Environmentally Robust Triboelectric Tire Monitoring System for Self‐Powered Driving Information Recognition via Hybrid Deep Learning in Time‐Frequency Representation DOI
BaekGyu Kim, Jin Yeong Song, Do Young Kim

et al.

Small, Journal Year: 2024, Volume and Issue: 20(34)

Published: April 2, 2024

Abstract Developing a robust artificial intelligence of things (AIoT) system with self‐powered triboelectric sensor for harsh environment is challenging because environmental fluctuations are reflected in signals. This study presents an environmentally tire monitoring deep learning to capture driving information the signals generated from tire‐road friction. The optimization process and structure laser‐induced graphene (LIG) electrode layer conducted, enabling detect universal vehicles/robotic mobility, including rotation speeds 200–2000 rpm contact fractions line. Employing hybrid model combining short‐term Fourier transform convolution neural network‐long memory, LIG‐based (LTTM) decouples information, such as traffic lines road states, varied conditions humidity (10%–90%) temperatures (50–70 °C). real‐time line state recognition LTTM confirmed on mobile platform across diverse conditions, fog, dampness, intense sunlight, heat shimmer. work provides AIoT by introducing smart mobility.

Language: Английский

Toward Integrated Multifunctional Laser-Induced Graphene-Based Skin-Like Flexible Sensor Systems DOI
Kaichen Xu, Zimo Cai, Huayu Luo

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(39), P. 26435 - 26476

Published: Sept. 17, 2024

The burgeoning demands for health care and human-machine interfaces call the next generation of multifunctional integrated sensor systems with facile fabrication processes reliable performances. Laser-induced graphene (LIG) highly tunable physical chemical characteristics plays vital roles in developing versatile skin-like flexible or stretchable systems. This Progress Report presents an in-depth overview latest advances LIG-based techniques applications sensors. First, merits LIG technique are highlighted especially as building blocks sensors, followed by description various methods its variants. Then, focus is moved to diverse including electrophysiological Mechanisms advantages these scenarios described detail. Furthermore, representative paradigms presented show capabilities multipurpose applications. signal cross-talk issues discussed possible strategies. technology functionalities coupled other strategies will enable high-performance next-generation skin electronics.

Language: Английский

Citations

28
An intelligent dual-sensing e-skin system for pressure and temperature detection using laser-induced graphene and polydimethylsiloxane DOI Creative Commons

Guo Jingjing,

Xueqian Liu,

Zhongsen Sun

et al.

Materials & Design, Journal Year: 2024, Volume and Issue: 238, P. 112640 - 112640

Published: Jan. 8, 2024

Motivated by artificial intelligence, we present a novel electronic skin (e-skin) system capable of dual-sensing pressure and temperature signals. Our approach utilizes laser-induced graphene polydimethylsiloxane, offering simple yet efficient method for e-skin preparation. Experimental results reveal exceptional performance with good sensitivity (0.037 kPa−1 at 0–50 kPa), wide detection range (0–220 fast response time 56 ms, an ultra-low limit (30 Pa), excellent stability (8000 cycles). Additionally, the exhibits positive coefficients (0.0025 ℃-1) within 20–100 ℃, rapid 2.57 s, extremely low (1 ℃), after 50 cycles. Crucially, our intelligent system, employing Long Short-Term Memory algorithm, enables real-time multi-modal tactile perception, accurately separating mixed This versatile technology holds immense potential applications in robotics human health monitoring.

Language: Английский

Citations

19
Electro-spun nanofibers-based triboelectric nanogenerators in wearable electronics: status and perspectives DOI Creative Commons
Dan Tao, Ping Su, Aiping Chen

et al.

npj Flexible Electronics, Journal Year: 2025, Volume and Issue: 9(1)

Published: Jan. 16, 2025

Language: Английский

Citations

9
Advanced Functional Composite Materials toward E‐Skin for Health Monitoring and Artificial Intelligence DOI
Qijun Sun,

Qin‐Teng Lai,

Zhenhua Tang

et al.

Advanced Materials Technologies, Journal Year: 2022, Volume and Issue: 8(5)

Published: Oct. 30, 2022

Abstract Electronic skin (E‐skin), especially the wearable sensors efficiently detect various stimuli attracted huge research interest owing to their potential applications in health monitoring and artificial intelligence. On other hand, functional polymer composites possessing excellent properties such as light weight, good flexibility, superior electrical performances, are promising candidates building blocks for flexible electronics. Accordingly, tremendous efforts devoted development of with E‐skin applications. Here, recent advances on controlled fabrication fillers based diverse reviewed. In addition, contemporary studies strategies, working mechanisms, device performance reviewed, including pressure sensors, strain temperature energy harvesters, transistors. Furthermore, composite electronics healthcare intelligence discussed. Finally, existing challenges opportunities materials summarized.

Language: Английский

Citations

65
Research Progress on the Preparation and Applications of Laser-Induced Graphene Technology DOI Creative Commons
Yani Guo, Cheng Zhang, Ye Chen

et al.

