Clean Technology 2010

Charge/Discharge Property and Cycle Life of Li4Ti5O12/LiCoO2-LiNi1-x-yCoxAlyO2 Cell for Electricity Storage Applications: Effect of Cell Design Parameters

M.-S. Song
Samsung Advanced Institute of Technology, KR

Keywords: Li4Ti5O12, electricity storage applications, cell parameters

Abstract:

In this work, Li4Ti5O12 has been used as an anode material in lithium-ion batteries for electricity storage applications, which operate under intermittent cycling conditions with higher charge/discharge rates than 4C (i.e., current extracting the full capacity of battery in 15 min). Li4Ti5O12/LiCoO2-LiNi1-x-yCoxAlyO2 full cells have been designed and constructed with different cell parameters (N/P ratio, electrode dimension, materials loading level, etc.), and then the effect of design parameters on the capacity, cycle life and charge/discharge behavior has been analyzed using various physical and electrochemical techniques.
 
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