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Related Experiment Video

Updated: Jan 27, 2026

Assessment of Stress Effects on Cognitive Flexibility using an Operant Strategy Shifting Paradigm

Assessment of Stress Effects on Cognitive Flexibility using an Operant Strategy Shifting Paradigm

Published on: May 4, 2020

Stress Engineering in Flexible Thermoelectrics.

Caroline Kennedy^1,2, Peter P Murmu², Xiao-Lei Shi³

¹Department of Mechanical and Mechatronics Engineering, The University of Auckland, Auckland, New Zealand.

Small (Weinheim an Der Bergstrasse, Germany)

|January 25, 2026

Summary

This summary is machine-generated.

Flexible thermoelectric generators (F-TEGs) can convert low-grade heat into electricity. Stress engineering strategies are reviewed to improve both the performance and mechanical flexibility of these devices for sustainable power generation.

Keywords:

efficiency flexible thermoelectric generator mechanical failure stress system design

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Area of Science:

Materials Science
Energy Harvesting
Mechanical Engineering

Background:

Low-grade heat is abundant but underutilized.
Flexible thermoelectric generators (F-TEGs) offer a solution for converting this heat into electricity.
A key challenge is balancing thermoelectric performance with mechanical flexibility.

Purpose of the Study:

To review stress engineering strategies for flexible thermoelectric generators.
To analyze methods that overcome the conflict between flexibility and thermoelectric performance.
To identify opportunities for advancing F-TEGs for diverse applications.

Main Methods:

Review of materials strategies: ductile semiconductors, crystallographic texturing, microstructural engineering.
Analysis of device-level innovations: structural designs, interface engineering.
Exploration of multi-scale engineering and computational optimization.

Main Results:

Stress engineering effectively manages trade-offs between thermoelectric performance and mechanical flexibility.
Materials and device strategies enhance the figure of merit and mechanical robustness.
Optimized designs improve thermal contact and mechanical compliance on curved surfaces.

Conclusions:

Stress engineering is crucial for advancing F-TEGs.
Multi-scale engineering and computational modeling are key for future development.
F-TEGs hold potential for wearables, soft robotics, and industrial applications using low-grade heat.