期刊論文

標題 A strategy for preparing solid polymer electrolytes via the electrospinning process
學年 109
學期 1
出版(發表)日期 2020/11/01
作品名稱 A strategy for preparing solid polymer electrolytes via the electrospinning process
作品名稱(其他語言)
著者 Chun-Wai Chang; Wei-Chi Lai
單位
出版者
著錄名稱、卷期、頁數 Journal of the Taiwan Institute of Chemical Engineers 116, p.279-285
摘要 Since it is generally believed that the crystalline phase of solid polymer electrolytes (SPEs) is detrimental to ion transport, a strategy using the electrospinning technique was employed to reduce the crystallinity of SPEs. In this study, poly(ethylene oxide) (PEO)-LiClO4 SPEs fabricated by this strategy were compared with SPEs fabricated by the conventional solution casting method. Scanning electron microscopy (SEM) showed the changes in the nanofibrous structure of the electrospun SPEs when lithium salts were added. Fourier transform infrared spectroscopy (FTIR) was used to ensure that the free Li+ cations of LiClO4 are coordinated with the ether oxygen groups on the PEO chains after the electrospinning process. The results of differential scanning calorimetry (DSC) and X-ray diffraction (XRD) analyses showed that the crystalline phase is not well developed after the electrospinning process, which leads to enhanced ionic conductivities in the electrospun SPEs. Under the same chemical composition, the conductivity of the electrospun SPEs is enhanced from 1.03 × 10−7 S/cm to 3.13 × 10−5 S/cm at room temperature, compared with that of the conventional SPEs. Moreover, the ionic conductivities of the SPEs increase with temperature and obey the Arrhenius law.
關鍵字 Solid polymer electrolyte;Electrospinning;Poly(ethylene oxide)
語言 英文
ISSN 1876-1089
期刊性質 國外
收錄於 SCI;EI;
產學合作
通訊作者 Wei-Chi Lai
審稿制度
國別 荷蘭
公開徵稿
出版型式 ,電子版,紙本