Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Jonghyun Hyun"'
Autor:
Dong Wook Lee, Seongmin Yuk, Sungyu Choi, Dong-Hyun Lee, Gisu Doo, Jonghyun Hyun, Jiyun Kwen, Jun Young Kim, Hee-Tak Kim
Publikováno v:
Energies, Vol 14, Iss 5, p 1419 (2021)
Protecting low coordinated sites (LCS) of Pt nanoparticles, which are vulnerable to dissolution, may be an ideal solution for enhancing the durability of polymer electrolyte fuel cells (PEMFCs). However, the selective protection of LCSs without deact
Externí odkaz:
https://doaj.org/article/664beb3daf0d40688be0b202e4081657
Autor:
Gisu Doo, Juseong Park, Jeesoo Park, Jiyun Heo, Jinkwan Jung, Dong Wook Lee, Hanmin Bae, Jonghyun Hyun, Euntaek Oh, Jiyun Kwen, Kyung Min Kim, Hee-Tak Kim
Publikováno v:
ACS Energy Letters. 8:2214-2220
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6588532056bfc09c17b15ac45e47a86d
https://doi.org/10.1021/acsenergylett.3c00291
https://doi.org/10.1021/acsenergylett.3c00291
Autor:
Jiyun Kwen, Gisu Doo, Sungyu Choi, Hwanuk Guim, Seongmin Yuk, Dong-Hyun Lee, Dong Wook Lee, Jonghyun Hyun, Hee-Tak Kim
Publikováno v:
International Journal of Hydrogen Energy. 47:14017-14026
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29e324976502e29080a80a2ac7c41e2d
https://doi.org/10.1016/j.ijhydene.2022.02.136
https://doi.org/10.1016/j.ijhydene.2022.02.136
Autor:
Sungyu Choi, Sang-Hun Shin, Dong-Hyun Lee, Gisu Doo, Dong Wook Lee, Jonghyun Hyun, Jang Yong Lee, Hee-Tak Kim
Publikováno v:
Journal of Materials Chemistry A. 10:789-798
Cerium oxide-containing interlocking interfacial layer improved mechanical adhesion and chemical stability of the interface. For the first time as a hydrocarbon-based membrane, it operated stably for more than 500 hours.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acf2f3aec7d197dd529d89fd546846e6
https://doi.org/10.1039/d1ta08222a
https://doi.org/10.1039/d1ta08222a
Publikováno v:
Journal of Power Sources. 573:233161
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e30bbdec2a24a98d2838543cef4c2798
https://doi.org/10.1016/j.jpowsour.2023.233161
https://doi.org/10.1016/j.jpowsour.2023.233161
Autor:
Hongkyung Lee, Ilju Kim, Wonhee Jo, Jonghyun Hyun, Hee-Tak Kim, Jaeho Choi, Hong Suk Kang, Jaehyung Kwon, Jinkwan Jung
Publikováno v:
Nano Letters. 21:5500-5507
Sharks, marine creatures that swim fast and have an antifouling ability, possess dermal denticle structures of micrometer-size. Because the riblet geometries on the denticles reduce the shear stress by inducing the slip of fluid parallel to the strea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d9b9b5aeddbf6b5c7b2d7b70e93e884
https://doi.org/10.1021/acs.nanolett.1c00436
https://doi.org/10.1021/acs.nanolett.1c00436
Autor:
Dong-Hyun Lee, Seok Hwan Yang, Gisu Doo, Wonhee Jo, Sungyu Choi, Jonghyun Hyun, Dongwook Lee, Jang Yong Lee, Sang-Hun Shin, Hee-Tak Kim, Jiyun Kwen
Publikováno v:
Journal of Materials Chemistry A. 9:18546-18556
The durability of the membrane electrode assembly (MEA) is one of the important requirements for the successful commercialization of anion exchange membrane fuel cells (AEMFCs). While chemical stabilities of the components (the catalyst, membrane, an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff230c8c6f18372be14a684d42a5bfa2
https://doi.org/10.1039/d1ta05801k
https://doi.org/10.1039/d1ta05801k
Autor:
Jiyun Kwen, Jonghyun Hyun, Reshef Tenne, Hee-Tak Kim, Haisu Kang, Dong-Hyun Lee, Gisu Doo, Sungyu Choi, Dongwook Lee, Seung Geol Lee, Seongmin Yuk
Publikováno v:
ACS Applied Energy Materials. 3:4619-4628
Proton exchange membranes with high through-plane proton conductivity are a critical component of high-performance fuel cells, electrolyzers, and batteries. However, isotropically distributed proto...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94b197172b21642566f5ad688b44636e
https://doi.org/10.1021/acsaem.0c00289
https://doi.org/10.1021/acsaem.0c00289
Autor:
Jonghyun Hyun, Sung Hyun Kwon, Seongmin Yuk, Hee-Tak Kim, Dongwook Lee, Dong-Hyun Lee, Ji Hye Lee, Sungyu Choi, Seung Geol Lee, Gisu Doo
Publikováno v:
Journal of Materials Chemistry A. 8:13004-13013
Ionomer films even only a few nanometers thick in the catalyst layer of a polymer electrolyte membrane fuel cell are detrimental to the power performance at low Pt loadings due to their large oxygen transport resistance. Therefore, removing the ionom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff298b865c49bbcc16e4c19f41290931
https://doi.org/10.1039/c9ta14002f
https://doi.org/10.1039/c9ta14002f
Autor:
Seongmin Yuk, Jinkwan Jung, Kah-Young Song, Dong Wook Lee, Dong-Hyun Lee, Sungyu Choi, Gisu Doo, Jonghyun Hyun, Jiyun Kwen, Jun Young Kim, Hee-Tak Kim
Publikováno v:
Chemical Engineering Journal. 452:139061
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c59a213375b5bdac1017640dc5ffa28f
https://doi.org/10.1016/j.cej.2022.139061
https://doi.org/10.1016/j.cej.2022.139061