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Synlett 2022; 33(15): 1486-1491
DOI: 10.1055/s-0041-1737455
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Flexible Piezoionic Strain Sensors toward Artificial Intelligence Applications

Chao Lu∗
a   College of Chemistry, Chemical Engineering and Materials Science Soochow University, Suzhou, 215123, P. R. of China
,
Xi Chen 
b   Department of Earth and Environmental Engineering, Columbia University, New York, NY 10027, USA
› Author AffiliationsThis work was supported by startup funding from Soochow University, the Earth Engineering Center, Columbia University, and the Center for Advanced Materials for Energy and Environment, Columbia University.
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Abstract

Flexible piezoionic strain sensors are playing an important role in the field of smart electronic and artificial intelligence. The high sensitivity and superior flexibility make it possible to detect various strain and stress from macro- to microscale precisely. Here, recent progress on flexible piezoionic strain sensors has been summarized into several sections, including sensing mechanism, material engineering, and smart applications. In each section, we present typical scientific works and discuss corresponding critical results. This Account aims to provide broad views for researchers with different academic backgrounds, and then promotes the development of flexible piezoionic strain sensors. Finally, existing challenges and opportunities have been presented to expedite further research works and practical applications of flexible piezoionic strain sensors.

1 Introduction

2 Sensing Mechanism of Flexible Piezoionic Strain Sensors

3 Material Engineering for Flexible Piezoionic Strain Sensors

3.1 Electrolyte Materials for Flexible Piezoionic Strain Sensors

3.2 Electrode Materials for Flexible Piezoionic Strain Sensors

4 Smart Applications of Flexible Piezoionic Strain Sensors toward Artificial Intelligence

5 Conclusion and Perspective

Keywords

piezoionic mechanism - strain sensors - flexibility - material engineering - smart applications


Publication History

Received: 18 February 2022

Accepted after revision: 01 April 2022

Article published online:
25 April 2022

© 2022. Thieme. All rights reserved

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