Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Jongsup Hong"'
Autor:
Kyungpyo Hong, Mingi Choi, Yonggyun Bae, Jihong Min, Jaeyeob Lee, Donguk Kim, Sehee Bang, Han-Koo Lee, Wonyoung Lee, Jongsup Hong
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-9 (2023)
Abstract Direct methane protonic ceramic fuel cells are promising electrochemical devices that address the technical and economic challenges of conventional ceramic fuel cells. However, Ni, a catalyst of protonic ceramic fuel cells exhibits sluggish
Externí odkaz:
https://doaj.org/article/39a6e06fa83c4813ad86ab12e9a2c4db
Autor:
Seongkook Oh, Min Jun Oh, Jongsup Hong, Kyung Joong Yoon, Ho-Il Ji, Jong-Ho Lee, Hyungmook Kang, Ji-Won Son, Sungeun Yang
Publikováno v:
iScience, Vol 25, Iss 9, Pp 105009- (2022)
Summary: Ammonia is a promising carbon-free hydrogen carrier. Owing to their nickel-rich anodes and high operating temperatures, solid oxide fuel cells (SOFCs) can directly utilize NH3 fuel—direct-ammonia SOFCs (DA-SOFCs). Lowering the operating te
Externí odkaz:
https://doaj.org/article/46c4f1f49b874aa78860bf8525640c3b
Publikováno v:
Materials, Vol 14, Iss 21, p 6460 (2021)
The purpose of this work was to examine the effect of tensile stress on the oxide properties of a nickel-based Alloy 600 that was exposed to simulated nuclear steam generator water at 340 °C for 1000 h. The size of the outer oxide particles increase
Externí odkaz:
https://doaj.org/article/624610e7cf2749ba91de5a32d3a55039
Autor:
Kiho Bae, Dong Young Jang, Hyung Jong Choi, Donghwan Kim, Jongsup Hong, Byung-Kook Kim, Jong-Ho Lee, Ji-Won Son, Joon Hyung Shim
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-9 (2017)
Protonic ceramic fuel cells are promising for energy applications, but maintaining high performance with long-term stability is an issue. Here the authors use a stable yttrium-doped barium zirconate electrolyte, achieving a power output one order of
Externí odkaz:
https://doaj.org/article/9f9a5301bec740c5970e8a150c8dd534
Autor:
Hae-Weon Lee, Mansoo Park, Jongsup Hong, Hyoungchul Kim, Kyung Joong Yoon, Ji-Won Son, Jong-Ho Lee, Byung-Kook Kim
Publikováno v:
Materials, Vol 9, Iss 8, p 675 (2016)
Solid oxide fuel cells (SOFCs) are inevitably affected by the tensile stress field imposed by the rigid substrate during constrained sintering, which strongly affects microstructural evolution and flaw generation in the fabrication process and subseq
Externí odkaz:
https://doaj.org/article/9aab831bd088461196432a8a80262142
Autor:
Wooseok Lee, Jongsup Hong
Publikováno v:
ECS Transactions. 111:517-523
Solid oxide fuel cells (SOFC) have been spotlighted as eco-friendly energy sources due to their various advantages, but performance degradation occurring in high-temperature operations and hydrocarbon-based fuel conditions have become obstacles to co
Autor:
Saeyoung Choi, Jongsup Hong
Publikováno v:
ECS Transactions. 111:1203-1208
The purpose of this study is to explain the basis of thermal integration and to investigate the effects of internal and external thermal integration on the whole system performance. The basic concept of the thermal integration of SOEC system is prese
Publikováno v:
ECS Transactions. 111:2097-2102
This work focuses on the fuel characteristic of the Solid Oxide Fuel Cell (SOFC) system. Three types of fuel have been considered and two type of the SOFC system layout have been analyzed with in-house SOFC system simulator (H-Twin). In the case of n
Autor:
Michael Lang, Young-sang Lee, In-sung Lee, Patric Szabo, Jongsup Hong, Joonhoon Cho, Rémi Costa
Publikováno v:
ECS Transactions. 111:181-193
The present paper focusses on the detailed analysis and discussion of degradation phenomena of two SOC stacks during galvanostatic steady-state SOFC and reversible SOFC/SOEC cycling operation. The stacks with ASCs of Elcogen (Estonia) were fabricated
Publikováno v:
International Journal of Energy Research. 46:11228-11249