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

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192 引用（Scopus）

摘要

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.

源语言	英语
页（从-至）	3915-3920
页数	6
期刊	Advanced Materials
卷	27
期	26
DOI	https://doi.org/10.1002/adma.201500956
出版状态	已出版 - 1 7月 2015
已对外发布	是

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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.",

keywords = "cathodes, doping, layered structures, lithium-ion batteries",

author = "Yongqing Wang and Zhenzhong Yang and Yumin Qian and Lin Gu and Haoshen Zhou",

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AU - Wang, Yongqing

AU - Yang, Zhenzhong

AU - Qian, Yumin

AU - Gu, Lin

AU - Zhou, Haoshen

PY - 2015/7/1

Y1 - 2015/7/1

N2 - 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.

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.

KW - cathodes

KW - doping

KW - layered structures

KW - lithium-ion batteries

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

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