FEI STU · BatteryLab

Our Capabilities

We provide advanced research capabilities in energy materials, aging analysis, sensing, and modeling to support the development of next-generation energy storage solutions for batteries, supercapacitors, and hydrogen systems. Unique infrastructure —  interdisciplinary expertise — skilled team.

6

Research Areas

100+

Cycler Channels

-40°C

To +150 °C range

Battery Characterisation & Diagnostics

Cycling, Aging & Diagnostics

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.

  • Cycle-Life Testing

Systematic charge/discharge cycling to track capacity fade and resistance growth over time.

  • Calendar Aging Studies

Long-term storage testing under controlled temperature and state-of-charge conditions.

  • Temperature-Controlled Testing

Cycling in climatic chambers across −40 °C to 170 °C for comprehensive thermal stress evaluation.

  • Cyclic Voltammetry (CV)

Redox behaviour, capacity, and reaction reversibility analysis across different scan conditions.

  • Electrochemical Impedance Spectroscopy (EIS)

Separation and quantification of resistance, charge transfer, and diffusion contributions.

  • ICA / DTV Analysis

Non-invasive identification of degradation mechanisms directly from charge/discharge curves.

  • GITT / PITT

Kinetic characterisation and diffusion coefficient measurement of electrode materials.

  • Calorimetry

Heat generation analysis for thermal characterisation and early safety risk assessment.

100+ Cycler Channels

−40 °C to 170 °C Testing Range

Advanced Electrochemical Diagnostics

Calorimetry

Battery Systems & BMS

Battery Systems, BMS & Harsh Environments

We design, integrate, and validate battery systems from cell to pack level — including mission-critical deployments in space and other extreme environments. Our work bridges material and cell-level behaviour and real-world system performance, with a strong track record in national, international and ESA-collaborative projects.

  • Battery Pack Design & Integration

System-level assembly, configuration, and performance validation from cell to pack.

  • BMS Algorithm Development

SOC, SOH, and SOP estimation with integrated early fault detection and safety warning.

  • Thermal Management & Runaway Prediction

Internal temperature estimation and proactive identification of thermal runaway risk.

  • Harsh-Environment & Space Validation

Sub-zero cycling, pulsed load profiles, and accelerated aging for mission-critical applications.

  • Smart Sensing for State Estimation

Acoustic, strain, and pulse-based sensing for real-time diagnostics under dynamic operating conditions.

  • Life-Cycle Assessment & Battery Passport

Environmental impact quantification and compliance support aligned with EU Battery Regulation.

Cell-to-Pack Integration

Space-Grade Validation

Smart Sensing

Simulations & AI

Modelling, Simulation & AI

We develop physics-based and data-driven models that translate experimental findings into predictive tools — enabling virtual testing, degradation forecasting, and intelligent control strategies at both cell and system level.

  • Equivalent-Circuit Model (ECM) Development

Parameter identification and HPPC-based model calibration with experimental validation.

  • Physics-Informed AI & Machine Learning

Degradation trajectory prediction and lifetime estimation integrating physical priors with data.

  • Multiphysics Simulation (COMSOL / MATLAB)

Coupled electrochemical-thermal modelling for virtual testing and design optimisation.

  • Digital Twin Development

Virtual battery replicas for real-time monitoring, lifetime prediction, and risk mitigation.

  • State Estimation Algorithms (SOC, SOH, SOP, SOS)

Robust estimation under dynamic loads and harsh conditions for BMS integration.

  • Fast-Charging Strategy Optimisation

Model-guided development of charging protocols that maximise performance while limiting aging.

Physics-Informed AI

Digital Twin Capability

COMSOL Multiphysics

PyBaMM

Supercapacitor Technology

Supercapacitor Materials & Fabrication

We prepare and process advanced electrode materials for supercapacitors — from initial synthesis through to electrode fabrication — using a broad range of chemical and physical deposition techniques on both rigid and flexible substrates.

  • Active Material Synthesis

Preparation of metal oxides, sulfides, 2D TMDs, and hybrid composites via chemical and hydrothermal routes.

  • Multi-Method Deposition

Electrode fabrication using Doctor Blade, spray coating, spin coating, sputtering, and electrodeposition.

  • Flexible & Solid Substrate Processing

Electrode preparation on both conventional and flexible substrate platforms.

  • Active Mixture Formulation

Optimisation of binder, conductive additive, and active material ratios for electrode performance.

  • Electrolyte Compatibility Evaluation

Systematic testing of electrode behaviour across different aqueous and non-aqueous electrolyte systems.

  • Structural & Morphological Characterisation

Material quality verification and structure–property correlation from synthesis to electrode level.

2D Material Electrodes

Flexible Substrate Fabrication

Hybrid Energy Storage

Supercapacitors and Hybrid Systems

Supercapacitor Testing & Hybrid Systems

We characterise the electrochemical performance of supercapacitor electrodes and full devices, and develop hybrid energy storage systems that combine the power density of supercapacitors with the energy capacity of batteries.

  • CV, LSV & EIS Characterisation

Power capability, energy storage mechanism analysis, and impedance-based diagnostics.

  • Galvanostatic Charge/Discharge (GCD) Testing

Energy density, power density, and coulombic efficiency evaluation under realistic conditions.

  • Cycle Stability & Reliability Testing

Long-term performance assessment under varied load profiles and temperature conditions.

  • Prototype Assembly & Validation

Full supercapacitor cell construction, integration, and performance benchmarking.

  • Hybrid Battery–Supercapacitor Systems

Design and testing of combined storage architectures for high-power, high-energy applications.

  • Modelling & Energy Management

Mathematical modelling of supercapacitor dynamics and power flow optimisation strategies.

CV / EIS / GCD Characterisation

Cycle Stability Testing

Battery–Supercapacitor Hybrids

Hydrogen & Solar

Hydrogen & Photoelectrochemical Systems

We develop materials, systems, and sensors for hydrogen generation and solar-driven energy conversion — covering the full pipeline from catalyst synthesis and interface engineering to electrolyzer validation and long-term stability assessment.

  • Catalytic Layer Preparation

Synthesis of TMD-based, metal oxide, sulfide, and carbon-based catalysts for electrolysis applications.

  • Photoelectrochemical Structure Fabrication

Preparation of photosensitive layers and MIS photoelectrodes for solar-driven water splitting.

  • Electrochemical Characterisation (CV / LSV / EIS)

Evaluation of catalytic activity, conversion efficiency, and interface stability.

  • Electrolyzer Configuration & Testing

System assembly, operating-point mapping, and efficiency validation across configurations.

  • Long-Term Stability Testing

Durability and degradation assessment under sustained electrochemical and photochemical operation.

  • Hydrogen Sensor Development

Design, fabrication, and sensitivity characterisation of metal oxide and sulfide-based gas sensors.

Electrolyzer Development

Photoelectrochemical Systems

Hydrogen Sensors

Long-Term Stability Testing