Results 1 to 10 of about 743 (182)

Metaquímicas del litio

open access: yesEstudios Atacameños
En un planeta en calentamiento, el uso de baterías de iones de litio para almacenar energía eléctrica está en auge: los salares andinos son testigos de un número creciente de proyectos de extracción de litio, mientras que en laboratorios de química de ...
Martina Gamba, Cristobal Bonelli
doaj   +5 more sources

El litio en Argentina

open access: yesCiencia, Tecnología y Política, 2022
Las importantes reservas de litio y el auge de inversiones destinadas a proyectos extractivos de los últimos años ubicaron a la Argentina entre los principales exportadores de carbonato de litio.
Agustín Barberón
doaj   +2 more sources

A CP-based approach for mining sequential patterns with quantities

open access: yesInteligencia Artificial, 2023
This paper addresses the problem of mining sequential patterns (SPM) from data represented as a set of sequences. In this work, we are interested in sequences of items in which each item is associated with its quantity.
Amina Kemmar   +2 more
doaj   +1 more source

Sol–Gel Synthesis of LiTiO2 and LiBO2 and Their CO2 Capture Properties

open access: yesAtmosphere, 2022
LiTiO2 was prepared from tetraethoxy titanium and lithium ethoxide by a sol–gel process and then treated at 773 K and 973 K under oxygen atmosphere, respectively.
Liang Li, Haidi Yu, Yuqi Chen
doaj   +1 more source

Metal Carbide Additives in Graphite‐Silicon Composites for Lithium‐Ion Batteries

open access: yesChemElectroChem, Volume 10, Issue 21, November 2, 2023., 2023
Graphite‐silicon composites for batteries: Molybdenum and Chromium Carbides are used as additives to stabilize graphite/silicon composites. Spark plasma sintering technology is used to sinter the electrode powders. The presence of molybdenum or chromium carbides promotes the performance of C/Si electrodes in lithium cells, improving the cycling ...
Juan Piñuela‐Noval   +8 more
wiley   +1 more source

Intoxicação por Lítio após Cirurgia Bariátrica: Um Caso Clínico

open access: yesActa Médica Portuguesa, 2021
A cirurgia bariátrica é uma opção terapêutica no tratamento da obesidade em doentes, selecionados cuidadosamente, com perturbação psiquiátrica. Cerca de metade dos doentes referenciados para cirurgia bariátrica têm diagnosticada, pelo menos, uma ...
André Ribeirinho Marques   +3 more
doaj   +1 more source

Negotiated Agreements, Indigenous Peoples and Extractive Industry in the Salar de Atacama, Chile: When Is an Agreement More than a Contract?

open access: yesDevelopment and Change, Volume 54, Issue 3, Page 641-670, May 2023., 2023
ABSTRACT While acknowledging advances in legal recognition of Indigenous rights, much of the research literature positions negotiated agreements between Indigenous peoples and corporations simply as ‘neoliberal technology’ that gives the appearance of Indigenous consent while allowing exploitation to continue.
Ciaran O'Faircheallaigh, Sally Babidge
wiley   +1 more source

Geopolitics of the Li‐ion battery value chain and the Lithium Triangle in South America

open access: yesLatin American Policy, Volume 14, Issue 1, Page 22-45, March 2023., 2023
Abstract Climate change and the low‐carbon transition are drastically changing the energy paradigm. A critical aspect is the burgeoning demand for lithium‐ion batteries and the massive amount of minerals and metals that will be required to create them.
Maria Daniela Sanchez‐Lopez
wiley   +1 more source

The electric vehicle revolution: Critical material supply chains, trade and development

open access: yesThe World Economy, Volume 46, Issue 1, Page 2-26, January 2023., 2023
Abstract The emergence of a mass market for electric vehicles (EVs) offers development opportunities for countries that have abundant resources of cobalt, nickel, lithium, copper, aluminium and manganese. Not surprisingly, developing countries have proposed ambitious plans to expand production of these raw materials.
Benjamin Jones   +2 more
wiley   +1 more source

On the Savéant's Concerted/Stepwise Model. The Electroreduction of Halogenated Naphthalene Derivatives as a Case Study

open access: yesChemElectroChem, Volume 8, Issue 22, Page 4337-4344, November 12, 2021., 2021
The electroreduction of 1‐Br‐2‐naphthol is shown to be a not‐additive process with respect to the results obtained with two structurally related chiral [1,1′‐Binaphthalene]‐2,2′‐diol, 6,6′‐dibromo and 1,1′‐Binaphthalene,6,6′‐dibromo‐2,2′‐dimethoxy compounds.
Andrea Stefani   +7 more
wiley   +1 more source

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