Facile synthesis of CuFe2O4-Fe2O3 composite for high-performance supercapacitor electrode applications

被引：31
作者：
Khan, Rashid [1 ]
Habib, Muhammad [1 ]
Gondal, Mohammed A. [2 ,3 ]
Khalil, Adnan [1 ]
Rehman, Zia Ur [1 ]
Muhammad, Zahir [1 ]
Haleem, Yasir A. [1 ]
Wang, Changda [1 ]
Wu, Chuan Qiang [1 ]
Song, Li [1 ]
机构：
[1] Univ Sci & Technol China, CAS Ctr Excellence Nanosci, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
[2] King Fahd Univ Petr & Minerals, Phys Dept, Dhahran 31261, Saudi Arabia
[3] King Fahd Univ Petr & Minerals, Ctr Excellence Nanotechnol CENT, Dhahran 31261, Saudi Arabia
来源：
MATERIALS RESEARCH EXPRESS | 2017年 / 4卷 / 10期
关键词：
supercapacitor; co-precipitation method; CuFe2O4-Fe2O3; electrochemistry; energy-storage; STATE ASYMMETRIC SUPERCAPACITORS; ELECTROCHEMICAL CAPACITORS; HYDROTHERMAL SYNTHESIS; CHARGE STORAGE; GRAPHENE; OXIDE; FABRICATION; NANOWIRES; NANOTUBES; BATTERIES;
D O I：
10.1088/2053-1591/aa8dc4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report the synthesis of CuFe2O4-Fe2O3 composite material for efficient and highly stable supercapacitor electrode by using eco-friendly low-temperature co-precipitation method. The CuFe2O4-Fe2O3 composite demonstrated the highest specific capacitance of 638.24 F g(-1) and excellent stability up to 2000 charge/discharge cycles. The achieved capacitance value is 16 times higher than that of pure CuFe2O4. The results revealed the extraordinary performance of CuFe2O4-Fe2O3 composite as supercapacitor electrode with excellent retention in comparison to CuFe2O4. The enhanced electrochemical activity of CuFe2O4-Fe2O3 composite is attributed to the synergistic effect which is responsible for redox coupling between Cu2+ and Fe3+ that has never been achieved by single component before.
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页数：8
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