Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Ramin M.H. Khorasany"'
Autor:
Will H.J. Kim, Alireza Sadeghi Alavijeh, Gongming Wang, Erik Kjeang, Yadvinder Singh, R. K. N. D. Rajapakse, Ramin M.H. Khorasany
Publikováno v:
International Journal of Hydrogen Energy. 44:12057-12072
Interactions between catalyst layers and membrane are known to influence the mechanical properties of catalyst coated membrane (CCM) composites used in fuel cells, and can further affect their fatigue-driven mechanical fracture — an important lifet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71a8de785e41146f15ff8b004d583b05
https://doi.org/10.1016/j.ijhydene.2019.03.108
https://doi.org/10.1016/j.ijhydene.2019.03.108
Autor:
R. K. N. D. Rajapakse, Erik Kjeang, Gongming Wang, Ramin M.H. Khorasany, A. Sadeghi Alavijeh, Yadvinder Singh
Publikováno v:
International Journal of Hydrogen Energy. 42:19257-19271
Fatigue-induced membrane fracture due to dynamic stresses is an important lifetime-limiting failure mode in automotive fuel cell applications. Here, a series of ex situ experiments are first conducted to measure the rate of crack growth in Nafion NRE
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8989537d70c067b82bd045fc9a00af60
https://doi.org/10.1016/j.ijhydene.2017.06.151
https://doi.org/10.1016/j.ijhydene.2017.06.151
Autor:
R. K. N. D. Rajapakse, A. Sadeghi Alavijeh, Ramin M.H. Khorasany, Erik Kjeang, Yadvinder Singh
Publikováno v:
International Journal of Hydrogen Energy. 42:11838-11844
Estimation of membrane fatigue lifetime under in-situ conditions involving cyclic hygrothermal stress is of particular interest in fuel cell durability research; however, conducting experiments to study the in-situ fatigue process within membranes is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb32e187367e5d7d89efcc53bb7aec1f
https://doi.org/10.1016/j.ijhydene.2017.01.173
https://doi.org/10.1016/j.ijhydene.2017.01.173
Autor:
Ramin M.H. Khorasany, Erik Kjeang, Gongming Wang, R. K. N. D. Rajapakse, Yadvinder Singh, A. Sadeghi Alavijeh
Publikováno v:
International Journal of Hydrogen Energy. 41:8992-9003
The interactions between catalyst layers and membrane are known to have significant impact on the mechanical properties of the composite catalyst coated membrane (CCM) materials used in fuel cells. The mechanical fatigue durability of such composite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0727a3894365d73b5ec5f5b77f10c615
https://doi.org/10.1016/j.ijhydene.2016.04.042
https://doi.org/10.1016/j.ijhydene.2016.04.042
Autor:
A. Sadeghi Alavijeh, Senthil Velan Venkatesan, Will H.J. Kim, Ramin M.H. Khorasany, Erik Kjeang
Publikováno v:
Journal of Power Sources. 312:123-127
An ex-situ tensile fatigue and creep based accelerated stress test (TFC-AST) is proposed to evaluate the mechanical stability of catalyst coated membranes (CCMs) used in fuel cells. The fatigue-creep action of the TFC test is analyzed by tensile and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89a0b618249698a0d782da900696363f
https://doi.org/10.1016/j.jpowsour.2016.02.053
https://doi.org/10.1016/j.jpowsour.2016.02.053
Publikováno v:
Journal of Power Sources. 285:16-28
Creep as a time-dependent mechanical damage acting either independently or in conjunction with other degradation mechanisms is known to reduce the membrane durability of polymer electrolyte fuel cells (PEFCs). Due to the important ionomer coupling of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ba99af7506f6d24a61f72f659ea9370
https://doi.org/10.1016/j.jpowsour.2015.03.082
https://doi.org/10.1016/j.jpowsour.2015.03.082
Publikováno v:
Journal of Power Sources. 279:55-63
Understanding the fatigue lifetime of common perfluorosulfonic acid (PFSA) ionomer membranes under fluctuating hygrothermal conditions is essential for the development of durable fuel cell technologies. For this purpose, a finite element based fatigu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a389487fcd15ad4fb5dd498c9e4ba303
https://doi.org/10.1016/j.jpowsour.2014.12.133
https://doi.org/10.1016/j.jpowsour.2014.12.133
Autor:
Gongming Wang, Aronne Habisch, Alireza Sadeghi Alavijeh, Erin Rogers, Zachary Raymond Nunn, Erik Kjeang, Michael V. Lauritzen, Ramin M.H. Khorasany
Publikováno v:
Journal of The Electrochemical Society. 162:F1461-F1469
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eda5e1b7b37650ee6aba4b6dc4789147
https://doi.org/10.1149/2.0471514jes
https://doi.org/10.1149/2.0471514jes
Autor:
Erik Kjeang, Alireza Sadeghi Alavijeh, R. K. N. D. Rajapakse, Ramin M.H. Khorasany, Gongming Wang
Publikováno v:
Journal of Power Sources. 274:1208-1216
The effects of cyclic stresses on the fatigue and mechanical stability of perfluorosulfonic acid (PFSA) membranes are experimentally investigated under standard fuel cell conditions. The experiments are conducted ex-situ by subjecting membrane specim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0a2bcc4f40243170556417f7860f009
https://doi.org/10.1016/j.jpowsour.2014.10.135
https://doi.org/10.1016/j.jpowsour.2014.10.135
Autor:
Marc-Antoni Goulet, Gongming Wang, R. K. N. D. Rajapakse, Ramin M.H. Khorasany, J. Ghataurah, Erik Kjeang, Michael V. Lauritzen, Chan Lim, A. Sadeghi Alavijeh
Publikováno v:
Fuel Cells. 15:204-213
The mechanical stability of catalyst coated membranes (CCMs) is an important factor for the overall durability and lifetime of polymer electrolyte fuel cells. In this article, the evolution of the mechanical properties of degraded CCMs is comprehensi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::252df9b3fc8de00d017303653959d58f
https://doi.org/10.1002/fuce.201400040
https://doi.org/10.1002/fuce.201400040