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J Vis Exp. 2019 Feb 5;(144). doi: 10.3791/58676.

Preparation of Graphene Liquid Cells for the Observation of Lithium-ion Battery Material.

Author information

1
Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology.
2
Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology; idkim@kaist.ac.kr.
3
Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology; jongmin.yuk@kaist.ac.kr.

Abstract

In this work, we introduce the preparation of graphene liquid cells (GLCs), encapsulating both electrode materials and organic liquid electrolytes between two graphene sheets, and the facile synthesis of one-dimensional nanostructures using electrospinning. The GLC enables in situ transmission electron microscopy (TEM) for the lithiation dynamics of electrode materials. The in situ GLC-TEM using an electron beam for both imaging and lithiation can utilize not only realistic battery electrolytes, but also the high-resolution imaging of various morphological, phase, and interfacial transitions.

PMID:
30799843
DOI:
10.3791/58676

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