Monitoring and Diagnostics of SOFC Stacks and Systems

Autor: Priscilla Caliandro, Pierpaolo Polverino, Marco Gallo, Bertrand Morel, Stefan Pofahl, J. P. Ouweltjes, Jan Van herle, Alexandra Ploner, Pavle Boškoski, Stefan Diethelm, Boštjan Dolenc, Antti Pohjoranta, Aki Nieminen, Andrea Leonardi, Francesco Galiano, Carlo Tanzi, Julie Mougin

Publikováno v: Mougin, J, Morel, B, Ploner, A, Caliandro, P, Van Herle, J, Boškoski, P, Dolenc, B, Gallo, M, Polverino, P, Pohjoranta, A, Nieminen, A, Pofahl, S N, Ouweltjes, J P, Diethelm, S, Leonardi, A, Galiano, F & Tanzi, C 2019, ' Monitoring and diagnostics of SOFC stacks and systems ', ECS Transactions, vol. 91, no. 1, pp. 731-743 . https://doi.org/10.1149/09101.0731ecst

While high performance of SOFC systems has already been achieved, there is still a need to increase the stack lifetime, while decreasing the system's total cost of ownership, both being linked. The increase in lifetime includes the minimization of pe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db53f49a9ad91cd4b3182c784d09d919
https://doi.org/10.1149/09101.0731ecst

Online gas composition estimation in solid oxide fuel cell systems with anode off-gas recycle configuration

Autor: Boštjan Dolenc, Antti Pohjoranta, Ðani Juričić, Cesare Pianese, Darko Vrečko

Publikováno v: Dolenc, B, Vrecko, D, Juricic, D, Pohjoranta, A & Pianese, C 2017, ' Online gas composition estimation in solid oxide fuel cell systems with anode off-gas recycle configuration ', Journal of Power Sources, vol. 343, pp. 246-253 . https://doi.org/10.1016/j.jpowsour.2017.01.038

Degradation and poisoning of solid oxide fuel cell (SOFC) stacks are continuously shortening the lifespan of SOFC systems. Poisoning mechanisms, such as carbon deposition, form a coating layer, hence rapidly decreasing the efficiency of the fuel cell

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab2791a788fdea121c07deca3c51a1d9
https://cris.vtt.fi/en/publications/43b92fcd-cafa-4c85-a488-d9527eb96f74

Solid oxide fuel cell stack temperature estimation with data-based modeling – Designed experiments and parameter identification

Autor: Antti Pohjoranta, Jari Pennanen, Matias Halinen, Jari Kiviaho

Publikováno v: Pohjoranta, A, Halinen, M, Pennanen, J & Kiviaho, J 2015, ' Solid oxide fuel cell stack temperature estimation with data-based modeling : Designed experiments and parameter identification ', Journal of Power Sources, vol. 277, pp. 464-473 . https://doi.org/10.1016/j.jpowsour.2014.08.130

Data-based modeling is utilized for the dynamic estimation of the temperature inside a solid oxide fuel cell (SOFC) stack. Experiment design and implementation, data pretreatment, model parameter identification and application of the obtained model f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49406da83e612b313a7f471bc846ead2
https://doi.org/10.1016/j.jpowsour.2014.08.130

Multivariable linear regression for SOFC stack temperature estimation under degradation effects

Autor: Antti Pohjoranta, Jari Kiviaho, Matias Halinen, Jari Pennanen

Publikováno v: Pohjoranta, A, Halinen, M, Pennanen, J & Kiviaho, J 2014, ' Multivariable linear regression for SOFC stack temperature estimation under degradation effects ', Journal of the Electrochemical Society, vol. 161, no. 4, pp. 425-433 . https://doi.org/10.1149/2.029404jes

Multivariable linear regression (MLR) models are developed for the estimation of the maximum temperature and the temperature difference over a cell inside a solid oxide fuel cell (SOFC) stack. Empirical test data from both long-term tests (3500 hours

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a9e8d7b8a561225805fea09762126a54
https://doi.org/10.1149/2.029404jes

Online estimation of internal stack temperatures in solid oxide fuel cell power generating units

Autor: Antti Pohjoranta, Boštjan Dolenc, Cesare Pianese, Darko Vrečko, Ɖ. Juričić

Publikováno v: Dolenc, B, Vrečko, D, Juričić, Ɖ, Pohjoranta, A & Pianese, C 2016, ' Online estimation of internal stack temperatures in solid oxide fuel cell power generating units ', Journal of Power Sources, vol. 336, pp. 251-260 . https://doi.org/10.1016/j.jpowsour.2016.10.070

Thermal stress is one of the main factors affecting the degradation rate of solid oxide fuel cell (SOFC) stacks. In order to mitigate the possibility of fatal thermal stress, stack temperatures and the corresponding thermal gradients need to be conti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a7a6ee7902e71f31d7bc346f1dd8e72
https://cris.vtt.fi/en/publications/21d53cd2-e590-42df-9cf3-26113e7fde0f