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Open access
Nature Communications, volume 14, issue 1, publication number 1300

Understanding the evolution of lithium dendrites at Li6.25Al0.25La3Zr2O12 grain boundaries via operando microscopy techniques

Publication typeJournal Article
Publication date2023-03-09
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor16.6
ISSN20411723, 20411723
General Chemistry
General Biochemistry, Genetics and Molecular Biology
Multidisciplinary
General Physics and Astronomy
Abstract

The growth of lithium dendrites in inorganic solid electrolytes is an essential drawback that hinders the development of reliable all-solid-state lithium metal batteries. Generally, ex situ post mortem measurements of battery components show the presence of lithium dendrites at the grain boundaries of the solid electrolyte. However, the role of grain boundaries in the nucleation and dendritic growth of metallic lithium is not yet fully understood. Here, to shed light on these crucial aspects, we report the use of operando Kelvin probe force microscopy measurements to map locally time-dependent electric potential changes in the Li6.25Al0.25La3Zr2O12 garnet-type solid electrolyte. We find that the Galvani potential drops at grain boundaries near the lithium metal electrode during plating as a response to the preferential accumulation of electrons. Time-resolved electrostatic force microscopy measurements and quantitative analyses of lithium metal formed at the grain boundaries under electron beam irradiation support this finding. Based on these results, we propose a mechanistic model to explain the preferential growth of lithium dendrites at grain boundaries and their penetration in inorganic solid electrolytes.

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GOST Copy
Zhu C. et al. Understanding the evolution of lithium dendrites at Li6.25Al0.25La3Zr2O12 grain boundaries via operando microscopy techniques // Nature Communications. 2023. Vol. 14. No. 1. 1300
GOST all authors (up to 50) Copy
Zhu C., Fuchs T., Weber S., Richter F. H., Glasser G., Weber F., Butt H., Janek J., Berger R. Understanding the evolution of lithium dendrites at Li6.25Al0.25La3Zr2O12 grain boundaries via operando microscopy techniques // Nature Communications. 2023. Vol. 14. No. 1. 1300
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/s41467-023-36792-7
UR - https://doi.org/10.1038/s41467-023-36792-7
TI - Understanding the evolution of lithium dendrites at Li6.25Al0.25La3Zr2O12 grain boundaries via operando microscopy techniques
T2 - Nature Communications
AU - Zhu, Chao
AU - Fuchs, Till
AU - Weber, Stefan
AU - Richter, Felix H.
AU - Glasser, Gunnar
AU - Weber, Franjo
AU - Butt, Hans-Jürgen
AU - Janek, Jürgen
AU - Berger, Rüdiger
PY - 2023
DA - 2023/03/09 00:00:00
PB - Springer Nature
IS - 1
VL - 14
SN - 2041-1723
SN - 2041-1723
ER -
BibTex
Cite this
BibTex Copy
@article{2023_Zhu,
author = {Chao Zhu and Till Fuchs and Stefan Weber and Felix H. Richter and Gunnar Glasser and Franjo Weber and Hans-Jürgen Butt and Jürgen Janek and Rüdiger Berger},
title = {Understanding the evolution of lithium dendrites at Li6.25Al0.25La3Zr2O12 grain boundaries via operando microscopy techniques},
journal = {Nature Communications},
year = {2023},
volume = {14},
publisher = {Springer Nature},
month = {mar},
url = {https://doi.org/10.1038/s41467-023-36792-7},
number = {1},
doi = {10.1038/s41467-023-36792-7}
}
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