Results 1 to 10 of about 7,453 (167)

La ciudad de las telas en los albores de la modernidad. Breve esbozo del crecimiento del sector textil en Medellín durante la segunda mitad del siglo XX

open access: yesRevista Ciencias y Humanidades, 2021
En el siguiente artículo se realizará un breve esbozo sobre la consolidación del sector textil en la ciudad de Medellín en la segunda mitad del siglo XX. El prin-cipal objeto de estudio es la moda y se parte de la idea de que la moda es una manifestación
Laura Carbonó López
doaj   +3 more sources

Role of Crystalline Si and SiC Species in the Performance of Reduced Hybrid C/Si Gels as Anodes for Lithium-Ion Batteries

open access: yesNanomaterials, 2023
In recent years, the research on lithium-ion batteries (LIBs) to improve their lifetime, efficiency and energy density has led to the use of silicon-based materials as a promising anode alternative to graphite. Specifically, crystalline silicon (cSi) and
Samantha L. Flores-López   +5 more
doaj   +1 more source

Influence of the Oxygen Surface Functionalities Introduced by Electrochemical Treatment on the Behavior of Graphite Felts as Electrodes in VRFBs

open access: yesBatteries, 2022
Graphite felts act as electrodes in VRFBs thanks to their properties such as chemical strength and electrical conductivity or 3D-structure. However, there are significant drawbacks to be overcome, such as their low wettability, sluggish kinetic ...
Laura García-Alcalde   +5 more
doaj   +1 more source

Role of Conductivity in the Ecotoxicological Effects of Lyophilized Graphene Oxides on Lactuca sativa and Allium cepa [PDF]

open access: yesACS Omega
Wilfredo Rondan Huaman   +8 more
doaj   +2 more sources

Optimizing the Performance of a Graphitized Carbon Xerogel as Cathode for Sodium Dual‐Ion Batteries

open access: yesChemElectroChem, 2023
The objective of this study is to optimize the performance of a graphitized carbon xerogel doped with graphene oxide (GXGO) as cathode for sodium dual‐ion batteries.
Dr. Ignacio Caméan   +6 more
doaj   +1 more source

Datação por carbono-14

open access: yesRevista De Ciência Elementar, 2015
Daniel Ribeiro
exaly   +2 more sources

Evaluation of synergy during co-pyrolysis of torrefied sawdust, coal and paraffin. A kinetic and thermodynamic dataset

open access: yesData in Brief, 2021
This article aims to clarify and expand the information published in the article Evaluation of synergy during co-pyrolysis of torrefied sawdust, coal and paraffin.
L. Florentino-Madiedo   +3 more
doaj   +1 more source

Graphitic biogas-derived nanofibers as cathodes for sodium dual-ion batteries: Intercalation of PF6− anions

open access: yesElectrochemistry Communications, 2021
The electrochemical intercalation of PF6− anions into graphitic nanomaterials of renewable origin with different degrees of structural order to be subsequently used as cathodes for sodium dual-ion batteries is herein investigated for the first time ...
Ignacio Cameán   +3 more
doaj   +1 more source

Analysis of ENSO influence on the solar and wind potential of the department of La Guajira

open access: yesInternational Journal of Sustainable Energy, 2023
This study explores how solar radiation and wind speed in La Guajira vary in response to El Niño/Southern Oscillation (ENSO) events. Climatic data were collected and analysed at three iconic locations: Upper Guajira, Middle Guajira, and Lower Guajira ...
Jhon Ditta   +2 more
doaj   +1 more source

Customised Microporous Carbon 3D Structures with Good Mechanical Properties and High Nitrogen Content Obtained from Whey Powders

open access: yesC, 2023
Novel customised carbon monoliths with a high specific surface area were synthesised by carbonisation plus activation of dehydrated whey powders, a biomass byproduct of the dairy industry.
Raúl Llamas-Unzueta   +3 more
doaj   +1 more source

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