期刊论文

Tang, Yiwen;Wang, Hai

英文

Journal of Alloys and Compounds

0925-8388

2022

895

162535

10.1016/j.jallcom.2021.162535

CRediT authorship contribution statement Pengcheng Qi: Conceptualization, Methodology, Validation, Investigation, Writing – original draft. Hai Wang: Methodology, Resources, Writing – review & editing, Project administration, acquisition. Yu Lu: Investigation. Mingyue Chen: Investigation. Gaofu Liu: Project administration. Wenhui Li: Investigation. Chuqiang Huang: Methodology, Writing – review & editing. Yiwen Tang: Conceptualization, Methodology, Resources, Writing – review & editing, Supervision, acquisition.

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Transition metal oxides as the electrode material of supercapacitors have been widely studied due to their high energy density. However, relatively low power density resulting from poor conductivity of the metal oxides limits their application. In this paper, a new N-doped NiCoO2 nanosheet array on Ni foam was synthesized through an ammonia-induced reduction strategy. During the ventilation of NH3 in the ammonia annealing stage, N was doped into the structure of NiCoO2, which leads to increased concentration of oxygen vacancies and improved conductivity. As a positive electrode, N-doped NiCoO2...