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Evaluation Residual Moisture in Lithium-Ion Battery Electrodes andIts Effect on Electrode Performance

Published online by Cambridge University Press:  11 January 2016

Jianlin Li*
Affiliation:
Energy and Transportation Science Division, Oak Ridge National Laboratory, TN 37831, USA
Claus Daniel
Affiliation:
Energy and Transportation Science Division, Oak Ridge National Laboratory, TN 37831, USABredesen Center for Interdisciplinary Research and Graduate Education, University of Tennessee, Knoxville, TN 37996, U.S.A.
Seong Jin An
Affiliation:
Energy and Transportation Science Division, Oak Ridge National Laboratory, TN 37831, USABredesen Center for Interdisciplinary Research and Graduate Education, University of Tennessee, Knoxville, TN 37996, U.S.A.
David Wood
Affiliation:
Energy and Transportation Science Division, Oak Ridge National Laboratory, TN 37831, USABredesen Center for Interdisciplinary Research and Graduate Education, University of Tennessee, Knoxville, TN 37996, U.S.A.
*
*Corresponding author: lij4@ornl.gov

Abstract

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Removing residual moisture in lithium-ion battery electrodes is essential fordesired electrochemical performance. In this manuscript, the residual moisturein LiNi0.5Mn0.3Co0.2O2 cathodesproduced by conventional solvent-based and aqueous processing is characterizedand compared. The electrochemical performance has also been investigated forvarious residual moisture contents. It has been demonstrated that the residualmoisture lowers the first cycle coulombic efficiency, but its effect on shortterm cycle life is insignificant.

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Copyright
Copyright © Materials Research Society 2016