Unlocking Novel Functionality: Pseudocapacitive Sensing in MXene-Based Flexible Supercapacitors

Unlocking Novel Functionality: Pseudocapacitive Sensing in MXene-Based Flexible Supercapacitors

Highlights We have discovered a novel phenomenon where the pseudocapacitance of flexible MXene supercapacitors changes sensitively in response to bending, leading to the development of Pseudocapacitive Sensors. Pseudocapacitive Sensors repurpose supercapacitors as strain sensors, detecting capacitan...

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Bibliographic Details
Main Authors: Eunji Kim, Seongbeen Kim, Hyeong Min Jin, Gyungtae Kim, Hwi-Heon Ha, Yunhui Choi, Kyoungha Min, Su-Ho Cho, Hee Han, Chi Won Ahn, Jaewoo Roh, Il-Kwon Oh, Jinwoo Lee, Yonghee Lee
Format: Article
Language:English
Published: SpringerOpen 2024-12-01
Series:Nano-Micro Letters
Subjects:
MXenes
Supercapacitors
Pseudocapacitive sensing
Local pH
Operando measurements
Online Access:https://doi.org/10.1007/s40820-024-01567-2
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Summary:Highlights We have discovered a novel phenomenon where the pseudocapacitance of flexible MXene supercapacitors changes sensitively in response to bending, leading to the development of Pseudocapacitive Sensors. Pseudocapacitive Sensors repurpose supercapacitors as strain sensors, detecting capacitance changes from shifts between pseudocapacitance and electrical double layer capacitor. These highly sensitive sensors have a gauge factor of about 1200, far exceeding that of conventional strain sensors.
ISSN:2311-6706
2150-5551

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