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Multilayer Graphene—A Promising Electrode Material in Liquid Cell Electrochemistry

Author(s)
Tan, Shu Fen; Reidy, Kate; Lee, Serin; Klein, Julian; Schneider, Nicholas M.; Lee, Hae Yeon; Ross, Frances M.; ... Show more Show less
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Abstract
The combination of imaging with electrochemical quantification in liquid cell transmission electron microscopy (TEM) provides opportunities for visualizing material processes in liquid with good spatial and temporal resolution in a way that is inaccessible in bench-top electrochemical experiments. The electrode material used in liquid cell TEM determines the reliability and consistency of the electrochemical measurements and also influences the resolution when imaging processes on the electrode. Here, the opportunities arising from the use of 2D materials in liquid cell electrochemistry are explored. Through electrochemical imaging and modeling, it is demonstrated that the use of graphene electrodes enables quantitative study of electrochemical metal deposition and it is suggested that the minimal electron scattering and electric-field enhanced wettability are advantageous in obtaining interpretable and higher resolution data. It is anticipated that incorporation of 2D materials into electrode design will present new opportunities for investigating problems in crystal growth, energy storage, and electrocatalysis.
Date issued
2021-08-08
URI
https://hdl.handle.net/1721.1/140408
Department
Massachusetts Institute of Technology. Department of Materials Science and Engineering
Journal
Advanced Functional Materials
Publisher
Wiley
Citation
Tan, S. F., Reidy, K., Lee, S., Klein, J., Schneider, N. M., Lee, H. Y., Ross, F. M., Multilayer Graphene—A Promising Electrode Material in Liquid Cell Electrochemistry. Adv. Funct. Mater. 2021, 31, 2104628.
Version: Author's final manuscript
ISSN
1616-301X
1616-3028

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