Τitle: «Environmental management of CO₂ by its conversion into upgraded chemical products». Project: Excellence Scholarship for Postdoctoral Research - School of Environmental Engineering. Budget: €12000. Funding: ΕLKΕ, Technical University of Crete. Duration: 2016-2017.

Τitle: ENERGY UTILIZATION AND TREATMENT OF WINE WASTE. Project: BUSINESS PROGRAMS "COMPETITIVENESS & ENTREPRENEURSHIP" AND REGIONS IN TRANSITION. Funding: NATIONAL STRATEGIC REFERENCE FRAMEWORK, ΕΣΠΑ 2007-2013. Budget: €140.000 (total). €53.775,32 (Technical University of Crete) Duration: 2012-2014

Τitle: Fuel cells of advanced design and technology for the direct energy exploitation of biogas and substances derived from biomass. Project: IRAKLEITOS ΙΙ. Budget: €45.000. Funding: ΥΠΕΠΘ & Ε.Ε. Duration: 2011-2014. Note: Despite its approval, the project was interrupted due to the voluntary withdrawal of the PhD candidate for personal reasons unrelated to the program and the inability to replace him.

Τitle: Development of innovative catalytic systems through the synergy of structural and surface promoters for the simultaneous reduction of nitrogen oxide (NOx) and nitrogen oxide (N₂O) emissions (CASANO). Project: THALIS/ BUSINESS PROGRAM TRAINING AND LIFELONG LEARNING Epispeudon Foundation: University of Western Macedonia (Coordinator: Marnellos G.). Project Leader (Technical University of Crete): Ι. Yentekakis Budget: €598.000,00 (total), €164.000,00 (Technical University of Crete). Funding: Υπουργείο Παιδείας Διά Βίου Μάθησης και Θρησκευμάτων, ΕΣΠΑ 2007-2013  Duration: 2011-2016.

Τitle: Innovative fuel cells for direct electricity production from biogas, bioalcohols and higher hydrocarbons. Project: Basic Research-2007 Funding: ΕLΚΕ, Technical University of Crete Budget: €10.000,00 Duration: 2007-2009.

Τίτλος:Hydrogen production by catalytic treatment of hydrocarbons and biomass. Project: Βasic ResearchΕLΚΕ 2007. Budget: €5.000,00. Funding: ΕLΚΕ Technical University of Crete. Duration: 2007-2008.

Τitle: Catalysis: A vital tool for upgrading the atmosphere and generating energy-ΚΑΠΕΝΕ. (Technical University of Crete: Anti-pollution technologies during the production and use of conventional fuels). Project: Human Networks E&T Training 2^nd period. Budget: € 16.877,94 (University of Crete) Duration: 2006-2008. Cooperation: ΕΚΕΤΑ/ΕΙΤΧΗΔ, TUC, Π.Π, Π.Ι, ΙΤΕ/ΕΙΧΗΜΥΘ, ΑΠΘ, Π.Δ.Μ, ΕΜΠ.

Τitle: Development and application of innovative bi-metallic anode electrodes in hydrocarbon fuel cells type SOFC. Project: ΓΓΕΤ/05 ΝΟΝ-EU-242 Budget: €65.000,00 (total), €25.818,85 (Technical Univeristy of Crete). Funding: OTHER NATIONAL, INTERSTATE COLLABORATION WITH ORGANIZATIONS FROM COUNTRIES OUTSIDE EUROPE Duration: 2006-2008. Cooperation: University of Western Macedonia & Technical University of Crete.

Τitle:Development of an efficient method for the preparation and shaping into desired shapes of intermediate temperature solid electrolytes. Project: Basic Research ΕLΚΕ-2006. Budget: €5.000,00. Funding: ΕLΚΕ Technical University of Crete. Duration: 2006-2007.

Τitle: Innovative process of direct production of electricity and H₂ from municipal and industrial waste treatment of various COD. Project: ΠΕΝΕΔ 2003/ΓΓΕΤ. Budget: €114.000,00. Funding: Γ’ ΚΠΣ, ΕΠΑΝ, ΠΕΝΕΔ 2003 (Co-funding by company Watersafe A.E., HELLAS) Duration: 2005-2009.

Title: Development of integrated innovative automotive catalysts for air pollution control. Project: Basic Research ΕLΚΕ-2003 Budget: €5.000,00. Funding: ΕLΚΕ Technical University of Crete. Duration: 2003-2004.

Title: Kinetics, electrokinetic behavior and electrode effects of novel electrocatalysts in fuel cells for reactions relevant to pollutant emission control. Project: IRAKLEITOS/ΥΠΕΠΘ. Budget: €35.609,50. Funding: Γ’ ΚΠΣ. Duration: 2002-2007

Title: Promotion by alkalies in emission control catalysis Project: Greek & British Bilateral Research and Innovation Budget: €18.000. Funding: ΓΓΕΤ & Athens British Council. Duration: 1999-2001

Title: Fused Metal Anode Solid Oxide Fuel Cells for Simultaneous Coal Gasification and Production of Electrical Energy Update: December 2021 Proct: Karatheodoris Budget: €10000. Funding: University of Patras Research Committee Duration: 2000-2003.

Title: "Promotion of environmentally important catalytic reactions and fused metal anode SOFCs" Project: Internal ICE/HT-FORTH programs Budget: €3000. Funding: ICE/HT-FORTH. Duration: 2000-2001.

Title: Promotion of environmentally important catalytic reactions and fused metal anode SOFCs Project: Internal ICE/HT-FORTH programs Budget: €3000. Funding: ICE/HT-FORTH. Duration: 1999-2000.

Τitle: Promotion of environmentally important catalytic reactions Project: Internal ICE/HT-FORTH programs Budget: €3000. Funding: ICE/HT-FORTH. Duration: 1998-1999.