Conduction mechanism of charge carriers in electrodes and design factors for the improvement of charge conduction in li-ion batteries

Sophia Akhtar, Wontae Lee, Minji Kim, Min Sik Park, Won Sub Yoon

Research output: Contribution to journalShort surveypeer-review

3 Citations (Scopus)

Abstract

In-depth knowledge of electrode processes is crucial for determining the electrochemical performance of lithium-ion batteries (LIBs). In particular, the conduction mechanisms of charged species in the electrodes, such as lithium ions (Li ) and electrons, are directly correlated with the performance of the battery because the overall reaction is dependent on the charge+ transport behavior in the electrodes. Therefore, it is necessary to understand the different electrochemical processes occur-ring in electrodes in order to elucidate the charge conduction phenomenon. Thus, it is essential to conduct fundamental studies on electrochemical processes to resolve the technical challenges and issues arising during the ionic and electronic conduction. Furthermore, it is also necessary to understand the transport of charged species as well as the predominant factors affecting their transport in electrodes. Based on such in-depth studies, potential approaches can be introduced to enhance the mobility of charged entities, thereby achieving superior battery performances. A clear understanding of the conduction mechanism inside electrodes can help overcome challenges associated with the rapid movement of charged species and provide a practical guideline for the development of advanced materials suitable for high-performance LIBs.

Original languageEnglish
Pages (from-to)1-20
Number of pages20
JournalJournal of Electrochemical Science and Technology
Volume12
Issue number1
DOIs
Publication statusPublished - 2021

Keywords

  • Charge Transport Mechanism
  • Electron Conduction
  • Ionic Conduction
  • Li-ion Battery

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