Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Junsung Ahn"'
Autor:
Ji-Won Son, Kyung Joong Yoon, Dongwook Shin, Junseok Kim, Junsung Ahn, Jong-Ho Lee, Ho-Il Ji, Hae Weon Lee, Jisu Shin
Publikováno v:
Journal of Materials Chemistry A. 7:9958-9967
While solid oxide fuel cells (SOFCs) are considered potent candidates for future power generation systems owing to their high efficiency and fuel flexibility, they are far from being used practically, mainly owing to the high cost of their manufactur
Autor:
Sung Min Choi, Byung-Kook Kim, Ji-Won Son, Kyung Joong Yoon, Ho-Il Ji, Junsung Ahn, Jong-Ho Lee
Publikováno v:
ACS Applied Materials & Interfaces. 10:39608-39614
Degradation of oxygen electrode in reversible solid oxide cells operating in both electrolysis and fuel-cell modes is a critical issue that should be tackled. However, origins and mechanisms thereof have been diversely suggested mainly due to the dif
Autor:
Hari Prasad Dasari, G. Uday Bhaskar Babu, Parvathi Nair, Srikar Medisetti, V. Niveditha, Sunaina S. Patil, Jong-Ho Lee, Irfana Shajahan, Junsung Ahn
Publikováno v:
Materials Chemistry and Physics. 216:136-142
Praseodymium-doped ceria (PDC, Ce0.9Pr0.1O2) electrolyte material for intermediate temperature solid oxide fuel cells (IT-SOFCs) has been successfully synthesised by EDTA-citrate method. From X-Ray diffraction (XRD), fluorite structure along with a c
Autor:
Sungjun Choi, Hyoungchul Kim, Wo Dum Jung, Yong Jun Jang, Sung Min Choi, Hun-Gi Jung, Minjae Jeon, Byoung-In Sang, Ji-Su Kim, Junsung Ahn, Jong-Ho Lee, Jaemin Lim
Publikováno v:
ACS Applied Materials & Interfaces. 10:23740-23747
The composite cathode of an all-solid-state battery composed of various solid-state components requires a dense microstructure and a highly percolated solid-state interface different from that of a conventional liquid-electrolyte-based Li-ion battery
Autor:
Ho-Il Ji, Jung Hoon Park, Jong-Ho Lee, Sanghyeok Lee, Ji-Won Son, Donghwan Kim, Jisu Shin, Byung-Kook Kim, Hae Weon Lee, Jongsup Hong, Hyoungchul Kim, Junsung Ahn, Sung Min Choi, Seung Hwan Lee, Kyung Joong Yoon, Hyegsoon An, Dongwook Shin, Hyojin Kim, Mi Young Park
Publikováno v:
Journal of Materials Chemistry A. 6:15083-15094
Solid oxide fuel cell (SOFC) technology offers tremendous potential for highly efficient and clean power generation. However, its commercialization has lagged owing to the lack of long-term stability. Among the various sources of performance degradat
Autor:
Hyoungchul Kim, Kyung Joong Yoon, Ho-Il Ji, Junsung Ahn, Jong-Ho Lee, Ji-Won Son, Seung Min Han, Jung Hoon Park
Publikováno v:
Journal of The Electrochemical Society. 165:F671-F676
Autor:
Ji-Won Son, Kyung Joong Yoon, Junsung Ahn, Hyoungchul Kim, Byung-Kook Kim, Sungjun Choi, Ho Won Jang, Jong-Ho Lee
Publikováno v:
ACS Applied Materials & Interfaces. 9:42415-42419
We explored oxygen-ion transport in highly doped CeO2 through density-functional theory calculations. By applying biaxial strain to 18.75 mol % CeO2:Gd, we predicted the average migration-barrier energy with six different pathways, with results in go
Autor:
Mansoo Park, Jae-Pyoung Ahn, Jang Yong-Jun, Yoon Sung Lee, Bin-Na Yun, Hyoungchul Kim, Hun-Gi Jung, Sungjun Choi, Jong-Ho Lee, Jaemin Lim, Soo Young Cho, Wo Dum Jung, Ju Young Sung, Junsung Ahn
Publikováno v:
ACS Energy Letters. 2:1740-1745
The development and application of all-solid-state batteries with a fast lithium-ionic conductor are hampered by structural instability and rigid stoichiometry restrictions. Here, we present a family of lithium thiophosphate prototypes with a novel p
Synthesis of GDC electrolyte material for IT-SOFCs using glucose & fructose and its characterization
Autor:
Hari Prasad Dasari, Junsung Ahn, Gautam V. Sabhahit, Srikar Medisetti, Apoorva Goel, Jong-Ho Lee, Sunaina S. Patil, G. Uday Baskar Babu, Yaswanth Bangaru
Publikováno v:
Nano-Structures & Nano-Objects. 11:7-12
Nano-powder of gadolinium-doped-ceria (GDC, Ce 0.9 Gd 0.1 O2) has been synthesized using a novel sol–gel method with glucose and fructose as organic additives. The main objective of the present study is to find the suitability of this synthesis met
Autor:
Asif, Jan, Jisu, Shin, Junsung, Ahn, Sungeun, Yang, Kyung Joong, Yoon, Ji-Won, Son, Hyoungchul, Kim, Jong-Ho, Lee, Ho-Il, Ji
Publikováno v:
RSC advances. 9(46)
Low temperature CO oxidation reaction is known to be facilitated over platinum supported on a reducible cerium oxide. Pt species act as binding sites for reactant CO molecules, and oxygen vacancies on surface of cerium oxide atomically activate the r