High-performance supercapacitor electrode based on amorphous mesoporous Ni(OH)2 nanoboxes

被引：131

作者：

Fu, Yan ^{[1
]}

Song, Jinmei ^{[2
,3
]}

Zhu, Youqi ^{[1
]}

Cao, Chuanbao ^{[1
]}

机构：

[1] Beijing Inst Technol, Res Ctr Mat Sci, Beijing 100081, Peoples R China

[2] Beijing Composite Mat Co Ltd, Beijing 102101, Peoples R China

[3] Beijing Univ Chem Technol, Beijing 100029, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2014年 / 262卷

基金：

中国国家自然科学基金;

关键词：

Amorphous; Mesoporous; Ni(OH)(2); Supercapacitor; X-RAY PHOTOELECTRON; NICKEL-HYDROXIDE; NANOSTRUCTURED MATERIALS; ELECTROCHEMICAL ROUTE; ENERGY-CONVERSION; OXIDE; MANGANESE; COBALT; CAPACITANCE; COMPOSITE;

D O I：

10.1016/j.jpowsour.2014.04.002

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Amorphous mesoporous Ni(OH)(2) nanoboxes are synthesized by template-engaged routes. The nanoboxes are characterized by SEM, TEM, XRD, XPS and BET methods. The nanoboxes have uniform morphology of 450-500 nm, high surface area of 214.6 m(2) g(-1) and mesoporous structure of 4-20 nm. Electrochemical characterization are tested using cyclic voltammetry, chronopotentiometry and impedance spectroscopy, respectively. These amorphous mesoporous Ni(OH)(2) hollow nanoboxes shows high specific capacitance of 2495, 2378, 2197, 1993 F g(-1) at discharge current of 1, 2, 5 and 10 A g(-1) respectively. The property tests demonstrate the high specific capacitance and excellent cycling of the amorphous Ni(OH)(2) nanoboxes material for high-performance electrochemical pseudocapacitors. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：344 / 348

页数：5

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