Graphite/Electrolyte Interface Formed in LiBOB-Based Electrolytes
- 1 January 2004
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 151 (12), A2106-A2112
- https://doi.org/10.1149/1.1812732
Abstract
In an attempt to depict a dynamic picture of solid electrolyte interface (SEI) formation on a graphitic anode surface during the initial forming cycle, we employed X-ray photoelectron spectroscopy in combination with a “pre-formation” technique to establish the dependence of the surface chemistry on the forming potential of the anode. A progressive transition in the 1s electron binding energies of the major elements was observed as the lithiation proceeded. However, the surface chemical species as well as their abundances seemed to stabilize around 0.55 V and remained constant during the subsequent delithiation process, indicating that a stable SEI exists thereafter. Integrating the information revealed by different analyses, we believe that the reductive decomposition of the BOB−BOB− anion starts at ca. 1.00 V, while the effective protection of the graphene surface by SEI is available after the anode is lithiated below the potential of 0.55 V vs. Li. © 2004 The Electrochemical Society. All rights reserved.Keywords
This publication has 22 references indexed in Scilit:
- Liquid electrolytes for lithium and lithium-ion batteriesJournal of Power Sources, 2003
- A New Perspective on the Formation and Structure of the Solid Electrolyte Interface at the Graphite Anode of Li-Ion CellsElectrochemical and Solid-State Letters, 1999
- In Situ Investigation of the Electrochemical Reduction of Carbonate Electrolyte Solutions at Graphite ElectrodesJournal of the Electrochemical Society, 1998
- Electrochemical Intercalation of Lithium into GraphiteJournal of the Electrochemical Society, 1993
- The behaviour of lithium electrodes in propylene and ethylene carbonate: Te major factors that influence Li cycling efficiencyJournal of Electroanalytical Chemistry, 1992
- Studies of Lithium Intercalation into Carbons Using Nonaqueous Electrochemical CellsJournal of the Electrochemical Society, 1990
- Identification of Surface Films Formed on Lithium in Propylene Carbonate SolutionsJournal of the Electrochemical Society, 1987
- The cathodic decomposition of propylene carbonate in lithium batteriesJournal of Electroanalytical Chemistry and Interfacial Electrochemistry, 1987
- The Electrochemical Behavior of Alkali and Alkaline Earth Metals in Nonaqueous Battery Systems—The Solid Electrolyte Interphase ModelJournal of the Electrochemical Society, 1979
- The Electrochemical Decomposition of Propylene Carbonate on GraphiteJournal of the Electrochemical Society, 1970