Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Ghun Sik Kim"'
Autor:
Grazia Accardo, Hyung Chul Ham, Yong Soo Cho, Hyun Woo Kim, Sung Pil Yoon, Seong Cheol Jang, Ghun Sik Kim, Jae Kwan Bae
Publikováno v:
International Journal of Hydrogen Energy. 44:25930-25938
Molten carbonate fuel cells (MCFCs) are regarded as the closest fuel cell to commercialization due to their high capacity and energy efficiency. However, they are operated at a high temperature (620 °C or higher), where liquid electrolyte loss occur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c91cbbdf3329b5a592597835b59d1292
https://doi.org/10.1016/j.ijhydene.2019.08.050
https://doi.org/10.1016/j.ijhydene.2019.08.050
Publikováno v:
International Journal of Hydrogen Energy. 44:12138-12150
Lithium-gadolinium-doped ceria electrolytes (2–5 mol% of lithium) are prepared by fast and reliable one-pot sol gel combustion synthesis and sintered at low temperature. The aim is to improve the microstructure, electrochemical and power generation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e6cd12918e75bdb75b15082dd4e5caf
https://doi.org/10.1016/j.ijhydene.2019.03.052
https://doi.org/10.1016/j.ijhydene.2019.03.052
Publikováno v:
Journal of Power Sources. 423:305-315
The catalytic partial oxidation of methane is evaluated over a Rh (2–15 mol%)-doped Sr0.92Y0.08TiO3-δ (SYT) perovskite-based catalyst prepared by the Pechini method for fuel-cell applications. The Rh dopant replaces titanium in the SYT catalyst, r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91ed76b7bd65f608e8ec402161634f41
https://doi.org/10.1016/j.jpowsour.2019.03.082
https://doi.org/10.1016/j.jpowsour.2019.03.082
Autor:
Suk Woo Nam, Jonghee Han, Jooho Moon, Hyung Chul Ham, Ghun Sik Kim, Byung-Yong Lee, Sung Pil Yoon
Publikováno v:
International Journal of Hydrogen Energy. 44:202-212
Biofuels such as sewage gas and landfill gas, which can be used as fuels in solid oxide fuel cells, have suitable composition of CH4 and CO2 for dry reforming. We developed an Sr0.92Y0.08Ti1−xRuxO3−d material as an anode for solid oxide fuel cell
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20373c28ebdaf5b2250f6341bed1c410
https://doi.org/10.1016/j.ijhydene.2018.03.116
https://doi.org/10.1016/j.ijhydene.2018.03.116
Autor:
Ghun Sik Kim, Jonghee Han, Suk Woo Nam, Hyung Chul Ham, Joo Hyeng Oh, Byeong Wan Kwon, Sung Pil Yoon
Publikováno v:
Applied Energy. 227:213-219
In this study, novel perovskite-type Sr0.92Y0.08TiO3-based catalysts were investigated for hydrogen production by the dry reforming of biogas (comprising CH4 and CO2). Ni-doped Sr0.92Y0.08TiO3 catalysts with improved catalytic activity were grown usi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90bad094bd86013a32b2e38660c60c39
https://doi.org/10.1016/j.apenergy.2017.07.105
https://doi.org/10.1016/j.apenergy.2017.07.105
Autor:
Kwang Ho Song, Hyunmi Doh, Hyung Chul Ham, Jonghee Han, Junyoung Cha, Sung Pil Yoon, Suk Woo Nam, Ghun Sik Kim, Hyo Young Kim, Chang Won Yoon, Hyun S. Park
Publikováno v:
ACS Sustainable Chemistry & Engineering. 5:9370-9379
In order to screen potential catalytic materials for synthesis and decomposition of ammonia, a series of ABO3 perovskite materials, Sr1–xYxTi1–yRuyO3−δ (x = 0, 0.08, and 0.16; y = 0, 0.04, 0.07, 0.12, 0.17, and 0.26) were synthesized and teste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cfa40b11f8063644a26f46a06fb27d2
https://doi.org/10.1021/acssuschemeng.7b02402
https://doi.org/10.1021/acssuschemeng.7b02402
Publikováno v:
Ceramics International. 43:10450-10459
A densification process based on chemical/electrochemical vapor deposition (CVD/EVD) was successfully performed to produce a dense and gas-tight YSZ electrolyte on a metal support for solid oxide fuel cell applications. Micro Ni/YSZ (7:3 wt%) was dep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5d1673abd8ea1012fcdbc54837beccc
https://doi.org/10.1016/j.ceramint.2017.05.085
https://doi.org/10.1016/j.ceramint.2017.05.085
Autor:
Byeong Wan Kwon, Joo Hyeng Oh, Ghun Sik Kim, Suk Woo Nam, Hyung Chul Ham, Sung Pil Yoon, Jonghee Han, Seong Cheol Jang
Publikováno v:
Energy Procedia. 105:1942-1947
This study deals with the development of novel Sr0.92Y0.08TiO3 – based catalyst for H2 production from reforming biogas (consisted of CH4 and CO2). The small amount of Ni was doped on the Ti lattice site of Sr0.92Y0.08TiO3 to greatly improve cataly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf9244f637476b94308b1cd45fab2f87
https://doi.org/10.1016/j.egypro.2017.03.564
https://doi.org/10.1016/j.egypro.2017.03.564
Autor:
Hyung Chul Ham, Suk Woo Nam, Yong Gun Shul, Jeong Woo Yun, Jonghee Han, Jong Hyun Jang, Sung Pil Yoon, Hee Su Kim, Ghun Sik Kim
Publikováno v:
Ceramics International. 40:8237-8244
The effects of palladium (Pd) on Sm 0.2 Ce 0.8 O 2−δ coated Sr 0.92 Y 0.08 TiO 3−δ (SDC/SYT) anodes were investigated for H 2 and CH 4 fuels. The electrochemical oxidations of both H 2 and CH 4 were accelerated by Pd impregnation. Moreover, Pd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc0a4e01ee33db651e25681f4315a5ea
https://doi.org/10.1016/j.ceramint.2014.01.021
https://doi.org/10.1016/j.ceramint.2014.01.021
Publikováno v:
Korean Journal of Metals and Materials. 51:529-534
ZnO nanorods were grown by a hydrothermal method on ZnO seed layers that had previously been prepared from solutions containing various precursor concentrations. The effects of the ZnO seed layers prepared with various precursor concentrations on the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b731462a1ca25cbbcfeaf269bfd301fa
https://doi.org/10.3365/kjmm.2013.51.7.529
https://doi.org/10.3365/kjmm.2013.51.7.529