Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Ri, Kum-Chol" or (type any "bookEditor journalEditor issueEditor" and editor="Ri, Kum-Chol") Add to list Journal Article A1 Structural and electrochemical trends in mixed manganese oxides Nax(M0.44Mn0.56)O2 (M = Mn, Fe, Co, Ni) for sodium-ion battery cathode Chol-Jun Yu, Yong-Chol Pak, Chung-Hyok Kim, Jin-Song Kim, Kum-Chol Ri, Kwang-Hyok Ri, Song-Hyok Choe and Stefaan Cottenier (UGent) (2021) JOURNAL OF POWER SOURCES. 511.