Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Yung-Eun Sung"'
Autor:
Ju-Wan Lim, Yung-Eun Sung, Yoon-Hwan Cho, Yun-Sik Kang, Minjeh Ahn, Yong-Hun Cho, Dong Young Chung, Namgee Jung
Publikováno v:
Journal of the Korean Electrochemical Society. 15:109-114
고분자전해질 연료전지 (PEMFC)의 공기극을 양극산화 알루미늄 (AAO) 템플레이트를 이용하여제조하고 촉매층의 구조적 특성을 주사현미경 (SEM) 측정과 BET (Brunauer-Emmett-Teller)분석을 통해 알아
Publikováno v:
Journal of the Korean Electrochemical Society. 12:251-257
In this study, we fabricated nickel oxide thin film for lithium based electrolyte using sol-gel method. This film was deposited by dip-coating method with mixed solvent of DameH (N,N-dimethylaminoethanol) and DI water. As changing the ratio between D
Autor:
Chong Nam Chu, Yong-Hun Cho, Min-Soo Park, Se-Won Lee, Yung-Eun Sung, Kang-In Lee, Yoon-Hwan Cho
Publikováno v:
Journal of the Korean Electrochemical Society. 12:61-67
Flow-field design has much influence over the performance of proton exchange membrane fuel cell (PEMFC) because it affects the pressure magnitude and distribution of the reactant gases. To obtain the pressure magnitude and distribution of reactant ga
Publikováno v:
Journal of the Korean Electrochemical Society. 12:11-25
Fuel cells are expected to be one of the major clean new energy sources in the near future. However, the slow kinetics of electrocatalytic hydrogen oxidation reaction (HOR) and oxygen reduction reaction (ORR), and the high loading of Pt for the anode
Publikováno v:
Journal of the Korean Electrochemical Society. 11:141-146
Electrocatalytic activities and stabilities of Pt supported on Sb-doped (ATO) were examined for ethanol oxidation reactions. Pt colloidal particles were deposited on ATO nanoparticles (Pt/ATO) and the prepared electrocatalysts were characterized by X
Publikováno v:
Journal of the Korean Electrochemical Society. 10:257-261
The electronic properties of quantum dots can be tuned by changing the size of particles without any change in their chemical composition. CdSe quantum dots, the sizes of which were controlled by changing the concentrations of Cd and Se precursors, w
Publikováno v:
Journal of the Korean Electrochemical Society. 10:279-282
When reformer for fuel cell is used, CO in hydrogen gas leads to a seriously decreased membrane electrode assembly (MEA) performance by catalyst poisoning. The effect of CO on performance of modified MEA by sputtering method is studied in this paper.
Publikováno v:
Journal of the Korean Electrochemical Society. 5:226-231
Power densities produced by the permeation of methanol through membranes were directly measured by inserting the membrane in front of anode in a membrane-electrode-assembly of a direct methanol fuel cell (DMFC). The power density was closely related