A polyimide ion-conductive protection layer to suppress side reactions on Li4Ti5O12 electrodes at elevated temperature

作者：Lu, Qingwen; Fang, Jianhua; Yang, Jun^*; Feng, Xuejiao; Wang, Jiulin; Nuli, Yanna

来源：RSC Advances, 2014, 4(20): 10280-10283.

DOI：10.1039/c3ra47694d

• ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY
• LITHIUM-ION
• SPINEL LI4TI5O12
• BATTERIES
• PERFORMANCE
• INSERTION
• CELLS
• MEMBRANE

A novel ion-conductive polyimide nanoscale layer is formed on the Li4Ti5O12 anode material via a stepwise thermal imidization of polyamic acid to suppress the interfacial side reactions, and leads to a significant improvement in electrochemical performances at elevated temperature.

• 出版日期2014
• 单位上海交通大学