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http://dx.doi.org/10.9713/kcer.2017.55.2.163

Electrochemical Properties of Commercial NCA Cathode Materials for High Capacity of Lithium Ion Battery  

Jin, En Mei (Department of Chemical Engineering, Chungbuk National University)
Lee, Ga-Eul (Department of Chemical Engineering, Chungbuk National University)
Na, Byuong-Ki (Department of Chemical Engineering, Chungbuk National University)
Jeong, Sang Mun (Department of Chemical Engineering, Chungbuk National University)
Publication Information
Korean Chemical Engineering Research / v.55, no.2, 2017 , pp. 163-169 More about this Journal
Abstract
In order to investigate the electrochemical properties and the particle size effect of $LiNi_{1-x-y}Co_xAl_yO_2$ (x=0.15, y=0.045 or 0.05, NCA) for lithium ion batteries (LIBs), two commercial NCA cathode materials (NCA#1, NCA#2) were used as cathode materials for LIB. The average particle size of the NCA#1 which consisted of uniform spherical particles was found to be approximately $5m{\mu}$. NCA#2 consisted of particles with bimodal size distribution of approximately $5m{\mu}$ and $11m{\mu}$. From the results of charge-discharge performance test, a high initial discharge capacity of 197.0 mAh/g was obtained with NCA#2, which is a higher value than that with NCA#1. The cycle retentions of NCA#1 and NCA#2 up to 30 cycles were 92% and 94%, respectively.
Keywords
Lithium ion battery; High-capacity; NCA; Particle size; Electrochemical;
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Times Cited By KSCI : 2  (Citation Analysis)
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