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Title: Interfacial reactions in lithium batteries

The lithium-ion battery was first commercially introduced by Sony Corporation on 1991 using LiCoO 2 as the cathode material and mesocarbon microbeads as the anode material. After continuous research and development for 25 years, lithium-ion batteries have been the dominant energy storage devices for modern portable electronics, as well as for the emerging application for electric vehicles and smart grids. It has been a common sense that the success of lithium-ion technologies is rooted to the existence of a solid electrolyte interphase (SEI) that kinetically suppresses the parasitic reactions between the lithiated 2 graphitic anodes and the carbonate-based non-aqueous electrolytes. Recently, major attention has been paid to the importance of a similar passivation/protection layer on the surface of cathode materials, aiming for rational design of high-energy-density lithiumion batteries with extended cycle/calendar life. In this article, the physical model of the solid electrolyte interphase, as well as the recent research effort to under the nature and role SEI are summarized, and future perspectives on this important research field will also be presented.
 [1] ;  [2] ;  [3] ;  [1]
  1. Argonne National Lab. (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Div.
  2. Univ. of Illinois, Chicago, IL (United States). Chemical Engineering Dept.; Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Div.
  3. Shanghai Jiao Tong Univ. (China). Institute of Electrochemical and Energy Technology, Dept. of Chemical Engineering
Publication Date:
Grant/Contract Number:
Accepted Manuscript
Journal Name:
Journal of Physics. D, Applied Physics
Additional Journal Information:
Journal Volume: 50; Journal Issue: 30; Journal ID: ISSN 0022-3727
IOP Publishing
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
Country of Publication:
United States
25 ENERGY STORAGE; electrochemical energy storage; interfacial reaction; lithium-ion battery; parasitic reaction; solid-electrolyte interphase
OSTI Identifier: