(301f) Titanium Nitride Nanotube As Effective Cathode Materials for Lithium Sulfur Batteries
Our recent study on highly structured TiN as a novel and effective cathode material for Li-S battery, revealed that its several advantages over previous research. In our research, titanium nitride nanotube array is synthesized through anodization growth method and utilized as a cathode additive for a Li-S battery. TiN enhanced Li-S battery performance by improving the current collecting capability on cathode, and decreasing the impedance increase and redox shuttle reaction over cycles. Moreover, the effect of nanotube diameter and length on Li-S battery cell capacity performance and retention were investigated. Electrochemical performance and the corresponding material characterization of this new cathode material for the lithium sulfur battery electrochemical reactions was studied by AC impedance spectroscopy, SEM and BET surface area measurement. The results may be of great significance to electrode material design for more efficient Li/S batteries.
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