Abstract
Abstract One-dimensional (1-D) nanomaterials with superior specific capacity, higher rate capability, better cycling peroperties have demonstrated significant advantages for high-performance Li-ion batteries and supercapacitors. This review describes some recent developments on the rechargeable electrodes by using 1-D nanomaterials (such as LiMn2O4 nanowires, carbon nanofibers, NiMoO4 · nH2O nanorods, V2O5 nanoribbons, carbon nanotubes, etc.). New preparation methods and superior electrochemical properties of the 1-D nanomaterials including carbon nanotube (CNT), some oxides, transition metal compounds and polymers, and their composites are emphatically introduced. The VGCF/LiFePO4/C triaxial nanowire cathodes for Li-ion battery present a positive cycling performance without any degradation in almost theoretical capacity (160 mAh/g). The Si nanowire anodes for Li-ion battery show the highest known theoretical charge capacity (4277 mAh/g), that is about 11 times lager than that of the commercial graphite (∼372 mAh/g). The SWCNT/Ni foam electrodes for supercapacitor display small equivalent series resistance (ESR, 52 mΩ) and impressive high power density (20 kW/kg). The advantages and challenges associated with the application of these materials for energy conversion and storage devices are highlighted.
Highlights
The greatest challenges in the twenty-first century are unquestionably global warming and the finite nature of fossil fuels
Supercapacitors, which are promising auxiliary power sources for hybrid electric vehicles, have raised considerable attention over the past decade due to high power density and long cycle life compared to secondary batteries and high energy density vis–a–vis electrical double–layer capacitors [2]
We focus on the preparation and application of 1-D nanomaterials for rechargeable Li-ion battery and supercapacitor
Summary
The greatest challenges in the twenty-first century are unquestionably global warming and the finite nature of fossil fuels. Rechargeable Li-ion battery with high energy density, high working potential and long cycling life has been considered as one of the most promising power sources of portable systems and electric vehicles. Supercapacitors, which are promising auxiliary power sources for hybrid electric vehicles, have raised considerable attention over the past decade due to high power density and long cycle life compared to secondary batteries and high energy density vis–a–vis electrical double–layer capacitors [2]. The performance of these electrochemical energy conversion and storage devices depends intimately on the proper-.
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