Volume 13, Issue 7 2401730
Research Article

Enhancing Supercapacitor Performance of NiCoMn-Layered Double Hydroxide with Ag–Citrate/Polyaniline Nanocomposites

Ammar Makda

Ammar Makda

Faculty of Materials and Chemical Engineering, Ghulam Ishaq Khan (GIK) Institute of Engineering Sciences and Technology, Topi, 23640 Pakistan

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Mohsin Ali Marwat

Corresponding Author

Mohsin Ali Marwat

Faculty of Materials and Chemical Engineering, Ghulam Ishaq Khan (GIK) Institute of Engineering Sciences and Technology, Topi, 23640 Pakistan

Energy, Water, and Environment Lab, College of Humanities and Sciences, Prince Sultan University, Riyadh, 11586 Saudi Arabia

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Muhammad Hamza Mahmood

Muhammad Hamza Mahmood

Faculty of Materials and Chemical Engineering, Ghulam Ishaq Khan (GIK) Institute of Engineering Sciences and Technology, Topi, 23640 Pakistan

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Abdullah Naeem

Abdullah Naeem

Faculty of Materials and Chemical Engineering, Ghulam Ishaq Khan (GIK) Institute of Engineering Sciences and Technology, Topi, 23640 Pakistan

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Syed Muhammad Abdullah

Syed Muhammad Abdullah

Faculty of Materials and Chemical Engineering, Ghulam Ishaq Khan (GIK) Institute of Engineering Sciences and Technology, Topi, 23640 Pakistan

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Muhammad Humayun

Muhammad Humayun

Energy, Water, and Environment Lab, College of Humanities and Sciences, Prince Sultan University, Riyadh, 11586 Saudi Arabia

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Muhammad Ramzan Abdul Karim

Muhammad Ramzan Abdul Karim

Faculty of Materials and Chemical Engineering, Ghulam Ishaq Khan (GIK) Institute of Engineering Sciences and Technology, Topi, 23640 Pakistan

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Mohamed Bououdina

Mohamed Bououdina

Energy, Water, and Environment Lab, College of Humanities and Sciences, Prince Sultan University, Riyadh, 11586 Saudi Arabia

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Muhammad Zubair Khan

Muhammad Zubair Khan

Department of Materials Science & Engineering, Pak-Austria Fachhochschule: Institute of Applied Sciences and Technology, Mang, Haripur, KPK, 22621 Pakistan

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Muhammad Bilal Hanif

Muhammad Bilal Hanif

Department of Inorganic Chemistry, Comenius University Bratislava, Ilkovicova 6, 842 15 Bratislava, Slovakia

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First published: 17 November 2024

Abstract

Layered double hydroxide (LDH) has a layered structure, which makes it a strong candidate for supercapacitors (SC) due to its high surface area. However, they suffer from low conductivity due to insufficient charge transfer across their layers. This research aims to overcome this obstacle by introducing conductive channels among the layers by the addition of Ag–citrate and polyaniline (PANI). Consequently, five electrodes (S1–5) were made from NiCoMn LDH (referred to as LDH henceforth) and 2:1 Ag–citrate and PANI composite (Ag/PANI) in different ratios and made into electrodes. Electrochemical analysis revealed successful improvement in the performance of LDH as the fraction of Ag/PANI increased until it equaled Ag/PANI  where the highest specific capacitance of 617 F g−1 was obtained, which is 12% greater than the value for solely LDH electrode (550 F g−1). A device was fabricated with the best electrode (S3) and activated carbon electrode, which demonstrated energy densities and power densities of 41 WhKg−1 and 412.5 W Kg−1 and 14 WhKg−1and 8250 W Kg−1 at 0.5 and 10 A g−1 current densities, respectively. It also exhibited a capacitive retention of about 75% at 3000 galvanostatic charge–discharge cycles. These results encourage the use in of NiCoMn LDH, in a 1:1 ratio with Ag/PANI in SCs due to its remarkable performance.

Conflict of Interest

The authors declare no conflict of interest.

Data Availability Statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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