Rate capability of natural graphite as anode material in Li-ion batteries
2003 (English)In: Journal of Power Sources, ISSN 0378-7753, Vol. 124, no 1, 191-196 p.Article in journal (Refereed) Published
Jet-milled natural Swedish graphite has been evaluated as an anode material for Li-ion battery applications, with a focus on rate capability of the material. The material was found to have a superior rate capability compared to other carbon materials with similar particle sizes. It could also intercalate and deintercalate lithium reversibly in an electrolyte based on propylene carbonate:ethylene carbonate (1:1). Jet-milling was found to increase the amount of rhombohedral phase (3R) in the material from 15 to 40%. However, after repeated electrochemical intercalation and deintercalation of lithium, the amount of 3R phase decreases to ~5%. Neither rate capability nor PC-tolerance can therefore be correlated to the amount of 3R phase.
Place, publisher, year, edition, pages
2003. Vol. 124, no 1, 191-196 p.
IdentifiersURN: urn:nbn:se:uu:diva-90741DOI: 10.1016/S0378-7753(03)00603-7OAI: oai:DiVA.org:uu-90741DiVA: diva2:163200