氨基蒽醌衍生物的合成及其用作锂电池正极材料的电化学性能  

Preparation and Electrochemical Performance of Aminoanthraquinone Derivative as Cathode Materials in Rechargeable Lithium Batteries

作　　者：赵磊[1] 王安邦[2] 王维坤[2] 余仲宝[2] 陈实[1] 杨裕生[1,2] 

机构地区：[1]北京理工大学化工与环境学院,北京100081 [2]防化研究院军用化学电源研究与发展中心,北京100191

出　　处：《物理化学学报》2012年第3期596-602,共7页Acta Physico-Chimica Sinica

基　　金：国家重点基础研究发展计划项目(973)(2009CB220100)资助~~

摘　　要：合成了两种新型的有机正极材料——5-氨基-2,3-二氢-1,4-二羟基蒽醌(ADDAQ)和5-氨基-1,4-二羟基蒽醌(ADAQ),用核磁氢谱(1H-NMR)、质谱(MS)、元素分析(EA)、傅里叶红外(FTIR)光谱、紫外-可见(UV-Vis)光谱等方法对材料进行了表征,应用恒流充放电(GD/C)、循环伏安法(CV)、交流阻抗(EIS)等测试手段对材料的电化学性能进行了测试.实验结果表明:相比ADDAQ,ADAQ首次放电容量和循环性能都有显著提高.ADAQ的首次放电比容量为185mAh·g-1,50次循环之后容量为93mAh·g-1.并讨论了ADDAQ和ADAQ电化学性能差异的原因.Two novel organic compounds,5-amino-2,3-dihydro-1,4-dyhydroxy anthraquinone（ADDAQ） and 5-amino-1,4-dyhydroxy anthraquinone（ADAQ）,were synthesized as cathode materials for lithium batteries.The compounds were characterized by 1 H nuclear magnetic resonance（ 1 H NMR）spectroscopy, mass spectrometry（MS）,elemental analysis（EA）,Fourier transform infrared spectroscopy（FTIR）, ultraviolet-visible（UV-Vis）spectroscopy.The electrochemical performance of the compounds was investigated by galvanostatic discharge/charge（GD/C）measurements,cyclic voltammetry（CV）,and electrochemical impedance spectrum（EIS）.Compared with ADDAQ,the initial discharge specific capacity and cycle performance of ADAQ were effectively improved.The initial discharge specific capacity of ADAQ was 185 mAh·g -1 ,after 50 cycles,the specific capacity was maintained at 93 mAh·g -1 .A reason for this improvement is discussed.

关 键 词：锂电池 5-氨基-2 3-二氢-1 4-二羟基蒽醌 5-氨基-1 4-二羟基蒽醌 有机正极材料 电化学性能 

分 类 号：TM912[电气工程—电力电子与电力传动]