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http://dx.doi.org/10.5012/bkcs.2008.29.2.309

Effect of Silicon Content over Fe-Cu-Si/C Based Composite Anode for Lithium Ion Battery  

Doh, Chil-Hoon (Korea Electrotechnology Research Institute)
Shin, Hye-Min (Korea Electrotechnology Research Institute)
Kim, Dong-Hun (Korea Electrotechnology Research Institute)
Chung, Young-Dong (Korea Electrotechnology Research Institute)
Moon, Seong-In (Korea Electrotechnology Research Institute)
Jin, Bong-Soo (Korea Electrotechnology Research Institute)
Kim, Hyun-Soo (Korea Electrotechnology Research Institute)
Kim, Ki-Won (Gyeonsang National University)
Oh, Dae-Hee (Korea Electrotechnology Research Institute)
Veluchamy, Angathevar (Korea Electrotechnology Research Institute)
Publication Information
Bulletin of the Korean Chemical Society / v.29, no.2, 2008 , pp. 309-312 More about this Journal
Abstract
Two different anode composite materials comprising of Fe, Cu and Si prepared using high energy ball milling (HEBM) were explored for their capacity and cycling behaviors. Prepared powder composites in the ratio Cu:Fe:Si = 1:1:2.5 and 1:1:3.5 were characterized through X-Ray diffraction (XRD) and scanning electron microscope (SEM). Nevertheless, the XRD shows absence of any new alloy/compound formation upon ball milling, the elements present in Cu(1)Fe(1)Si(2.5)/Graphite composite along with insito generated Li2O demonstrate a superior anodic behavior and delivers a reversible capacity of 340 mAh/g with a high coulombic efficiency (98%). The higher silicon content Cu(1)Fe(1)Si(3.5) along with graphite could not sustain capacity with cycling possibly due to ineffective buffer action of the anode constituents.
Keywords
High energy mechanical milling; Fe(1)Cu(1)Si(3.5); Fe(1)Cu(1)Si(2.5); Anode; Li-ion battery
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By Web Of Science : 3  (Related Records In Web of Science)
Times Cited By SCOPUS : 3
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