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Title: Studies on Lithium-Ion Diffusion in Heat-Treated CNBs by Microelectrode Method
Authors: Sano, Atsushi
Kurihara, Masato
Abe, Takeshi  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-1515-8340 (unconfirmed)
Ogumi, Zempachi
Keywords: carbon
diffusion
discharges (electric)
heat treatment
ionic conductivity
lithium
microelectrodes
nanostructured materials
voltammetry (chemical analysis)
Issue Date: 26-May-2009
Publisher: Electrochemical Society
Citation: Atsushi Sano, Masato Kurihara, Takeshi Abe, and Zempachi Ogumi. Studies on Lithium-Ion Diffusion in Heat-Treated CNBs by Microelectrode Method. Journal of The Electrochemical Society. 2009, 156(8), A639-A644.
Journal title: Journal of The Electrochemical Society
Volume: 156
Issue: 8
Start page: A639
End page: A644
Abstract: The ability of lithium-ion diffusion in carbon nanobeads (CNBs) was investigated by the microelectrode method [cyclic voltammetry, constant current charge/discharge, potential step, and potentiostatic intermittent titration technique (PITT)]. CNBs showed high rate discharge capacities of over 1000 C. CNB heat-treated at 1000, 1500, and 2000°C showed a higher charge ability than 2800°C. The lithium-ion diffusion coefficient (DLi+) in CNBs was investigated by PITT. DLi+ was different in the intercalation and deintercalation directions in 1000, 1200, and 1500°C CNBs. DLi+ of the intercalation and the deintercalation showed different potential dependencies. The 1200°C heat-treated CNB showed the highest DLi+ in the direction of intercalation.
Rights: © 2009 The Electrochemical Society
URI: http://hdl.handle.net/2433/109926
DOI(Published Version): 10.1149/1.3138724
Appears in Collections:Journal Articles

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