Journal
MOLECULES
Volume 27, Issue 22, Pages -Publisher
MDPI
DOI: 10.3390/molecules27227691
Keywords
cerium hydrogen phosphate; nanorods; specific energy; specific power; stability
Funding
- MDPI
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In this manuscript, we report for the first time the use of one-dimensional cerium hydrogen phosphate as an electrode material for supercapacitors. The material was prepared using a simple hydrothermal technique. The resulting material exhibited a high specific surface area and a nanorod-like structure. In a three-electrode configuration, the material showed a high specific capacitance. Furthermore, a symmetric supercapacitor fabricated using this material demonstrated reasonable specific energy, moderate specific power, and outstanding cyclic durability.
In this manuscript, we are reporting for the first time one dimensional (1D) cerium hydrogen phosphate (Ce(HPO4)(2).xH(2)O) electrode material for supercapacitor application. In short, a simple hydrothermal technique was employed to prepare Ce(HPO4)(2).xH(2)O. The maximum surface area of 82 m(2) g(-1) was obtained from nitrogen sorption isotherm. SEM images revealed Ce(HPO4)(2).xH(2)O exhibited a nanorod-like structure along with particles and clusters. The maximum specific capacitance of 114 F g(-1) was achieved at 0.2 A g(-1) current density for Ce(HPO4)/NF electrode material in a three-electrode configuration. Furthermore, the fabricated symmetric supercapacitor (SSC) based on Ce(HPO4)(2).xH(2)O//Ce(HPO4)(2).xH(2)O demonstrates reasonable specific energy (2.08 Wh kg(-1)), moderate specific power (499.88 W kg(-1)), and outstanding cyclic durability (retains 92.7% of its initial specific capacitance after 5000 GCD cycles).
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