title: Nickel cobalt oxide/carbon nanotubes hybrid as a high-performance electrocatalyst for metal/air battery.
abstract: High-performance, low cost catalyst for oxygen reduction reaction (ORR) remains a big challenge. Herein, nanostructured NiCo2O4/CNTs hybrid was proposed as a high-performance catalyst for metal/air battery for the first time. The well-formed NiCo2O4/CNTs hybrid was studied by steady-state linear polarization curves and galvanostatic discharge curves in comparison with CNTs-free NiCo2O4 and commercial carbon-supported Pt. Because of the synergistic effect, NiCo2O4/CNTs hybrid exhibited significant improvement of catalytic performance in comparison with NiCo2O4 or CNTs alone, even outperforming Pt/C hybrid in ORR process. In addition, the benefits of Ni incorporation were demonstrated by the improved catalytic performance of NiCo2O4/CNTs compared to Co3O4/CNTs, which should be attributed to improved electrical conductivity and new, highly efficient, active sites created by Ni cation incorporation into the spinel structure. NiCo2O4/CNTs hybrid could be used as a promising catalyst for high power metal/air battery.
authors: College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P.R. China. wanghy419@126.com ygtang@csu.edu.cn.
authors: Hui
authors: H
authors: Zhang
authors: Hang
authors: H
authors: Qiao
authors: Haiyan
authors: H
authors: Wang
authors: Nan
authors: N
authors: Zhou
authors: Jiajie
authors: J
authors: Chen
authors: Yougen
authors: Y
authors: Tang
authors: Jingsha
authors: J
authors: Li
authors: Chenghuan
authors: C
authors: Huang