Few-layered ultra-small MoS2 nanosheet cathode for high-performance rechargeable aluminum-ion battery

We report novel few-layered ultra-small MoS2 nanosheets, which significantly enhance kinetic performance and structural stability when employed as the cathode in the aluminum-ion battery (AIB). During Al3+ insertion, the few-layered structure weakens the electrostatic repulsion and the small size re...

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Bibliographic Details
Published in:Sustainable energy & fuels 2021-01, Vol.5 (17), p.4289-4294
Main Authors: Zhang, Qiang, Liu, Qianfeng, Wang, Erdong
Format: Article
Language:eng ; jpn
Subjects:
Aluminum
Aluminum-ion batteries
Cathodes
Ion transport
Molybdenum disulfide
Nanosheets
Rechargeable batteries
Structural stability
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Summary:We report novel few-layered ultra-small MoS2 nanosheets, which significantly enhance kinetic performance and structural stability when employed as the cathode in the aluminum-ion battery (AIB). During Al3+ insertion, the few-layered structure weakens the electrostatic repulsion and the small size reduces the mechanical stress. Moreover, the high specific surface area exposes more active sites and increases the contact area between the active material and the electrolyte, shortening the ion transport distance.
ISSN:2398-4902
DOI:10.1039/d1se00959a