FEI STU · Batterylab
Our Research
We transform deep understanding of energy materials, aging, sensing, and modeling into advanced energy storage solutions for batteries, supercapacitors, and hydrogen systems. Six research areas — one interdisciplinary team — deep scientific expertise
6
Research Areas
12+
Active projects
10
Research partners
Battery Technologies
Battery Technologies & Energy Storage Systems
We cover the full innovation chain from advanced materials through to diagnostics, modelling, and degradation-informed control. Our work combines comprehensive electrochemical characterisation with cycle-life studies, structural analysis, and equivalent-circuit modelling to understand, predict, and extend battery lifetime across a wide range of operating conditions.
Research Topics
- Electrochemical characterisation & aging analysis
- Li-ion, solid-state & zinc-ion battery research
- Degradation mechanisms & reliability analysis
- Fast-charging strategies & lifetime optimisation
- Thermal management design & simulation
- Second-life applications & regeneration strategies
- AI & machine learning for battery technologies
- Prototype development & validation
Projects
ENSAMAT
Advanced Safety-Enhanced Materials for Li-ion Batteries
Slovak RRP
ZERO (APVV-22-0132)
National APVV / VEGA
APVV-24-0321
Advanced Real-Time Monitoring of Solid-State Batteries for Performance Enhancement
National APVV / VEGA
APVV-20-0111
Advanced Long-Life Lithium Batteries
National APVV / VEGA
MoS₂-ZIBNext
MoS₂-based Zinc-Ion Battery Technologies
EU (MSCA Postdoctoral Fellowship)
BATSYS
Intelligent battery systems
Internal STU
Supercapacitors
Supercapacitors & Hybrid Energy Storage
We develop hybrid energy storage based on advanced 2D materials, covering electrode preparation through prototype assembly to full electrochemical performance evaluation. Our focus spans material synthesis, structural characterisation, and loss mechanism analysis, with an emphasis on structure–property–performance correlation for optimising energy density and cycle stability.
Research Topics
- 2D TMD materials, oxides, sulfides & carbon hybrids
- Electrode fabrication on solid & flexible substrates
- Electrochemical diagnostics: CV, GCD, EIS, SECM, LSV
- Stability, cycle life & loss mechanism analysis
- Supercapacitor prototype development
- Mathematical modelling & power management
- Battery–supercapacitor hybrid system integration
Projects
2DSuperCap
Advanced Hybrid Supercapacitor Elements Based on 2D Materials
Slovak RRP
VEGA 1/0707/24
National APVV / VEGA
Space & Harsh Environments
Battery Systems for Harsh Environments
We develop and validate battery and hybrid energy storage systems for extreme and mission-critical environments. Our work combines stress testing — sub-zero cycling, pulsed loads, and accelerated aging protocols — with advanced diagnostics to detect early degradation signatures. Projects include collaborations with ESA for space and aviation applications.
Research Topics
- Low-temperature operation & sub-zero cycling
- Hybrid energy storage systems (HESS)
- Pulsed load & dynamic stress testing
- Accelerated aging protocols & lifetime prediction
- Satellite & CubeSat energy power systems (EPS)
- Thermo-vacuum testing and analysis
- Space and aviation-grade reliability constraints
Projects
STEPHANIK
Slovak Technical Ecosphere Platform
Slovak RRP
HESS
ESA
Digital Twins & AI
Simulations, modeling & AI
We integrate experimental data, physics-based models, and AI into predictive frameworks for battery systems. Our work spans multiphysics simulation, intelligent monitoring, digital twin development, and virtual testing — bridging cell-level characterisation with full system-level deployment and reliability engineering.
Research Topics
- Physics-informed AI (PINN) for state estimation
- Digital twin development & virtual testing
- Multiphysics simulation (COMSOL, MATLAB)
- SOC / SOH / SOS / T estimation algorithms
- Thermal runaway modelling & safety-by-design
- Intelligent reliability & electronic packaging
- Battery Passport & EU Battery Regulation
- Life-cycle assessment (LCA) & sustainability analysis
Projects
FreeTwinEV
Fostering Research Excellence of STU in Digital Twinning for Sustainable and Safe EVs
Horizon Europe
iRel40
Intelligent Reliability 4.0
Horizon Europe
E2PACKMAN
European Consortium for Accelerating Innovations in Electronic Packaging Manufacturing
Horizon Europe
Hydrogen Technolologies
Hydrogen & Photoelectrochemical Solar Energy Systems
We research catalyst preparation, stable interface engineering, and electrolyzer configuration for green hydrogen production. Activities include photoelectrochemical water splitting, solar simulator testing, long-term stability analysis, and the development of hydrogen sensors — working toward integrated solar-to-fuel systems.
Research Topics
- Catalyst preparation: TMD, oxides, sulfides & carbon-based
- Electrolyzer testing & operating-point mapping
- Photoelectrochemical structures & MIS photoelectrodes
- Solar simulator testing & conversion efficiency
- Long-term stability & corrosion analysis
- Hydrogen sensor development & characterisation
- Hydrogen storage system research
Projects
APVV-17-0169
Nanotechnology of MIS Photoelectrodes with Metal Oxides for Solar Fuel Production
National APVV / VEGA
VEGA 1/0529/20
Research of Progressive Heterostructures for Photoelectrochemical and Optoelectronic Applications
National APVV / VEGA
ERG
Energy for a Green Society
EU (ENIAC JU)
Education & Ecosystem
Education, Talent Development & Innovation Ecosystem
We actively integrate research excellence into education, building a skilled pipeline of engineers and researchers in battery technologies, energy systems, and digital twin methodologies. Our activities connect advanced laboratory infrastructure with MSc and PhD training, industry collaboration, and international mobility schemes through EU and ESA programmes.
Research Topics
- MSc & PhD research training in energy storage
- EBA Academy curriculum (supported by InnoEnergy)
- SKEBA — University & Industry Education Platform
- Slovak Battery Alliance (SBaA) membership
- EU & ESA international mobility schemes
- Industry-linked research and student projects
- Techno-economic education in sustainable energy
Projects
TEVIN
Techno-economic education and innovation in sustainable energy
Internal STU
