Listar por autoría "5a38b472-5132-4bdb-ba42-b691c48dddc0"
Mostrando ítems 1-20 de 21
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A high-capacity Li[Ni0.8Co0.06Mn0.14]O2 positive electrode with a dual concentration gradient for next-generation lithium-ion batteries
Park, Kang-Joon; Lim, Byung-Beom; Choi, Moon-Ho; Jung, Hun-Gi; Sun, Yang-Kook; Haro, Marta; Vicente-Agut, Nuria; Bisquert, Juan; Garcia-Belmonte, Germà Royal Society of Chemistry (2015-09)To increase the reversible capacity of layered lithium nickel-cobalt-manganese oxide, a Li[Ni0.8Co0.06Mn0.14]O2 positive electrode with a two-sloped full concentration gradient (TSFCG) was successfully synthesized via ... -
Caracterización electroquímica de materiales carbonosos para supercondensadores y baterías de ión litio
Vicente-Agut, Nuria Universitat Jaume I (2014-06-09)En este trabajo se ha caracterizado electroquímicamente, mediante las técnicas de voltametría cíclica y espectroscopia electroquímica de impedancia diferentes materiales carbonosos, con el fin de profundizar en los ... -
Equivalent circuit definition and calendar aging analysis of commercial Li(NixMnyCoz)O2/graphite pouch cells
Beltran, Hector; Ayuso Olmeda, Pablo; Vicente-Agut, Nuria; Beltrán-Pitarch, Braulio; García-Cañadas, Jorge; Pérez, Emilio Elsevier (2022-05-06)Aging-induced degradation of commercial Li-ion pouch cells with lithium nickel-manganese‑cobalt-oxide-based cathodes and graphite anodes is studied at various operating conditions (temperature and voltage) by galvanostatic ... -
In operando characterization of the ionic conductivity dependence on liquid transient phase and microstructure of cold-sintered Bi2O3-doped Li1.3Al0.3Ti1.7(PO4)3 solid-state electrolyte
Mormeneo-Segarra, Andrés; Ferrer Nicomedes, Sergio; Vicente-Agut, Nuria; Barba-Juan, Antonio Elsevier (2023-08-31)A disruptive sintering technique, Cold Sintering Process (CSP), has been used to produce cold-sintered samples of Bi2O3-doped Li1.3Al0.3Ti1.7(PO4)3 (LATP) as solid-state electrolyte (SSE). An in operando impedance study ... -
In-situ impedance spectrospocy to dentify mechanisms in cold sintering process of Li1,3Al0,3Ti1,7(PO4)3 (LATP) solid electrolyte
Vicente-Agut, Nuria; Mormeneo-Segarra, Andrés; Ferrer Nicomedes, Sergio; Barba-Juan, Antonio Universitat Jaume I (2023-09)En 2021, sólo el 30 % de energía consumida mundialmente procedía de fuentes renovables. El almacenamiento de energía permitiría compensar la intermitencia a la que está sujeta la generación de energía limpia y, por tanto, ... -
Influence of microstructure and magnetizing mechanisms on magnetic complex permeability (imaginary part) of a Cu-doped Ni-Zn polycrystalline ferrite
Barba-Juan, Antonio; Vicente-Agut, Nuria; Mormeneo-Segarra, Andrés; Clausell-Terol, Carolina Elsevier (2021)The complex permeability of the Cu-doped Ni–Zn polycrystalline ferrites is strongly dependent on microstructure, particularly on relative density (ϕ) and average grain size (G), as it has been shown in a previous ... -
Introducing an ionic conductive matrix to the cold-sintered Li1.3Al0.3Ti1.7(PO4)3-based composite solid electrolyte to enhance the electrical properties
Ferrer Nicomedes, Sergio; Mormeneo-Segarra, Andrés; Vicente-Agut, Nuria; Barba-Juan, Antonio Elsevier (2023-08-09)In the present work, a Polymer-In-Ceramics (PIC) solid electrolyte based on Li1.3Al0.3Ti1.7(PO4)3 (LATP) and PEOn-LiTFSI (poly(ethylene oxide) - lithium bis(trifluoromethanesulfonyl)imide) is obtained via Cold Sintering ... -
LiFePO4 particle conductive composite strategies for improving cathode rate capability
Vicente-Agut, Nuria; Haro, Marta; Cíntora Juárez, Daniel; Pérez Vicente, Carlos; Tirado, José Luis; Ahmad, Shahzada; Garcia-Belmonte, Germà Elsevier (2015-05)Lithium iron phosphate (LFP) cathodes are one of the most promising candidates to find application in hybrid electric vehicle energy storage system. For this reason advances in the performance of its theoretical capacity ... -
Mejora de las propiedades eléctricas del electrolito sólido híbrido basado en LATP/PEO2LITFSI
Ferrer Nicomedes, Sergio; Mormeneo-Segarra, Andrés; Vicente-Agut, Nuria; Barba-Juan, Antonio Universitat Jaume I (2023-09)Tradicionalmente las baterías de iones de litio (LIB) han demostrado una alta densidad energética y una buena ciclabilidad, aunque recientemente han surgido algunas dudas relacionadas con su seguridad, ya que el electrolito ... -
