Advanced Energy Materials, volume 6, issue 8, pages 1501590

Electrochemical Stability of Li10GeP2S12 and Li7La3Zr2O12 Solid Electrolytes

Publication typeJournal Article
Publication date2016-01-21
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor27.8
ISSN16146832, 16146840
General Materials Science
Renewable Energy, Sustainability and the Environment
Abstract
The electrochemical stability window of solid electrolyte is overestimated by the conventional experimental method using a Li/electrolyte/inert metal semiblocking electrode because of the limited contact area between solid electrolyte and inert metal. Since the battery is cycled in the overestimated stability window, the decomposition of the solid electrolyte at the interfaces occurs but has been ignored as a cause for high interfacial resistances in previous studies, limiting the performance improvement of the bulk‐type solid‐state battery despite the decades of research efforts. Thus, there is an urgent need to identify the intrinsic stability window of the solid electrolyte. The thermodynamic electrochemical stability window of solid electrolytes is calculated using first principles computation methods, and an experimental method is developed to measure the intrinsic electrochemical stability window of solid electrolytes using a Li/electrolyte/electrolyte‐carbon cell. The most promising solid electrolytes, Li10GeP2S12 and cubic Li‐garnet Li7La3Zr2O12, are chosen as the model materials for sulfide and oxide solid electrolytes, respectively. The results provide valuable insights to address the most challenging problems of the interfacial stability and resistance in high‐performance solid‐state batteries.

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GOST |
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GOST Copy
Han F. et al. Electrochemical Stability of Li10GeP2S12 and Li7La3Zr2O12 Solid Electrolytes // Advanced Energy Materials. 2016. Vol. 6. No. 8. p. 1501590.
GOST all authors (up to 50) Copy
Han F., Zhu Y., He X., Mo Y., Wang C. Electrochemical Stability of Li10GeP2S12 and Li7La3Zr2O12 Solid Electrolytes // Advanced Energy Materials. 2016. Vol. 6. No. 8. p. 1501590.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1002/aenm.201501590
UR - https://doi.org/10.1002/aenm.201501590
TI - Electrochemical Stability of Li10GeP2S12 and Li7La3Zr2O12 Solid Electrolytes
T2 - Advanced Energy Materials
AU - Zhu, Yizhou
AU - Han, Fudong
AU - He, Xingfeng
AU - Mo, Yifei
AU - Wang, ChunSheng
PY - 2016
DA - 2016/01/21 00:00:00
PB - Wiley
SP - 1501590
IS - 8
VL - 6
SN - 1614-6832
SN - 1614-6840
ER -
BibTex |
Cite this
BibTex Copy
@article{2016_Han,
author = {Yizhou Zhu and Fudong Han and Xingfeng He and Yifei Mo and ChunSheng Wang},
title = {Electrochemical Stability of Li10GeP2S12 and Li7La3Zr2O12 Solid Electrolytes},
journal = {Advanced Energy Materials},
year = {2016},
volume = {6},
publisher = {Wiley},
month = {jan},
url = {https://doi.org/10.1002/aenm.201501590},
number = {8},
pages = {1501590},
doi = {10.1002/aenm.201501590}
}
MLA
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MLA Copy
Han, Fudong, et al. “Electrochemical Stability of Li10GeP2S12 and Li7La3Zr2O12 Solid Electrolytes.” Advanced Energy Materials, vol. 6, no. 8, Jan. 2016, p. 1501590. https://doi.org/10.1002/aenm.201501590.
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