Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Keun-Hwan Oh"'
Autor:
Eui Jin Ko, Eunju Lee, Jang Yong Lee, Duk Man Yu, Sang Jun Yoon, Keun-Hwan Oh, Young Taik Hong, Soonyong So
Publikováno v:
Polymers; Volume 15; Issue 7; Pages: 1748
Glassy hydrocarbon-based membranes are being researched as a replacement for perfluorosulfonic acid (PFSA) membranes in proton exchange membrane water electrolysis (PEMWE). Here, naphthalene containing Poly(arylene Ether Ketone) was introduced into t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2cf8fb8df81a2a64bab48b1a0276166c
https://doi.org/10.3390/polym15071748
https://doi.org/10.3390/polym15071748
Autor:
Keun-Hwan Oh, Soonyong So
Publikováno v:
Journal of Power Sources. 561:232664
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1963a780e8db0bad3c562b35dc42b73
https://doi.org/10.1016/j.jpowsour.2023.232664
https://doi.org/10.1016/j.jpowsour.2023.232664
Publikováno v:
International Journal of Hydrogen Energy. 45:19891-19899
We control the aggregation of short-side-chain (SSC) perfluorinated sulfonic acid (PFSA) ionomers for catalyst-layer (CL) inks by using a dispersion solvent of dipropylene glycol (DPG) and water. By increasing the fraction of PFSA backbone preferable
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::544faa4e40b5aab0a6be64ec9768cab2
https://doi.org/10.1016/j.ijhydene.2020.05.128
https://doi.org/10.1016/j.ijhydene.2020.05.128
Publikováno v:
Renewable Energy. 146:960-967
An appropriate water balance between the conservation of the membrane humidity and the reduction of excess water in the cell remains a key challenge for commercialization of polymer electrolyte fuel cells (PEFCs). Here, we report a microporous layer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27571a410cc8d5e9d91c8976054e7cae
https://doi.org/10.1016/j.renene.2019.07.003
https://doi.org/10.1016/j.renene.2019.07.003
Autor:
Seung Jae Hong, Hwan Yeop Jung, Sang Jun Yoon, Keun-Hwan Oh, Seong-Geun Oh, Young Taik Hong, Duk Man Yu, Soonyong So
Publikováno v:
Journal of Power Sources. 551:232221
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fd35e92327911eab2411cd7c59e772c
https://doi.org/10.1016/j.jpowsour.2022.232221
https://doi.org/10.1016/j.jpowsour.2022.232221
Publikováno v:
Journal of Industrial and Engineering Chemistry. 78:455-460
In polymer electrolyte membrane fuel cell, the poor power performance of hydrocarbon (HC)-based membranes in low relative humidity conditions arises from the materials’ inherently inadequate proton conductivity under water-deficient conditions. In
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1860cdae9e0026aa1f920fb6875a83d
https://doi.org/10.1016/j.jiec.2019.05.020
https://doi.org/10.1016/j.jiec.2019.05.020
Autor:
Keun-Hwan Oh, Hyung-Joong Kim, Jaeheon Song, Duk Man Yu, Young Taik Hong, Jang Yong Lee, Kyung Seok Yoon, Yecheol Rho, Tae Ho Kim, Soonyong So, Sang Jun Yoon, Chang Jin Lee
Publikováno v:
Journal of Power Sources. 518:230772
This study focuses on improving performance and durability of perfluorinated sulfonic acid (PFSA) membranes for polymer electrolyte membrane water electrolysis by controlling the membrane microstructure. To replace the highly gas permeable and expens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37a6125cd6b5c34528c0703cdbcde9d0
https://doi.org/10.1016/j.jpowsour.2021.230772
https://doi.org/10.1016/j.jpowsour.2021.230772
Publikováno v:
Journal of Membrane Science. 549:567-574
Proton exchange membranes (PEMs) consisting of cross-linked sulfonated poly(arylene ether ketone) with silica nanoparticles (CL-SPAEK/silica) are developed for fuel cell applications under low relative humidity (RH). CL-SPAEK/silica is prepared by th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e717e0ced759d7804c041916fd795ff7
https://doi.org/10.1016/j.memsci.2017.12.060
https://doi.org/10.1016/j.memsci.2017.12.060
Publikováno v:
Journal of Membrane Science. 543:106-113
Poor proton conduction at low relative humidity (RH) remains a challenge for adopting hydrocarbon (HC) membranes for polymer electrolyte membrane fuel cells (PEMFCs). Here, we report a silica-embedded hydrogel (HG-silica) nanofiller as a water reserv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5771d4cf00facea8c6d97ac604e07e3c
https://doi.org/10.1016/j.memsci.2017.08.052
https://doi.org/10.1016/j.memsci.2017.08.052
Publikováno v:
Journal of Membrane Science. 542:52-59
We prepared an asymmetric composite membrane in which surface modified silica nanoparticles were added to sulfonated poly(arylene ether ketone) (SPAEK). The asymmetric structure, hydrophilic silica to the anode side and hydrophobic silica to the cath
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83203fec8ddfe4168070b9056e44f320
https://doi.org/10.1016/j.memsci.2017.07.058
https://doi.org/10.1016/j.memsci.2017.07.058