Facile synthesis of CNTs/Co(OH)2 hybrid nanostructures for high-performance electrochemical supercapacitor

被引：18

作者：

Li, Wei-Shuo ^{[1
]}

Chang, Man-Lin ^{[1
,2
]}

Cheng, Huang-Chung ^{[1
,2
]}

机构：

[1] Natl Chiao Tung Univ, Dept Elect Engn, 1001 Univ Rd, Hsinchu 300, Taiwan

[2] Natl Chiao Tung Univ, Inst Elect, 1001 Univ Rd, Hsinchu 300, Taiwan

来源：

CHEMICAL PHYSICS LETTERS | 2020年 / 739卷

关键词：

Carbon nanotubes (CNTs); Cobalt hydroxide (Co(OH)(2)); Hydrothermal method; Supercapacitor; Hybrid structure; Low-temperature; COBALT HYDROXIDE NANOSHEETS; CARBON NANOTUBES; ENERGY-STORAGE; ELECTRODES; FRAMEWORK; AEROGELS; BATTERY; ANODES; FIBER;

D O I：

10.1016/j.cplett.2019.137003

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：

The sprayed carbon nanotubes (CNTs) and cobalt hydroxide (Co(OH)(2)) were successfully prepared by a simple low-temperature hydrothermal method as supercapacitor electrode. With the hydrothermal time of 120 min, highest specific capacitance of 1154.01 F/g at a scan rate of 20 m Vs(-1) in 3 M KOH was observed. The CNTs/Co (OH)(2) hybrid structures demonstrates an enhanced specific capacitance and the best cycling stability with capacitance retention of 82% after 1000 cycles. Thus, this study exhibited that the CNTs/Co(OH)(2) has great potential application as electrode materials for electrochemical supercapacitors.

引用

页数：7

共 37 条

[1] Pseudocapacitive oxide materials for high-rate electrochemical energy storage [J].

Augustyn, Veronica ;

Simon, Patrice ;

Dunn, Bruce .

ENERGY & ENVIRONMENTAL SCIENCE, 2014, 7 (05) :1597-1614

[2] Electrochemical Impedance Spectroscopy Study into the Effect of Titanium Dioxide Added to the Alkaline Manganese Dioxide Cathode [J].

Bailey, Mark R. ;

Donne, Scott W. .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2011, 158 (07) :A802-A808

[3] Flexible Zn2SnO4/MnO2 Core/Shell Nanocable-Carbon Microfiber Hybrid Composites for High-Performance Supercapacitor Electrodes [J].

Bao, Lihong ;

Zang, Jianfeng ;

Li, Xiaodong .

NANO LETTERS, 2011, 11 (03) :1215-1220

[4] Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni [J].

Biesinger, Mark C. ;

Payne, Brad P. ;

Grosvenor, Andrew P. ;

Lau, Leo W. M. ;

Gerson, Andrea R. ;

Smart, Roger St. C. .

APPLIED SURFACE SCIENCE, 2011, 257 (07) :2717-2730

[5] Composite Carbon Nano-Tubes (CNT)/Activated Carbon Electrodes for Non-Aqueous Super Capacitors Using Organic Electrolyte Solutions [J].

Borenstien, Arie ;

Noked, Malachi ;

Okashy, Sivan ;

Aurbach, Doron .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2013, 160 (08) :A1282-A1285

[6] Nanostructured Electrode Materials for Electrochemical Capacitor Applications [J].

Choi, Hojin ;

Yoon, Hyeonseok .

NANOMATERIALS, 2015, 5 (02) :906-936

[7] 3D Graphene-Cobalt Oxide Electrode for High-Performance Supercapacitor and Enzymeless Glucose Detection [J].

Dong, Xiao-Chen ;

Xu, Hang ;

Wang, Xue-Wan ;

Huang, Yin-Xi ;

Chan-Park, Mary B. ;

Zhang, Hua ;

Wang, Lian-Hui ;

Huang, Wei ;

Chen, Peng .

ACS NANO, 2012, 6 (04) :3206-3213

[8] Hybrid energy storage: the merging of battery and supercapacitor chemistries [J].

Dubal, D. P. ;

Ayyad, O. ;

Ruiz, V. ;

Gomez-Romero, P. .

CHEMICAL SOCIETY REVIEWS, 2015, 44 (07) :1777-1790

[9] A comparative study of graphene oxide affecting the nanoarchitecture and electrochemical properties of urchin-shape nickel cobalt oxide [J].

Feng Zhifu ;

Wu Haihong ;

Li Zhikun ;

Yang Baocheng ;

Nielsen, Peer ;

Zhang Weiyang .

VACUUM, 2017, 137 :125-136

[10] High performance NiMoO4 nanowires supported on carbon cloth as advanced electrodes for symmetric supercapacitors [J].

Guo, Di ;

Luo, Yazi ;

Yu, Xinzhi ;

Li, Qiuhong ;

Wang, Taihong .

NANO ENERGY, 2014, 8 :174-182

← 1 2 3 4 →