Kyu Taek Cho
Lawrence Berkeley National Laboratory
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Publication
Featured researches published by Kyu Taek Cho.
Physical Chemistry Chemical Physics | 2012
Kyu Taek Cho; Matthew M. Mench
In this study, the high resolution hydrogen-deuterium contrast radiography method was applied to elucidate the impact of the micro-porous layer (MPL) on water distribution in the porous fuel cell media. At the steady state, deuterium replaced hydrogen in the anode stream, and the large difference in neutron attenuation of the D(2)O produced at the cathode was used to track the produced water. It was found that the water content peaked in the cathode-side diffusion media (DM) for the cell without MPL, but with an MPL on the anode and cathode DM, the peak water amount was pushed toward the anode, resulting in a relatively flattened water profile through components and demonstrating a liquid barrier effect. Additionally, the dynamic water behavior in diffusion media was analyzed to understand the effect of a MPL and operating conditions. The water content in the DM changed with applied current, although there is a significant amount of residual liquid content that does not appear to be part of capillary channels. The effect of the MPL on irreducible saturation in DM and cell performance was also investigated.
Journal of The Electrochemical Society | 2012
Kyu Taek Cho; Paul Ridgway; Adam Z. Weber; Sophia Haussener; Vincent S. Battaglia; Venkat Srinivasan
Energy technology | 2013
Kyu Taek Cho; Paul Albertus; Vincent S. Battaglia; Aleksandar Kojic; Venkat Srinivasan; Adam Z. Weber
ChemPlusChem | 2015
Kyu Taek Cho; Michael C. Tucker; Markus S Ding; Paul Ridgway; Vincent S. Battaglia; Venkat Srinivasan; Adam Z. Weber
Journal of Applied Electrochemistry | 2015
Michael C. Tucker; Kyu Taek Cho; Adam Z. Weber; Guangyu Lin; Trung Van Nguyen
Solid State Ionics | 2013
Ahmet Kusoglu; Kyu Taek Cho; Rafael A. Prato; Adam Z. Weber
Journal of Power Sources | 2015
Michael C. Tucker; Kyu Taek Cho; Franz B. Spingler; Adam Z. Weber; Guangyu Lin
Journal of Power Sources | 2014
Michael C. Tucker; Kyu Taek Cho; Adam Z. Weber
Journal of Power Sources | 2015
Edward Knudsen; P. Albertus; Kyu Taek Cho; Adam Z. Weber; Aleksander Kojic
Archive | 2004
Kyu Taek Cho; Soo Whan Kim; Woon Bong Hwang; Ji Hoon Jeon