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Synthesis and electrochemical characterization of iron oxide/poly(2-methylaniline) nanohybrids for supercapacitor application
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Abstract
This study reports the synthesis of a nanohybrid material composed of poly(2-methylaniline) (P(2MA)) and iron oxide (Fe
2
O
3
) as electrodes for supercapacitors using a simple and cost-effective method. Various characterization techniques were employed to analyze the samples. The results revealed that the Fe
2
O
3
/P(2MA) nanohybrid exhibits nanofiber structures, while pure P(2MA) displays a porous hollow sphere morphology. Furthermore, the analysis confirmed the effective dispersion of Fe
2
O
3
nanoparticles within the polymer matrix. The electrochemical properties of the Fe
2
O
3
/P(2MA) nanohybrid were found to surpass those of pure P(2MA) in both NaCl and HCl electrolytes. Notably, the nanohybrid demonstrated longer discharge times and higher oxidation/reduction currents in HCl than NaCl. The gravimetric and areal capacitances were measured at 998.4 F g
−1
and 1497.6 mF cm
−2
in 0.5 M HCl at a current density of 0.6 A g
−1
. Furthermore, the nanohybrid retained 99.9% of its initial specific capacitance after 2,000 cycles. These findings underscore the significant potential of the Fe
2
O
3
/P(2MA) nanohybrid as a high-performance supercapacitor electrode for energy storage applications.
Title: Synthesis and electrochemical characterization of iron oxide/poly(2-methylaniline) nanohybrids for supercapacitor application
Description:
Abstract
This study reports the synthesis of a nanohybrid material composed of poly(2-methylaniline) (P(2MA)) and iron oxide (Fe
2
O
3
) as electrodes for supercapacitors using a simple and cost-effective method.
Various characterization techniques were employed to analyze the samples.
The results revealed that the Fe
2
O
3
/P(2MA) nanohybrid exhibits nanofiber structures, while pure P(2MA) displays a porous hollow sphere morphology.
Furthermore, the analysis confirmed the effective dispersion of Fe
2
O
3
nanoparticles within the polymer matrix.
The electrochemical properties of the Fe
2
O
3
/P(2MA) nanohybrid were found to surpass those of pure P(2MA) in both NaCl and HCl electrolytes.
Notably, the nanohybrid demonstrated longer discharge times and higher oxidation/reduction currents in HCl than NaCl.
The gravimetric and areal capacitances were measured at 998.
4 F g
−1
and 1497.
6 mF cm
−2
in 0.
5 M HCl at a current density of 0.
6 A g
−1
.
Furthermore, the nanohybrid retained 99.
9% of its initial specific capacitance after 2,000 cycles.
These findings underscore the significant potential of the Fe
2
O
3
/P(2MA) nanohybrid as a high-performance supercapacitor electrode for energy storage applications.
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