Effect of cation and anion doping on microstructure and electrochemical properties of the LiMn1.5Ni0.5O4-δ spinel

被引：48

作者：

Hagh, Nader M. ^{[1
]}

Amatucci, Glenn G. ^{[1
]}

机构：

[1] Rutgers State Univ, Dept Mat Sci & Engn, ESRG, North Brunswick, NJ 08902 USA

来源：

JOURNAL OF POWER SOURCES | 2014年 / 256卷

关键词：

Li-ion; Spinel; High voltage cathode; Secondary battery; Cation and anion doping; Elevated temperature cycling; ELECTRODE MATERIALS; LITHIUM; LINI0.5MN1.5O4; CATHODES; PERFORMANCE; INSERTION; BEHAVIOR;

D O I：

10.1016/j.jpowsour.2013.12.135

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：

A detailed investigation of the structural and electrochemical impact of lithium and fluorine substitutions on the 4.7 V LiMn1.5Ni0.5O4-delta (LMNO) positive electrode for Li-ion batteries was accomplished. Impact of subsequent transition metal substitution on the tetrahedral 8a sites was also investigated relative to rate and elevated temperature cycling stability. Significantly improved cycling in excess of 600 cycles was established for an anion modified spinel relative to an optimized benchmark material at 60 degrees C. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：457 / 469

页数：13

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