High Performance Pseudocapacitor Based on 2D Layered Metal Chalcogenide Nanocrystals
University of California, Los Angeles
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Abstract
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 characteristics are consistent with intercalation pseudocapacitance, leading to materials that exhibit both high energy and power density.
Citation impact
584
total citations
- FWCI
- 22.60
- Percentile
- 100%
- References
- 49
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Authors
5Topics & keywords
Topics
Keywords
- Pseudocapacitor
- Pseudocapacitance
- Chalcogenide
- Materials science
- Nanocrystal
- Intercalation (chemistry)
- Nanotechnology
- Electrochemistry
UN Sustainable Development Goals
- Affordable and clean energy
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Funding
- UDU.S. Department of EnergyAwards: 76SF00515, DE-SC0001342, DE-AC02, AC02-76SF00515, DE-AC02-
- SRSemiconductor Research Corporation
- DADefense Advanced Research Projects Agency
- OOOffice of ScienceAwards: AC02-76SF00515, DE-AC02-76SF00515, DE-AC02, 76SF00515
- OOOffice of Naval ResearchAward: DE-AC02-76SF00515
- BEBasic Energy SciencesAwards: DE-AC02, DE-AC02-76SF00515, DE-SC0001342, 76SF00515, AC02-76SF00515
- SNSLAC National Accelerator LaboratoryAwards: AC02-76SF00515, DE-AC02-76SF00515