Basics of the Scanning Electrochemical Microscope and its Application in the Characterization of Lithium-Ion Batteries: A Brief Review

Rong He, Larissa Zhou, Robert Tenent, Meng Zhou

Research output: Contribution to journalArticlepeer-review

6 Scopus Citations

Abstract

A scanning electrochemical microscope (SECM) can directly monitor electrochemical processes at interfaces of electrodes and electrolytes and has been used as an analytical tool for lithium-ion battery (LIB) studies. Through SECM, we can visualize the electrochemical reactivities of active species in LIBs in-situ during cycling. This review begins with introducing SECM-based LIB research and then summarizes the working mechanism and operating modes of the technique as well as combinations of SECM with other techniques for LIB studies. We review the results with a focus on the interfacial properties, surface reactions and electrochemical activity of different electrode materials for LIBs. The investigations of battery degradation, kinetic parameters and electrolyte swelling by SECM are also discussed. Finally, the current limitations and perspectives are also described regarding future developments.

Original languageAmerican English
Pages (from-to)662-678
Number of pages17
JournalMaterials Chemistry Frontiers
Volume7
Issue number4
DOIs
StatePublished - 2023

Bibliographical note

Publisher Copyright:
© 2023 The Royal Society of Chemistry.

NREL Publication Number

  • NREL/JA-5K00-84376

Keywords

  • cathode electrolyte interface
  • electrochemistry
  • lithium ion batteries
  • scanning electrochemical microscopy

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