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Hydrothermally Synthesized Calcium Multi-ferrite/Zinc Oxide Composite as High-Power Density Electrode Materials
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DOI：10.1007/s11664-026-12839-5.png)
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Abstract
En 中文
The growing demand for efficient, low-cost, and high-power energy storage devices has emphasized the limitations of conventional batteries in satisfying quick charge-discharge requirements. Supercapacitors have emerged as promising alternatives; however, their widespread application is still constrained by the lack of electrode materials that simultaneously deliver high energy density, power density, and long-term stability. In this study, hydrothermally produced CaFeO3/ZnO composites and calcium multi-ferrite (CaFeO3) were thoroughly studied as improved electrode materials for supercapacitor applications. Activated carbon was used as the negative electrode in the construction of an asymmetric supercapacitor device (CaFeO3/ZnO 20%//AC), which has a specific capacity of 222.3 C g(-)1, an energy density of 26.2 Wh kg(-)1, and a power density of 5600 W kg(-)1. These findings underscore the potential of CaFeO3/ZnO composites as efficient and scalable electrode materials, offering a viable pathway toward next-generation high-performance supercapacitors for practical energy storage applications.
Keywords:
Multi-ferrites
orthorhombic structure
high power and energy density
cyclic stability
asymmetric supercapacitors
Journal
J
IF:
2.5
Papers:
485
Citations:
0
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Cited Papers