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  Y2Ti2O5S2 as a high performance anode material for Li ion batteries

Oki, H., & Takagi, H. (2015). Y2Ti2O5S2 as a high performance anode material for Li ion batteries. Solid State Ionics, 276, 80-83.

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 Creators:
Oki, H., Author
Takagi, H.1, Author           
Affiliations:
1Department Quantum Materials (Hidenori Takagi), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370487              

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 Abstract: The layered oxysulfide Y2Ti2O5S2 (YTOS) is quite promising as a new generation anode material for Li-ion batteries (LIB) for power application. The charge-discharge curve of the YTOS/Li cell indicates that LixY2Ti2O5S has a capacity of 128 mAhg(-1) (509 mAhcm(-3)) and a low voltage to Li/Li+ of 0.84 V. The energy density for YTOS-based LIB is comparable to that of Li4Ti5O12 (LTO) based LIB. The electrical conductivity of LixY2Ti2O5S2 without any carbon additive was 5-50 mScm(-1), orders of magnitude higher than that of LTO. The comparison of rate dependence of capacity between YTO without any carbon additive and LTO with carbon additive suggests excellent power performance of YTOS. (C) 2015 Elsevier B.V. All rights reserved.

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Language(s): eng - English
 Dates: 2015
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Internal
 Identifiers: eDoc: 713707
ISI: 000356192900011
 Degree: -

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Title: Solid State Ionics
Source Genre: Journal
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Pages: - Volume / Issue: 276 Sequence Number: - Start / End Page: 80 - 83 Identifier: ISSN: 0167-2738