A new advanced lithium ion battery: Combination of high performance amorphous columnar silicon thin film anode, 5 V LiNi0.5Mn1.5O4 spinel cathode and fluoroethylene carbonate-based electrolyte solution

• New Li-ion battery comprising silicon film anode and LiNi0.5Mn1.5O4 spinel cathode
• Superior cycling performance of the columnar amorphous silicon thin film electrode
• Full high voltage LiNi0.5Mn1.5O4/Si Li-ion cell demonstrated hundreds of cycles.
• Excellent cycling performance in fluoroethylene carbonate based electrolyte solution

A new advanced Li-ion battery comprising a high performance amorphous columnar silicon thin film anode, a high voltage LiNi0.5Mn1.5O4 spinel composite cathode and fluoroethylene carbonate (FEC)-based electrolyte solution (FEC/DMC 1:4 with 1 M LiPF6) is reported. This advanced battery demonstrated hundreds of cycles, excellent charge–discharge efficiency and rate capability.