The study of irreversible capacity in lithium-ion anodes prepared with thermally oxidized graphite

The effect of thermal oxidation on the anodic characteristics of graphite was investigated. This treatment led to a large increase in irreversible capacity which was attributed to the expansion of pores in the graphite. Variations in the electrolyte were found to significantly affect the magnitude o...

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Bibliographic Details
Published in:Journal of power sources 1999-09, Vol.81, p.373-377
Main Authors: Rubino, Robert S., Takeuchi, Esther Sans
Format: Article
Language:English
Subjects:
Applied sciences
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Irreversible capacity
Lithium-ion batteries
Passivation layer
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Summary:The effect of thermal oxidation on the anodic characteristics of graphite was investigated. This treatment led to a large increase in irreversible capacity which was attributed to the expansion of pores in the graphite. Variations in the electrolyte were found to significantly affect the magnitude of this increase. A comparison of various electrolytes was used to study the irreversible reduction reactions which take place at the anode during the first cycle of a lithium-ion cell.
ISSN:0378-7753
1873-2755
DOI:10.1016/S0378-7753(99)00217-7