Search Results - "Hong, Seong Ahn"

Chemical and Electronic Effects of Ni in Pt/Ni and Pt/Ru/Ni Alloy Nanoparticles in Methanol Electrooxidation by Park, Kyung-Won, Choi, Jong-Ho, Kwon, Boo-Kil, Lee, Seol-Ah, Sung, Yung-Eun, Ha, Heung-Yong, Hong, Seong-Ahn, Kim, Hongsun, Wieckowski, Andrzej

“…Electrooxidation of methanol in sulfuric acid solution was studied using Pt, Pt/Ni(1:1 and 3:1), Pt/Ru/Ni(5:4:1 and 6:3.5:0.5), and Pt/Ru(1:1) alloy…”
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Polybenzimidazolium-Based Solid Electrolytes by Henkensmeier, Dirk, Kim, Hyoung-Juhn, Lee, Hye-Jin, Lee, Dong Hoon, Oh, In-Hwan, Hong, Seong-Ahn, Nam, Suk-Woo, Lim, Tae-Hoon

“…A series of methyl, benzyl, and mixed polybenzimidazolium halides was synthesised and characterised by NMR spectroscopy. Membranes were formed and ion…”
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Preparation and characterization of Pt nanowire by electrospinning method for methanol oxidation by Kim, Jang Mi, Joh, Han-Ik, Jo, Seong Mu, Ahn, Dong June, Ha, Heung Yong, Hong, Seong-Ahn, Kim, Soo-Kil

“…Pt nanowires are prepared by treating electrospun polyvinyl pyrrolidone (PVP)–Pt composite fibers at high temperatures in an air atmosphere and their…”
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Performance evaluation of passive DMFC single cells by Bae, Byungchan, Kho, Beck Kyun, Lim, Tae-Hoon, Oh, In-Hwan, Hong, Seong-Ahn, Ha, Heung Yong

“…Passive direct methanol fuel cells have been extensively investigated for the effects of methanol concentration, catalyst loading of electrodes, fuel and…”
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Nano-structured Pt–Cr anode catalyst over carbon support, for direct methanol fuel cell by Choi, Jae-Sik, Chung, Won Seob, Ha, Heung Yong, Lim, Tae-Hoon, Oh, In-Hwan, Hong, Seong-Ahn, Lee, Ho-In

“…In this study, several kinds of carbon were used as the support for the Pt-based catalyst of the direct methanol fuel cell (DMFC). Mesoporous carbons with…”
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Investigation of various ionomer-coated carbon supports for direct methanol fuel cell applications by Scibioh, M. Aulice, Oh, In-Hwan, Lim, Tae-Hoon, Hong, Seong-Ahn, Ha, Heung Yong

“…High-performance fuel cell electrodes require architectures that offer appropriate electrochemical and nanoscopic catalytic reaction zones. In this direction,…”
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Phase stabilities in molten Li/K carbonate of efficient matrix materials for molten carbonate fuel cells: thermodynamic calculations and experimental investigations by Patil, Kailash Yashvant, Yoon, Sung Pil, Han, Jonghee, Lim, Tae-Hoon, Nam, Suk Woo, Oh, In-Hwan, Hong, Seong-Ahn

“…In this study, we investigated the thermodynamics and experimental performance of Al, Zr, and Ce species under anode and cathode gas conditions in Li/K…”
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Mechanism of partial oxidation of methane over a nickel-calcium hydroxyapatite catalyst by Jun, Jin Hyuk, Lim, Tae Hoon, Nam, Suk-Woo, Hong, Seong-Ahn, Yoon, Ki June

“…The mechanism of partial oxidation of methane to synthesis gas over a nickel-calcium hydroxyapatite catalyst was studied by employing pulse experiments for the…”
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Influence of the solvent in anode catalyst ink on the performance of a direct methanol fuel cell by Kim, Joon-Hee, Ha, Heung Yong, Oh, In-Hwan, Hong, Seong-Ahn, Lee, Ho-In

“…An optimal preparation method of electrodes has been sought to improve the performance of direct methanol fuel cell (DMFC). The electrodes were prepared with…”
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Sulfonated poly(ether sulfone)-based catalyst binder for a proton-exchange membrane fuel cell by Krishnan, N. Nambi, Kim, Hyoung-Juhn, Jang, Jong Hyun, Lee, Sang-Yeop, Cho, EunAe, Oh, In-Hwan, Hong, Seong-Ahn, Lim, Tae-Hoon

“…Sulfonated poly(ether sulfone) copolymer (PES 60) and its partially fluorinated analogue (F-PES 60) were synthesized via the nucleophilic aromatic…”
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A study on the chemical stability and electrode performance of modified NiO cathodes for molten carbonate fuel cells by Kim, Seung-Goo, Yoon, Sung Pil, Han, Jonghee, Nam, Suk Woo, Lim, Tae Hoon, Oh, In-Hwan, Hong, Seong-Ahn

