Main activities of the BatteryLab team

The main activities of the BatteryLab team are oriented towards research, development and electrical management of batteries, supercapacitors and hydrogen systems. The BatteryLab team is also focused on promoting and increasing the knowledge level of students and professional audience.

Batteries

  • Development of energy materials
  • Electrical characterisation, aging and performance analysis
  • Reliability and safety analysis
  • New sensing and control systems, battery models
  • Second Life Applications
  • Charging strategies
  • Regeneration strategies
  • Thermal management
  • Artificial intelligence for battery technologies
  • Prototype development


Supercapacitors

  • Development of materials and technologies
  • New materials – 2D TMD, oxides, sulfides, polymers, carbon based materials
  • Electrochemical and electrical diagnostics
  • Stability and reliability testing
  • Preparation of prototypes
  • Mathematical models of supercapacitors
  • Hybrid systems battery-supercapacitors
  • Energy management 


Hydrogen

  • Development of materials and technologies
  • Preparation of catalysts, TMD based, oxides, sulfides and carbon based
  • Electrochemical characterization
  • Structural characterization
  • Photo-electrochemical structures
  • Energy management
  • Hydrogen storage systems
  • Stability and reliability testing
  • Hydrogen sensors


BMS systems

  • Algorithms for SOC, SOH, SOS monitoring for BMS
  • Battery models for BMS
  • Lifetime and capacity prediction
  • Early warning of safety issues 
  • Internal temperature estimation and thermal runaway
  • New sensory systems for advanced BMS
  • Electronic systems for power management
  • Artificial intelligence for BMS


Technologies in the field of batteries

Electrical characterization

Standard and advanced electrical and electrochemical diagnostic techniques such as CV, EIS, ICA, DTV, GITT, PITT, capacitance, resistance, leakage, temperature analyses. Pulse measurements and charging strategies. Analysis and identification of battery degradation mechanisms.

Cyclic testing – climatic chamber

Monitoring of cyclic stability, calendar aging and analysis of degradation mechanisms under different stress factors. Measurements can be performed in a climate chamber in the temperature range -40 to 170 degrees.

Structural analysis

Structural analysis of materials, primarily SEM, XRD and other analyses.

Modeling and simulation

BMS simulation through the Matlab program, simulating ICA analysis, temperature management.

Technologies in the field of supercapacitors

Materials preparation technologies

Preparation and synthesis of metal oxides and sulfides, carbon materials for supercapacitors. Preparation methods: chemical synthesis, hydrothermal preparation, thermal decomposition, spraycoating, spincoating, sputtering, vaporization, oxidation, electrodeposition, Dr. Blade and more. Preparation of active mixtures for supercapacitors.

Electrical and electrochemical analysis

Electrochemical characterization and testing of supercapacitor electrodes in electrolytes. Testing and diagnostics of supercapacitors. Analysis of the energy storage mechanism. Testing of supercapacitors under different load and temperature conditions. Characterization methods, CV, LSV, EIS and more. Power management, energy balance and simulation of supercapacitors.

Construction of supercapacitors

Application of active mixtures on supercapacitor electrodes. Preparation of supercapacitor electrodes on solid or flexible substrates. Testing the influence of different electrolytes and types of electrodes. Preparation of supercapacitor prototypes.

Analysis of materials

Materials analysis, primarily SEM, XRD, AFM and other analyses. Morphological factor analysis.

Technologies in the field of hydrogen technologies

Materials preparation technologies

Preparation of catalytic metal oxides and sulfides, 2D materials, metal layers for electrolysis. Preparation of photosensitive structures and elements for photo-electrochemical decomposition of water. Preparation methods: chemical synthesis, hydrothermal preparation, thermal decomposition, spray coating, spin coating, sputtering, vaporization, oxidation, electrodeposition and others.

Electrochemical and electrical characterization

Electrochemical and electrical characterization of catalysts, electrolyzers and photosensitive structures and elements for photo-electrochemical decomposition of water. Testing with a standard solar simulator. Characterization of conversion efficiency, catalytic activity and corrosion stability. Characterization methods, CV, LSV, EIS and more. Structural analysis of materials, primarily SEM, XRD, AFM and other analyses.

Electrolyzers and hydrogen systems

Preparation of electrolyzers, catalytic layers and their testing. Preparation of systems for hydrogen generation in the configuration of electrolyzers, photo-sensitive elements with catalytic layers and solar cells with electrolyzers. Simulation and testing of the working point of hydrogen systems. Long-term stability testing.

Hydrogen sensors

Development and testing of gas sensors for the detection of hydrogen and other gases. The sensors are based on metal oxides and sulfides. Activities are carried out in cooperation with other institutions at FEI STU.