High performance pseudocapacitor based on 2D layered metal chalcogenide nanocrystals
- High performance pseudocapacitor based on 2D layered metal chalcogenide nanocrystals
- 김형석; Guillaume A. Muller; John B. Cook; Sarah H. Tolbert; Bruce Dunn
- Issue Date
- Nano letters
- VOL 15, NO 3-1917
- Single-layer and few-layer transition metal dichalcogenides have been extensively studied for their electronic properties, but their energy-storage potential has not been well explored. ThiS:paper describes the structural and electrochemical properties of few-layer TiS2, nanocrystals. The two-dimensional morphology leads to very different behavior, compared to corresponding bulk materials. Only small structural changes occur during lithiation/delithiation and charge: storage characteristic's are consistent with intercalation pseudocapacitance, leading to materials that exhibit both high energYand power density.
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