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Lab of Solid State Ionics and Energy Conversion

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Portugal
Aveiro
Lab of Solid State Ionics and Energy Conversion

Laboratory of Solid State Ionics and Energy Conversion

05/06/2026

𝐍𝐄𝐖 𝐏𝐔𝐁𝐋𝐈𝐂𝐀𝐓𝐈𝐎𝐍: Our article, “Self-activating Ti3AlC2 MAX phase-Ni/Ni-Al composite electrodes for hydrogen evolution in alkaline media”, has recently been published in the International Journal of Hydrogen Energy. In this work, Ti3AlC2 MAX phase, a well-known precursor for MXenes, was explored as an active component embedded in metallic Ni and Ni-Al electrodes for alkaline hydrogen evolution. The proposed electrode architectures behave as dynamic, self-activating systems, with their performance improving as the surface evolves under cathodic polarisation in strongly alkaline conditions. This research was led by Daniela Lopes, with an important contribution from our former MSc student Américo Cruz, based on his thesis work, as well as from other Lab SSI&EC members Parisa Amirkhizi and Andrei Kovalevsky. The work was carried out in collaboration with Sergii Sergiienko from the Centre of Excellence for Advanced Materials Application, Slovak Academy of Sciences, Slovak Republic.

https://doi.org/10.1016/j.ijhydene.2026.155545 (open access)

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27/05/2026

𝗧𝗘𝗔𝗠: We welcome Afonso Magalhaes and Pedro Cabrela, master’s students of DEMAC (Departamento de Engenharia de Materiais e Cerâmica - Universidade de Aveiro) who recently joined the Lab SSI&EC team. Afonso will carry out research activities within an industry-funded service provision project coordinated by Dr. Daniela V. Lopes. He will contribute to the development of sustainable electrochemical approaches for the valorization of iron-containing raw materials, supporting ongoing efforts toward more circular and low-carbon materials processing. Pedro will conduct research within the CLEARNESS project (funded by FCT under the ERA-MIN3 European network) focusing on the recovery and reuse of components from end-of-life high-temperature fuel cells and electrolyzers.

www.era-min.eu

19/05/2026

𝐍𝐄𝐖 𝐏𝐔𝐁𝐋𝐈𝐂𝐀𝐓𝐈𝐎𝐍: Our article, “A-site deficiency- and redox-driven functional performance of laser floating zone-processed SrTiO3-based thermoelectric ceramics,” has recently been published in the Journal of Alloys and Compounds. This study demonstrates the potential of the laser floating zone technique for processing SrTiO₃-based thermoelectric ceramics, particularly when combined with targeted compositional design and controlled processing atmospheres. The work was carried out in collaboration with the University of Castilla-La Mancha and represents part of the PhD research of Diogo Lopes, who was recently awarded his PhD degree by the University of Aveiro.

https://doi.org/10.1016/j.jallcom.2026.188481 (open access)

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16/04/2026

𝗡𝗘𝗪 𝗣𝗨𝗕𝗟𝗜𝗖𝗔𝗧𝗜𝗢𝗡: A new paper has just been published by the team of Lab SSI&EC in Materials Research Bulletin. The study investigates the properties of perovskite-type calcium vanadate CaVO3-δ relevant for its application as a ceramic component for anodes of solid oxide fuel cells (SOFCs). This research is part of the PhD thesis of Rui Pinto (defended in February 2026), supervised by Dr. Aleksey Yaremchenko, with contributions from Dr. Alexander Bamburov and Dr. Sergey Mikhalev.

https://doi.org/10.1016/j.materresbull.2026.114135 (open access)

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04/03/2026

𝗧𝗘𝗔𝗠: We warmly welcome Dr Helena Gomes who has joined the Lab SSI&EC to carry out research activities within the project RENOXCELL. The project RENOXCELL “Reversible solid electrolyte cell for selective electrocatalytic elimination of NOx” is funded by the FCT and the COMPETE 2030 program and is coordinated by Dr. Aleksey Yaremchenko. Helena will work on the development of selective electrocatalysts and the design of porous reversible electrochemical cells for the reduction of toxic NOx exhaust gases.

