Flexible Piezoionic Strain Sensors toward Artificial Intelligence Applications

Chao LU, Xi CHEN

Research output: Journal PublicationsJournal Article (refereed)peer-review

4 Citations (Scopus)


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. © 2022. Thieme. All rights reserved.
Original languageEnglish
Pages (from-to)1486-1491
Number of pages6
Issue number15
Early online date25 Apr 2022
Publication statusPublished - Sept 2022
Externally publishedYes

Bibliographical note

This 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.


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


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