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Strain and Elastic Modulus

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Related Experiment Video

Updated: Mar 31, 2026

A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires

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Published on: January 21, 2016

Anomalous Stretchable Conductivity Using an Engineered Tricot Weave.

Yong-Hee Lee, Yoonseob Kim¹, Tae-Ik Lee

¹Department of Chemical Engineering, University of Michigan , Ann Arbor, Michigan 48109-2136, United States.

|October 24, 2015

Summary

This summary is machine-generated.

Researchers developed a novel textile structure for wearable electronics that maintains high electrical conductivity even under extreme stretching. This textile engineering breakthrough enhances conductivity by 7-fold, enabling robust performance in stretchable devices.

Keywords:

modified 3D percolation theory stretchable conductivity textile engineering tricot weave wearable electronics

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Area of Science:

Materials Science
Textile Engineering
Electrical Engineering

Background:

Achieving robust electrical conduction in wearable electronics under stretching is challenging due to pathway collapse.
Existing conductive materials often fail under strain, limiting applications in flexible and wearable devices.

Purpose of the Study:

To overcome the limitations of conductive materials under strain using textile engineering.
To develop a stretchable conductive textile with enhanced electrical properties for wearable electronics.

Main Methods:

Utilized a tricot weave structure with alternating inelastic and elastic yarns.
Coated the engineered textile with conductive nanomaterials.
Investigated electrical conductivity under various strain levels.

Main Results:

Achieved excellent elasticity up to 200% strain in diagonal directions.
Observed a 7-fold increase in conductivity, reaching 33,000 S cm(-1) at 130% strain.
Demonstrated enhanced interyarn contacts contributing to conductivity improvements.

Conclusions:

Textile weaving structure is a key parameter for achieving stretchable conductivity.
The developed material shows potential for high-performance stretchable electronic interconnects and supercapacitors.
Modified 3D percolation theory accurately describes the observed stretching conductivity.