“…The chemical stabilities of modified NiO cathodes doped with 1.5 mol% CoO and 1.5 mol% LiCoO 2 fabricated by a conventional tape casting method were evaluated…”
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Pt-CeO2/C anode catalyst for direct methanol fuel cells by Scibioh, M. Aulice, Kim, Soo-Kil, Cho, Eun Ae, Lim, Tae-Hoon, Hong, Seong-Ahn, Ha, Heung Yong

“…In order to develop a cheaper and durable catalyst for methanol electrooxidation reaction, ceria (CeO2) as a co-catalytic material with Pt on carbon was…”
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Crosslinked monosulfonated poly(arylene ether) using cyclodimerization of trifluorovinyl ether groups for fuel cell applications by Kim, Byoung Gak, Kim, Hyoung-Juhn, Jang, Jong Hyun, Cho, Eun Ae, Henkensmeier, Dirk, Kim, Soo-Kil, Oh, In-Hwan, Hong, Seong-Ahn, Lim, Tae-Hoon

“…A crosslinker and crosslinkable sulfonated poly(arylene ether)s with trifluorovinyl ether groups were synthesized via reaction of 4‐trifluorovinyloxyphenol for…”
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Characteristics of cathodic polarization at Pt/YSZ interface without the effect of electrode microstructure by Yoon, Sung Pil, Nam, Suk Woo, Kim, Seung-Goo, Hong, Seong-Ahn, Hyun, Sang-Hoon

“…The characteristics of cathodic polarization at the Pt/yttria stabilized zirconia (YSZ) interface have been evaluated with different electrode microstructures…”
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Morphology-controlled synthesis of ternary Pt–Pd–Cu alloy nanoparticles for efficient electrocatalytic oxygen reduction reactions by Ryu, Jaeyune, Choi, Junghun, Lim, Dong-Hee, Seo, Hye-Lin, Lee, Sang-Young, Sohn, Yeonsun, Park, Jin Hoo, Jang, Jong Hyun, Kim, Hyoung-Juhn, Hong, Seong Ahn, Kim, Pil, Yoo, Sung Jong

“…[Display omitted] •Morphology-controlled synthesis of ternary Pt–Pd–Cu alloy nanoparticles was accomplished.•Control over the degree of galvanic substitutions…”
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Characteristics of the Nafion ®-impregnated polycarbonate composite membranes for PEMFCs by Kim, Ki-Hwan, Ahn, Sang-Yeoul, Oh, In-Hwan, Ha, Heung Yong, Hong, Seong-Ahn, Kim, Moon-Sun, Lee, Youngkwan, Lee, Yong-Chul

“…In this work, polycarbonate composite membranes were prepared for proton exchange membrane fuel cells (PEMFCs). In the preparation of membranes, a small amount…”
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Efficient Light Harvesting and Energy Transfer in a Red Phosphorescent Iridium Dendrimer by Cho, Yang-Jin, Hong, Seong Ahn, Son, Ho-Jin, Han, Won-Sik, Cho, Dae Won, Kang, Sang Ook

“…A series of red phosphorescent iridium dendrimers of the type [Ir(btp)2(pic-PC n )] (Ir-G n ; n = 0, 1, 2, and 3) with two 2-(benzo[b]thiophen-2-yl)pyridines…”
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Poly(arylene ether sulfone) with tetra(quaternary ammonium) moiety in the polymer repeating unit for application in solid alkaline exchange membrane fuel cells by JIEUN CHOI, BYUN, Young-Jun, SO YOUNG LEE, JONG HYUN JANG, HENKENSMEIER, Dirk, SUNG JONG YOO, HONG, Seong-Ahn, KIM, Hyoung-Juhn, SUNG, Yung-Eun, PARK, Jin-Soo

“…Poly(arylene ether sulfone)s with tetra(quaternary ammonium) hydroxide groups in the repeating unit of the polymer main chain were prepared for solid alkaline…”
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Partial oxidation of n-butane over ceria-promoted nickel/calcium hydroxyapatite by Kwak, Jung Hun, Lee, Sang Yup, Nam, Suk-Woo, Lim, Tae Hoon, Hong, Seong-Ahn, Yoon, Ki June

“…LPG has good infrastructure and is anticipated to be used for production of hydrogen, and n-butane which constitutes a main component of LPG for vehicles…”
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Direct formic acid fuel cell portable power system for the operation of a laptop computer by Miesse, Craig M., Jung, Won Suk, Jeong, Kyoung-Jin, Lee, Jae Kwang, Lee, Jaeyoung, Han, Jonghee, Yoon, Sung Pil, Nam, Suk Woo, Lim, Tae-Hoon, Hong, Seong-Ahn

“…A direct formic acid fuel cell (DFAFC) hybrid power system for a laptop computer has been developed at the Korea Institute of Science and Technology, Fuel Cell…”
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