A5028874255- Advanced Photocatalysis Techniques
- TiO2 Photocatalysis and Solar Cells
- Advanced battery technologies research
- Advanced oxidation water treatment
- Advanced Battery Technologies Research
- Chemical Thermodynamics and Molecular Structure
- Catalytic Processes in Materials Science
- Electrocatalysts for Energy Conversion
- Solar-Powered Water Purification Methods
- Supercapacitor Materials and Fabrication
- Thermal and Kinetic Analysis
- thermodynamics and calorimetric analyses
- Microbial Fuel Cells and Bioremediation
- Atmospheric chemistry and aerosols
- Advanced Nanomaterials in Catalysis
- Energy and Environment Impacts
- Animal health and immunology
- Fuel Cells and Related Materials
- Anaerobic Digestion and Biogas Production
- Air Quality Monitoring and Forecasting
- Vector-Borne Animal Diseases
- Transition Metal Oxide Nanomaterials
- Air Quality and Health Impacts
- Hybrid Renewable Energy Systems
- Free Radicals and Antioxidants
Universidade do Porto
2010-2021
Universidade Federal da Paraíba
2018
Battery storage technologies have been showing great potential to address the vulnerability of renewable electricity generation systems. Among various options, vanadium redox flow batteries are one most promising in energy market. In this work, a life cycle assessment 5 kW battery is performed on cradle-to-gate approach with focus electrolytes, since they determine battery's capacity and can be readjusted reused indefinitely. The functional unit 1 kWh stored by battery. initial results show...
Flow batteries exhibit relatively low power density owing to ohmic and concentration overpotentials, which leads higher system costs. In this work, a phenomenological model of vanadium redox flow battery (VRFB) equipped with an anion exchange membrane (AEM) was developed validated. The is used assess the overpotential during charge-discharge cycling at different operating conditions method determine mass transfer coefficient presented. Also, strategy reduce proposed. simulated curve displays...
A simple in-situ method for the quantification of crossover in redox flow batteries, adapted from an electrochemical currently used quantifying hydrogen fuel cells, is proposed and characterizing a vanadium battery. linear sweep voltammetry (LSV) scan performed with pertinent species one side cell, while other supporting electrolyte. The LSV plot should display plateau where current limited by selected species. results were compared external analytical using MP-AES, showing very good...
Abstract The solar redox flow cell (SRFC) is an emerging technology that uses semiconductors to photocharge pairs, storing energy in electrochemical fuels and heat. Despite being its infancy, significant efforts have been made the development of high‐efficient materials understanding fundamental processes. However, little attention has given device architecture scalability, which may prove equally important bringing this closer commercialization. This work first attempt at upscaling SRFCs,...
Abstract The present work reports the first experimental thermochemical study of mono‐ N ‐oxides derived from quinoxaline, namely, 3‐methoxycarbonyl‐2‐methyl‐quinoxaline ‐oxide and 3‐ethoxycarbonyl‐2‐methyl‐quinoxaline ‐oxide. values enthalpies formation, in condensed state, sublimation, static bomb calorimetry Calvet microcalorimetry measurements, respectively, are combined to derive standard molar formation gaseous phase for these two compounds. From latter values, second NO bond...
RESUMO: O presente trabalho teve por objetivo avaliar a influência do tipo de parto sobre transferência imunidade passiva e alguns constituintes séricos cordeiros recém-nascidos, alimentados naturalmente com colostro materno, criados no semiárido paraibano em sistema extensivo. Foram utilizados 34 clinicamente sadios, da raça Santa Inês, os quais foram identificados pesados imediatamente após o nascimento separados dois grupos experimentais 17 animais cada. grupo PS (nove machos oito fêmeas)...
Tetrachloroethylene (PCE) is a volatile chlorinated compound persistently present in indoor air of several industrial closed facilities. Due to its environmental and human health impact, efforts have been directed the last decades towards degradation this kind pollutants. Photooxidation PCE study was conducted an annular photoreactor under simulated solar radiation employing plastic structure coated with TiO2-based paint. The influence coat thickness, configuration, feed flow rate...
Tuning of operational conditions and by using pre-treatment electrodes can lead to the increase in performance Vanadium redox flow cell (VRFC) as evident through our published article [1]. This work reports tuning a VRFC having impregnated graphite bipolar plate with interdigitated flow-field compared conventional flow-field. The schematic is shown figure 1. as-received Fumatech FAP-450 anion exchange membrane (AEMs) were used without any treatment. All membranes cleaned 1M H 2 SO 4 solution...