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All Solid-State Batteries Using Super Ionic Conductor, Thio-Lisicon – Electrode/Electrolyte interfacial Design

Published online by Cambridge University Press:  01 February 2011

Takesh Kobayashi ,
Taro Inada ,
Noriyuki Sonoyama ,
Atsuo Yamada  and
Ryoji Kanno
Takesh Kobayashi
Affiliation:
Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, Nagatsuta, Midori, Yokohama, 226–8502, Japan
Taro Inada
Affiliation:
Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, Nagatsuta, Midori, Yokohama, 226–8502, Japan Research Center, Denki Kagaku Kogyo K. K., Asahi-machi, Machida, Tokyo, 194–8560, Japan
Noriyuki Sonoyama
Affiliation:
Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, Nagatsuta, Midori, Yokohama, 226–8502, Japan
Atsuo Yamada
Affiliation:
Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, Nagatsuta, Midori, Yokohama, 226–8502, Japan
Ryoji Kanno*
Affiliation:
Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, Nagatsuta, Midori, Yokohama, 226–8502, Japan
*
* E-mail address: kanno@echem.titech.ac.jp
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Abstract

All solid-state ceramic lithium battery was studied using a composite anode, the thio-LISICON (Li3.25Ge0.25P0.75S4) solid electrolyte, and the Chevrel phase cathode. The nano-composite of cathode configuration reduced the interfacial resistance and provided fast-charge transfer at the interface. The self-assembled solid-electrolyte interfacial (SEI) phase was formed at the Li-Al/SE interface, while no formation was observed at the Li-In/SE interface. The SEI phase reduced the interfacial resistance and provided high charge-discharge characteristics. The all solid-state cell showed high current density of 1.3C rate and is a promising candidate for future lithium battery system.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 835: Symposium K – Solid-State Ionics , 2004 , K11.1
Copyright
Copyright © Materials Research Society 2005

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References

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