聚氨酯
材料科学
乳状液
锂(药物)
极限抗拉强度
复合材料
聚酯纤维
介电谱
锂离子电池
傅里叶变换红外光谱
电池(电)
胶粘剂
化学工程
电化学
电极
化学
功率(物理)
物理化学
内分泌学
工程类
物理
医学
图层(电子)
量子力学
作者
Chun Liu Zhu,Can Tao,Jun Jie Bao,Yi Huang,Guo-Yi Xu
出处
期刊:Advanced Materials Research
日期:2015-02-01
卷期号:1090: 199-204
被引量:7
标识
DOI:10.4028/www.scientific.net/amr.1090.199
摘要
LiFePO 4 based Lithium-ion batteries are prepared by nonionic waterborne polyurethane with different soft segments which act as binder. FTIR is used to characterize the structure of waterborne polyurethanes .The emulsion viscosity, mechanical properties of films are measured. The result shows that, the emulsion viscosity and tensile strength of polyurethane based polyether glycol are smaller than polyurethane based polyester. Charge-discharge, cycle performance and AC impedance spectroscopy measurement indicat that the first charge-discharge efficiency is 92%, the biggest discharge capacity is 115 mAh/g for lithium-ion batteries based on waterborne polyurethane as adhesive which equaled to PVDF, the batteries have a good cycle performance and high cycle efficiency and the impedance of batteries are small than PVDF.
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