An electrospun hierarchical LiV3O8 nanowire-in-network for high-rate and long-life lithium batteries

摘要: Structural and morphological control of the LiV3O8 material has a significant impact on its electrochemical performance. In order to obtain favorable structure, hierarchical nanowire-in-network is designed constructed by electrospinning through polymer crosslinking strategy. The effect between poly(vinyl alcohol) (PVA) poly(ethylene oxide) (PEO) not only benefits electrospinning, but also realizes mild multi-step degradation process during calcination. Based temperature-dependent experiments thermogravimetric (TG) analysis, function blends formation mechanism structure are discussed in detail. As cathode for lithium batteries, exhibits high initial capacity 320.6 mA h g−1 at 100 high-rate 202.8 2000 g−1. This remarkable performance attributed unique which provides large effective contact area, low charge transfer resistance, improved structural stability. Our work indicates that promising use long-life rechargeable batteries.