Novel 2D vanadium oxysulfide nano-spindles decorated carbon textile composite as an advanced electrode for high-performance pseudocapacitors

被引：20
|
作者：
Javed, Muhammad Sufyan [1 ,2 ,3 ]
Najam, Tayyaba [4 ]
Hussain, Iftikhar [5 ]
Shah, Syed Shoaib Ahmad [6 ]
Ibraheem, Shumaila [4 ]
Mahmood, Azhar [7 ]
Imran, Muhammad [8 ]
Assiri, Mohammed A. [8 ]
Siyal, Sajid Hussain [9 ]
机构：
[1] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China
[2] Jinan Univ, Dept Phys, Siyuan Lab, Guangzhou 510632, Peoples R China
[3] COMSATS Univ Islamabad, Dept Phys, Lahore Campus, Lahore 54000, Pakistan
[4] Shenzhen Univ, Inst Adv Study, Shenzhen 518060, Peoples R China
[5] City Univ Hong Kong, Dept Mech Engn, Kowloon, 83 Tat Chee Ave, Hong Kong, Peoples R China
[6] USTC, Sch Chem & Mat Sci, Hefei 230026, Anhui, Peoples R China
[7] Guangzhou Univ, Sch Chem & Chem Engn, Ctr Adv Analyt Sci, Guangzhou 510006, Peoples R China
[8] King Khalid Univ, Dept Chem, Abha 61413, Saudi Arabia
[9] Dawood Univ Engn & Technol, Met & Mat Engn Dept, Karachi 74800, Pakistan
来源：
MATERIALS LETTERS | 2021年 / 303卷
关键词：
Vanadium oxysulfide; Porous materials; Pseudocapacitor; Energy storage and conversion; SUPERCAPACITOR;
D O I：
10.1016/j.matlet.2021.130478
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A binder-free composite composed of two-dimensional (2D) vanadium oxysulfide nano-spindles (VoS-NS) directly grown on carbon textile (CT) substrate (VoS-NS@CT) is prepared as a novel electrode for high-performance pseudocapacitors (PCs). Benefiting from the merits of highly exposed active sites and enhanced electrical conductivity, optimized VoS-NS@CT exhibits remarkable specific capacitance of 1305 Fg(-1) at 4 Ag-1 with superb retention of 97.7% after 15,000 cycles and possesses good rate capability. Furthermore, the VoS-NS@CT delivered high pseudocapacitive charge storage properties (80%, capacitive) at 15 mVs(-1).
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页数：5
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