Abstract
Li/graphite and Li/petroleum coke cells using a in a 50:50 mixture of propylene carbonate (PC) and ethylene carbonate (EC) electrolyte exhibit irreversible reactions only on the first discharge. These irreversible reactions are associated with electrolyte decomposition and cause the formation of a passivating film or solid electrolyte interphase on the surface of the carbon. The amount of electrolyte decomposition is proportional to the specific surface area of the carbon electrode. When all the available surface area is coated with the film of decomposition products, further decomposition reactions stop. In subsequent cycles, these cells exhibit excellent reversibility and can be cycled without capacity loss.
Keywords
ElectrolyteEthylene carbonatePropylene carbonateDecompositionLithium (medication)Intercalation (chemistry)ElectrochemistryChemistryInorganic chemistryCarbon fibersChemical decompositionChemical engineeringGraphiteInterphaseCarbonateEthyleneMaterials scienceElectrodeOrganic chemistryCatalysisComposite materialComposite numberPhysical chemistry
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Publication Info
- Year
- 1990
- Type
- article
- Volume
- 137
- Issue
- 7
- Pages
- 2009-2013
- Citations
- 1387
- Access
- Closed
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Cite This
Rosamaría Fong,
U. von Sacken,
J. R. Dahn
(1990).
Studies of Lithium Intercalation into Carbons Using Nonaqueous Electrochemical Cells.
Journal of The Electrochemical Society
, 137
(7)
, 2009-2013.
https://doi.org/10.1149/1.2086855
Identifiers
- DOI
- 10.1149/1.2086855