塔菲尔方程
电催化剂
过电位
析氧
材料科学
碳纳米管
纳米技术
分解水
纳米颗粒
化学工程
催化作用
纳米管
电化学
物理化学
电极
化学
光催化
有机化学
工程类
作者
Xiaoxia Wu,Yiwei Yang,Tong Zhang,Bingkai Wang,Huajie Xu,Xingbin Yan,Yu Tang
标识
DOI:10.1021/acsami.9b12221
摘要
Developing hollow self-supported nanotube arrays with hierarchical microporous and abundant multiactive sites shows great promise for oxygen evolution reaction (OER) electrocatalysis. Herein, a facile and low-cost strategy of NiCo2S4 hollow nanotubes arrays decorated with CeOx nanoparticles (NPs) assembled on a flexible support carbon cloth (CC) for enhanced OER performance is reported. The obtained hierarchical nanoarrays CeOx/NiCo2S4/CC exhibited excellent activity toward OER with an overpotential (270 mV) at 10 mA cm-2, relatively weak Tafel slope, and distinguished durability. CeOx/NiCo2S4/CC nanoarrays not only provide fast electronic transmission and well-defined connection to the substrate but also defective sites and electron transfer by the introduction of CeOx NPs. This new strategy was offered to construct low-cost and effectively hierarchical structural electrocatalysts containing rare-earth species.
科研通智能强力驱动
Strongly Powered by AbleSci AI