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Nanomaterials 2018, 8(7), 503; https://doi.org/10.3390/nano8070503

A Self-Powered Six-Axis Tactile Sensor by Using Triboelectric Mechanism

1,2,3,4,†
,
2,3,4,5,6,†
,
1
,
7
,
1,* , 1
and
2,3,4,5,6,*
1
Jiangsu Provincial Key Laboratory of Advanced Robotics, School of Mechanical and Electric Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, China
2
Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117576, Singapore
3
Center for Intelligent Sensors and MEMS, National University of Singapore, E6 #05-11F, 5 Engineering Drive 1, Singapore 117608, Singapore
4
Hybrid-Integrated Flexible (Stretchable) Electronic Systems Program, National University of Singapore, E6 #05-4, 5 Engineering Drive 1, Singapore 117608, Singapore
5
NUS Suzhou Research Institute (NUSRI), Suzhou Industrial Park, Suzhou 215123, China
6
NUS Graduate School for Integrative Science and Engineering, National University of Singapore, Singapore 117456, Singapore
7
High Technology Research and Development Center of the Ministry of Science and Technology, Beijing 100862, China
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Received: 15 June 2018 / Revised: 4 July 2018 / Accepted: 4 July 2018 / Published: 6 July 2018
(This article belongs to the Special Issue From Nanomaterials to Intelligent Nanosystems)
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Abstract

Triboelectric nanogenerators (TENGs) are highly promising because they can scavenge energy from their working environment to sustainably power wearable/mobile electronics. In this work, we propose a novel and straightforward strategy for six-axis force detection and object controlling by using a self-powered sensor based on TENG. The self-powered sensor can be used in diversified tactile sensing and energy saving applications, which has been demonstrated to be able to detect normal force in the range of 0–18 N. Using the vector properties of external force, six-axis directions in three-dimensional (3D) space is detected. Additionally, it is fabricated with environmental friendly materials, i.e., galinstan and polydimethylsiloxane (PDMS), promoting its applications in more diversified situations. Because of the available and high output voltage as well as the low internal impedance, the self-powered sensor is readily compatible with commercial signal processing and management circuits. The device presented in this work shows robust structure and stable output performance, enabling itself as an ideal human machine interface in self-powered, batteryless, and electric energy saving applications. View Full-Text
Keywords: triboelectric nanogenerator; self-powered sensor; liquid metal; galinstan-PDMS; tactile sensor triboelectric nanogenerator; self-powered sensor; liquid metal; galinstan-PDMS; tactile sensor
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Chen, T.; Shi, Q.; Yang, Z.; Liu, J.; Liu, H.; Sun, L.; Lee, C. A Self-Powered Six-Axis Tactile Sensor by Using Triboelectric Mechanism. Nanomaterials 2018, 8, 503.

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