Šarūnas Varnagiris

Center for Hydrogen Energy Technologies (18)
Position:
Senior research associate
Room number:
301-LK
Phone number:
+37037401824

Publications

Scientific article

2024

Hosney A., Urbonavičius M. [LEI], Varnagiris Š. [LEI], Ignatjev I., Ullah S., Barčauskaitė K.. Feasibility study on optimizing chitosan extraction and characterization from shrimp biowaste via acidic demineralization In: Biomass Conversion and Biorefnery. Heidelberg: Springer, 2024, p. 1-15. ISSN 2190-6815.
Drapanauskaitė D., Barčauskaitė K., Bunevičienė K., Urbonavičius M. [LEI], Varnagiris Š. [LEI], Baltrusaitis J.. Recovery of nutrients from biofuel ash via organic acid-facilitated solid-liquid extraction In: Chemosphere. Oxford: Elsevier, 2024, Vol. 363, 142945, p. 1-10. ISSN 0045-6535.
Sereika R., Varnagiris Š. [LEI], Urbonavičius M. [LEI], Žaltauskas R., Milčius D. [LEI]. Synthesis and properties of quasi-one-dimensional BiSBr crystals via the Bridgman-Stockbarger technique In: Journal of Crystal Growth. Amsterdam: Elsevier, 2024, Vol. 643, 127816, p. 1-6. ISSN 0022-0248.
Urbonavičius M. [LEI], Varnagiris Š. [LEI], Knoks A., Mezulis A,, Kleperis J., Richter Ch., Meirbekova R., Gunnarsson G., Milčius D. [LEI]. Enhanced Hydrogen Generation through Low-Temperature Plasma Treatment of Waste Aluminum for Hydrolysis Reaction In: Materials. Basel: MDPI, 2024, Vol. 17, Iss. 11, 2637, p. 1-16. ISSN 1996-1944.
Skvorčinskienė R. [LEI], Urbonavičius M. [LEI], Vorotinskienė L. [LEI], Bašinskas M. [LEI], Zakarauskas K. [LEI], Maziukienė M. [LEI], Striūgas N. [LEI], Buidovas P. [LEI], Milčius D. [LEI], Varnagiris Š. [LEI]. Application of TiH2 dehydrogenation for vapour layer formation under boiling crisis conditions In: Applied Thermal Engineering. Oxford: Elsevier, 2024, Vol. 247, 122935, p. 1-17. ISSN 1359-4311.
Urbonavičius M. [LEI], Varnagiris Š. [LEI], Mezulis A,, Lesnicenoks P., Knoks A., Richter Ch., Milčius D. [LEI], Meirbekova R., Gunnarsson G., Kleperis J.. Hydrogen from industrial aluminium scraps: Hydrolysis under various conditions, modelling of pH behaviour and analysis of reaction by-product In: International Journal of Hydrogen Energy. Oxford: Elsevier, 2024, Vol. 50, Part. B, p. 431-446. ISSN 0360-3199.

2023

Mezulis A,, Richter Ch., Lesnicenoks P., Knoks A., Varnagiris Š. [LEI], Urbonavičius M. [LEI], Milčius D. [LEI], Kleperis J.. Studies on Water–Aluminum Scrap Reaction Kinetics in Two Steps and the Efficiency of Green Hydrogen Production In: Energies. Basel: MDPI, 2023, Vol. 16, Iss. 14, 5554, p. 1-17. ISSN 1996-1073.
Lelis M. [LEI], Tučkutė S. [LEI], Urbonavičius M. [LEI], Varnagiris Š. [LEI], Sakalauskaitė S., Daugelavičius R.. C-TiO2+Ni and ZnO+Ni Magnetic Photocatalyst Powder Synthesis by Reactive Magnetron Sputtering Technique and Their Application for Bacteria Inactivation In: Inorganics. Basel: MDPI, 2023, Vol. 11, Iss. 2, 59, p. 1-18. ISSN 2304-6740.

2022

Sereika R., Žaltauskas R., Varnagiris Š. [LEI], Urbonavičius M. [LEI], Liu F., Ding Y., Milčius D. [LEI]. On the structure of SbTeI In: Journal of Applied Physics. Melvilla: AIP Publishing, 2022, Vol. 132, Iss. 1, 015106, p. 1-7. ISSN 0021-8979 , eISSN 1089-7550.

Conference paper

2024

Hosney A., Ignatjev I., Urbonavičius M. [LEI], Varnagiris Š. [LEI], Barčauskaitė K.. Evaluation of the optimization of acidic demineralization on characterization of chitosan isolated from shrimp shells In: CYSENI' 2024: 20th international conference of young scientists on energy and natural sciences issues, 21-23 May, 2024 [proceedings]. Kaunas: Lietuvos energetikos institutas, 2024, p. 74-74. ISSN 2783-6339.

