Journal
ACS APPLIED NANO MATERIALS
Volume 4, Issue 5, Pages 5461-5468Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.1c00825
Keywords
ZnCo2O4@Ni(OH)(2); electrochemical performance; nanostructures; cycle stability; OER
Funding
- Open Project Program of Wuhan National Laboratory for Optoelectronics [2019 WNLOKF017]
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing (Wuhan University of Technology) [2020-KF-12]
- Funding of Science and Technology Bureau, Shenyang City [RC190138]
- King Khalid University
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Several types of ZnCo2O4@Ni(OH)(2) nanoarchitectures were successfully prepared using a simple two-step hydrothermal strategy in this study. The ZnCo2O4@Ni(OH)(2)-2.0 sample-based hybrid capacitor exhibited high capacitance at 1 A g(-1). Furthermore, the same sample demonstrated excellent cycling stability and electrocatalytic performance, making it suitable for future capacitor and electrocatalyst applications.
For the construction of high-performance energy storage and conversion devices, the development of advanced electrode materials with specific nanostructural characteristics is a requirement of the moment. Several types of ZnCo2O4@Ni(OH)(2) nanoarchitectures are prepared in this study using a simple two-step hydrothermal strategy. At 1 A g(-1), the observed capacitance of the ZnCo2O4@Ni(OH)(2)-2.0 sample-based hybrid capacitor was 848.6 C g(-1). The fabricated capacitor device exhibited not only high energy density but also an excellent cycling stability. As an electrocatalyst, the same sample, that is, ZnCo2O4@Ni(OH)(2)-2.0, demonstrates 280.2 mV over potential at 50 mA cm(-2). This research shows that the provided electrode material is well suited for future capacitor and electrocatalyst applications.
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