Flexible Three-Dimensional Nanoporous Metal-Based Energy Devices

被引：109

作者：

Yang, Yang ^{[1
,2
]}

Ruan, Gedeng ^{[1
]}

Xiang, Changsheng ^{[1
]}

Wang, Gunuk ^{[1
,2
]}

Tour, James M. ^{[1
,2
,3
]}

机构：

[1] Rice Univ, Dept Chem, Houston, TX 77005 USA

[2] Rice Univ, Smalley Inst Nanoscale Sci & Technol, Houston, TX 77005 USA

[3] Rice Univ, Dept Mat Sci & NanoEngn, Houston, TX 77005 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2014年 / 136卷 / 17期

关键词：

WALLED CARBON NANOTUBES; ALL-SOLID-STATE; HIGH-PERFORMANCE; THIN-FILM; SUPERCAPACITORS; ELECTRODES; STORAGE; POWER;

D O I：

10.1021/ja501247f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A flexible three-dimensional (3-D) nanoporous NiF2-dominant layer on poly(ethylene terephthalate) has been developed. The nanoporous layer itself can be freestanding without adding any supporting carbon materials or conducting polymers. By assembling the nanoporous layer into two-electrode symmetric devices, the inorganic material delivers battery-like thin-film supercapacitive performance with a maximum capacitance of 66 mF cm(-2) (733 F cm(-3) or 358 F g(-1)), energy density of 384 Wh kg(-1), and power density of 112 kW kg(-1). Flexibility and cyclability tests show that the nanoporous layer maintains its high performance under long-term cycling and different bending conditions. The fabrication of the 3-D nanoporous NiF2 flexible electrode could be easily scaled.

引用

页码：6187 / 6190

页数：4

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