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Knittable Energy Storing Fiber with High Volumetric Performance Made from Predominantly MXene Nanosheets

Lookup NU author(s): Dr Shayan SeyedinORCiD

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by Royal Society of Chemistry, 2017.

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Abstract

A new member of the 2D family called “MXene” offers metallic conductivity and outstanding electrochemical properties that are important for developing fiber supercapacitors. To date, however, scalable approaches for preparing MXene-based fibres have been relatively unexplored. Here we demonstrate that a graphene oxide liquid crystal-assisted fiber spinning approach can be used to produce novel fibers that are predominantly MXene by weight (∼88 wt%). These MXene fibers exhibit high volumetric capacitance (∼341 F cm⁻³) and electrical conductivity (∼72.3 S cm⁻¹) and excellent strength and flexibility that allow knitting of MXene-based textile prototypes. The supercapacitor device made from MXene fibers displays excellent stability after 20 000 cycles and delivers maximum energy and power densities of ∼5.1 mW h cm⁻³ and ∼1700 mW cm⁻³, respectively. This work introduces a new class of fiber supercapacitors that offer great potential for realizing flexible power sources for miniaturized electronic gadgets and wearable technologies.

Publication metadata

Author(s): Seyedin S, Yanza ERS, Razal JM

Publication type: Article

Publication status: Published

Journal: Journal of Materials Chemistry A

Year: 2017

Volume: 5

Issue: 46

Pages: 24076-24082

Print publication date: 14/12/2017

Online publication date: 01/11/2017

Acceptance date: 01/11/2017

Date deposited: 25/01/2021

ISSN (print): 2050-7488

ISSN (electronic): 2050-7496

Publisher: Royal Society of Chemistry

URL: https://doi.org/10.1039/C7TA08355F

DOI: 10.1039/C7TA08355F

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