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제     목 CNT 첨가를 통해 표면 처리한 LTO의 특성향상에 관한 연구
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초록

Among the lithium metal oxides for hybrid-capacity, Li₄Ti5O12(LTO) is an emerging electrode material as zero-stain material in volume change during the with the charging and discharging processes. However, LTO has a limitation of low ionic and electronic conductivity. To enhance the ionic and electronic properties of Li₄Ti5O1₂(LTO), we synthesized the spherical LTO/CNT composite by sol-gel process for hybrid capacitors. CNT interconnection networks between CNT-LTO particles enhanced electronic conductivity and electrochemical charging/discharging properties. All of the LTO samples was observed to show the spinel structure and spherical morphology with the diameter of 5 ~ 10 μm. Especially, spherical LTO/CNT composite of the CNT-3 wt% showed the enhanced capacity from 110 mAh/g to 140 mAh/g at 10 C.

215   CNT 첨가를 통해 표면 처리한 LTO의... 관리자 2021.02.07 938
이전 첨가제가 나트륨 이온 전지용...
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