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Transition metal oxide electrodes, with rational structure as well as component design and combination with carbonaceous conductive support, are widely used in high-performance lithium-ion batteries (LIBs). Herein, NiMoO4 nanowires in situ decorated on reduced graphene oxide (NiMoO4/rGO) were synthesized through a facile hydrothermal and subsequent annealing method. Due to the enhanced electrical...
Utilizing renewable and abundant biomass waste to prepare hierarchically porous carbons (HPC) materials with large surface area and good electrical conductivity have received considerable attention recently. In this work, a novel 3D HPC was prepared by a low-cost and facile hydrothermal process, carbonization, and chemical activation from Huiyuan® fruit grain orange (FGO) with expired deadline for...
Currently, supercapacitors (SCs) have been applied widely in energy storage field. In this work, porous Co3O4 polyhedra (PCP)/carbon nanotubes (CNTs) heterostructures were designed by in situ implanting CNTs into ZIF-67 with a subsequent pyrolysis process and used for SCs. Their morphology, structure, and electrochemical performance were characterized by field-emission scanning electron microscopy,...
TiO2-reduced graphene oxide (RGO) composite was synthesized via a sol-gel process and investigated as an anode material for sodium-ion batteries (SIBs). A remarkable improvement in sodium ion storage with a reversible capacity of 227 mAh g−1 after 50 cycles at 50 mA g−1 is achieved, compared to that (33 mAh g−1) for TiO2. The enhanced electrochemical performance of TiO2-RGO composite is attributed...
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