Nanomaterials, Journal Year: 2022, Volume and Issue: 12(14), P. 2336 - 2336

Published: July 7, 2022

Graphene has been regarded as a potential application material in the field of new energy conversion and storage because its unique two-dimensional structure excellent physical chemical properties. However, traditional graphene preparation methods are complicated in-process difficult to form patterned structures. In recent years, laser-induced (LIG) technology received large amount attention from scholars wide range applications supercapacitors, batteries, sensors, air filters, water treatment, etc. this paper, we summarized variety for graphene. The effects laser processing parameters, type, precursor materials, process atmosphere on properties prepared LIG were reviewed. Then, two strategies large-scale production briefly described. We also discussed fields signal sensing, environmental protection, storage. Finally, outlined future trends research direction.

Language: Английский

Citations

57
Theory and applications of high-voltage triboelectric nanogenerators DOI Creative Commons
Yuan Bai, Hongqing Feng, Zhou Li

et al.

Cell Reports Physical Science, Journal Year: 2022, Volume and Issue: 3(11), P. 101108 - 101108

Published: Oct. 26, 2022

As an emerging energy-harvesting technology, triboelectric nanogenerators (TENGs) have made rapid progress in the past decade. Alongside well-known self-powering behavior, TENGs also another unique feature: high-voltage and low-current output. It is relatively easy for to achieve voltage outputs of hundreds even thousands volts, while current output remains on order several micro-amperes. This brings opportunities develop safe applications. review introduces fundamental theories generation by summarizes strategies boost TENG up tens kilovolts. The applications these (HV-TENGs) physical, chemical, biological fields are reviewed detail. Finally, challenges HV-TENGs discussed.

Language: Английский

Citations

42
Splashing‐Assisted Femtosecond Laser‐Activated Metal Deposition for Mold‐ and Mask‐Free Fabrication of Robust Microstructured Electrodes for Flexible Pressure Sensors DOI

Yaqiang Ji,

Yuan Zhang, Jiaqi Zhu

et al.

Small, Journal Year: 2023, Volume and Issue: 19(24)

Published: March 10, 2023

Flexible pressure sensors play an indispensable role in flexible electronics. Microstructures on electrodes have been proven to be effective improving the sensitivity of sensors. However, it remains a challenge develop such microstructured convenient way. Inspired by splashed particles from laser processing, herein, method for customizing femtosecond laser-activated metal deposition is proposed. It takes advantage catalyzing scattered during ablation and particularly suitable moldless, maskless, low-cost fabrication layers polydimethylsiloxane (PDMS). Robust bonding at PDMS/Cu interface evidenced scotch tape test duration over 10 000 bending cycles. Benefiting firm interface, developed capacitive sensor with presents several conspicuous features, including (0.22 kPa-1 ) 73 times higher than one using flat Cu electrodes, ultralow detection limit (<1 Pa), rapid response/recovery time (4.2/5.3 ms), excellent stability. Moreover, proposed method, inheriting merits direct writing, capable fabricating array maskless manner spatial mapping.

Language: Английский

Citations

32
Thermal‐Triggered “On–Off” Switchable Triboelectric Nanogenerator Based on Two‐Way Shape Memory Polymer DOI
Guang Yang, Haiqiong Li,

Renquan Xing

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(13)

Published: Feb. 11, 2023

Abstract Developing multifunctional triboelectric nanogenerators (TENGs) with special intelligence is of great significance for next‐generation self‐powered electronic devices. However, the relevant work on intelligent TENGs, especially those spontaneously responsive to external stimuli, rarely reported. Herein, an TENG thermal‐triggered switchable functionality and high outputs developed by designing a movable layer, which driven two‐way shape memory polyurethane. The resultant device can be switched on/off in response environmental temperature change, i.e., switching at 0 °C off 60 °C. At “on” state, exhibits excellent performance maximum output power density 5.15 W m −2 pressure 30 kPa due unique advantages micro‐/nanofiber surfaces. Furthermore, potential wearable applications demonstrated, serve as not only sensing element monitoring human movement physical condition cold environment but also thermal‐driven switch turning heating function demand. “on–off” combined may provide new opportunities future electronics.

Language: Английский

Citations

31
Magnetic/conductive/elastic multi-material 3D-printed self-powered sensing gloves for underwater/smoke environmental Human-Computer Interaction DOI
Shanfei Zhang, Zhigang Xia, Zhufeng Liu

et al.

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 463, P. 142388 - 142388

Published: March 13, 2023

Language: Английский

Citations

28
A Skin-Inspired Self-Adaptive System for Temperature Control During Dynamic Wound Healing DOI Creative Commons

Yaqi Geng,

Guoyin Chen, Ran Cao

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: March 11, 2024

Abstract The thermoregulating function of skin that is capable maintaining body temperature within a thermostatic state critical. However, patients suffering from damage are struggling with the surrounding scene and situational awareness. Here, we report an interactive self-regulation electronic system by mimicking human thermos-reception system. skin-inspired self-adaptive composed two highly sensitive thermistors (thermal-response composite materials), low-power control unit (Laser-induced graphene array). biomimetic can realize self-adjusting in range 35–42 °C, which around physiological temperature. This thermoregulation also contributed to barrier formation wound healing. Across models, treatment group healed ~ 10% more rapidly compared group, showed reduced inflammation, thus enhancing tissue regeneration. holds substantial promise for next-generation robotic medical devices.

Language: Английский

Citations

15