Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
ISSN-L : 1344-3542
Communications
In-situ Measurement of Electrode Thickness Change during Charge and Discharge of a Large Capacity SiO Anode
Takuhiro MIYUKIYasue OKUYAMAToshikatsu KOJIMATetsuo SAKAI
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JOURNALS OPEN ACCESS

2012 Volume 80 Issue 6 Pages 405-408

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Abstract

Thickness change of large capacity SiO anode was evaluated through in-situ measurement of a laminate type cell during charge and discharge. The change of a counter electrode thickness was eliminated from the measurement of cell thickness, because the counter electrode was accommodated in a space in a hard separator. At first charge SiO anode gained its thickness by 38.9%. Volume changes of each component of anode such as active material, conductive additive, binder and pore were evaluated. It was found that with large volume change of SiO there was also a large pore volume change in the SiO anode.

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© 2012 The Electrochemical Society of Japan
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