18 Papers
184 Citations
Ih. Oh is an academic researcher from Korea Institute of Science and Technology. The author has contributed to research in topics: Proton exchange membrane fuel cell & Membrane. The author has an hindex of 12, co-authored 18 publications.
Chat about Author
Papers
A study on hydrogen generation from NaBH4 solution using the high-performance Co-B catalyst
Seong Uk Jeong,R.K. Kim,EunAe Cho,Hyung-Juhn Kim,Sang-Jip Nam,Ih. Oh,Seung-Ah Hong,Sung Hyun Kim +7 more
TL;DR: In this paper, the Co-B catalyst was used for hydrogen generation from an aqueous alkaline NaBH 4 solution, and the activation energy for the hydrogen generation reaction was measured to be 64.87 kJ/mol −1.
378
Surface structural change of ZnO-coated LiNi0.5Mn1.5O4 spinel as 5 V cathode materials at elevated temperatures
TL;DR: LiNi 0.5 Mn 1.5 O 4 powder was synthesized via sol-gel method and coated with ZnO in order to test the electrochemical cyclability of the material as a cathode for the secondary Li battery in the 5 V range at 55°C.
132
Effect of preparation method on Co-B catalytic activity for hydrogen generation from alkali NaBH4 solution
TL;DR: In this paper, the authors examined the properties of a Co-B catalyst prepared using different precursors (CoCl 2 and CoSO 4 ) and NaBH 4 / Co 2 + mole ratios (0.67, 1.5, 3) at calcination temperatures of 130, 250 and 450 ∘ C.
121
Modification of polymer electrolyte membranes for DMFCs using Pd films formed by sputtering
TL;DR: In this paper, composite polymer electrolyte membranes were fabricated by depositing Pd films on the surface of Nafion™ membranes by sputtering, and the modified membranes were investigated for their morphologies, methanol permeabilities, protonic conductivities and performances for direct methanoline fuel cells (DMFCs).
113
Effects of MEA fabrication method on durability of polymer electrolyte membrane fuel cells
TL;DR: In this article, the effects of fabrication methods on the durability of polymer electrolyte membrane fuel cells (PEMFCs), membrane-electrode assemblies (MEAs) were fabricated using a conventional method, a catalyst-coated membrane (CCM) method, and a CCM-hot pressed method.
105