Electrochemical Characteristics of Ru Added Li4Ti5O12 as an Anode Material 


Vol. 20,  No. 4, pp. 433-438, Dec.  2014


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  Abstract

There is an increasing interest in the development of rechargeable batteries suitable for use in both hybrid electric vehicles and energy storage systems that require higher charge & discharge rates, bigger battery sizes and increased safety of the batteries. Spinel-type lithium titanium oxide (Li4Ti5O12) as a potential anode for lithium ion batteries has many advantages. It is a zero-strain materials and it experiences no structural change during the charge/discharge precess. Thus, it has long cycle life due to its structural integrity. It also offers a stable operation voltage of approximately 1.55 V versus Li+/Li, above the reduction potential of most organic electrolyte. In this study, Ru added Li4Ti5O12 composites were synthesized by solid state process. The characteristics of active material were investigated with TGA-DTA, XRD, SEM and charge/discharge test. The capacity was reduced when Ru was added, however, the polarization decreased. The capacity rate of Li4Ti5O12 with Ru (3%, 4%) addition was reduced during the charge/discharge precess with 10 C-rate as a high current density.

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  Cite this article

[IEEE Style]

C. WR and N. BK, "Electrochemical Characteristics of Ru Added Li4Ti5O12 as an Anode Material," Clean Technology, vol. 20, no. 4, pp. 433-438, 2014. DOI: .

[ACM Style]

Cho WR and Na BK. 2014. Electrochemical Characteristics of Ru Added Li4Ti5O12 as an Anode Material. Clean Technology, 20, 4, (2014), 433-438. DOI: .

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

한국연구재단 등재학술지