Open Access
Open access
Scientific Reports, volume 10, issue 1, publication number 18410

Direct observation of lithium metal dendrites with ceramic solid electrolyte

Maryam Golozar 1, 2
Andrea Paolella 1
Hendrix Demers 1
Sylvio Savoie 1
Gabriel Girard 1
Nicolas Delaporte 1
Raynald Gauvin 2
Abdelbast Guerfi 1
Henning Lorrmann 3
Karim Zaghib 1
Publication typeJournal Article
Publication date2020-10-27
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor4.6
ISSN20452322, 20452322
Multidisciplinary
Abstract
Dendrite formation, which could cause a battery short circuit, occurs in batteries that contain lithium metal anodes. In order to suppress dendrite growth, the use of electrolytes with a high shear modulus is suggested as an ionic conductive separator in batteries. One promising candidate for this application is Li7La3Zr2O12 (LLZO) because it has excellent mechanical properties and chemical stability. In this work, in situ scanning electron microscopy (SEM) technique was employed to monitor the interface behavior between lithium metal and LLZO electrolyte during cycling with pressure. Using the obtained SEM images, videos were created that show the inhomogeneous dissolution and deposition of lithium, which induce dendrite growth. The energy dispersive spectroscopy analyses of dendrites indicate the presence of Li, C, and O elements. Moreover, the cross-section mapping comparison of the LLZO shows the inhomogeneous distribution of La, Zr, and C after cycling that was caused by lithium loss near the Li electrode and possible side reactions. This work demonstrates the morphological and chemical evolution that occurs during cycling in a symmetrical Li–Li cell that contains LLZO. Although the superior mechanical properties of LLZO make it an excellent electrolyte candidate for batteries, the further improvement of the electrochemical stabilization of the garnet–lithium metal interface is suggested.

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GOST Copy
Golozar M. et al. Direct observation of lithium metal dendrites with ceramic solid electrolyte // Scientific Reports. 2020. Vol. 10. No. 1. 18410
GOST all authors (up to 50) Copy
Golozar M., Paolella A., Demers H., Savoie S., Girard G., Delaporte N., Gauvin R., Guerfi A., Lorrmann H., Zaghib K. Direct observation of lithium metal dendrites with ceramic solid electrolyte // Scientific Reports. 2020. Vol. 10. No. 1. 18410
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/s41598-020-75456-0
UR - https://doi.org/10.1038/s41598-020-75456-0
TI - Direct observation of lithium metal dendrites with ceramic solid electrolyte
T2 - Scientific Reports
AU - Golozar, Maryam
AU - Paolella, Andrea
AU - Demers, Hendrix
AU - Savoie, Sylvio
AU - Girard, Gabriel
AU - Delaporte, Nicolas
AU - Gauvin, Raynald
AU - Guerfi, Abdelbast
AU - Lorrmann, Henning
AU - Zaghib, Karim
PY - 2020
DA - 2020/10/27 00:00:00
PB - Springer Nature
IS - 1
VL - 10
SN - 2045-2322
SN - 2045-2322
ER -
BibTex
Cite this
BibTex Copy
@article{2020_Golozar,
author = {Maryam Golozar and Andrea Paolella and Hendrix Demers and Sylvio Savoie and Gabriel Girard and Nicolas Delaporte and Raynald Gauvin and Abdelbast Guerfi and Henning Lorrmann and Karim Zaghib},
title = {Direct observation of lithium metal dendrites with ceramic solid electrolyte},
journal = {Scientific Reports},
year = {2020},
volume = {10},
publisher = {Springer Nature},
month = {oct},
url = {https://doi.org/10.1038/s41598-020-75456-0},
number = {1},
doi = {10.1038/s41598-020-75456-0}
}
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