- Advancements in Battery Materials
- Graphene research and applications
- Ionosphere and magnetosphere dynamics
- Earthquake Detection and Analysis
- Carbon Nanotubes in Composites
- Air Quality and Health Impacts
- Advanced Battery Technologies Research
- Catalytic Processes in Materials Science
- Extraction and Separation Processes
- Advanced Battery Materials and Technologies
- Coal and Its By-products
- Supercapacitor Materials and Fabrication
- Thermochemical Biomass Conversion Processes
- Aluminum Alloys Composites Properties
- Recycling and utilization of industrial and municipal waste in materials production
- Coagulation and Flocculation Studies
- Diamond and Carbon-based Materials Research
- Seismic Waves and Analysis
- Electrohydrodynamics and Fluid Dynamics
- Nanoparticles: synthesis and applications
- Advanced ceramic materials synthesis
- Geomagnetism and Paleomagnetism Studies
- Catalysis for Biomass Conversion
- Magnesium Oxide Properties and Applications
- Graphene and Nanomaterials Applications
University of Eastern Finland
2013-2024
Finland University
2010-2014
University of Leicester
2003-2010
Abstract Natural graphite is currently considered as a critical raw material in EU. The demand for still increasing it commonly used the anodes of Li-ion batteries (LIBs). total content energy storage applications such LIBs should be more than 99.95%. Several purification processes natural exist but requirement high purity challenging. Here we present temperature thermal treatment ores. Thermal at 2400 °C 15 min can produce battery-grade with and crystallinity needed optimum performance...
Abstract. The Super Dual Auroral Radar Network (SuperDARN) network of HF coherent backscatter radars form a unique global diagnostic large-scale ionospheric and magnetospheric dynamics in the Northern Southern Hemispheres. Currently ground projections radar returns are routinely determined by simple rangefinding algorithm, which takes no account prevailing, or indeed average, propagation conditions. This is spite fact that both direct E- F-region 1½-hop commonly used geophysical...
Multiple studies show that particulate mass (PM) generated from incomplete wood combustion may induce adverse health issues in humans. Previous findings have shown also the PM efficient enhanced production of reactive oxygen species (ROS), inflammation, and cytotoxicity vitro vivo. Underlying factors these effects be traced back to volatile inorganic transition metals, especially zinc, which can enriched ultrafine fraction biomass emission. In this study, nanoparticles composed potassium,...
Defect spinel phase lithium titanate (Li 4 Ti 5 O 12 ) has been suggested as a promising negative electrode material for next generation ion batteries. However, it suffers from low electrical conductivity. To overcome this problem conduction path length can be reduced by decreasing the primary particle size. Alternatively bulk conductivity of Li increased doping with conductive additive. In paper steady, single-step gas-phase technique synthesis that combines both approaches is described....
Layered lithium-nickel-manganese-cobalt oxide (NMC) cathode materials are widely used in Li-ion batteries that require high energy densities, such as those plug-in hybrid electric vehicles (PHEVs) and (EVs). Here we studied the synthesis of NMC622 particles by spray pyrolysis, which is a simple one-step process for production spherical particles. However, synthesising NMC powder using pyrolysis has tendency to produce hollow To gain insight into mechanism behind formation particles, one...
Silicon, a material with high theoretical energy density, holds great promise as candidate for anodes in lithium-ion batteries. However, due to an alloying mechanism the undergoes volume expansion of up 300%, which results rapid capacity fading. The coating silicon carbon is done by using biomass-based precursor. effects annealing temperature on morphology silicon-carbon structures presented herein. mechanically and chemically treated barley straw mixed particles induction annealed argon...
This study presents an oxalic acid-assisted method for synthesizing spinel-structured lithium titanate (Li
Particle size of carbon dots (CDs) below 10 nm exhibits distinct features compared to larger particles. The dependent CDs significantly contribute their overall morphology, composition, and optical properties. Previously, theoretical models have predicted the synthesis flame formed which potentially demonstrate quantum confinement effect; however experimental studies are rare in this context. Especially, aerosol not been explored yet. This study demonstrates through spray pyrolysis (FSP);...