A5072550919- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Advanced Sensor and Energy Harvesting Materials
- Advanced Battery Technologies Research
- Conducting polymers and applications
- Dielectric materials and actuators
- Extraction and Separation Processes
- Multiferroics and related materials
- Supercapacitor Materials and Fabrication
- Ferroelectric and Piezoelectric Materials
- Electrospun Nanofibers in Biomedical Applications
- Recycling and Waste Management Techniques
- Silk-based biomaterials and applications
- Transition Metal Oxide Nanomaterials
- Additive Manufacturing and 3D Printing Technologies
- Dielectric properties of ceramics
- Electromagnetic wave absorption materials
- Advanced battery technologies research
- Bone Tissue Engineering Materials
- Electric Vehicles and Infrastructure
- Thermal Expansion and Ionic Conductivity
- Energy, Environment, and Transportation Policies
- Ionic liquids properties and applications
- Tactile and Sensory Interactions
- biodegradable polymer synthesis and properties
University of Minho
2016-2025
Clinical Academic Center of Braga
2015-2021
Rede de Química e Tecnologia
2010-2016
Departamento de Ciência e Tecnologia
2015-2016
Université de Bourgogne
2016
Universidade do Porto
2010
The electroactive β-phase of poly(vinylidene fluoride) (PVDF) can be nucleated by introducing CoFe2O4 nanoparticles within the polymer matrix, leading to materials with large potential for sensor and actuator applications. effects nanoparticle electrostatic charge on phase crystallization PVDF is reported. For this purpose, were coated anionic (SDS), nonanionic (Triton X-100), cationic (CTAB) surfactants, obtained used as fillers. It found that piezoelectric β-form increases when higher...
Abstract For the proper design and evaluation of next‐generation lithium‐ion batteries, different physical‐chemical scales have to be considered. Taking into account electrochemical principles methods that govern processes occurring in battery, present review describes main theoretical thermal models allow simulation performance including materials components (electrodes separators) battery geometries. As separator plays an essential role safety recent work for this component are shown, with...
Magnetoelectric microspheres based on piezoelectric poly(vinylidene fluoride) (PVDF) and magnetostrictive CoFe<sub>2</sub>O<sub>4</sub> (CFO), a novel morphology for polymer-based ME materials, have been developed by an electrospray process.
Cellulose emerges as a promising sustainable alternative to traditional polyolefin-based lithium-ion battery (LIB) separators because of its good mechanical properties and inherent hydrophilic character. Therefore, in this work we fabricate high specific surface area mesoporous cellulose nanocrystal (MCNC) membranes with different pore morphology novel three-dimensional porous separators. N2 adsorption–desorption isotherms scanning electron microscopy (SEM) analyses reveal that are composed...
Poly(vinylidene fluoride) (PVDF) and MOF-808-based separators for lithium-ion batteries (LIBs) have been prepared fully characterized in terms of morphological thermal properties, electrolyte uptake, retention, surface hydrophilic characteristics. The effect PVDF/MOF-808 on the electrochemical performance LIBs has evaluated. membranes exhibit a well-defined porous structure with uniform distribution interconnected macro- to mesopores. inclusion Zr-based MOF nanoparticles increases porosity...
Lithium-ion batteries (LIBs) are the main energy storage system used in portable devices. Their outstanding characteristics allied to growing market of devices and electric vehicles provides an increasing trend over next years. During past decade, improved materials for LIBs have been developed, with less attention being focused on manufacturing process, despite its critical influence battery performance. In present work, electrode steps discussed together their morphology interface...
Poly(vinylidene fluoride) microparticles with diameters between 0.80 and 5.50 μm were produced. Cell viability shows their suitability for tissue engineering.
Magnetoelectric 0–1 composites comprising CoFe2O4 (CFO) nanoparticles in a polyvinylidene fluoride (PVDF) polymer-fibre matrix have been prepared by electrospinning. The average diameter of the electrospun composite fibres is ∼325 nm, independent nanoparticle content, and amount crystalline polar β phase strongly enhanced when compared to pure PVDF polymer fibres. piezoelectric response these electroactive nanofibres modified an applied magnetic field, thus evidencing magnetoelectric...
β-Poly(vinylidene fluoride) (PVDF) is of large technological relevance due to its piezoelectric, pyroelectric and/ferroelectric properties. In this way, a variety methods have been developed obtain such electroactive β-phase, being the addition fillers one most popular, upscalable and innovative methods. The electrostatic interaction between negative charged with CH2 groups having positive charge density has widely accepted mechanism for direct formation polar β-phase on nanocomposites....
The past decade has witnessed increased research effort on multiphase magnetoelectric (ME) composites. In this scope, paper presents the application of novel materials for development anisotropic sensors based δ-FeO(OH)/P(VDF-TrFE) composite is able to precisely determine amplitude and direction magnetic field. A new ME effect reported in study, as it emerges from rotation δ-FeO(OH) nanosheets inside piezoelectric P(VDF-TrFE) polymer matrix. composites with 1, 5, 10, 20 filler weight...
Battery separators based on silk fibroin (SF) have been prepared aiming at improving the environmental issues of lithium-ion batteries. SF materials with three different morphologies were produced: membrane films (SF-F), sponges by lyophilization (SF-L), and electrospun membranes (SF-E). The latter presented a suitable porous three-dimensional microstructure soaked 1 M LiPF6 electrolyte. ionic conductivities for SF-L SF-E 1.00 0.32 mS cm-1 20 °C, respectively. A correlation between fraction...
The application of microporous structures as active fillers for solid polymer electrolytes (SPEs) affects battery performance and this review presents the state art materials (MOFs zeolites) SPE in solid-state batteries.
Environmental issues related to energy consumption are mainly associated with the strong dependence on fossil fuels. To solve these issues, renewable sources systems have been developed as well advanced storage systems. Batteries main system mobility, and they applied in devices such laptops, cell phones, electric vehicles. Lithium-ion batteries (LIBs) most used battery based their high specific capacity, long cycle life, no memory effects. This rapidly evolving field urges for a systematic...
The use of metal–organic frameworks in the separator membrane lithium-ion batteries is an interesting subject study for next generation energy storage devices. In this work, different poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) / framework (MOF) based separators were prepared using three distinct MOFs, and properties these membranes studied. selected MOFs MOF-808, UiO-66-NH2 MIL-125 are characterized by sharing a common building block (cluster or linker) possessing relatively...
The growing demand for energy storage devices calls the development of more efficient and sustainable systems. As current lithium-ion batteries present several safety issues, as well environmental hazards, some alternatives need to be taken into consideration. area organic materials based is gaining interest they allow replacing currently used metals, with significant impact at levels extractions processing, by redox-active materials, that are recyclable environmentally friendly. In this...