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Self-healable electrically conducting wires for wearable microelectronics.

Hao Sun¹, Xiao You, Yishu Jiang

¹State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science and Laboratory of Advanced Materials, Fudan University, Shanghai 200438 (China).

Angewandte Chemie (International Ed. in English)

|July 22, 2014

Summary

This summary is machine-generated.

Researchers developed self-healing conducting wires using carbon nanotubes and polymer fibers. These novel wires repair themselves after breaking, ensuring continued function in advanced electronics and wearable devices.

Keywords:

carbon nanotubes conducting wires microelectronics polymers self-healing

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Area of Science:

Materials Science
Nanotechnology
Electronics Engineering

Background:

Electrically conducting wires are essential for modern electronics, especially for next-generation wearable microelectronics.
A significant limitation of current thin conducting wires is their susceptibility to breakage, leading to device failure.

Purpose of the Study:

To develop a new type of high-performance conducting wire with self-healing capabilities.
To address the issue of wire breakage in electronic devices, particularly in wearable applications.

Main Methods:

Developing novel conducting wires by wrapping sheets of aligned carbon nanotubes around polymer fibers.
Investigating the self-healing properties of the fabricated wires for both electrical conductivity and mechanical strength.
Fabricating a wire-shaped supercapacitor using the developed self-healable wire electrode.

Main Results:

The developed wires exhibit self-healing properties after breaking, restoring electrical conductivity.
The polymer fiber component of the wire effectively recovers its mechanical strength post-healing.
A self-healable wire-shaped supercapacitor maintained high capacitance even after undergoing breakage and self-healing.

Conclusions:

The integration of aligned carbon nanotubes and polymer fibers provides an effective strategy for creating self-healing conducting wires.
These self-healing wires offer a promising solution for enhancing the durability and reliability of wearable microelectronics and other advanced electronic systems.
The developed technology enables the creation of robust, repairable energy storage devices like wire-shaped supercapacitors.