Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Chi‐Yeong Ahn"'
Autor:
Seok Mun Kang, Duho Kim, Kug‐Seung Lee, Min‐Seob Kim, Aihua Jin, Jae‐Hyuk Park, Chi‐Yeong Ahn, Tae‐Yeol Jeon, Young Hwa Jung, Seung‐Ho Yu, Junyoung Mun, Yung‐Eun Sung
Publikováno v:
Advanced Science, Vol 7, Iss 16, Pp n/a-n/a (2020)
Abstract A breakthrough utilizing an anionic redox reaction (O2−/On−) for charge compensation has led to the development of high‐energy cathode materials in sodium‐ion batteries. However, its reaction results in a large voltage hysteresis due
Externí odkaz:
https://doaj.org/article/68c1fa2d6b1945f3a71ffa65481f02e1
Publikováno v:
International Journal of Hydrogen Energy.
Autor:
Yong-Hun Cho, Yung-Eun Sung, Oh Joong Kwon, Sungjun Kim, Jong Min Lee, Hyung-Won Shim, Chi-Yeong Ahn, Young-Shik Kim, Hyuck Jae Choi, Sun Young Kang, Ok-Hee Kim
Publikováno v:
International Journal of Hydrogen Energy. 47:1863-1873
Cell reversal is observed when a current load is applied to the polymer electrolyte membrane fuel cell under fuel starvation conditions. Cell reversal causes severe corrosion (or oxidation) of the carbon support in the anode, which leads to a decreas
Autor:
Sungjun Kim, Chi‐Yeong Ahn, Mohanraju Karuppannan, Yung‐Eun Sung, Oh Joong Kwon, Yong‐Hun Cho
Publikováno v:
International Journal of Energy Research. 46:6471-6479
Autor:
Yong-Hun Cho, Oh Joong Kwon, Hyun S. Park, Ji Eun Park, Yung-Eun Sung, Sun Young Kang, Wonchan Hwang, Min Her, Ok-Hee Kim, Sungjun Kim, SungBin Park, Chi-Yeong Ahn
Publikováno v:
Chemical Reviews. 121:15075-15140
A substantial amount of research effort has been directed toward the development of Pt-based catalysts with higher performance and durability than conventional polycrystalline Pt nanoparticles to achieve high-power and innovative energy conversion sy
Publikováno v:
ACS Energy Letters. 6:3195-3202
Publikováno v:
International Journal of Hydrogen Energy. 46:14713-14723
An ideal polymer electrolyte membrane fuel cell (PEMFC) is one that continuously generates electricity as long as hydrogen and oxygen (or air) are supplied to its anode and cathode, respectively. However, internal and/or external conditions could bri
Autor:
Tae Yong Yoo, Euiyeon Jung, Chan Woo Lee, Byoung Hoon Lee, Sung Pyo Cho, Yung-Eun Sung, Chi-Yeong Ahn, Taeghwan Hyeon, Seok Mun Kang, Wytse Hooch Antink, Jae Hyuk Park, Min Seob Kim, Seung Ho Yu, Xiao Wang, Jiheon Kim, Wonjae Ko, Jinsol Bok, Hyeon Seok Lee
Publikováno v:
Journal of the American Chemical Society. 142:13406-13414
Integrated with heat-generating devices, a Li-ion battery (LIB) often operates at 20-40 °C higher than the ordinary working temperature. Although macroscopic investigation of the thermal contribution has shown a significant reduction in the LIB perf
Autor:
Ji Mun Yoo, Minhyoung Kim, Chi-Yeong Ahn, Jiho Kang, Yun Sik Kang, Heejong Shin, Yoon Jun Son, Sung Jong Yoo, Yung-Eun Sung, Jue-Hyuk Jang, Kug-Seung Lee
Publikováno v:
ChemCatChem. 11:5982-5988
Autor:
Ok-Hee Kim, Jong Kwan Kim, Jungsuk Kim, Seugran Yang, Yong-Hun Cho, Mihwa Choi, Hyunjoon Lee, Wonchan Hwang, Choong Kyun Rhee, Woonsup Shin, Yung-Eun Sung, Seung-Hyeon Oh, Chi-Yeong Ahn, Insoo Choi
Publikováno v:
Applied Catalysis B: Environmental. 253:187-195
Formic acid is a chemical with a simple molecular structure containing hydrogen. This liquid at room temperature is easy to handle and has a low toxicity, and is thus in the spotlight as a fuel. In particular, formic acid is an excellent fuel candida