A5022728156- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Graphene research and applications
- Advanced Battery Technologies Research
- Thermal Expansion and Ionic Conductivity
- Ferroelectric and Piezoelectric Materials
- High-Temperature Coating Behaviors
- Copper-based nanomaterials and applications
- TiO2 Photocatalysis and Solar Cells
- Semiconductor materials and interfaces
- High Entropy Alloys Studies
- Advanced Condensed Matter Physics
- Transition Metal Oxide Nanomaterials
- Extraction and Separation Processes
- Advanced battery technologies research
- Advanced Nanomaterials in Catalysis
- Advanced materials and composites
- Advanced Photocatalysis Techniques
- Supercapacitor Materials and Fabrication
- Microwave Dielectric Ceramics Synthesis
- Magnesium Oxide Properties and Applications
Swansea University
2016-2024
Faradion (United Kingdom)
2021
European Synchrotron Radiation Facility
2016
The thinking behind Faradion's historical and current commercial Na-ion technology the importance of some crucial experimental factors in battery research are discussed.
A 12.5 at% replacement of Sb with Bi in Sb<sub>2</sub>Te<sub>3</sub>leads to a Na-ion battery anode material enhanced resistance mechanical degradation when used as micron-sized powder and not nanostructured carbon composite.
Sodium-ion batteries represent a drop-in technology and more sustainable alternative to lithium-ion batteries, but higher energies power levels are required meet the demands for greener electrification. Here, design of an anode-free sodium-ion battery is presented, performance discussed in terms reduced mass high capabilities. The cell consists iron hexacyanoferrate–reduced graphene oxide composite as cathode material, synthesis which tailored achieve minimal structural defects (3%) water...
A scalable solvothermal technique is reported for the synthesis of a photocatalytic composite material consisting orthorhombic Ta3N5 nanoparticles and WOx≤3 nanowires. Through X-ray diffraction photoelectron spectroscopy, as-grown tungsten(VI) sub-oxide was identified as monoclinic W18O49. The catalysed degradation Rhodamine B at over double rate alone under illumination by white light, continued to exhibit superior catalytic properties following recycling catalysts. Moreover, strong...
Two different high-pressure and -temperature synthetic routes have been used to produce only the second-known pentavalent CaIrO3-type oxide. Postperovskite NaOsO3 has prepared from GdFeO3-type perovskite at 16 GPa 1135 K. Furthermore, it also synthesized considerably lower pressure of 6 1100 K a precursor hexavalent Na2OsO4 nominally KSbO3-like phases. The latter pathway offers new lower-pressure route postperovskite form, one that completely foregoes any or intermediate. This work suggests...
This work investigates the energy storage mechanism responsible for high capacity and stability of reduced graphene oxide cathodes sodium-ion batteries.
Abstract Hot pressing of 1:2 molar mixtures Na 2 O and OsO below above 800 °C (Pt capsules in multianvil press, 4 GPa, 1 h) result a sample S1 (<800 °C) which consists mixed‐valence mixture KSbO 3 ‐like NaOsO hexagonal another S2 contains single crystals perovskite , minor (5%) Os metal.
The major advantage of sodium-ion batteries (SIBs) over lithium-ion is the lower cost materials (Na vs Li and Al current collector replacing Cu); while biggest drawback energy density (due to larger ionic radius redox potential Na + ). Considering most common grid-scale storage Li-ion system: LiFePO 4 – Graphite (120 Wh/kg), simple replacement Cu with Al, respectively, would results in only about 15% reduction. This means that Na-ion need have higher than 102 Wh/kg order be competitive LFP...
The booming development of electric vehicles (EVs) raised concerns about sustainability Li-ion batteries (LIBs). Some their constituents, such as Li and Co, are scarce highly localised resources. Furthermore, LIB’s building materials difficult to recycle raising questions on the technology. These issues inspired research chemistries based more abundant elements, i.e. Na, Mg or Ca. Among them most promising sodium-ion (SIBs), which currently heavily researched a viable sustainable alternative...