Listar por autor "Vílchez-Cózar, Álvaro"
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Cobalt phosphinates as precursors of cobalt phosphide electrocatalysts
Vílchez-Cózar, Álvaro; Cabeza-Diaz, Aurelio
; Bazaga-García, Montse; Visa, Aurelia; Ilia, Gheorghe; Olivera-Pastor, Pascual; P. Colodrero, Rosario M.[et al.] (2022-02-03)
The scarcity and high cost of Pt and Ru/Ir-based noble metal electrocatalysts forces to design alternative low-cost and efficient materials for sustainable energy storage and conversion technologies. Among them, ... -
Electrocatalytic properties of cobalt phosphides and pyrophosphates derived from phosphonate-based-MOFs
Perez-Colodrero, Rosario Mercedes; Cabeza-Diaz, Aurelio; Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Cañamero-Cebrián, F.; Olivera-Pastor, Pascual[et al.] (2022)
As a class of coordination polymers (CPs), metal phosphonates (MPs) are constructed by coordination bonds connecting metal sites and phosphonate (RPO32−) ligands, where the metal sites are dispersed uniformly at the atomic ... -
Electrocatalytic properties of metal hydroxy-phosphonoacetate derivatives for OER, ORR and HER
Perez-Colodrero, Rosario Mercedes; Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Olivera-Pastor, Pascual; López González, María del Mar; Cabeza-Diaz, Aurelio; Rio, Carmen del[et al.] (2021)
Although Pt and Ru/Ir-based noble metal materials are the state-of-the-art electrocatalysts for energy storage and conversion, their applications are still limited by their scarcity and high price. Therefore, the design ... -
Exploiting Multifunctionality of M2+ (M=Co2+, Ni2+) Phosphides for Electrocatalysis toward HER, OER and ORR
Perez-Colodrero, Rosario Mercedes; Bazaga-García, Montse; Vílchez-Cózar, Álvaro; Olivera-Pastor, Pascual; Cabeza-Diaz, Aurelio (2022-07)
INTRODUCTION The scarcity and high cost of Pt and Ru/Ir-based noble metal electrocatalysts forces to design alternative low-cost and efficient materials for sustainable energy storage and conversion technologies1. ... -
Exploiting the Multifunctionality of M2+/Imidazole−Etidronates for Proton Conductivity (Zn2+) and Electrocatalysis (Co2+, Ni2+) toward the HER, OER, and ORR
Vílchez-Cózar, Álvaro; Armakola, Eirini; Gjika, Maria; Visa, Aurelia; Bazaga-García, Montse; Olivera-Pastor, Pascual; Choquesillo-Lazarte, Duane; Marrero-López, David; Cabeza-Diaz, Aurelio; P. Colodrero, Rosario M.; Demadis, Konstantinos D.[et al.] (American Chemical Society, 2022-02-22)
This work deals with the synthesis and characterization of one-dimensional (1D) imidazole-containing etidronates, [M2(ETID)(Im)3]·nH2O (M = Co2+ and Ni2+; n = 0, 1, 3) and Zn2(ETID)2(H2O)2](Im)2, as well as the corresponding ... -
Imidazole-containing Co2+ and Ni2+ etidronates: crystal structures and electrochemical behaviour
Bazaga-García, Montse; Perez-Colodrero, Rosario Mercedes; Vílchez-Cózar, Álvaro; Armakola, Eirini; Gjika, M.; Visa, Aurelia; Choquesillo-Lazarte, Duane; Olivera-Pastor, Pascual; Cabeza-Diaz, Aurelio; Demadis, Konstantinos D.[et al.] (2021)
Metal phosphonates-based coordination polymers (CPs) are known to exhibit versatile structural diversity and functionality. Thus, they have been used, among other applications, as electrocatalyst precursors for both, PEMFCs ... -
Modification of the Textural Properties of Chitosan to Obtain Biochars for CO2-Capture Processes
