New Insights into Improving Rate Performance of Lithium-Rich Cathode Material

Yongqing Wang; Zhenzhong Yang; Yumin Qian; Lin Gu; Haoshen Zhou

doi:10.1002/adma.201500956

New Insights into Improving Rate Performance of Lithium-Rich Cathode Material

Yongqing Wang, Zhenzhong Yang, Yumin Qian, Lin Gu^*, Haoshen Zhou

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

198 Citations (Scopus)

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
Pages (from-to)	3915-3920
Number of pages	6
Journal	Advanced Materials
Volume	27
Issue number	26
DOIs	https://doi.org/10.1002/adma.201500956
Publication status	Published - 1 Jul 2015
Externally published	Yes

Keywords

cathodes
doping
layered structures
lithium-ion batteries

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1002/adma.201500956

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Wang, Y., Yang, Z., Qian, Y., Gu, L., & Zhou, H. (2015). New Insights into Improving Rate Performance of Lithium-Rich Cathode Material. Advanced Materials, 27(26), 3915-3920. https://doi.org/10.1002/adma.201500956

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AU - Gu, Lin

AU - Zhou, Haoshen

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AB - 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.

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KW - doping

KW - layered structures

KW - lithium-ion batteries

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New Insights into Improving Rate Performance of Lithium-Rich Cathode Material

Abstract

Keywords

UN SDGs

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