Low-Cost High-Performance Solid-State Asymmetric Supercapacitors Based on MnO2 Nanowires and Fe2O3 Nanotubes

Peihua Yang; Yong Ding; Ziyin Lin; Zhongwei Chen; Yuzhi Li; Pengfei Qiang; Masood Ebrahimi; Wenjie Mai; C.P. Wong; Zhong Lin Wang

doi:10.1021/nl404008e

JOURNAL ARTICLE

Low-Cost High-Performance Solid-State Asymmetric Supercapacitors Based on MnO₂ Nanowires and Fe₂O₃ Nanotubes

Peihua Yang Yong Ding Ziyin Lin Zhongwei Chen Yuzhi Li Pengfei Qiang Masood Ebrahimi Wenjie Mai C.P. Wong Zhong Lin Wang

Year: 2014 Journal: Nano Letters Vol: 14 (2)Pages: 731-736 Publisher: American Chemical Society

DOI: 10.1021/nl404008e

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Abstract

A low-cost high-performance solid-state flexible asymmetric supercapacitor (ASC) with α-MnO2 nanowires and amorphous Fe2O3 nanotubes grown on flexible carbon fabric is first designed and fabricated. The assembled novel flexible ASC device with an extended operating voltage window of 1.6 V exhibits excellent performance such as a high energy density of 0.55 mWh/cm(3) and good rate capability. The ASC devices can find numerous applications as effective power sources, such as powering color-switchable sun glasses and smart windows.

Keywords:

Supercapacitor Materials science Nanowire Carbon nanotube Amorphous solid Nanotechnology Power density Solid-state Optoelectronics Voltage Energy storage Electrode Power (physics) Electrochemistry Engineering physics Electrical engineering

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Supercapacitor Materials and Fabrication

Physical Sciences → Materials Science → Electronic, Optical and Magnetic Materials

Advancements in Battery Materials

Physical Sciences → Engineering → Electrical and Electronic Engineering

Advanced Sensor and Energy Harvesting Materials

Physical Sciences → Engineering → Biomedical Engineering

Low-Cost High-Performance Solid-State Asymmetric Supercapacitors Based on MnO₂ Nanowires and Fe₂O₃ Nanotubes

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