Fe-stabilized Li-rich layered Li1.2Mn0.56Ni0.16Co0.08O2 oxide as a high performance cathode for advanced lithium-ion batteries

被引：34
作者：
Yi, Ting-Feng [1 ]
Li, Yan-Mei [1 ]
Cai, Xu-Dong [1 ]
Yang, Shuang-Yuan [1 ]
Zhu, Yan-Rong [1 ]
机构：
[1] Anhui Univ Technol, Sch Chem & Chem Engn, Maanshan 243002, Anhui, Peoples R China
来源：
MATERIALS TODAY ENERGY | 2017年 / 4卷
基金：
中国国家自然科学基金;
关键词：
Li1.2Mn0.56Ni0.16Co0.08-O-2; Cathode materials; Fe doping; Electrochemical performance; ENHANCED ELECTROCHEMICAL PERFORMANCE; CHARGE-DISCHARGE PERFORMANCE; IMPROVED CYCLING STABILITY; HIGH-CAPACITY; HIGH-VOLTAGE; ASSISTED SYNTHESIS; ANODE; INTERFACE; NANOWIRES; KINETICS;
D O I：
10.1016/j.mtener.2017.03.005
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：
Fe-doped Mn based Li rich cathode materials Li1.2Mn0.56Ni0.16Co0.08-xFexO2 (x = 0, 0.01, 0.03, 0.05, 0.08) have been successfully prepared by traditional sol-gel technology. XRD Rietveld refinement results show that pristine and Fe-doped Li rich cathodes have layered alpha-NaFeO2 structure. SEM indicates that all samples have similar morphologies with a homogeneous particle distribution. EDS mapping exhibits that Mn, Co, Ni, Fe, and O atoms are uniformly distributed on the surface of Fe-doped Li1.2Mn0.56Ni0.16Co0.08O2 the powder. Fe doped Li rich electrodes show high reversible capacities than the pristine Li1.2Mn0.56Ni0.16Co0.08O2 at a current density of 2 C rate. After 100 cycles, the reversible capacities of Li1.2Mn0.56Ni0.16Co0.08- xFexO2 (x = 0, 0.01, 0.03, 0.05 and 0.08) cathodes are 73.2, 75.2, 85.3, 104.7 and 74.8 mAh g(-1), respectively. Especially, Li1.2Mn0.56Ni0.16Co0.03Fe0.05O2 cathodes shows the highest discharge capacity among all samples. Li1.2Mn0.56Ni0.16Co0.03Fe0.05O2 also shows larger discharge capacity than the pristine Li1.2Mn0.56Ni0.16Co0.03Fe0.05O2 at each cycle at 1 C rate and elevated temperature (55 degrees C). The increased discharge capacity and cycling performance at high current density and elevated temperature of Li1.2Mn0.56Ni0.16Co0.03Fe0.05O2 may be ascribed to the decreased charge transfer resistance, the enhanced Li-ion diffusion and the reduced electrode polarization. (c) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：25 / 33
页数：9
相关论文
共 46 条
[1]   Long-Range and Local Structure in the Layered Oxide Li1.2Co0.4Mn0.4O2 [J].
Bareno, J. ;
Balasubramanian, M. ;
Kang, S. H. ;
Wen, J. G. ;
Lei, C. H. ;
Pol, S. V. ;
Petrov, I. ;
Abraham, D. P. .
CHEMISTRY OF MATERIALS, 2011, 23 (08) :2039-2050
[2]   Synthesis and performances of Li-Rich@AlF3@Graphene as cathode of lithium ion battery [J].
Chen, Dongrui ;
Tu, Wenqiang ;
Chen, Min ;
Hong, Pengbo ;
Zhong, Xiaoxin ;
Zhu, Yunmin ;
Yu, Qipeng ;
Li, Weishan .
ELECTROCHIMICA ACTA, 2016, 193 :45-53
[3]   Effect of a ZrO2 coating on the structure and electrochemistry of LixCoO2 when cycled to 4.5 V [J].
Chen, ZH ;
Dahn, JR .
ELECTROCHEMICAL AND SOLID STATE LETTERS, 2002, 5 (10) :A213-A216
[4]   Study of the LiMn1.5Ni0.5O4/Electrolyte Interface at Room Temperature and 60°C [J].
Duncan, Hugues ;
Duguay, Dominique ;
Abu-Lebdeh, Yaser ;
Davidson, Isobel J. .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2011, 158 (05) :A537-A545
[5]   Hydrothermal-Assisted Synthesis of Li-Rich Layered Oxide Microspheres with High Capacity and Superior Rate-capability as a Cathode for Lithium-ion Batteries [J].
Fan, Jianming ;
Li, Guangshe ;
Luo, Dong ;
Fu, Chaochao ;
Li, Qi ;
Zheng, Jing ;
Li, Liping .
ELECTROCHIMICA ACTA, 2015, 173 :7-16
[6]   Preparation and electrochemical properties of high-voltage cathode materials, LiMyNi0.5-yMn1.5O4 (M = Fe, Cu, Al, Mg; y=0.0-0.4) [J].
Fey, GTK ;
Lu, CZ ;
Kumar, TP .
JOURNAL OF POWER SOURCES, 2003, 115 (02) :332-345
[7]   Effects of amorphous V2O5 coating on the electrochemical properties of Li[Li0.2Mn0.54Ni0.13Co0.13]O2 as cathode material for Li-ion batteries [J].
He, Huibing ;
Zan, Ling ;
Zhang, Youxiang .
JOURNAL OF ALLOYS AND COMPOUNDS, 2016, 680 :95-104
[8]   Modulating the Li+/Ni2+ replacement and electrochemical performance optimizing of layered Lithium-rich Li1.2Ni0.2Mn0.6O2 by minor Co dopant [J].
Huang, Xiaolan ;
Wang, Min ;
Che, Renchao .
JOURNAL OF MATERIALS CHEMISTRY A, 2014, 2 (25) :9656-9665
[9]   Microwave Irradiation Controls the Manganese Oxidation States of Nanostructured (Li[Li0.2Mn0.52Ni0.13Co0.13Al0.02]O2) Layered Cathode Materials for High-Performance Lithium Ion Batteries [J].
Jafta, Char J. ;
Raju, Kumar ;
Mathe, Mkhulu K. ;
Manyala, Ncholu ;
Ozoemena, Kenneth I. .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2015, 162 (04) :A768-A773
[10]   Microwave-Assisted Synthesis of High-Voltage Nanostructured LiMn1.5Ni0.5O4 Spinel: Tuning the Mn3+ Content and Electrochemical Performance [J].
Jafta, Charl J. ;
Mathe, Mkhulu K. ;
Manyala, Ncholu ;
Roos, Wiets D. ;
Ozoemena, Kenneth I. .
ACS APPLIED MATERIALS & INTERFACES, 2013, 5 (15) :7592-7598
12345