Research output per year
Research output per year
Personal profile
Artistic and research interests
My multidisciplinary team is interested on energy storage concepts and how they are part of large energy systems. We find new innovations for conversion of electrical, thermal and chemical energy to each other and to store them efficiently and in sustainable manner. Our main focus is on hydrogen and power to X as an energy vectors, heat storage solutions and materials, energy recovery from batteries prior recycling and design of circular energy devices.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Education/Academic qualification
Doctoral degree, Engineering and Technology, Aalto University
Award Date: 20 Dec 2012
Licentiate degree, Engineering and Technology, Aalto University
Award Date: 2 Feb 2010
Master's degree, Engineering and Technology, Helsinki University of Technology
Award Date: 30 Jan 2007
Keywords
- Energy storage
- CO2 utilization
- Teaching
- Energy
- Process development
- Methanol production
- Fuel properties
- Electrolyser
- Energy systems
- Hydrogen
- Thermal energy storage
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
Research output
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Assessment of phase change materials for thermal energy storage in battery systems for heavy-duty vehicle applications
Revello, E., Dixit, P., Turunen, K., Santasalo-Aarnio, A. & Monteverde, A. H. A., 1 Feb 2026, In: Energy Conversion and Management. 349, 14 p., 120816.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
High energy density long-term thermochemical energy storage composite based on salt and wood-derived activated biochar
Kasebi Vayghan, A., Yazdani McCord, M. R., Santasalo-Aarnio, A. & Seppälä, A., 1 Jan 2026, In: Energy Conversion and Management. 347, 14 p., 120532.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile5 Downloads (Pure) -
Hydrogen storage model for decarbonization of constant industrial processes
Pekkinen, S., Muoniovaara, M., Seppälä, E., Pirhonen, P., Rinne, M. & Santasalo-Aarnio, A., Jan 2026, In: Next Energy. 10, 100484.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile1 Downloads (Pure) -
A process simulation study on the impact of electrochemical discharge on the circularity of lithium-ion batteries using new multi-dimensional indicators
Vierunketo, M., Klemettinen, A., Santasalo-Aarnio, A. & Serna-Guerrero, R., 22 Jul 2025, In: Sustainable Energy and Fuels. 9, 15, p. 4056-4067 12 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile7 Downloads (Pure) -
Beyond material recovery: Exergy and environmental analysis of silicon solar panel recycling
Jech, Š., Bartie, N., Tas, G., Miettunen, K., Serna-Guerrero, R. & Santasalo-Aarnio, A., 1 Jul 2025, In: Solar Energy Materials and Solar Cells. 286, 12 p., 113561.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile66 Downloads (Pure)
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-: 2024 SA Profi 8
Hämäläinen, J. (Principal investigator), Salo, A. (Project Member), Koli, K. (Project Member), Seppälä, S. (Project Member), Salehi, A. (Project Member), de la Barra, J. (Project Member), Tulkki, I. (Project Member), Amiri, A. (Project Member), Karttunen, A. (Project Member), Caro, M. (Project Member), Miikkulainen, V. (Project Member), Jokinen, V. (Project Member), Gaziulusoy, İ. (Project Member), Karppinen, M. (Project Member), Pouresmaeil, E. (Project Member), Hinkkanen, M. (Project Member), Pourakbari Kasmaei, M. (Project Member), Järvelä, H. (Project Member), Kyyrä, J. (Project Member), Millar, R. (Project Member), Santasalo-Aarnio, A. (Project Member), Vuorinen, V. (Project Member), Keppo, I. (Project Member), Kaario, O. (Project Member), Syri, S. (Project Member), Seppänen, J. (Project Member), Välimäki, J. (Project Member), Keloharju, M. (Project Member), Mähönen, P. (Project Member), Saleem, U. (Project Member), Huttunen, K. (Project Member), Toivanen, O. (Project Member), Halonen, K. (Project Member), Krokfors, K. (Project Member) & Kotnik, T. (Project Member)
01/01/2025 → 31/12/2030
Project: RCF Profiling
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THERMAMAZE/Santasalo-Aarnio: Thermal management for real zero-emission buses
Santasalo-Aarnio, A. (Principal investigator), Dixit, P. (Project Member) & Pallonen, L. (Project Member)
01/09/2024 → 31/08/2028
Project: RCF Academy Project
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HySelect: Efficient water splitting via a flexible solar-powered Hybrid thermochemical-Sulphur dioxide depolarized Electrolysis Cycle
Santasalo-Aarnio, A. (Principal investigator), Narayana Prasad, P. (Project Member) & Gasik, M. (Project Member)
01/01/2023 → 31/12/2026
Project: EU_HEFWP
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-: 2022 SA Profi 7
