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Title: Lithium titanate hydrates with superfast and stable cycling in lithium ion batteries

Abstract

Lithium titanate and titanium dioxide are two best-known high-performance electrodes that can cycle around 10,000 times in aprotic lithium ion electrolytes. Here we show there exists more lithium titanate hydrates with superfast and stable cycling. That is, water promotes structural diversity and nanostructuring of compounds, but does not necessarily degrade electrochemical cycling stability or performance in aprotic electrolytes. As a lithium ion battery anode, our multi-phase lithium titanate hydrates show a specific capacity of about 130 mA h g –1 at ~35 C (fully charged within ~100 s) and sustain more than 10,000 cycles with capacity fade of only 0.001% per cycle. In situ synchrotron diffraction reveals no 2-phase transformations, but a single solid-solution behavior during battery cycling. Here, so instead of just a nanostructured intermediate to be calcined, lithium titanate hydrates can be the desirable final destination.

Authors:
 [1];  [2];  [3];  [2];  [4];  [4];  [4];  [4];  [2];  [2];  [4];  [2]; ORCiD logo [4]; ORCiD logo [3]
  1. Tsinghua Univ., Beijing (China); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. Tsinghua Univ., Beijing (China)
  3. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  4. Argonne National Lab. (ANL), Lemont, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
National Natural Science Foundation of China (NNSFC); Ministry of Education of the People's Republic of China; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
OSTI Identifier:
1462488
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 8; Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Wang, Shitong, Quan, Wei, Zhu, Zhi, Yang, Yong, Liu, Qi, Ren, Yang, Zhang, Xiaoyi, Xu, Rui, Hong, Ye, Zhang, Zhongtai, Amine, Khalil, Tang, Zilong, Lu, Jun, and Li, Ju. Lithium titanate hydrates with superfast and stable cycling in lithium ion batteries. United States: N. p., 2017. Web. doi:10.1038/s41467-017-00574-9.
Wang, Shitong, Quan, Wei, Zhu, Zhi, Yang, Yong, Liu, Qi, Ren, Yang, Zhang, Xiaoyi, Xu, Rui, Hong, Ye, Zhang, Zhongtai, Amine, Khalil, Tang, Zilong, Lu, Jun, & Li, Ju. Lithium titanate hydrates with superfast and stable cycling in lithium ion batteries. United States. doi:10.1038/s41467-017-00574-9.
Wang, Shitong, Quan, Wei, Zhu, Zhi, Yang, Yong, Liu, Qi, Ren, Yang, Zhang, Xiaoyi, Xu, Rui, Hong, Ye, Zhang, Zhongtai, Amine, Khalil, Tang, Zilong, Lu, Jun, and Li, Ju. Wed . "Lithium titanate hydrates with superfast and stable cycling in lithium ion batteries". United States. doi:10.1038/s41467-017-00574-9. https://www.osti.gov/servlets/purl/1462488.
@article{osti_1462488,
title = {Lithium titanate hydrates with superfast and stable cycling in lithium ion batteries},
author = {Wang, Shitong and Quan, Wei and Zhu, Zhi and Yang, Yong and Liu, Qi and Ren, Yang and Zhang, Xiaoyi and Xu, Rui and Hong, Ye and Zhang, Zhongtai and Amine, Khalil and Tang, Zilong and Lu, Jun and Li, Ju},
abstractNote = {Lithium titanate and titanium dioxide are two best-known high-performance electrodes that can cycle around 10,000 times in aprotic lithium ion electrolytes. Here we show there exists more lithium titanate hydrates with superfast and stable cycling. That is, water promotes structural diversity and nanostructuring of compounds, but does not necessarily degrade electrochemical cycling stability or performance in aprotic electrolytes. As a lithium ion battery anode, our multi-phase lithium titanate hydrates show a specific capacity of about 130 mA h g–1 at ~35 C (fully charged within ~100 s) and sustain more than 10,000 cycles with capacity fade of only 0.001% per cycle. In situ synchrotron diffraction reveals no 2-phase transformations, but a single solid-solution behavior during battery cycling. Here, so instead of just a nanostructured intermediate to be calcined, lithium titanate hydrates can be the desirable final destination.},
doi = {10.1038/s41467-017-00574-9},
journal = {Nature Communications},
number = 1,
volume = 8,
place = {United States},
year = {2017},
month = {9}
}

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Cited by: 15 works
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Works referenced in this record:

Nanoionics: ion transport and electrochemical storage in confined systems
journal, November 2005

  • Maier, J.
  • Nature Materials, Vol. 4, Issue 11, p. 805-815
  • DOI: 10.1038/nmat1513