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Development and characterization of supercapacitor and lithium-ion batteries with new two-dimensional materials: Nb-MXenes

Grant number: 23/14091-0
Support Opportunities:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): June 28, 2024
Effective date (End): December 27, 2024
Field of knowledge:Engineering - Aerospace Engineering
Principal Investigator:Emerson Sarmento Gonçalves
Grantee:Meriene Gandara
Supervisor: Biljana Sljukic Paunkovic
Host Institution: Pró-Reitoria de Pós-Graduação e Pesquisa. Instituto Tecnológico de Aeronáutica (ITA). Ministério da Defesa (Brasil). São José dos Campos , SP, Brazil
Research place: University of Belgrade, Serbia  
Associated to the scholarship:22/02347-7 - New technologies for supercapacitors and lithium-ion batteries from rare earth-doped MXenes, BP.DR

Abstract

In order to support electroportable technology systems and electrified mobility for long periods of time, it is necessary to develop energy sources of high-power and high electrical charge storage capacity. Electrochemical energy conversion and storage devices are potential alternatives to meet this demand, prioritizing eco-friendliness, sustainability with reduction or zero carbon emissions. The vehicle electrification process is irreversible. Indeed, the market for energy storage devices that will power these vehicles has increased almost 20 times the production of lithium-ion batteries in recent years. The growth of the lithium-ion battery market promotes the research and development of materials with high energy storage capabilities. New 2D materials have recently emerged: MXenes, dual ceramic and metallic materials, with high mechanical and chemical stability, in addition to high conductivity and high energy storage capacity. They are compounds obtained from transition metals with carbon or nitrogen and surface elements (O, OH, F), capable of facilitating the transport of small ions in their structure. In order to produce an energy device with high electrochemical performance material for future application in small appliances and vehicular electrification process, this project proposal aims in partnership with the University of Belgrade, the fundamental electrochemical study followed by assembly and testing of supercapacitors and batteries with Nb-MXenes.

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