Citation

Aslfattahi, Navid and Kiai, Maryam Sadat and Karatas, Deniz and Baydogan, Nilgun and Samylingam, Lingenthiran and Kadirgama, Kumaran and Kok, Chee Kuang (2025) Multifunctional PANI/Ti3C2Tx MXene nanocomposites for enhancing Na–S battery performance. Catalysis Science & Technology, 15 (17). pp. 5167-5176. ISSN 2044-4753

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Abstract

The application of PANI/MXene as an interlayer maintains a capacity retention rate of 94.7% after 500 cycles at a current density of 1C (C = 1675 mAh g−1) in practical sodium–sulfur (Na–S) batteries. In comparison, the cell with MXene interlayer demonstrates a reversible capacity retention rate of merely 71.8% after the same number of cycles, which is lower than the cell with PANI/MXene. The cell with PANI/MXene separator exhibited capacities of 931.2 mAh g−1 and 701.2 mAh g−1 at a current density of 1C and 2C, respectively. When the current density was returned to 1C and 0.5C, the capacities were maintained at 728.5 mAh g−1 and 917.5 mAh g−1, respectively, indicating a capacity recovery rate of 98.4%.The EDX maps reveal a uniform distribution of the key elements that make up the MXene nanosheets, including Ti, C, N, and O alongside with S, which proved the agglomeration of polysulfides species on the separator surface after 500 cycles. The enhanced adsorption of polysulfide chains in PANI/MXene as an interlayer in Na–S batteries could open a new avenue as a promising separator for the next generation of high-performance Na–S batteries.

Item Type:	Article
Uncontrolled Keywords:	Nanocomposites
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics > TK7871 Electronics--Materials
Divisions:	Faculty of Engineering and Technology (FET)
Depositing User:	Ms Suzilawati Abu Samah
Date Deposited:	30 Sep 2025 07:05
Last Modified:	05 Oct 2025 10:59
URII:	http://shdl.mmu.edu.my/id/eprint/14588

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