Li+ intercalation in isostructural Li2VO3 and Li2VO2F with O2- and mixed O2-/F- anionsChen, Ruiyong; Ren, Shuhua; Yavuz, Murat; Guda, Alexander A.; Shapovalov, Viktor; Witter, Raiker; Fichtner, Maximilian; Hahn, ForstPhysical chemistry chemical physics2015 / p. 17288-17295 : ill http://dx.doi.org/10.1039/C5CP02505B