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Large-scale wet-spinning of highly electroconductive MXene fibers

Engineering and Technology

Large-scale wet-spinning of highly electroconductive MXene fibers

W. Eom, H. Shin, et al.

Discover a groundbreaking method for producing flexible, high-conductivity MXene fibers, reaching electrical conductivity levels of 7,713 S cm⁻¹. Developed by a team of researchers including Wonsik Eom and Hwansoo Shin, this innovative technique utilizes wet-spinning and ammonium ions to create scalable fibers ideal for advanced electrical applications, such as lighting LEDs and transmitting signals to earphones.

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Abstract
This paper presents a scalable method for producing pure MXene fibers with high electrical conductivity (7,713 S cm⁻¹) using wet-spinning. The method utilizes a high concentration of MXene sheets in water, avoiding aggregation and phase separation. Ammonium ions are introduced during coagulation to facilitate fiber formation. The resulting fibers are flexible, meter-long, and suitable for applications in electrical devices, as demonstrated by their use in lighting an LED and transmitting electrical signals to earphones. This approach offers a pathway for mass production of MXene fibers for high-performance electronics.
Publisher
Nature Communications
Published On
Jun 04, 2020
Authors
Wonsik Eom, Hwansoo Shin, Rohan B. Ambade, Sang Hoon Lee, Ki Hyun Lee, Dong Jun Kang, Tae Hee Han
Tags
MXene fibers
electrical conductivity
wet-spinning
fiber formation
mass production
high-performance electronics
flexible materials

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