Sn 4+ Ion Decorated Highly Conductive Ti 3 C 2 MXene: Promising Lithium-Ion Anodes with Enhanced Volumetric Capacity and Cyclic Performance
Zhejiang University of Technology
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Abstract
Two-dimensional transition metal carbide materials called MXenes show potential application for energy storage due to their remarkable electrical conductivity and low Li(+) diffusion barrier. However, the lower capacity of MXene anodes limits their further application in lithium-ion batteries. Herein, with inspiration from the unique metal ion uptake behavior of highly conductive Ti3C2 MXene, we overcome this impediment by fabricating Sn(4+) ion decorated Ti3C2 nanocomposites (PVP-Sn(IV)@Ti3C2) via a facile polyvinylpyrrolidone (PVP)-assisted liquid-phase immersion process. An amorphous Sn(IV) nanocomplex, about 6-7 nm in lateral size, has been homogeneously anchored on the surface of alk-Ti3C2 matrix by…
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Authors
9Topics & keywords
Topics
Keywords
- Materials science
- MXenes
- Chemical engineering
- Anode
- Nanocomposite
- Lithium (medication)
- Amorphous solid
- Ion
UN Sustainable Development Goals
- Affordable and clean energy
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