학술논문

Lithium insertion behaviour of manganese or molybdenum substituted Li.sub.1 + x V.sub.3O.sub.8
Document Type
Academic Journal
Source
Journal of Power Sources. Oct, 1997, Vol. 68 Issue 2, p680, 6 p.
Subject
Manganese
Molybdenum
Language
English
ISSN
0378-7753
Abstract
To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/S0378-7753(96)02596-7 Byline: Jin Kawakita, Hirono Katagiri, Takashi Miura, Tomiya Kishi Abstract: Mn(IV) or Mo(VI) substituted single-phase compounds having a nominal composition Li.sub.1 + y Mn.sub.y V.sub.3 - y O.sub.8 (0 < y < 0.1) and LiMo.sub.y V.sub.3 - y O.sub.8 (0 < y < 0.3), respectively, have been obtained by solid-state reaction. Electrochemical measurements revealed different influences of substitution on the lithium insertion behaviours. While substitution of V(V) with Mn(IV) and introduction of Li(I) into the interlayer decrease the insertion limit of lithium, substitution of V(V) with Mo(VI) shows a featureless discharge curve without changing the insertion limit. The ionic sites available for Li.sup.+ occupation between the layers rather than the electronic sites offered by V(V) are considered to determine the insertion limits of lithium into Li.sub.1 + x V.sub.3O.sub.8. Author Affiliation: Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi 3-14-1, Kohoku-ku, Yokohama 223, Japan Article History: Accepted 14 November 1996