Intrinsically Stretchable and Conductive Textile by a Scalable Process for Elastic Wearable Electronics

Area of Science:

• Materials Science
• Textile Engineering
• Electronics Engineering

Background:

• Stretchable electronics require conductive materials that maintain performance under strain.
• Existing methods often involve complex fabrication or expensive nanomaterials, limiting scalability and cost-effectiveness.
• A need exists for simple, scalable, and affordable methods to produce stretchable conductive textiles.

Purpose of the Study:

• To develop a large-scalable, cost-effective pyrolysis strategy for intrinsically stretchable and conductive textiles.
• To utilize low-cost, mass-produced weft-knitted textiles as raw materials for fabrication.
• To demonstrate the material's potential in applications like elastic electronics.

Main Methods:

• A large-scalable pyrolysis strategy was employed.
• Low-cost, weft-knitted textiles were used as the primary raw material.
• The mechanical and electrical properties of the resulting carbonized fibers were analyzed.

Main Results:

• An intrinsically stretchable and conductive textile was successfully fabricated.
• The textile sustained tensile strains up to 125% while maintaining stable electrical conductivity.
• Stretchable supercapacitors and wearable thermal-therapy devices demonstrated stable performance under strain.

Conclusions:

• The developed pyrolysis strategy offers a simple, scalable, and cost-effective route to produce elastic and conductive textiles.
• The material's superior performance and the process's scalability are suitable for the industrial production of wearable electronics.
• This approach addresses the demand for high-performance stretchable conductive materials in the growing field of elastic electronics.