Nature Nanotechnology, volume 14, issue 11, pages 1042-1047

Origin of lithium whisker formation and growth under stress

Publication typeJournal Article
Publication date2019-10-14
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor38.3
ISSN17483387, 17483395
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
General Materials Science
Electrical and Electronic Engineering
Bioengineering
Biomedical Engineering
Abstract
Lithium metal has the lowest standard electrochemical redox potential and very high theoretical specific capacity, making it the ultimate anode material for rechargeable batteries. However, its application in batteries has been impeded by the formation of Li whiskers, which consume the electrolyte, deplete active Li and may lead to short-circuit of the battery. Tackling these issues successfully is dependent on acquiring sufficient understanding of the formation mechanisms and growth of Li whiskers under the mechanical constraints of a separator. Here, by coupling an atomic force microscopy cantilever into a solid open-cell set-up in environmental transmission electron microscopy, we directly capture the nucleation and growth behaviour of Li whiskers under elastic constraint. We show that Li deposition is initiated by a sluggish nucleation of a single crystalline Li particle, with no preferential growth directions. Remarkably, we find that retarded surface transport of Li plays a decisive role in the subsequent deposition morphology. We then explore the validity of these findings in practical cells using a series of carbonate-poisoned ether-based electrolytes. Finally, we show that Li whiskers can yield, buckle, kink or stop growing under certain elastic constraints. Lithium whisker growth can be suppressed under mechanical constraints, as revealed by an experimental set-up combining an environmental transmission electron microscope and an atomic force microscope.

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GOST |
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GOST Copy
He Y. et al. Origin of lithium whisker formation and growth under stress // Nature Nanotechnology. 2019. Vol. 14. No. 11. pp. 1042-1047.
GOST all authors (up to 50) Copy
He Y., Ren X., Xu Y., Engelhard M., Li X., Xiao J., Liu J., Zhang J., Wu Xu 吴., Wang C. Origin of lithium whisker formation and growth under stress // Nature Nanotechnology. 2019. Vol. 14. No. 11. pp. 1042-1047.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1038/s41565-019-0558-z
UR - https://doi.org/10.1038/s41565-019-0558-z
TI - Origin of lithium whisker formation and growth under stress
T2 - Nature Nanotechnology
AU - He, Yang
AU - Ren, Xiaodi
AU - Xu, Yaobin
AU - Engelhard, Mark
AU - Li, Xiaolin
AU - Xiao, Jie
AU - Liu, Jun
AU - Zhang, Ji-Guang
AU - Wu Xu, 吴旭
AU - Wang, Chongmin
PY - 2019
DA - 2019/10/14 00:00:00
PB - Springer Nature
SP - 1042-1047
IS - 11
VL - 14
SN - 1748-3387
SN - 1748-3395
ER -
BibTex |
Cite this
BibTex Copy
@article{2019_He,
author = {Yang He and Xiaodi Ren and Yaobin Xu and Mark Engelhard and Xiaolin Li and Jie Xiao and Jun Liu and Ji-Guang Zhang and 吴旭 Wu Xu and Chongmin Wang},
title = {Origin of lithium whisker formation and growth under stress},
journal = {Nature Nanotechnology},
year = {2019},
volume = {14},
publisher = {Springer Nature},
month = {oct},
url = {https://doi.org/10.1038/s41565-019-0558-z},
number = {11},
pages = {1042--1047},
doi = {10.1038/s41565-019-0558-z}
}
MLA
Cite this
MLA Copy
He, Yang, et al. “Origin of lithium whisker formation and growth under stress.” Nature Nanotechnology, vol. 14, no. 11, Oct. 2019, pp. 1042-1047. https://doi.org/10.1038/s41565-019-0558-z.
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