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18/02/2026

𝗥𝗘𝗦𝗘𝗔𝗥𝗖𝗛 𝗩𝗜𝗦𝗜𝗧: Last week, the Lab SSI&EC team – Miguel Vieira, Dr. Daniela Lopes, and Dr. Aleksey Yaremchenko – visited our partners at the Materials and Resources Laboratory, Department of Materials and Geosciences, Technical University of Darmstadt. The visit took place within the joint research activities in framework of the bilateral Portugal–Germany project “Development of Ba₂In₂O₅-based mixed-conducting membranes for oxygen separation and energy conversion technologies”, funded by FCT (Portugal, project 2024.07805.CBM) and DAAD (Germany). We thank our colleagues Dr. Marc Widenmeyer, Prof. Anke Weidenkaff, and Dr. Xingxing Xiao for hosting us and for the fruitful discussions.

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15/02/2026

𝗨𝗣𝗖𝗢𝗠𝗜𝗡𝗚 𝗗𝗘𝗙𝗘𝗡𝗦𝗘: The PhD examination of Rui Pinto, a team member of Lab SSI&EC, will take place on 23 February 2026 at 14:00. His doctoral thesis is entitled “Coking- and sulfur-tolerant composite anodes for biogas-fueled solid oxide fuel cells” and was supervised by Dr. Aleksey Yaremchenko. The defense will take place in the Sala de Atos Académicos, Rectory Building, University of Aveiro.

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04/02/2026

𝗧𝗘𝗔𝗠: We are pleased to welcome Alessandra Bonvino, a Master student from the Departamento de Engenharia de Materiais e Cerâmica - Universidade de Aveiro, who has recently joined the Lab SSI&EC to carry out her master’s research project. Alessandra will explore new ceramic composite materials for high-temperature waste heat harvesting within the framework of the ongoing national project MeXTSus, “Multiscale Design of Sustainable MXene-Boosted Ceramic Composites for Efficient Thermoelectric Harvesting and Cooling” (COMPETE2030-FEDER-00777900; FCT Ref. 16602, 2023.17953.ICDT; https://doi.org/10.54499/2023.17953.ICDT). Her work will be supervised by Dr. Andrei Kovalevsky and Dr. Parisa Amirkhizi.

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02/02/2026

𝐔𝐏𝐂𝐎𝐌𝐈𝐍𝐆 𝐏𝐡𝐃 𝐃𝐄𝐅𝐄𝐍𝐂𝐄: We are happy to announce the upcoming PhD defence of our team member Diogo Lopes. The defence will take place on 11 February 2026 at 14:30, at the Sala de Atos Académicos, Rectorate Building of the University of Aveiro. Diogo will present his doctoral thesis entitled “Laser Floating Zone Processing of TiO₂- and SrTiO₃-Based Thermoelectrics: From Material Design to Functional Performance”, developed under the supervision of Dr. Andrei Kovalevsky and Dr. Nuno Ferreira. We warmly congratulate Diogo on reaching this important milestone and wish him the very best for a successful defence. We also very much look forward to celebrating this special moment with him!

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28/01/2026

𝗧𝗘𝗔𝗠: We are pleased to welcome Samira Mansouri who joined the Lab SSI&EC to perform research activities within the 𝗔𝗟𝗖𝗛𝗘𝗠𝗛𝗬 Project EU. The project 𝗔𝗟𝗖𝗛𝗘𝗠𝗛𝗬 “Alternative routes for basic chemicals production using hydrogen as feedstock” is funded by the European Commission within the HORIZON-CL4-2024-TWIN-TRANSITION-01 (HORIZON-RIA) programme. The team of the Lab SSI&EC (CICECO/UA), under the coordination of Dr. Aleksey Yaremchenko, focuses on the direct electrochemical synthesis of ammonia using protonic ceramic cells.

Project website: alchemhyproject.eu

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Aveiro

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