A lightweight carbon nanofiber-based collector

(Science China Press) Lithium metal is considered to be the most promising anode material for the next-generation rechargeable batteries. However, the growth of lithium dendrite and the resulted poor cyclic stability and safety issues greatly hinder the practical application. This work shows a lightweight three-dimensional carbon nanofiber framework with high nitrogen-doping level as current collector, which effectively restrains the dendrite growth and achieves uniform lithium deposition, showing great potential in promoting the application of lithium metal anodes.

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