Wonkyung Ra

Experimental and Computational Study of the Electronic Structural Changes in LiTi₂O₄ Spinel Compounds upon Electrochemical Li Insertion Reactions

Wonkyung Ra, Masanobu Nakayama, Yoshiharu Uchimoto et al. · The Journal of Physical Chemistry B · 2004 · 41 citations

Natural Sciences, Chemistry, Materials Science +17

Using X-ray Absorption Spectroscopy to Measure Changes of Electronic Structure Accompanying Lithium Insertion into the Perovskite Type Oxides

Masanobu Nakayama, Kazuomi Imaki, Wonkyung Ra et al. · Chemistry of Materials · 2003 · 23 citations

Natural Sciences, Chemistry, Materials Science +16

Relationship between electrochemical behavior and Li/vacancy arrangement in ramsdellite type Li2+xTi3O7

Woosuk Cho, Tomoaki Kashiwagi, Wonkyung Ra et al. · Electrochimica Acta · 2008 · 22 citations

Natural Sciences, Materials Engineering, Materials Science +16

Electronic and local structural changes in Li_2+xTi₃O₇ramsdellite compounds upon electrochemical Li-ion insertion reactions by X-ray absorption spectroscopy

Wonkyung Ra, Masanobu Nakayama, Woosuk Cho et al. · Physical Chemistry Chemical Physics · 2005 · 21 citations

Natural Sciences, Chemistry, Materials Science +17

Synthesis and electrochemical properties of nonstoichiometric LiAlxMn2−xO4−δ as cathode materials for rechargeable lithium ion battery

Woosuk Cho, Wonkyung Ra, Jun‐ichi Shirakawa et al. · Journal of Solid State Chemistry · 2006 · 18 citations

Natural Sciences, Materials Engineering, Materials Science +14