(PO4)3∿/sup> polyanions doped LiNi1/3Co1/3Mn1/3O2: An ultrafast-rate, long-life and high-voltage cathode material for Li-ion rechargeable batteries
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- 作者：Lina Conga ; b ; Qin Zhaoa ; b ; Zhao Wanga ; b ; Yuhang Zhanga ; b ; Xinglong Wua ; b ; Jingping Zhanga ; Rongshun Wanga ; b ; Haiming Xiea ; b ; xiehm136@nenu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Liqun Suna ; b ; sunlq446@nenu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Lithium ion battery ; LiNi1/3Co1/3Mn1/3O2 ; (PO4)3&minus ; polyanions doping ; Stepwise pre-cycling treatment
- 刊名：Electrochimica Acta
- 出版年：2016
- 出版时间：20 May 2016
- 年：2016
- 卷：201
- 期：Complete
- 页码：8-19
- 全文大小：4074 K
文摘
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LiNi1/3Co1/3Mn1/3O2 layered structure is doped with (PO4)3− polyanions.
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Results confirm that (PO4)3− influences MO6 octahedral environment in LiNi1/3Co1/3Mn1/3O2 lattice.
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Charge–discharge properties are investigated under high voltage battery operation.
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Cycling and rate performance of the doped materials is markedly enhanced.
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Pre-cycling treatment inhibits microcracks at the grain boundaries at 4.7–2.8 V.
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