Rechargeable lithium-ion batteries(LIBs)have become the dominant power source for portable devices.In search for new and better electrode materials for LIBs for future stationary storage,electronic devices and equipme...Rechargeable lithium-ion batteries(LIBs)have become the dominant power source for portable devices.In search for new and better electrode materials for LIBs for future stationary storage,electronic devices and equipments,people have recently started to look over crystalline ion-exchange materials with open channels that facilitate fast lithium ion transportation through the porous network.Herein,the use of Li-exchanged titanosilicate Na-JDF-L1 with a layered structure as anode materials for LIBs was reported.It shows a discharge capacity of 364 m Ah·g^(-1)after the 200 th cycle with ca.100%Coulombic efficiency and negligible loss of capacity,comparable with the lithium titanate anode.Furthermore,the incorporation of TiO_(2)in Li(Na)-JDF-L1 improves the electrochemical performance of the electrode with better initial Coulombic efficiency and higher rate performance.展开更多
文摘Rechargeable lithium-ion batteries(LIBs)have become the dominant power source for portable devices.In search for new and better electrode materials for LIBs for future stationary storage,electronic devices and equipments,people have recently started to look over crystalline ion-exchange materials with open channels that facilitate fast lithium ion transportation through the porous network.Herein,the use of Li-exchanged titanosilicate Na-JDF-L1 with a layered structure as anode materials for LIBs was reported.It shows a discharge capacity of 364 m Ah·g^(-1)after the 200 th cycle with ca.100%Coulombic efficiency and negligible loss of capacity,comparable with the lithium titanate anode.Furthermore,the incorporation of TiO_(2)in Li(Na)-JDF-L1 improves the electrochemical performance of the electrode with better initial Coulombic efficiency and higher rate performance.
