Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Yoon Hwan Cho"'
Autor:
Tae-Yeong Kim, Tae-Hun Kim, Yoon-Hwan Cho, Bong Ho Lee, Joonoh Moon, Chang-Hoon Lee, Heon-Young Ha, Tae-Ho Lee, Hyun-Uk Hong
Publikováno v:
Journal of Nuclear Materials. 571:154001
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aba25c3af2bc86a52dcd4e92c49cb03a
https://doi.org/10.1016/j.jnucmat.2022.154001
https://doi.org/10.1016/j.jnucmat.2022.154001
Publikováno v:
Korean Journal of Materials Research. 28:330-336
In this study, a membrane electrode assembly(MEA) composed of three electrodes(anode, cathode, and reference electrode) is designed to investigate the effects of methanol concentration on the overpotentials of anode and cathode in direct methanol fue
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::541043b7bb9261a57029ef937298f0c4
https://doi.org/10.3740/mrsk.2018.28.6.330
https://doi.org/10.3740/mrsk.2018.28.6.330
Publikováno v:
ACS Applied Materials & Interfaces. 7:14053-14063
Core-shell structure nanoparticles have been the subject of many studies over the past few years and continue to be studied as electrocatalysts for fuel cells. Therefore, many excellent core-shell catalysts have been fabricated, but few studies have
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd1760a3126462faa6e99adf010b9f02
https://doi.org/10.1021/acsami.5b03255
https://doi.org/10.1021/acsami.5b03255
Autor:
Jae Young Jho, Yoon-Hwan Cho, Kyusoon Shin, Heeman Choe, Namgee Jung, Hyelim Choi, Yung-Eun Sung, Ok-Hee Kim, Yong-Hun Cho, Jin Woo Bae
Publikováno v:
Journal of Membrane Science. 467:36-40
The effect of an enlarged specific surface area of the membrane with well-defined line patterns on the performance of a direct methanol fuel cell (DMFC) is investigated and compared with the baseline pristine Nafion 115 membrane. Line patterns with d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b965ef3e5942b0db217463391f6f3e2
https://doi.org/10.1016/j.memsci.2014.03.069
https://doi.org/10.1016/j.memsci.2014.03.069
Publikováno v:
Applied Catalysis B: Environmental. :309-315
a b s t r a c t Carbon-supported PtPdCo/C ternary electrocatalysts were prepared by using the sodium borohydride method for use as a cathode catalyst in direct methanol fuel cells (DMFCs). The electrocatalyst particles with a size of 2-3 nm were unif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b493b39a477d9b5f0385ed7aed61a9f8
https://doi.org/10.1016/j.apcatb.2014.02.016
https://doi.org/10.1016/j.apcatb.2014.02.016
Autor:
Jong Hyun Jang, Young-Hoon Chung, Yung-Eun Sung, Sung Jong Yoo, Yong-Hun Cho, Hee-Young Park, Yoon-Hwan Cho, Namgee Jung, Kwang-Hyun Choi, Tae-Yeol Jeon, Kug-Seung Lee
Publikováno v:
Journal of The Electrochemical Society. 160:H62-H66
The hydrogen oxidation reaction activity of sub-monolayer Pt-shell/Pd-core nanoparticles was investigated at a Pt surface concen-trationof0∼5.7%.Thenanoparticleswerepreparedusingacolloidalapproach.Thecombinationofelectrochemicalmeasurementsandhighr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf76077c0071728bbb2766a66bf44e99
https://doi.org/10.1149/2.058301jes
https://doi.org/10.1149/2.058301jes
Autor:
Heeman Choe, Ju Wan Lim, Yung-Eun Sung, Yong-Hun Cho, Yun Sik Kang, Yoon-Hwan Cho, Dong Young Chung, Namgee Jung
Publikováno v:
International Journal of Hydrogen Energy. 37:11969-11974
The cathode catalyst layer in direct methanol fuel cells (DMFCs) was prepared using polystyrene beads as a pore former. Field emission scanning electron microscopy showed that the catalyst layer with the pore former contained pores with a uniform sha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a91e7729b68280058048b9746d64cbda
https://doi.org/10.1016/j.ijhydene.2012.05.031
https://doi.org/10.1016/j.ijhydene.2012.05.031
Autor:
Ju-Wan Lim, Yung-Eun Sung, Yoon-Hwan Cho, Yun-Sik Kang, Minjeh Ahn, Yong-Hun Cho, Dong Young Chung, Namgee Jung
Publikováno v:
Journal of the Korean Electrochemical Society. 15:109-114
고분자전해질 연료전지 (PEMFC)의 공기극을 양극산화 알루미늄 (AAO) 템플레이트를 이용하여제조하고 촉매층의 구조적 특성을 주사현미경 (SEM) 측정과 BET (Brunauer-Emmett-Teller)분석을 통해 알아
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2fcaf7adc9726650c0dde20f6546e88
https://doi.org/10.5229/jecst.2012.15.2.109
https://doi.org/10.5229/jecst.2012.15.2.109
Autor:
Ju Wan Lim, Minjeh Ahn, Yoon-Hwan Cho, Yong-Hun Cho, Heeman Choe, Hee-Young Park, Namgee Jung, Yung-Eun Sung
Publikováno v:
International Journal of Hydrogen Energy. 37:5884-5890
Pd-based nanoparticles, such as 40 wt.% carbon-supported Pd50Pt50, Pd75Pt25, Pd90Pt10 and Pd95Pt5, for anode electrocatalyst on polymer electrolyte membrane fuel cells (PEMFCs) were synthesized by the borohydride reduction method. PdPt metal particle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0e399e75e79d5f0417f0f36a371536c
https://doi.org/10.1016/j.ijhydene.2011.12.149
https://doi.org/10.1016/j.ijhydene.2011.12.149
Autor:
Yung-Eun Sung, Nak-Hyun Kwon, Yoon-Hwan Cho, Heeman Choe, Ok-Hee Kim, Oh Joong Kwon, Yun Sik Kang, Ju Wan Lim, Yong-Hun Cho, Won-Sub Yoon
Publikováno v:
International Journal of Hydrogen Energy. 37:2490-2497
The durability of membrane electrode assemblies (MEAs) with varying amounts of Pt loading on the cathode of polymer electrolyte membrane fuel cells was investigated using load cycling as an accelerated degradation test (ADT). The single-cell performa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afed60b87c7fbca5d6c514e809b882cf
https://doi.org/10.1016/j.ijhydene.2011.10.115
https://doi.org/10.1016/j.ijhydene.2011.10.115