Methylammonium Lead Bromide Perovskite Battery Anodes Reversibly Host High Li-Ion Concentrations
Vicente-Agut, Nuria; Garcia-Belmonte, Germà American Chemical Society (2017-04)Ions migrate through the hybrid halide perovskite lattice, allowing for a variety of electrochemical applications as perovskite-based electrodes for batteries. It is still unknown how extrinsic defects such as lithium ions ... -
Microstructure-dependent magnetic permeability in ferrites from nanoparticles
Barba-Juan, Antonio; Vicente-Agut, Nuria; Mormeneo-Segarra, Andrés; Clausell-Terol, Carolina Elsevier (2023-04-03)Ferrite samples of composition Cu0.12Ni0.23Zn0.65(Fe2O4) have been prepared by a conventional ceramic process using different sintering temperatures and dwell times. The average particle size is around 25–30 nm and, after ... -
New approaches to the lithiation kinetics in reaction-limited battery electrodes through electrochemical impedance spectroscopy
Vicente-Agut, Nuria; Haro, Marta; Garcia-Belmonte, Germà (2018)Electrochemical impedance spectroscopy is a widely employed technique probing kinetic limitations in the charging of battery electrodes. Hindrance mechanisms locate at the interfaces between the active material and the ... -
New model to tune the dielectric properties of dense and half-dense sintered polycrystalline cu-doped Ni–Zn ferrite
Vicente-Agut, Nuria; Mormeneo-Segarra, Andrés; Clausell-Terol, Carolina; Barba-Juan, Antonio Elsevier (2021-11-30)Sintered polycrystalline Cu-doped Ni–Zn ferrite specimens have been successfully prepared by a conventional ceramic method using different pressure-temperature-time cycles. The studied samples, with an average grain size ... -
Organohalide Perovskites are Fast Ionic Conductors
Vicente-Agut, Nuria; Garcia-Belmonte, Germà Wiley (2017-10-11)Fast ionic conductors constitute a family of materials exhibiting high values of the ionic conductivity while their crystal structure remains rather rigid. Perovskite-like compounds are known to be good ionic conductors ... -
Oxygen Reduction Reaction Promotes Li+ Desorption from Cathode Surface in Li-O2 Batteries
Haro, Marta; Vicente-Agut, Nuria; Garcia-Belmonte, Germà Wiley (2015-11-09)Li-O2 batteries are claimed to be one of the future energy storage technologies. Great number of scientific and technological challenges should be solved first to transform Li-O2 battery from a promise to real practical ... -
Partial coverage methylammonium lead bromide films for solar cell application
Mhamdi, Asya; Vicente-Agut, Nuria; Bouazizi, Abdelaziz; Garcia-Belmonte, Germà Elsevier (2019-11-30)Hybrid perovskite compounds as methylammonium lead halides are currently been investigated for different optoelectronic applications. CH3NH3PbBr3 is a promising member because of its electronic structure and large bandgap ... -
Preparación de electrolitos sólidos de X-BI203: (1-X)LI1.3AL0.3T1.7(PO4)3 por sinterización en frío
Mormeneo-Segarra, Andrés; Ferrer Nicomedes, Sergio; Vicente-Agut, Nuria; Barba-Juan, Antonio Universitat Jaume I (2023-09)Actualmente el mundo afronta graves problemas energéticos derivados de la escasez de recursos así como del elevado impacto ambiental que presentan los combustibles fósiles. Como alternativa, el uso de energías renovables ... -
Probing the 3‐step Lithium Storage Mechanism in CH3NH3PbBr3 Perovskite Electrode by Operando‐XRD Analysis
Vicente-Agut, Nuria; Bresser, Dominic; Passerini, Stefano; Garcia-Belmonte, Germà Wiley (2019-01-19)Organic‐inorganic hybrid materials have gradually become one of the most actively studied research fields due to their fascinating properties. The reaction between lithium and organic‐inorganic halide perovskite has just ... -
Problemas resueltos de Ingeniería Química
Sanz-Solana, Vicente; Vicente-Agut, Nuria Publicacions de la Universitat Jaume I (2023) -
The role of the LATP particle size as a cornerstone of the cold sintering process
Mormeneo-Segarra, Andrés; Ferrer Nicomedes, Sergio; Vicente-Agut, Nuria; Barba-Juan, Antonio Elsevier (2024-02-13)An innovative sintering technique, the Cold Sintering Process (CSP), has been employed to obtain dense Li1.3Al0.3Ti1.7(PO4)3 (LATP) Solid-State Electrolytes (SSE) by optimising the particle size (d50) of the starting powder. ...