ACS applied materials & interfaces, volume 9, issue 15, pages 13694-13702

Suppression of Lithium Dendrite Formation by Using LAGP-PEO (LiTFSI) Composite Solid Electrolyte and Lithium Metal Anode Modified by PEO (LiTFSI) in All-Solid-State Lithium Batteries.

Chunhua Wang 1
Yifu Yang 1
Xingjiang Liu 2
Hai Zhong 2
Han Xu 2
Zhibin Xu 2
Huixia Shao 1
Fei Ding 2
2
 
National Key Lab of Power Sources, Tianjin Institute of Power Sources, Tianjin 300384, P.R. China
Publication typeJournal Article
Publication date2017-04-07
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.5
ISSN19448244, 19448252
General Materials Science
Abstract
The formation of lithium dendrites is suppressed using a Li1.5Al0.5Ge1.5(PO4)3-poly(ethylene oxide) (LAGP-PEO) composite solid electrolyte and a PEO (lithium bis(trifluoromethane)sulfonimide) [PEO (LiTFSI)]-modified lithium metal anode in all-solid-state lithium batteries. The effects on the anode performance based on the PEO content in the composite solid electrolyte and the molecular weight of PEO used to modify the Li anode are studied. The structure, surface morphology, and stability of the composite solid electrolyte are examined by X-ray diffraction spectroscopy, scanning electron microscopy, and electrochemical tests. Results show that the presence of a PEO-500000(LiTFSI) film on a Li anode results in good mechanical properties and satisfactory interface contact features. The film can also prevent Li from reacting with LAGP. Furthermore, the formation of lithium dendrites can be effectively inhibited as the composite solid electrolyte is combined with the PEO film on the Li anode. The ratio of PEO in the composite solid electrolyte can be reduced to a low level of 1 wt %. PEO remains stable even at a high potential of 5.12 V (vs Li/Li+). The assembled Li-PEO (LiTFSI)/LAGP-PEO/LiMn0.8Fe0.2PO4 all-solid-state cell can deliver an initial discharge capacity of 160.8 mAh g-1 and exhibit good cycling stability and rate performance at 50 °C.

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Wang C. et al. Suppression of Lithium Dendrite Formation by Using LAGP-PEO (LiTFSI) Composite Solid Electrolyte and Lithium Metal Anode Modified by PEO (LiTFSI) in All-Solid-State Lithium Batteries. // ACS applied materials & interfaces. 2017. Vol. 9. No. 15. pp. 13694-13702.
GOST all authors (up to 50) Copy
Wang C., Yang Y., Liu X., Zhong H., Xu H., Xu Z., Shao H., Ding F. Suppression of Lithium Dendrite Formation by Using LAGP-PEO (LiTFSI) Composite Solid Electrolyte and Lithium Metal Anode Modified by PEO (LiTFSI) in All-Solid-State Lithium Batteries. // ACS applied materials & interfaces. 2017. Vol. 9. No. 15. pp. 13694-13702.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acsami.7b00336
UR - https://doi.org/10.1021/acsami.7b00336
TI - Suppression of Lithium Dendrite Formation by Using LAGP-PEO (LiTFSI) Composite Solid Electrolyte and Lithium Metal Anode Modified by PEO (LiTFSI) in All-Solid-State Lithium Batteries.
T2 - ACS applied materials & interfaces
AU - Wang, Chunhua
AU - Liu, Xingjiang
AU - Zhong, Hai
AU - Xu, Han
AU - Xu, Zhibin
AU - Shao, Huixia
AU - Yang, Yifu
AU - Ding, Fei
PY - 2017
DA - 2017/04/07 00:00:00
PB - American Chemical Society (ACS)
SP - 13694-13702
IS - 15
VL - 9
SN - 1944-8244
SN - 1944-8252
ER -
BibTex |
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BibTex Copy
@article{2017_Wang,
author = {Chunhua Wang and Xingjiang Liu and Hai Zhong and Han Xu and Zhibin Xu and Huixia Shao and Yifu Yang and Fei Ding},
title = {Suppression of Lithium Dendrite Formation by Using LAGP-PEO (LiTFSI) Composite Solid Electrolyte and Lithium Metal Anode Modified by PEO (LiTFSI) in All-Solid-State Lithium Batteries.},
journal = {ACS applied materials & interfaces},
year = {2017},
volume = {9},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021/acsami.7b00336},
number = {15},
pages = {13694--13702},
doi = {10.1021/acsami.7b00336}
}
MLA
Cite this
MLA Copy
Wang, Chunhua, et al. “Suppression of Lithium Dendrite Formation by Using LAGP-PEO (LiTFSI) Composite Solid Electrolyte and Lithium Metal Anode Modified by PEO (LiTFSI) in All-Solid-State Lithium Batteries..” ACS applied materials & interfaces, vol. 9, no. 15, Apr. 2017, pp. 13694-13702. https://doi.org/10.1021/acsami.7b00336.
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