Self-Powered Multidirectional Strain Sensor for Electronic Skin Based on Coiled Carbon Nanotube Yarns

Li, Tao; Jang, Yongwoo; Moon, Ji Hwan; Choi, Jung Gi; Gwac, Hocheol; Lee, Dong Yeop; Hyeon, Jae Sang; Mun, Tae Jin; Ahn, Ji Hoon; Jeong, Youngjin; Kim, Seon Jeong

doi:10.1109/jsen.2023.3342792

IEEE Sensors J.

2024

DOI: 10.1109/jsen.2023.3342792

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Self-Powered Multidirectional Strain Sensor for Electronic Skin Based on Coiled Carbon Nanotube Yarns

Tao Li,

Yongwoo Jang,

Ji Hwan Moon

et al.

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Self-Powered Tactile Sensors Embedded with Self-Healing Electrodes for Multifunctional Applications

Qin,

Xia,

et al. 2024

ACS Appl. Mater. Interfaces

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Tactile-based sensing technology represents one of the most promising methods for interacting with their surrounding environment. Consequently, flexible tactile sensing has garnered significant attention from researchers worldwide. In this study, triboelectricity and piezoelectricity were combined to propose a multifunctional self-powered tactile sensor (MSPTS). Notably, new and innovative self-healing electrodes were embedded and synthesized from HPDMS (poly(dimethylsiloxane)) and boric acid in the MSPTS, MSPTS demonstrated a linear detection range of 0.25−5 kPa with a sensitivity of 246.28 mV/kPa, indicating substantial improvements in sensor sensitivity, output performance, and anti-interference capability. Our method of forming hydrogen bonds between a self-healing material (SHM) and a liquid metal (LM) effectively addressed the issue of LM leakage within the flexible matrix under pressure, thus preventing sensor failure. The borate dynamic bonding conferred self-healing properties to the electrode when it was damaged. The MSPTS was successfully applied to pressure detection, material identification, and human body movement detection, significantly broadening the application range of flexible electronic devices.

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Self-Powered Tactile Sensors Embedded with Self-Healing Electrodes for Multifunctional Applications

Qin,

Xia,

et al. 2024

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

show abstract

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Self-Powered Multidirectional Strain Sensor for Electronic Skin Based on Coiled Carbon Nanotube Yarns

Cited by 1 publication

References 58 publications

Self-Powered Tactile Sensors Embedded with Self-Healing Electrodes for Multifunctional Applications

Self-Powered Tactile Sensors Embedded with Self-Healing Electrodes for Multifunctional Applications

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