材料科学
电化学
阴极
佩多:嘘
锂离子电池
差示扫描量热法
聚(3,4-亚乙基二氧噻吩)
电池(电)
锂(药物)
复合数
化学工程
电极
扫描电子显微镜
纳米线电池
磷酸钒锂电池
复合材料
化学
聚合物
物理化学
医学
功率(物理)
物理
热力学
内分泌学
量子力学
工程类
作者
Li-Jane Her,Jin‐Long Hong,Chia‐Chin Chang
标识
DOI:10.1016/j.jpowsour.2005.07.047
摘要
A composite electrode material, poly(3,4-ethylenedioxythiophene) (PEDOT)/LiCoO2-carbon fibers (VGCF) from a continuous process of electrochemical deposition of 3,4-ethylenedioxythiophene (EDOT) monomer on the pre-formed LiCoO2-VGCF electrode, was prepared and characterized to test its applicability in lithium-ion battery. Compared to the bare LiCoO2-VGCF electrode, use of PEDOT/LiCoO2-VGCF composite as cathode in lithium-ion battery has enhanced properties such as the cyclability, electrochemical stability, intercalation/deintercalation rate of lithium ion and rate capability. Scanning electron microscope shows the successful coating of PEDOT on the LiCoO2 particles and the VGCF fibers. The differential scanning calorimetry (DSC) scans of the charged cathodes show that incorporation of PEDOT reduces the thermal stability of the cathode.
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