Energy storage

Energy storage

Energy storage department

We create great technology

Research and development of innovative energy storage technologies
Numerical modeling of the heat transfer process
Experimental research of the heat transfer process
Synthesis and characterization of new materials

Department of
Energy Storage

Research and development of innovative energy storage technologies;

Numerical modeling of the heat transfer process;

Experimental research of the heat transfer process;

Synthesis and characterization of new materials.

Contact person: Dr. Saulius Pakalka
E-mail: s.pakalka@protechnology.lt

Publications

Pakalka, S.; Donėlienė, J.; Rudzikas, M.; Valančius, K.; Streckienė, G. Development and experimental investigation of full-scale phase change material thermal energy storage prototype for domestic hot water, J. Energy Storage. (2024).
https://doi.org/10.1016/j.est.2023.110283

Donėlienė, J.; Fataraitė-Urbonienė, E.; Danchova, N.; Gutzov, S.; Ulbikas, J. The influence of the precursor’s nature and drying conditions on the structure, morphology, and thermal properties of TiO2 aerogels // Gels, MDPI, 2022, vol. 8, , iss. 7, art. no. 422, p. 1-16. https://doi.org/10.3390/gels8070422

Donėlienė, J.; Fataraitė-Urbonienė, E.; Rudzikas, M.; Pakalka, S.; Danchova, N.; Ulbikas, J. Effect of precursor nature and sol-gel synthesis conditions on TiO2 aerogel’s structure, Molecules. 26 (2021). https://doi.org/10.3390/molecules26165090.

 

Pakalka, S., Valančius, K.. Experimental investigation and prediction of charging/discharging performance of phase change material based thermal energy storage unit. Environmental and Climate Technologies, (2021)25(1), 600–609. https://doi.org/10.2478/rtuect-2021-0044

Presentations at Conferences

Donėlienė, J.; Fataraitė-Urbonienė, E.; Ulbikas, J. Thermal stability of subcritical dried TiO2 aerogels prepared by sol-gel synthesis // 20th international conference on nanosciences & technologies, 4-7 July 2023, Thessaloniki, Greece: book of abstracts. Thessaloniki : [s.n.]. 2023, p. 117.

Donėlienė, J.; Fataraitė-Urbonienė, E.; Ulbikas, J.. Influence of synthesis and ambient drying conditions on the porosity of TiO2 aerogel // Advanced materials and technologies: book of abstracts of 24th international conference-school, 22-26 August 2022, Palanga, Lithuania. Kaunas : Kaunas University of Technology. ISSN 2669-1930. 2022, B-P112, p. 152.

Donėlienė, Jolanta; Fataraitė-Urbonienė, Eglė; Ulbikas, Juras. Influence of synthesis and ambient drying conditions on the porosity of TiO2 aerogel // 19th international conference on nanosciences & nanotechnologies: 5-8 July 2022, Thessaloniki, Greece: book of abstracts. Thessaloniki : [s.n.]. 2022, p. 144. [M.kr.: T 008]     

Donėlienė, J.; Ulbikas, J.; Fataraitė-Urbonienė, E.. Influence of synthesis and subcritical drying conditions on the porosity of TiO2 aerogel // Advanced materials and technologies: book of abstracts of 23rd international conference-school, 23-27 August 2021, Palanga, Lithuania. Kaunas : Kaunas university of technology. ISSN 2669-1930. 2021, B-P166, p. 200.

Projects

EFFIHEAT-DEMO
EFFIHEAT-DEMO – Development of high EFFiciency Stirling HEAT pump http://effiheat.eu The…
EFFIHEAT
EFFIHEAT – Development of high EFFiciency Stirling HEAT pump http://www.effiheat.eu/…

Infrastructure & Services

Description

Performance monitoring: temperature, pressure, mass flow rate, heat transfer rate, energy 

Simulation of different thermal energy storage charging and discharging modes 

Validation of analytical and numerical models 

Technical specification

Coriolis mass flow rate meter, accuracy ±0.15%, maximum flow rate 1.81 kg/s 

Temperature sensors PT100, class B, accuracy  ± (0,3 + 0,005·t) °C 

Pressure sensors for liquids and gases, maximum pressure 0-600 kPa, accuracy ±0.5% 

Description

Phase change materials (PCMs) phase transitions and melting enthalpies determination

Technical specification

Temperature range: -180°C to 700°C

Heating rates: 0.001 K/min to 200 K/min