Biotemplate assisted synthesis of 3D hierarchical porous NiO for supercapatior application with excellent rate performance
文献类型： 外文期刊
作者： He, Jing 1 ; Zhao, Yufeng 1 ; Xiong, Ding-Bang 2 ; Ran, Wei 1 ; Xu, Jiang 1 ; Ren, Yuqin 3 ; Zhang, Long 1 ; Tang, Yongfu 1 ;
作者机构： 1.Yanshan Univ, Key Lab Appl Chem, Qinhuangdao 066004, Peoples R China
2.Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
3.Chinese Acad Fishery Sci, Beidaihe Ctr Expt Stn, Beidaihe 066100, Peoples R China
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 ）
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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)).
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