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In Situ/ex Situ Investigations on the Formation of the Mosaic Solid Electrolyte Interface Layer on Graphite Anode for Lithium-Ion Batteries
, Sumit Ranjan Sahu, Mamidanna S.Ramachandra Rao, Raghavan Gopalan
Published in American Chemical Society
Volume: 122
Issue: 50
Pages: 28717 - 28726
In the ongoing pursuit toward a high-performance lithium-ion battery (LIB), an understanding of the solid electrolyte interface (SEI) layer is important to enhance the performance and lifetime of LIB. Despite many years of dedicated research on the study of the SEI layer, the well-known mosaic model of the SEI layer has not yet been fully established experimentally. Herein, we report a comprehensive experimental evidence of the formation and growth process of the mosaic structure of the SEI layer by using a specially designed cell. Sequential in situ and ex situ characterizations provide experimental evidence for the mosaic structure of the SEI layer. Our experimental characterizations open up a promising approach to investigate the electrode-electrolyte interface comprehensively in advanced battery systems. © 2018 American Chemical Society.
About the journal
JournalData powered by TypesetJournal of Physical Chemistry C
PublisherData powered by TypesetAmerican Chemical Society
Open AccessNo
Concepts (12)
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    Seebeck effect
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    Solid electrolytes
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    Battery systems
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    Electrode-electrolyte interfaces
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    Experimental characterization
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    Experimental evidence
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    High-performance lithium-ion batteries
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    Mosaic structure
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    Situ investigation
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    Solid electrolyte interfaces
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    Lithium-ion batteries