Hämäläinen, J. (Principal investigator), Zhao, B. (Project Member), Kallio, T. (Project Member), Asadchy, V. (Project Member), Hakonen, P. (Project Member), Elalaily, T. (Project Member), Moumaneix, L. (Project Member), Timonen, J. (Project Member), Siddiqui, W. (Project Member), Mourouvin, R. (Project Member), Hyysalo, S. (Project Member), Jin, B. (Project Member), Järvinen, M. (Project Member), Hilkamo, O. (Project Member), Shi, J. (Project Member), Ebrahimpoor Gorji, A. (Project Member), Chaudhry, Y. (Project Member), Jouhten, P. (Project Member), Upadhyay, R. (Project Member), Bothof, L. (Project Member), Kalachikova, P. (Project Member), Pekkinen, S. (Project Member), Roas Escalona, N. (Project Member), Roussel, B. (Project Member), Li, Z. (Project Member), Jokinen, I. (Project Member), Baumann, D. (Project Member), Khadka, P. (Project Member), Möttönen, M. (Project Member), Rosenthal, M. (Project Member), Chiang, K.-H. (Project Member), Niinimäki, K. (Project Member), Chen, Z.-Y. (Project Member), Törmä, P. (Project Member), Strelnikov, A. (Project Member), Böling, S. (Project Member), Wang, L. (Project Member), Hammouali, A. (Project Member), Lahdelma, R. (Project Member), Flindt, C. (Project Member), Winiarski, P. (Project Member), Villo, S. (Project Member), Pekola, J. (Project Member), Tunn, I. (Project Member), Barbe, A.-S. (Project Member), Liski, M. (Project Member), Nypelö, T. (Project Member), Linder, M. (Project Member), Rinke, P. (Project Member), Vehviläinen, I. (Project Member), Beaune, G. (Project Member), Lilleng, K. (Project Member), Santasalo-Aarnio, A. (Project Member), Horelli, L. (Project Member), Petry, A. (Project Member), Gaziulusoy, İ. (Project Member), Sakas, G. (Project Member) & Nielsen, S. K. (Project Member)
01/01/2023 → 31/12/2030
Project: RCF Profiling
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ECOSOL/Santasalo-Aarnio: Ecodesign of solar technologies for urban environment
Santasalo-Aarnio, A. (Principal investigator), Rautakorpi, A. (Project Member), Winiarski, P. (Project Member), Seppälä, A. (Project Member), Lassila, L. (Project Member), Garg, N. (Project Member), Jech, Š. (Project Member), Rehman, S. (Project Member), Rouhi, H. (Project Member), Savusalo, A. (Project Member), Narayana Prasad, P. (Project Member) & Pallonen, L. (Project Member)
01/01/2022 → 31/12/2025
Project: RCF Academy Project targeted call
Prizes
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Educational action of the year 2017
Santasalo-Aarnio, A. (Recipient), 29 Nov 2017
Prize: Award or honor granted for a specific work
Activities
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A comparison of lithium -ion battery recycling processes using exentropy, a novel multidimensional engineering tool for circular economy
Vierunketo, M. (Speaker), Klemettinen, A. (Contributor), Serna Guerrero, R. (Contributor), Santasalo-Aarnio, A. (Contributor) & Reuter, M. (Contributor)
9 Sept 2024 → 12 Sept 2024Activity: Talk or presentation types › Conference presentation
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A new circularity parameter combining mass and energy preservation
Vierunketo, M. (Invited speaker), Serna Guerrero, R. (Contributor), Klemettinen, A. (Contributor), Reuter, M. (Contributor) & Santasalo-Aarnio, A. (Contributor)
1 Nov 2023Activity: Talk or presentation types › Conference presentation
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Exentropy: a novel engineering tool to evaluate material and energy circularity
Vierunketo, M. (Speaker), Serna Guerrero, R. (Contributor), Klemettinen, A. (Contributor), Reuter, M. (Contributor) & Santasalo-Aarnio, A. (Contributor)
25 Jun 2023 → 30 Jun 2023Activity: Talk or presentation types › Conference presentation
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Design for Recycling: Catalyst and support materials in energy storage systems
Santasalo-Aarnio, A. (Speaker)
16 Sept 2019Activity: Talk or presentation types › Invited academic talk
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Acting as an opponent for a doctoral disertation
Santasalo-Aarnio, A. (Examiner)
27 Aug 2019Activity: Academic assessments › Pre-examination of doctoral thesis or acting as opponent to doctoral students or membership of doctoral thesis committee or board
Press/Media
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Sähköautojen akkujen kierrätys on vaikeaa ja kallista – Näin hyytyneet akut saavat uuden elämän
05/08/2025
1 item of Media coverage
Press/Media: Media appearance
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Tutkijoiden kehittämä menetelmä mullistaa sähköautojen akkujen kierrätyksen
Santasalo-Aarnio, A. & Suojanen, J.
17/12/2024
1 item of Media coverage
Press/Media: Media appearance
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Akkumateriaalit turvallisesti ja tehokkaasti uusiokäyttöön – Aallon tutkijat aikovat mullistaa kierrätystoiminnan
Santasalo-Aarnio, A. & Suojanen, J.
20/11/2024
1 item of Media coverage
Press/Media: Media appearance
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Litiumakut voi kierrättää tehokkaammin ja paremmin
19/11/2024
1 item of Media coverage
Press/Media: Media appearance
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Suomessa kehitetty menetelmä mullistaa sähköautojen akkujen kierrätyksen – Litiumista jopa 72 % talteen
Santasalo-Aarnio, A. & Suojanen, J.
19/11/2024
1 item of Media coverage
Press/Media: Media appearance