Biotemplate assisted synthesis of 3D hierarchical porous NiO for supercapatior application with excellent rate performance

文献类型： 外文期刊

第一作者： He, Jing

作者： He, Jing;Zhao, Yufeng;Ran, Wei;Xu, Jiang;Zhang, Long;Tang, Yongfu;Gao, Faming;Xiong, Ding-Bang;Ren, Yuqin

作者机构：

关键词： Hierarchical porous;Nickel oxide;Supercapacitor;AFM;Ceramics

期刊名称：MATERIALS LETTERS （ 影响因子：3.423； 五年影响因子：3.003 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： A novel 3D hierarchical porous nickel oxide (NiO) was fabricated by a facile biotemplate assisted method. Physicochemical characterizations indicate that the as prepared hierarchical porous NiO is assembled by multiple-layered porous nanosheets, of which the pore structure is highly ordered. The electrochemical performance of the as prepared hierarchical porous NiO was carried out in 6 M KOH, exhibited relatively high specific capacitance value of 493 F g~(-1) at a current density of 0.3 A g~(-1), good rate performance (～93% capacity retention from 0.3 A g~(-1) to 10 A g~(-1)), as well as good cycling stability (～96% retention upon 2000 charge/discharge cycles at 10 A g~(-1)).

分类号： TB1`TB3

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