Abstract
A Sn doping strategy is demonstrated to improve lithium diffusion kinetics by expanding the spacing of (003) planes without destroying the layered structure. A large (003) spacing will significantly decrease the energy barrier associated with lithium diffusion. Besides better rate capability, the Sn-doped material exhibits an unexpected much improved capacity above 3.0 V (vs Li+/Li), which is highly desired in future applications.
Original language | English |
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Pages (from-to) | 3915-3920 |
Number of pages | 6 |
Journal | Advanced Materials |
Volume | 27 |
Issue number | 26 |
DOIs | |
Publication status | Published - 1 Jul 2015 |
Externally published | Yes |
Keywords
- cathodes
- doping
- layered structures
- lithium-ion batteries