LiNi0.5Mn0.5O2 hierarchical nanorods as high-capacity cathode materials for Li-ion batteries

被引：19

作者：

Yang, Jingang ^{[1
,2
]}

Guo, Biao ^{[1
]}

He, Hong ^{[1
]}

Li, Yuan ^{[1
]}

Song, Chunlin ^{[1
]}

Liu, Gang ^{[1
]}

机构：

[1] Southwest Univ, Fac Mat & Energy, Chongqing 400715, Peoples R China

[2] Nankai Univ, Minist Educ, Key Lab Adv Energy Mat Chem, Tianjin 300071, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 698卷

基金：

中国国家自然科学基金;

关键词：

LNMO-NRs; High-capacity; Cathode materials; Lithium-ion batteries; HIGH-RATE CAPABILITY; PERFORMANCE;

D O I：

10.1016/j.jallcom.2016.12.264

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

LiNi0.5Mn0.5O2 nanorods (LNMO-NRs) stacked with nanoparticles have been prepared and investigated as cathode materials for rechargeable lithium-ion batteries. The LNMO NRs were obtained through solid-state Li and Ni implantation of alpha-MnO2 nanotubes. Without surface modification, the as synthesized LNMO NRs exhibited superior high-capacity compared to the bulk samples. An initial discharge capacity of 172 mAh g(-1) could be delivered at 0.2 C and about 88% capacity retention could be achieved after 100 cycles. The remarkable performance was attributed to the one-dimensional structure assembled with nanoparticles that shows fast Li-intercalation kinetics and high structural stability. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：714 / 718

页数：5

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