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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