Electrochemical properties of novel organodisulfide poly 1,2-bis(thiophen-3-ylmethyl)disulfane as cathode material for secondary lithium batteries
Electrochemical properties of novel organodisulfide poly 1,2-bis(thiophen-3-ylmethyl)disulfane as cathode material for secondary lithium batteries
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新型有机二硫化物聚1,2-双(噻吩-3-基甲基)二硫烷作为二次锂电池正极材料的电化学性能
DOI:
10.1016/j.energy.2009.05.032
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发表时间:
2009-09
期刊:
影响因子:
9
通讯作者:
Xu Changwei
中科院分区:
文献类型:
--
作者:
Dong wen;Weng Guoming;Zhang jianhua;Liu zhaoqing;Su Yuzhi;Xu Changwei
We successfully synthesized a new organodisulfide poly 1,2-bis(thiophen-3-ylmethyl)disulfane by a facile preparation method. The types of the chemical groups of poly-3-thienylthiophene were characterized by Fourier transform infrared spectroscopy (FTIR). The electrochemical properties of S–S bonds redox behavior in the organodisulfides were investigated in CH3CN/0.1M [Bu4N] [PF6] solution. The separation of the anodic and cathodic peak potentials for poly 1,2-bis(thiophen-3-ylmethyl)disulfane is 180mV. The results indicated that poly 1,2-bis(thiophen-3-ylmethyl)disulfane has an excellent electrochemical reversibility. The average specific capacity of 230mAhg−1for poly-3-thienylthiophene is about 2 times higher than that of LiCoO2.
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影响因子:
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