Unravelling the room-temperature atomic structure and growth kinetics of lithium metal
Liang, Chao; Zhang, Xun; Xia, Shuixin; Wang, Zeyu; Wu, Jiayi; Yuan, Biao; Luo, Xin; Liu, Weiyan; Liu, Wei; Yu, Yi
2020-09-29
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Volume11Issue:1
Status已发表
DOI10.1038/s41467-020-19206-w
Abstract

Alkali metals are widely studied in various fields such as medicine and battery. However, limited by the chemical reactivity and electron/ion beam sensitivity, the intrinsic atomic structure of alkali metals and its fundamental properties are difficult to be revealed. Here, a simple and versatile method is proposed to form the alkali metals in situ inside the transmission electron microscope. Taking alkali salts as the starting materials and electron beam as the trigger, alkali metals can be obtained directly. With this method, atomic resolution imaging of lithium and sodium metal is achieved at room temperature, and the growth of alkali metals is visualized at atomic-scale with millisecond temporal resolution. Furthermore, our observations unravel the ambiguities in lithium metal growth on garnet-type solid electrolytes for lithium-metal batteries. Finally, our method enables a direct study of physical contact property of lithium metal as well as its surface passivation oxide layer, which may contribute to better understanding of lithium dendrite and solid electrolyte interphase issues in lithium ion batteries. Atomic structure of alkali metal is difficult to be revealed at room temperature because of the chemical reactivity and irradiation sensitivity. Here the authors show that electron beam-induced in situ growth of alkali metals enables the investigation of atomic structure and growth kinetics at high spatiotemporal resolution.

Indexed BySCI
Funding ProjectNational Key Research and Development Program of China[2019YFA0210600] ; National Natural Science Foundation of China[21805184][21805185] ; Natural Science Foundation of Shanghai[18ZR1425200]
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000586507600006
PublisherNATURE RESEARCH
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://kms.shanghaitech.edu.cn/handle/2MSLDSTB/123376
Collection物质科学与技术学院_硕士生
物质科学与技术学院_PI研究组_于奕组
物质科学与技术学院_PI研究组_刘巍组
物质科学与技术学院_公共科研平台_物质科学电镜平台
物质科学与技术学院_本科生
物质科学与技术学院_博士生
Corresponding AuthorYu, Yi
AffiliationShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
First Author AffilicationSchool of Physical Science and Technology
Corresponding Author AffilicationSchool of Physical Science and Technology
First Signature AffilicationSchool of Physical Science and Technology
Recommended Citation
GB/T 7714
Liang, Chao,Zhang, Xun,Xia, Shuixin,et al. Unravelling the room-temperature atomic structure and growth kinetics of lithium metal[J]. NATURE COMMUNICATIONS,2020,11(1).
APA Liang, Chao.,Zhang, Xun.,Xia, Shuixin.,Wang, Zeyu.,Wu, Jiayi.,...&Yu, Yi.(2020).Unravelling the room-temperature atomic structure and growth kinetics of lithium metal.NATURE COMMUNICATIONS,11(1).
MLA Liang, Chao,et al."Unravelling the room-temperature atomic structure and growth kinetics of lithium metal".NATURE COMMUNICATIONS 11.1(2020).
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