

Fernandez-Carretero, Francisco J.; Suarez, Karina; Solorza, Omar; Riande, Evaristo; Compañ Moreno, Vicente (Journal of New Materials for Electrochemical Systems, 2010-07)

[EN] Hybrid membranes based on Nafion (R) 117 and sulfonated Calprene (R) H6120 containing partially sulfonated inorganic fillers such as silica, SBA-15 and sepiolite have been prepared and evaluated as polyelectrolytes ...
Phosphoric Acid Doped Polybenzimidazole (PBI)/Zeolitic Imidazolate Framework Composite Membranes with Signioficantly Enhanced Proton Conductivity under Low Humidity Conditions

Escorihuela Fuentes, Jorge; Sahuquillo, Oscar; Garcia Bernabe, Abel; Giménez Torres, Enrique; Compañ Moreno, Vicente (MDPI AG, 2018)

[EN] The preparation and characterization of composite polybenzimidazole (PBI) membranes containing zeolitic imidazolate framework 8 (ZIF-8) and zeolitic imidazolate framework 67 (ZIF-67) is reported. The phosphoric acid ...
Polyvinyl alcohol nanofiber reinforced Nafion membranes for fuel cell applications

Mollá Romano, Sergio; Compañ Moreno, Vicente (Elsevier, 2011-04-15)

This work has been focused on the preparation and characterization of composite membranes with thickness between 19 and 97 mu m and containing Nafion(R) infiltrated into a porous mat obtained by electrospinning of an aqueous ...
Proton Conductivity through Polybenzimidazole Composite Membranes Containing Silica Nanofiber Mats

Escorihuela, Jorge; Garcia Bernabe, Abel; Montero Reguera, Álvaro Enrique; Andrio, Andreu; Sahuquillo, Oscar; Giménez Torres, Enrique; Compañ Moreno, Vicente (MDPI AG, 2019-07)

[EN] The quest for sustainable and more efficient energy-converting devices has been the focus of researchers 0 efforts in the past decades. In this study, SiO2 nanofiber mats were fabricated through an electrospinning ...
Proton Exchange Membrane Fuel Cells

Ribes Greus, María Desamparados (Universitat Politècnica de València, 2010-05-13)

El objetivo es conocer las características básicas de las pilas basadas en membranas de intercambio protónico, sus componentes y su funcionamiento.
Proton Exchange Membrane Fuel Cells (PEMFCs): Advances and Challenges

Tellez-Cruz, Miriam M.; Escorihuela, Jorge; Solorza-Feria, Omar; Compañ Moreno, Vicente (MDPI AG, 2021-09)

[EN] The study of the electrochemical catalyst conversion of renewable electricity and carbon oxides into chemical fuels attracts a great deal of attention by different researchers. The main role of this process is in ...
Synthesis and characterization of organic agar-based membranes for microbial fuel cells

Hernández-Flores, Giovanni; Andrio, Andreu; Compañ Moreno, Vicente; Solorza-Feria, Omar; Poggi-Varaldo, Hector Mario (Elsevier, 2019-09-30)

[EN] The goal of this work was the synthesis and characterization of agar membranes for microbial fuel cells applications. Three sets of membranes were synthesized. For a first set of membranes (2, 4, 6, and 8 wt% agar ...