High mass loading and high-density flower-like NiCo2O4 nanosheets on Ni foam for superior capacitance

被引：44

作者：

Tong, Zhixiang ^{[1
]}

Ji, Yajun ^{[1
]}

Tian, Qizhi ^{[1
]}

Ouyang, Weimin ^{[1
]}

机构：

[1] Univ Shanghai Sci & Technol, Coll Sci, Jungong Rd 334, Shanghai 200093, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2019年 / 55卷 / 62期

基金：

中国国家自然科学基金;

关键词：

HIGH-PERFORMANCE ELECTRODES; GRAPHENE; ARRAYS; ARCHITECTURES; FACILE; CO;

D O I：

10.1039/c9cc04135d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report a simple route for high-density flower-like NiCo2O4 nanosheets with ultrahigh mass loading of 9.2 mg cm(-2) on nickel foam to achieve superior capacitance. The as-assembled asymmetric supercapacitor yields a high energy density of 87.4 W h kg(-1) and an excellent cycle life with 93.2% capacitance retention after 11 000 cycles.

引用

页码：9128 / 9131

页数：4

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