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Development of Rechargeable Lithium-Bromine Batteries with Lithium Ion Conducting Solid Electrolyte

Published online by Cambridge University Press:  30 April 2015

Koshin Takemoto  and
Hirotoshi Yamada
Koshin Takemoto
Affiliation:
Graduate School of Engineering, Nagasaki University, 1-14, Bunkyo-machi, Nagasaki, Japan
Hirotoshi Yamada
Affiliation:
Graduate School of Engineering, Nagasaki University, 1-14, Bunkyo-machi, Nagasaki, Japan
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Abstract

Electrochemical performances of a prototype Lithium-Bromine battery (LBB) employing a solid electrolyte was investigated. It showed the discharge capacity of c.a. 147 mAh/(g-LiBr) for the first cycle, which decreased with repeating charge/discharge cycles. The capacity fading was mainly due to increase of the interfacial resistance between an aqueous active material solution and a solid electrolyte. From the results of symmetric cells and structural analysis of the surface of the solid electrolyte immersed in Br2 solutions, it was suggested that a Li+-depletion layer was formed on the surface of the solid electrolyte by contact with bromine.

Keywords

Brenergy storageLi

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Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1740: Symposium Z – Materials Challenges for Energy Storage across Multiple Scales , 2015 , mrsf14-1740-z09-18
Copyright
Copyright © Materials Research Society 2015 

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References

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