Structure-mediated fluid-involved behaviors promote the performance of a carbon-based supercapacitor
Abstract
Carbon nanotube sponges (CNTSs), a promising electrode material, are limited by inherent hydrophobicity. Herein, various TiO2 nanostructures were synthesized inside CNTSs, providing pseudocapacitance and regulating the wettability and ion migration of the electrolyte, thereby enhancing the area-specific capacitance by up to 250%. These results offer insights into advanced energy storage systems.

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