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A novel Na2Ti3O7/active carbon fiber (NTO/ACF) nanocomposite was designed through a one-dimensional active carbon fiber as a support for Na2Ti3O7 nanosheets, exhibiting excellent electrochemical performance with high specific capacity and superior energy density.

A novel tungsten disulfide/active carbon fiber (WS2/ACF) nanocomposite was synthesized through electrospinning and a subsequent hydrothermal method, with the WS2 nanosheets homogeneously decorated on the surface of the one-dimensional active carbon fiber.