Sensors and Actuators A Physical, Journal Year: 2023, Volume and Issue: 355, P. 114331 - 114331
Published: March 26, 2023
Language: Английский
Advanced Energy Materials, Journal Year: 2022, Volume and Issue: 13(1)
Published: Nov. 18, 2022
Abstract The advancement of the Internet Things/5G infrastructure requires a low‐cost ubiquitous sensory network to realize an autonomous system for information collection and processing, aiming at diversified applications ranging from healthcare, smart home, industry 4.0 environmental monitoring. triboelectric nanogenerator (TENG) is considered most promising technology due its self‐powered, cost‐effective, highly customizable advantages. Through use wearable electronic devices, advanced TENG developed as core enabling self‐powered sensors, power supplies, data communications aforementioned applications. In this review, advancements TENG‐based electronics regarding materials, material/device hybridization, systems integration, convergence, in environment monitoring, transportation, homes toward future green earth are reported.
Language: Английский
Citations
224
Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(25)
Published: March 19, 2022
Abstract Polymer nanofibers are widely adopted in energy harvesting and pressure sensing applications owing to the large contact area inherent compressibility. Herein, a high‐performance triboelectric nanogenerator (TENG) based on 2D siloxene‐polyvinylidene fluoride (S‐PVDF) composite nanofibrous membrane is newly evaluated. Through proper ratio optimization facile electrospinning, fabricated shows significant improvement dielectric property, electronegativity, The TENG comprising S‐PVDF Nylon 6/6 can deliver an excellent power density of 13.25 W m −2 ( f ≈ 5 Hz) easily operates low‐power electronics Internet things (IoTs). In addition, compressibility extends its applicability self‐powered simultaneous detection dynamic static pressure, which investigated by developing hybrid sensor (HPS) through effective integration capacitive sensor. HPS (12.062 V kPa −1 at (<3 kPa) 2.58 (3–25 kPa)) (25.07 mV 5.96 sensitivities, respectively. Furthermore, 2 × array tested analyzed for multiple users using artificial intelligence significantly improves accuracy (98%). Remarkable performance greater manifests better preferences future IoT smart tactile‐based user authentication systems.
Language: Английский
Citations
118
Nanoscale Advances, Journal Year: 2022, Volume and Issue: 5(3), P. 538 - 570
Published: Nov. 7, 2022
This review summarizes the integration of machine learning with surface-enhanced Raman scattering and infrared absorption in terms concepts, processes, applications, provides an outlook on future development this technology.
Language: Английский
Citations
73
Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(31)
Published: June 29, 2023
Abstract In the age of artificial intelligence things (AIoT), wearable devices have been extensively developed for smart healthcare. This paper proposes a self‐powered and self‐sensing lower‐limb system (SS‐LS) with negative energy harvesting motion capture The SS‐LS achieves self‐sustainability via half‐wave electromagnetic generator (HW‐EMG) that recovers work from walking low cost harvesting. Additionally, function is achieved by three‐channel triboelectric nanogenerator (TC‐TENG) based on binary code, which can accurately detect angle direction knee joint rotation. bench test experiment indicates HW‐EMG has an average output power 11.2 mW, sufficient to wireless sensor. voltage signal TC‐TENG fits well signal, precisely Furthermore, demonstrates identification accuracy 99.68% detection 99.96% LSTM deep learning model. Demonstrations Parkinson's disease fall monitoring three training modes (sit‐and‐stand, balance, training) are also performed, exhibit outstanding sensing capabilities. highly promising in sports rehabilitation medicine contribute development
Language: Английский
Citations
63
Advanced Science, Journal Year: 2023, Volume and Issue: 10(21)
Published: May 3, 2023
Sensors based on triboelectric nanogenerators (TENGs) have gained worldwide interest owing to their advantages of low cost and self-powering. However, the detection most vibration sensors (TVS) is restricted frequency, whereas high-frequency signals are successfully measured in recent studies; sensitivity still requires improvement. Hence, a highly sensitive sensor TENG (HSVS-TENG) with ultrawide frequency response presented. This study first introduce quasi-zero stiffness structure into minimize driving force by optimizing magnetic induction intensity weight moving part. The results show that HSVS-TENG can measure vibrations frequencies ranging from 2.5 4000 Hz, 0.32 134.9 V g
Language: Английский
Citations
47
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(28)
Published: March 10, 2024
Abstract Flexible pressure sensors are valuable in applications such as electronic skin, smart robots, artificial prosthetics, and wearable electronics. In this study, a fully packaged, flexible, self‐powered, long‐term stable sensor array based on piezoelectrets is developed for monitoring. A with microcavity structure thickness of 500 µm achieved an impressive piezoelectric coefficient 23.8 pC N −1 fast response time 93 ms. The yielded output voltage 0.26 V when subjected to force using 0.3 g soybeans, it displayed remarkable linear relationship (R 2 = 0.992) between electricity ranging from 1.4 13.6 sensitivity 9 mV . Real‐time monitoring sound vibration, radial artery pulse, finger movement demonstrated along the successful recording dynamic changes within porcine knee joint. It holds potential fields human bodies robotics can contribute significantly assessment during total replacement.
Language: Английский
Citations
22
Nano Energy, Journal Year: 2022, Volume and Issue: 98, P. 107209 - 107209
Published: March 30, 2022
Language: Английский
Citations
67
InfoMat, Journal Year: 2022, Volume and Issue: 5(1)
Published: Aug. 23, 2022
Abstract In metaverse, a digital‐twin smart home is vital platform for immersive communication between the physical and virtual world. Triboelectric nanogenerators (TENGs) sensors contribute substantially to providing smart‐home monitoring. However, TENG deployment hindered by its unstable output under environment changes. Herein, we develop using robust all‐TENG based information mat (InfoMat), which consists of an in‐home array entry mat. The interdigital electrodes design allows environment‐insensitive ratiometric readout from cancel commonly experienced environmental variations. Arbitrary position sensing also achieved because interval arrangement pixels. Concurrently, two‐channel generates multi‐modality aid 10‐user identification accuracy increase 93% 99% compared one‐channel case. Furthermore, visualized real‐time projecting in reality, including access authorization, position, walking trajectory, dynamic activities/sports, so on. image
Language: Английский
Citations
67
Nanomaterials, Journal Year: 2022, Volume and Issue: 12(8), P. 1366 - 1366
Published: April 15, 2022
Implantable biomedical devices (IMDs) play essential roles in healthcare. Subject to the limited battery life, IMDs cannot achieve long-term situ monitoring, diagnosis, and treatment. The proposal rapid development of triboelectric nanogenerators free from shackles batteries spawn a self-powered healthcare system. This review aims overview based on nanogenerators, divided into biosensors, vivo energy harvesting devices, direct electrical stimulation therapy devices. Meanwhile, future challenges opportunities are discussed according requirements current-level enhance output performance, develop advanced with multifunctional materials, self-driven close-looped diagnosis treatment systems.
Language: Английский
Citations
58
Nano Energy, Journal Year: 2022, Volume and Issue: 102, P. 107669 - 107669
Published: Aug. 4, 2022
Language: Английский
Citations
58