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Relation Between Heat-Treatment Temperature and Characteristics of Polyparaphenylene(PPP)-Based Carbon Materials for Lithium Ion Secondary Batteries

Published online by Cambridge University Press:  17 March 2011

Kozo Osawa ,
Tatsuo Nakazawa ,
Kyoich Oshida ,
Morinobu Endo  and
Mildred S. Dresselhaus
Kozo Osawa
Affiliation:
Nagano National College of Technology, 716 Tokuma, Nagano-shi, 381-8550, JAPAN.
Tatsuo Nakazawa
Affiliation:
Nagano National College of Technology, 716 Tokuma, Nagano-shi, 381-8550, JAPAN.
Kyoich Oshida
Affiliation:
Nagano National College of Technology, 716 Tokuma, Nagano-shi, 381-8550, JAPAN.
Morinobu Endo
Affiliation:
Shinshu University, 4-17-1 Wakasato, Nagano-shi, 380-8553, JAPAN.
Mildred S. Dresselhaus
Affiliation:
Masatussets Institute of Technology, Cambridge, MA 02139, USA.
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Abstract

Polyparaphenylene (PPP)-based carbon powder is expected for materials of the negative electrode of the lithium ion secondary batteries. In this study, effects of heat treatment temperature on the PPP materials are investigated by means of electrical and structural measurement. The layer structure of the powder is analyzed in detail by the transmission electron microscope observation combined with digital image processing. Charge-discharge current characteristics, electrical resistivity under pressure and layer structure of the PPP-based carbon powder are measured and discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 699: Symposium R – Electrically Based Microstructural Characterization III , 2001 , R7.5
Copyright
Copyright © Materials Research Society 2002

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References

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