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Rate capability of lithium intercalation into nano-porous graphitized carbons


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Title: Rate capability of lithium intercalation into nano-porous graphitized carbons
Authors: Yamada, Hirotoshi / Watanabe, Yuko / Moriguchi, Isamu / Kudo, Tetsuichi
Issue Date: 30-Sep-2008
Citation: Solid State Ionics, 179(27-32), pp.1706-1709; 2008
Abstract: Nano-porous graphitized carbons were successfully prepared by using mono-dispersed SiO2 colloidal crystal as a template and mesophase pitch as a carbon source with final heat treatment temperatures (HTT) of 1000–2500 °C. Rate capability of lithium intercalation/de-intercalation of the nano-porous graphitized carbons was investigated. 35–60% of capacities were retained when the current density was increased from 37.2 mA g− 1 to 372 mA g− 1. Electrochemical impedance spectra indicated that formation of SEI layers caused increased polarization.
Keywords: Lithium ion battery / Porous carbon / Graphite
URI: http://hdl.handle.net/10069/16872
ISSN: 01672738
DOI: 10.1016/j.ssi.2008.02.022
Rights: Copyright © 2008 Elsevier B.V. All rights reserved.
Type: Journal Article
Text Version: author
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/16872

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