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Controlled formation of BNb3O9 nanobelts as superior host material for high performance electrochemical energy storage

Haojie Zhu - No affiliation found

2019/06/30 Full-length article DOI: 10.1016/j.jpowsour.2019.04.051 Journal: Journal of Power Sources

Abstract:

Highlights•BNb3O9 hollowed-out nanobelts are formed by an adjustable-voltage electrospinning.•BNb3O9 hollowed-out nanobelts show superior performance to the microparticles.•LiFePO4/BNb3O9 cell presents 66% capacity retention after 200 cycles at 700 mA g−1.•Structural evolution of BNb3O9 upon lithiation is analyzed by in situ XRD.