High-energy asymmetric electrochemical capacitors based on oxides functionalized hollow carbon fibers electrodes

By Ting Li and Wenliang Zhang and Lei Zhi and Hang Yu and Liqin Dang and Feng Shi and Hua Xu and Fangyuan Hu and Zonghuai Liu and Zhibin Lei and Jieshan Qiu
Published in Nano Energy NULL 2016

Abstract

Asymmetric supercapacitors (ASC) using traditional porous carbon as negative electrode usually suffer from low energy density. Herein, we report a high-performance negative electrode by growing columnar Fe2O3 nanorods vertically on activated hollow yet conductive carbon fiber (aCF), featuring bundled nanorods with a diameter of 50

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