DataVXACS Applied Electronic MaterialsPaper
journal article·2025-12-23

Flexible III-N Thin-Film Piezoelectric Sensor for Smart Lithium-Ion Battery Management System

Nam-In Kim, Jiyun Lee, Asad Ali, Muhammad Aqib, Sara Pouladi, Haleh Ardebili, Sangbin Park, Jangwhan Seok, Won-Sub Yoon, Jae-Hyun Ryou

ACS Applied Electronic Materials· Volume 7· Issue 24
Publisher page
Source abstract

Abstract

Although the embedded sensors in lithium-ion batteries must be active in harsh thermal and chemical conditions during thermal runaway, the current battery management system still faces challenges. We develop thermally/chemically stable III-nitride piezoelectric sensors to detect physical deformation in Li-ion batteries. Analysis reveals the increased piezoelectric outputs of sensors (∼6-times), correlating with battery degradation (70% level of initial capacity). Electrochemical impedance analysis confirms that the increased thickness changes of the battery accompany a 2.5-times increase in charge-transfer resistance. We simulate the calculations between the volumetric displacement and piezoelectric voltage of the sensor and support the experimental results.
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Research context

Energy storage

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Advanced Battery Technologies Research · Innovative Energy Harvesting Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Mechanical and Aerospace Engineering

University of Houston

Materials Science and Engineering Program

Texas Center for Superconductivity at UH (TcSUH)

Advanced Manufacturing Institute (AMI)

School of Mechanical and Aerospace Engineering

Gyeongsang National University

Department of Energy Science

Sungkyunkwan University

SKKU Institute of Energy Science and Technology (SIEST)

Department of Electrical and Computer Engineering

Funding

University of Houston · Texas Center for Superconductivity, University of Houston

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