Barroso Martín, Isabel; Cecilia-Buenestado, Juan Antonio; Vilarrasa García, Enrique; Ballesteros-Plata, Daniel; Jiménez Gómez, Carmen Pilar; Vílchez-Cózar, Álvaro; Infantes-Molina, Antonia; Rodriguez-Castellon, Enrique[et al.] (IOAP-MDPI, 2022-12-01)
Three chitosans with different morphologies have been used (commercial chitosan powder, chitosan in film form and chitosan in globular form synthesized by the freeze-dried method) for the synthesis of biochars. The pyrolytic ... -
New Multifunctional Zirconium(IV) Phosphonates Derivativesas Proton Conductors and Catalysts
Vílchez-Cózar, Álvaro; Olivera-Pastor, Pascual; Zareba, Jan K.; Bazaga-García, Montse; Perez-Colodrero, Rosario Mercedes; Cabeza-Diaz, Aurelio; Olivera-Pastor, Pascual; Zon, Jerzy; Cecilia-Buenestado, Juan Antonio[et al.] (2023)
Coordination polymers based in phosphonic acid display a wide range of metalcoordination modes. Moreover, the existence of acidic P-OH groups in their structure, as well as of others functionalized organic group such as ... -
Preparation and characterization of phosphorus-containing electrocatalyst for OER, HER and ORR.
Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Olivera-Pastor, Pascual; Cabeza-Diaz, Aurelio; Perez-Colodrero, Rosario Mercedes (2022-11)
Phosphorus-based materials, such as transition metal phosphides and phosphates/pyrophosphates, have drawn considerable attention as promising alternatives to noble metal-based catalysts (Pt, Ru, Ir) owing to their widely ... -
Preparation of N-doped Carbon/Metal Phosphides as Promising Trifunctional Electrocatalysts Toward the OER, ORR and HER
Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Marrero-López, David; Olivera-Pastor, Pascual; Demadis, Konstantinos D.; Cabeza-Diaz, Aurelio; Perez-Colodrero, Rosario Mercedes[et al.] (2022-07-27)
Sustainable energy storage and conversion technologies, such as electrochemical water splitting and fuel cells, attracts increasing attention as alternative processes to advance toward a global decarbonation. However, the ... -
Synthesis and Electrochemical properties of metal(II)- carboxyethylphenylphosphinates
Bazaga-García, Montse; Vílchez-Cózar, Álvaro; Maranescu, Bianca; Olivera-Pastor, Pascual; Marganovici, Marko; Ilia, Gheorghe; Cabeza-Diaz, Aurelio; Visa, Aurelia; Perez-Colodrero, Rosario Mercedes[et al.] (Royal Society of Chemistry, 2021)
We report herein the synthesis, structural characterization and electrocatalytic properties of three new coordination polymers, resulting from the combination of divalent metal (Ca2+, Cd2+ or Co2+) salts with (2-carboxy ... -
Synthesis, structural characterization and electrocatalytic properties of cobalt phosphides and pyrophosphates derived from glyphosine
Cañamero-Cebrián, F.; Vílchez-Cózar, Álvaro; Cabeza-Diaz, Aurelio; Perez-Colodrero, Rosario Mercedes; Bazaga-García, Montse; Olivera-Pastor, Pascual[et al.] (2023)
Metal phosphonates (MPs), a subclass of coordination polymers, result from the bonding of phosphonic acids (RPO32-) with metal ions, giving rise to an uniformly dispersion of the metal sites at the atomic scale. This ... -
Using transition metal tetraphosphonates as precursor of phosphorus-containing electrocatalysts
Sánchez Caballero, Abraham; Vílchez-Cózar, Álvaro; Bazaga-García, Montse; Olivera-Pastor, Pascual; Cabeza-Diaz, Aurelio; Perez-Colodrero, Rosario Mercedes[et al.] (2022-11)
Coordination polymers (CPs) are widely studied due to their applicability in many fields. Among them, metal phosphonates (MPs) are attractive materials due to their versatile structural diversity and functionality, with ...