Facile Combustion Synthesis and Electrochemical Performance of the Cathode Material Li1.231Mn0.615Ni0.154O2

被引：7
|
作者：
Liao, Shi-Xuan [1 ]
Zhong, Ben-He [1 ]
Guo, Xiaodong [1 ]
Shi, Xia-Xing [1 ]
Hua, Wei-Bo [1 ]
机构：
[1] Sichuan Univ, Coll Chem Engn, Chengdu 610065, Peoples R China
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2013年 / 2013卷 / 31期
关键词：
Lithium; Manganese; Electrochemistry; Cathode materials; Batteries; LITHIUM-ION BATTERIES; X-RAY-DIFFRACTION; ANOMALOUS CAPACITY; SOLID-SOLUTION; ELECTRODES; MN; NI; CO; COMPLEXITY; BEHAVIOR;
D O I：
10.1002/ejic.201300822
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The composite Li1.231Mn0.615Ni0.154O2 has been prepared by a facile combustion synthesis. X-ray diffraction, thermogravimetric analysis, chemical analysis, X-ray photoelectron spectroscopy and scanning electron microscope were used to characterize the resultant composite and its precursor. The results show that a well-crystallized layered hexagonal structured composite (Li1.231Mn0.615Ni0.154O2)-Ni-IV-O-II is obtained. The resultant composite serves as a cathode material for lithium ion batteries, and galvanostatic charge/discharge tests and cyclic voltammetry revealed that the composite exhibits excellent electrochemical performance. The as-prepared electrode delivers an average specific energy density as high as 795 Whkg(-1) in the range 4.8-2.0 V (vs. Li/Li+) at a constant current density of 20 mAg(-1).
引用
收藏
页码：5436 / 5442
页数：7
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