Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Sanwi Kim"'
Publikováno v:
International Journal of Hydrogen Energy. 42:11644-11653
A significantly challenging issue in polymer electrolyte fuel cells (PEFCs) is the insufficient durability of the membrane electrode assembly (MEA) electrodes caused by crack formation and growth. A decrease in interconnections of the electrical path
Autor:
Jeong Hwan Kim, Han Gil Seo, Hyunseung Kim, Yoon Seok Choi, Bonjae Koo, Taek-Soo Kim, WooChul Jung, Sanghoon Ji, Jongsu Seo, Sanwi Kim
Publikováno v:
Journal of Alloys and Compounds. 835:155347
Thin-film solid oxide fuel cells (TF-SOFCs) using a dense and thin electrolyte have attracted much attention as a promising portable power generator because they can lower the operating temperature of devices, which is a key issue related to conventi
Publikováno v:
Journal of Power Sources. 270:342-348
Although the adhesion between the macro-porous substrate (MPS) and micro-porous layer (MPL) of a gas diffusion layer (GDL) is a critical factor that affects the reliability and durability of proton exchange membrane fuel cells, systematic studies qua
Autor:
Taek-Soo Kim, Sanwi Kim
Publikováno v:
Microelectronics Reliability. 54:833-839
Adhesion and mechanical reliability improvement is an important issue for flexible electronics due to weak bonds between silicon/underfill/polyimide interfaces. These interfaces are bonded with weak hydrogen and ester bonds which are vulnerable to hu
Autor:
Byeong-Heon Jeong, Bo Ki Hong, Sanwi Kim, Jae-Han Kim, Kyung-Lim Jang, Taek-Soo Kim, Jong-Gil Oh
Publikováno v:
ACS applied materialsinterfaces. 8(24)
Fundamental understanding of the mechanical behavior of polymer electrolyte fuel cell electrodes as free-standing materials is essential to develop mechanically robust fuel cells. However, this has been a significant challenge due to critical difficu
Autor:
Taek-Soo Kim, Sanwi Kim
Publikováno v:
Journal of the Microelectronics and Packaging Society. 19:63-69
Department of Mechanical Engineering, KAIST 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Korea(Received September 4, 2012: Corrected September 19, 2012: Accepted September 28, 2012)Abstract: Adhesion and mechanical reliability of silicon/epoxy/polyimi
Publikováno v:
ACS applied materialsinterfaces. 7(11)
Nanoporous platinum electrode thin films were delaminated from yttria-stabilized zirconia (YSZ) substrates via double cantilever beam delamination to reveal the structure located at the interface between electrode and electrolyte. The thermally drive
Autor:
Sanwi Kim, Jae-Han Kim, Jong-Gil Oh, Kyung-Lim Jang, Byeong-Heon Jeong, Bo Ki Hong, Taek-Soo Kim
Publikováno v:
ECS Meeting Abstracts. :1414-1414
Mechanical robustness of polymer electrolyte fuel cell (PEFC) electrodes is essential to keep the performance and to improve the durability. To increase the mechanical robustness, mechanical behavior of PEFC electrodes should be investigated because