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Effect of Graphite Particle Size on Irreversible Capacity Loss
Home
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Effect of Graphite Particle Size on Irreversible Capacity Loss
Effect of Graphite Particle Size on Irreversible Capacity Loss
KZ
Karim Zaghib
Karim Zaghib
GN
Gabrielle Nadeau
Gabrielle Nadeau
KK
Kimio Kinoshita
Kimio Kinoshita
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1 January 2000
journal article
Published by
The Electrochemical Society
in
Journal of the Electrochemical Society
Vol. 147
(6)
,
2110-2115
https://doi.org/10.1149/1.1393493
Abstract
Electrolyte decomposition and irreversible capacity loss (
ICL
) occur on carbon electrodes in Li‐ion cells. The nature of the surface sites and their role in the amount of electrolyte decomposition on carbon electrodes is not fully understood. Therefore, a study was undertaken to analyze the relationship between the
ICL
and the active sites on natural graphite of prismatic structure. The
ICL
was measured on natural graphite of predominantly two‐dimensional platelets of average particle size varying from 2 to 40 μm. The fraction of edge and basal plane sites was determined for ideal prismatic structures of different particle size and used as a model for the natural graphite particles. This analysis permitted an analysis of the relationship between the electrolyte decomposition and the distribution of surface sites. From this analysis we conclude that these sites play an important role in the magnitude of the irreversible capacity loss on natural graphite. © 2000 The Electrochemical Society. All rights reserved.
Keywords
STRUCTURES
ELECTROLYTE DECOMPOSITION
PARTICLE SIZE
SURFACE SITES
GRAPHITE PARTICLES
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Cited by 114 articles