Three-dimensional visualization of lithium metal anode via low-dose cryogenic electron microscopy tomography

Summary: The structure of lithium (Li) metal anode, including the Li metal and the solid electrolyte interphase (SEI), is critical to the investigation of cycle stability or decay mechanisms. The three-dimensional (3D) visualization of Li metal and SEI, however, has not been demonstrated yet, owing...

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Autores principales:	Xiangyan Li, Bing Han, Xuming Yang, Zhipeng Deng, Yucheng Zou, Xiaobo Shi, Liping Wang, Yusheng Zhao, Sudong Wu, Meng Gu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Energy materials Materials characterization Materials characterization techniques Materials chemistry Materials science Science Q
Acceso en línea:	https://doaj.org/article/6db342749dfd44d7aae0ac938b0ff124
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spelling	oai:doaj.org-article:6db342749dfd44d7aae0ac938b0ff1242021-11-28T04:36:17ZThree-dimensional visualization of lithium metal anode via low-dose cryogenic electron microscopy tomography2589-004210.1016/j.isci.2021.103418https://doaj.org/article/6db342749dfd44d7aae0ac938b0ff1242021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2589004221013894https://doaj.org/toc/2589-0042Summary: The structure of lithium (Li) metal anode, including the Li metal and the solid electrolyte interphase (SEI), is critical to the investigation of cycle stability or decay mechanisms. The three-dimensional (3D) visualization of Li metal and SEI, however, has not been demonstrated yet, owing to the lack of 3D characterization techniques and the susceptibility of Li metal anode toward oxygen, moisture, as well as electron beam. Herein, we introduce a successful 3D presentation of deposited Li metal and SEI established via low-dose cryogenic electron microscopy tomography. The Li metal anode is imaged in low-dose mode at different tilt angles and then aligned and reconstructed into a 3D image through an expectation-maximization algorithm. The spherical Li deposits and SEI are confirmed in the 3D tomography of Li metal anode. It is also discovered that the Li metal corrodes and SEI turns concave owing to possible self-discharge after long-time rest.Xiangyan LiBing HanXuming YangZhipeng DengYucheng ZouXiaobo ShiLiping WangYusheng ZhaoSudong WuMeng GuElsevierarticleEnergy materialsMaterials characterizationMaterials characterization techniquesMaterials chemistryMaterials scienceScienceQENiScience, Vol 24, Iss 12, Pp 103418- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Energy materials Materials characterization Materials characterization techniques Materials chemistry Materials science Science Q
spellingShingle	Energy materials Materials characterization Materials characterization techniques Materials chemistry Materials science Science Q Xiangyan Li Bing Han Xuming Yang Zhipeng Deng Yucheng Zou Xiaobo Shi Liping Wang Yusheng Zhao Sudong Wu Meng Gu Three-dimensional visualization of lithium metal anode via low-dose cryogenic electron microscopy tomography
description	Summary: The structure of lithium (Li) metal anode, including the Li metal and the solid electrolyte interphase (SEI), is critical to the investigation of cycle stability or decay mechanisms. The three-dimensional (3D) visualization of Li metal and SEI, however, has not been demonstrated yet, owing to the lack of 3D characterization techniques and the susceptibility of Li metal anode toward oxygen, moisture, as well as electron beam. Herein, we introduce a successful 3D presentation of deposited Li metal and SEI established via low-dose cryogenic electron microscopy tomography. The Li metal anode is imaged in low-dose mode at different tilt angles and then aligned and reconstructed into a 3D image through an expectation-maximization algorithm. The spherical Li deposits and SEI are confirmed in the 3D tomography of Li metal anode. It is also discovered that the Li metal corrodes and SEI turns concave owing to possible self-discharge after long-time rest.
format	article
author	Xiangyan Li Bing Han Xuming Yang Zhipeng Deng Yucheng Zou Xiaobo Shi Liping Wang Yusheng Zhao Sudong Wu Meng Gu
author_facet	Xiangyan Li Bing Han Xuming Yang Zhipeng Deng Yucheng Zou Xiaobo Shi Liping Wang Yusheng Zhao Sudong Wu Meng Gu
author_sort	Xiangyan Li
title	Three-dimensional visualization of lithium metal anode via low-dose cryogenic electron microscopy tomography
title_short	Three-dimensional visualization of lithium metal anode via low-dose cryogenic electron microscopy tomography
title_full	Three-dimensional visualization of lithium metal anode via low-dose cryogenic electron microscopy tomography
title_fullStr	Three-dimensional visualization of lithium metal anode via low-dose cryogenic electron microscopy tomography
title_full_unstemmed	Three-dimensional visualization of lithium metal anode via low-dose cryogenic electron microscopy tomography
title_sort	three-dimensional visualization of lithium metal anode via low-dose cryogenic electron microscopy tomography
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/6db342749dfd44d7aae0ac938b0ff124
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Three-dimensional visualization of lithium metal anode via low-dose cryogenic electron microscopy tomography

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