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High rate capability of carbon nanofilaments with platelet structure as anode materials for lithium ion batteries
| Title: | High rate capability of carbon nanofilaments with platelet structure as anode materials for lithium ion batteries |
| Authors: | Habazaki, H. Browse this author →KAKEN DB | | Kiriua, M. Browse this author | | Konno, H. Browse this author |
| Keywords: | Carbon nanofilaments | | Platelet structure | | Lithium ion battery | | Rate capability | | Intercalation reaction |
| Issue Date: | Aug-2006 |
| Publisher: | Elsevier B.V. |
| Journal Title: | Electrochemistry Communications |
| Volume: | 8 |
| Issue: | 8 |
| Start Page: | 1275 |
| End Page: | 1279 |
| Publisher DOI: | 10.1016/j.elecom.2006.06.012 |
| Abstract: | Carbon nanofilaments (CNFs) with platelet structure have been prepared by liquid phase carbonization using porous anodic alumina template, and their lithium ion insertion/extraction properties have been examined as a function of heat treatment temperature and filament diameter. The CNFs heat-treated at 1000 °C reveal higher capacitance and higher rate capability compared with those heat-treated at higher temperatures. Further, it is found that higher reversible capacity is obtained for the CNFs with reduced diameter. The reversible capacity of highly graphitized CNFs formed at 2800 °C is less than 200 mA h g−1 at a current density of 50 mA g−1, being far lower than the theoretical capacity (372 mA h g−1) of graphite. A probable reason is the presence of loop at the edge of graphene layers. |
| Relation: | http://www.sciencedirect.com/science/journal/13882481 |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/14662 |
| Appears in Collections: | 工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 幅崎 浩樹
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