LiAl_0．03Mn_1．97O_4的流变相辅助微波合成及电化学性能
Synthesis and electrochemical properties of LiAl_0.03Mn_1.97O_4 by a rheological-phase-assisted microwave synthesis method
查看参考文献25篇
|
文摘
|
采用流变相辅助微波合成法，制备了结晶度好、纯度高的尖晶石相的锂离子电池正极材料LiAl_(0.03)Mn_(1.97)O_4。对其进行了XRD分析和SEM研究，并与传统固相法制备的LiMn_2O_4和LiAl_(0.03)Mn_(1.97)O_4进行了比较。结果表明，该合成法制备的LiAl_(0.03)Mn_(1.97)O_4具有优良的电化学性能，用这种材料制造的电池具有比较高的首次放电容量（115mAh／g）以及良好的可逆性和循环性能，25次循环后比容量几乎不变，保持在115mAh／g左右。 |
|
其他语种文摘
|
The LiAl_(0.03)Mn_(1.97)O_4 used in lithium-ion batteries was synthesized by a rheological-phase-assisted microwave synthesis method.The samples were compared with LiMn_2O_4 and LiAl_(0.03)Mn_(1.97)O_4 obtained from the traditional solid-state reaction method and were investigated by XRD and SEM.The sample was used as cathode material for lithium-ion battery,whose charge/discharge properties and cycle performance were examined.The results reveal that the powder prepared by this method exhibits a higher initial discharge capacity of 115 mAh/g,much better reversibility and good cycling stability,after 25 cycles without discharge capacity fading,retaining 115 mAh/g. |
|
来源
|
电子元件与材料
,2007,26(12):10-13 【扩展库】
|
|
关键词
|
电子技术
;
LiAl_0.03Mn_1．97O_4
;
锂离子电池正极材料
;
流变相辅助微波合成法
|
|
地址
|
中国科学院新疆理化技术研究所, 新疆, 乌鲁木齐, 830011
|
|
语种
|
中文 |
|
文献类型
|
研究性论文 |
|
ISSN
|
1001-2028 |
|
学科
|
电工技术 |
|
文献收藏号
|
CSCD:3044266
|
参考文献 共
25
共2页
|
|
1.
Zhang S S. Understanding formation of solid electrolyte interface film on LiMn2O4 electrode.
J Electrochem Soc,2002,149(12):1521-1526
|
被引
3
次
|
|
|
|
|
2.
Im D. Nanostructured lithium manganese oxide cathodes obtained by a reduction of aqueous lithium permanganate with hydrogen.
J Electrochem Soc,2003,150(6):742-746
|
被引
1
次
|
|
|
|
|
3.
Sun Y C. Improved electrochemical performances of surface-modified spinel LiMn2O4 for long cycle life lithium-ion batteries.
J Electrochem Soc,2003,150(10):1294-1298
|
被引
1
次
|
|
|
|
|
4.
Xia Y. An investigation of lithium ion insertion into spinel structure Li-Mn-O compounds.
J Electrochem Soc,1996,143:825-833
|
被引
20
次
|
|
|
|
|
5.
Amatucci G G. Materials'effects on the elevated and room temperature performance of C/LiMn2O4 Li-ion batteries.
J Power Sources,1997,69:11-25
|
被引
34
次
|
|
|
|
|
6.
Cummow R J. Improved capacity retention in rechargeable 4 V lithium/lithium-manganese oxide(spinel)cells.
Solid State Ionics,1994,69:59-67
|
被引
4
次
|
|
|
|
|
7.
Komaba S. Neutron powder diffraction studies of LiMn2-yAlyO4 synthesized by the emulsion drying method.
Solid State Ionics,2002,149:47-52
|
被引
4
次
|
|
|
|
|
8.
Julien C. structure and electrochemistry of LiMn2-yAlyO4 prepared by a wet-chemistry method.
J Mater Chem,2001,11:1837-1842
|
被引
12
次
|
|
|
|
|
9.
Amine K. Preparation and electrochemical investigation of LiMn2-xMexO4(Me:Ni Fe and x=0.
J Power Sources,1997,68(2):604-608
|
被引
25
次
|
|
|
|
|
10.
Fu Y P. Comparison of microwave-induced combustion and solid-state reaction for synthesis of LiMn2-xCrxO4 powders and their electrochemical properties.
Solid State Ionics,2004,166:137-146
|
被引
8
次
|
|
|
|
|
11.
Bang H J. Preparation and characterization of partially substituted LiMyMn2-yO4(M=Ni Co Fe)spinel cathodes for Li-ion batteries.
Electroch Acta,2002,48:443-451
|
被引
11
次
|
|
|
|
|
12.
Amine K. A new three-volt spinel Li1+xMn1.
J Electrochem Soc,1996,143(5):1607-1613
|
被引
31
次
|
|
|
|
|
13.
Song G M. Synthesis and electrochemical performance of LiCrxMn2-xO4 powders by mechanical activation and rotary heating.
J Power Sources,2004,128:270-277
|
被引
9
次
|
|
|
|
|
14.
Shao-Horn Y. Redox reactions of cobalt aluminum and titanium substituted lithium manganese spinel compounds in lithium cells.
Solid State Ionics,2001,139:13-25
|
被引
4
次
|
|
|
|
|
15.
Ye S H. Synthesis and electrochemical properties of LiMn2O4 spinel phase with nanostructure.
Electrochim Acta,2004,49:1623-1628
|
被引
14
次
|
|
|
|
|
16.
Liu R S. Structural and electrochemical study of cobalt doped LiMn2O4 spinels.
Solid State Ionics,2001,157:95-100
|
被引
1
次
|
|
|
|
|
17.
Zhou W J. Synthesis and electrochemical properties of LiAl0.05Mn1.95O4 by the ultrasonic assisted rheological phase method.
Electrochim Acta,2006,51(22):4701-4708
|
被引
7
次
|
|
|
|
|
18.
Xiao J. Layered-structure LiMn1-xCrxO2 for lithium-ion batteries by the rheological phase method.
Mater Lett,2004,58(10):1620-1624
|
被引
6
次
|
|
|
|
|
19.
Liu W. Synthesis and electrochemical studies of spinel phase LiMn2O4 cathode materials prepared by the pechini process.
J Electrochem Soc,1996,143:879-884
|
被引
79
次
|
|
|
|
|
20.
Kim J S. Significance of the tetrahedral a site on the electrochemical performance of substituted Li1.05M0.05Mn1.90O4 spinel electrodes (M = Li,Mg,Zn,Al) in lithium cells.
J Electrochem Soc,2003,150:1498-1502
|
被引
2
次
|
|
|
|
|
了解气象卫星更多信息，请访问