2023

Urbonavičius M. [LEI], Varnagiris Š. [LEI], Milčius D. [LEI], Knoks A., Lesnicenoks P.. Utilization of waste aluminum for hydrogen production and material recycling In: Book of Abstracts/Proceedings 7th International Symposium on Materials for Energy Storage and Conversion 11th International Conference on Nanomaterials and Advanced Energy Storage System 2023. Muğla: Mugla Sıtkı Koçman University, 2023, p. 126-126. ISBN 978-625-00-9198-3.

2022

Lelis M. [LEI], Tučkutė S. [LEI], Demikytė E., Vasiliauskė D., Urbonavičius M. [LEI], Varnagiris Š. [LEI], Sakalauskaitė S.. Synthesis and repetitive application of nanocrystalline ZnO based floating photocatalyst for the detoxification of water from bacteria and viruses mixtures In: Proceedings of the Nanotech France 2022 International Conference Paris, France – June 15 – 17, 2022. Paris: 2022, p. 1-5..

2021

Bočkutė K., Demikytė E., Tučkutė S. [LEI], Urbonavičius M. [LEI], Varnagiris Š. [LEI], Laukaitis G., Lelis M. [LEI]. Photoluminescence and structural defects of ZnO films deposited by reactive magnetron sputtering with unconventional Ar-O2 gas mixture formation In: Book of abstracts 26 - 28 MAY, 2021 Virtual joint conferences. Korea: Graphene Korea 2021 International Conference, 2021, p. 94-94..
Demikytė E., Sakalauskaitė S., Kuliešienė N., Tučkutė S. [LEI], Urbonavičius M. [LEI], Varnagiris Š. [LEI], Daugelavičius R., Lelis M. [LEI]. Ni underlayer effect for the structure development and visible light photocatalytic efficiency of carbon-doped TiO2 film In: The Conference of Environmental and Climate Technologies (Connect2021). Riga: Riga Technical University , 2021, Vol. 25, No. 1, p. 1032-1042..
Vasiliauskė D., Sakalauskaitė S., Kuliešienė N., Tučkutė S. [LEI], Urbonavičius M. [LEI], Varnagiris Š. [LEI], Daugelavičius R., Lelis M. [LEI]. Synergistic generation of reactive oxygen species by visible light activated TiO2 and S.enterica interaction In: The Conference of Environmental and Climate Technologies (Connect2021). Riga: Riga Technical University, 2021, p. 17-17..

2017

Girdzevičius D., Urbonavičius M. [LEI], Varnagiris Š. [LEI], Milčius D. [LEI]. Attempt to regenerate MgO to Mg under hydrogen plasma conditions In: The 14th International Conference of Young Scientists on energy Issues (CYSENI 2017), Kaunas, Lithuania, May 25-26, 2017. Kaunas: Lietuvos energetikos institutas, 2017, p. 192-198. ISSN 1822-7554.
Urbonavičius M. [LEI], Girdzevičius D., Varnagiris Š. [LEI], Milčius D. [LEI]. Possible reduction of aluminium hydroxide in hydrogen gas plasma In: The 14th International Conference of Young Scientists on energy Issues (CYSENI 2017), Kaunas, Lithuania, May 25-26, 2017. Kaunas: Lietuvos energetikos institutas, 2017, p. 180-185. ISSN 1822-7554.
Varnagiris Š. [LEI], Urbonavičius M. [LEI], Girdzevičius D., Milčius D. [LEI], Sakalauskaitė S.. Photocatalytic properties of TiO2 deposited on non-expanded polystyrene beads In: The 14th International Conference of Young Scientists on energy Issues (CYSENI 2017), Kaunas, Lithuania, May 25-26, 2017. Kaunas: Lietuvos energetikos institutas, 2017, p. 324-331. ISSN 1822-7554.

2015

Varnagiris Š. [LEI], Milčius D. [LEI]. Formation of SIO layer on the surface of expanded polystyrene foam In: 12th Annual international conference of young scientists on energy issues (CYSENI 2015), Kaunas, Lithuania, May 27–28, 2015. Kaunas: Lietuvos energetikos institutas, 2015, p. 323-328. ISSN 1822-7554.

International projects

Baltic Research Programme

COST

1
COST actions logo

This Action deals with the future of energy storage and aims to set up a competitive and coordinated network capable to define new and unexplored ways for Solid State Hydrogen StorageMore

Other international projects

1

According to the Sustainable Development Goal on Energy (SDG7) as well as Green Deal, RePowerEU and other EU initiatives, clean energy solutions are essential to counter climate changMore

Projects in Lithuania

EU Structural Funds

1

  Project objective - To test the R&D idea and to prepare an application for the "European Horizon" programme call through an interdisciplinary project. The HORIZON-CL5-202More

2
2014–2020 ES fondų investicijų ženklas

UAB Enerstena together with its partner Lithuanian Energy Institute (LEI) and Kaunas University of Technology (KTU) is implementing the project "Multifunctional Biomass Energy TechnolMore

3
2014-2020 Operational Programme for the European Union Funds Investments in Lithuania logo

Lietuvos energetikos institutas įgyvendina projektą „Kompetencijos centro MTEP veiklų vykdymas, sukuriant ir išbandant inovatyvų dujinių biodegalų gamybos prototipą“ Nr. 01.2.2-CPMore