3 papers
cond-mat.mtrl-sci2023
Revealing compositional evolution of PdAu electrocatalyst by atom probe tomography
Leonardo Shoji Aota, Se-Ho Kim, Chanwon Jung +2
Pd-based electro-catalysts are a key component to improve the methanol oxidation reaction (MOR) kinetics from alcohol fuel cells. However, the performance of such catalysts is degr…
cond-mat.mtrl-sci2023
B dopant evolution in Pd catalysts after H evolution/oxidation reaction in alkaline environment
Se-Ho Kim, Su-Hyun Yoo, Leonardo Shoji Aota +4
Introduction of interstitial dopants has opened a new pathway to optimize nanoparticle catalytic activity for, e.g., hydrogen evolution/oxidation and other reactions. Here, we disc…
cond-mat.mtrl-sci2022
Atomic scale evolution of the surface chemistry in Li[Ni,Mn,Co]O2 cathode for Li-ion batteries stored in air
Mahander P. Singh, Se-Ho Kim, Xuyang Zhou +6
Layered LiMO2 (M = Ni, Co, Mn, and Al mixture) cathode materials used for Li-ion batteries are reputed to be highly reactive through their surface, where the chemistry changes rapi…