Triboelectric Nanogenerator Enabled Wearable Sensors and Electronics for Sustainable Internet of Things Integrated Green Earth

Advanced Energy Materials, Год журнала: 2022, Номер 13(1)

Опубликована: Ноя. 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.

Язык: Английский

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Stretchable on-skin touchless screen sensor enabled by ionic hydrogel

Nano Research, Год журнала: 2023, Номер 17(5), С. 4462 - 4470

Опубликована: Дек. 29, 2023

Язык: Английский

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Water-Modulated Biomimetic Hyper-Attribute-Gel Electronic Skin for Robotics and Skin-Attachable Wearables

ACS Nano, Год журнала: 2023, Номер 17(2), С. 1355 - 1371

Опубликована: Янв. 11, 2023

Electronic skin (e-skin), mimicking the physical–chemical and sensory properties of human skin, is promising to be applied as robotic skins skin-attachable wearables with multisensory functionalities. To date, most e-skins are dedicated function development mimic in one or several aspects, yet advanced e-skin covering all hyper-attributes (including both properties) seldom reported. Herein, a water-modulated biomimetic hyper-attribute-gel (Hygel) reversible gel–solid transition proposed, which exhibits desired skin-like (stretchability, self-healing, biocompatibility, biodegradability, weak acidity, antibacterial activities, flame retardance, temperature adaptivity), (pressure, temperature, humidity, strain, contact), reconfigurability, evolvability. Then Hygel an on-robot skin-attached wearable demonstrate its highly attributes capturing multiple information, reconfiguring functions, excellent compatibility for real-time gesture recognition via deep learning. This may find more applications robotics even skin-replaceable artificial skin.

Язык: Английский

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Soft Robotic Perception System with Ultrasonic Auto-Positioning and Multimodal Sensory Intelligence

ACS Nano, Год журнала: 2023, Номер 17(5), С. 4985 - 4998

Опубликована: Март 3, 2023

Flexible electronics such as tactile cognitive sensors have been broadly adopted in soft robotic manipulators to enable human-skin-mimetic perception. To achieve appropriate positioning for randomly distributed objects, an integrated guiding system is inevitable. Yet the conventional based on cameras or optical exhibits limited environment adaptability, high data complexity, and low cost effectiveness. Herein, a perception with remote object multimodal cognition capability developed by integrating ultrasonic sensor flexible triboelectric sensors. The able detect shape distance reflected ultrasound. Thereby manipulator can be positioned position perform grasping, during which capture sensory information top profile, size, shape, hardness, material, etc. These are then fused deep-learning analytics, leading highly enhanced accuracy identification (∼100%). proposed presents facile, low-cost, effective methodology integrate intelligence robotics, significantly expanding functionalities adaptabilities of current systems industrial, commercial, consumer applications.

Язык: Английский

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Wet‐Adaptive Electronic Skin

Advanced Materials, Год журнала: 2023, Номер 35(49)

Опубликована: Авг. 11, 2023

Skin electronics provides remarkable opportunities for non-invasive and long-term monitoring of a wide variety biophysical physiological signals that are closely related to health, medicine, human-machine interactions. Nevertheless, conventional skin fabricated on elastic thin films difficult adapt the wet microenvironments skin: Elastic non-permeable, which block perspiration; adhere skin; Most work underwater. Here, Wet-Adaptive Electronic (WADE-skin) is reported, consists next-to-skin wet-adhesive fibrous layer, next-to-air waterproof stretchable permeable liquid metal electrode layer. While electronic functionality determined by design, this WADE-skin simultaneously offers superb stretchability, adhesion, permeability, biocompatibility, property. The can rapidly human after contact few seconds stably maintain adhesion over weeks even under conditions, without showing any negative effect health. use demonstrated stable recording electrocardiogram during intensive sweating as well underwater activities, strain sensor operation virtual reality-mediated

Язык: Английский

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Thermoelectric and Photoelectric Dual Modulated Sensors for Human Internet of Things Application in Accurate Fire Recognition and Warning

Advanced Functional Materials, Год журнала: 2023, Номер 33(41)

Опубликована: Июнь 11, 2023

Abstract The emergence of the Internet Things (IoT) era has necessitated development intelligent wearable electronics for fire warning to mitigate hazards prior ignition. Although significant advancements are achieved in thermoelectric materials and devices, design a specific device precision still remains challenging. In this study, an sensing system human IoT that utilizes novel light/heat dual‐parameter‐responsive single‐walled carbon nanotube/poly(3‐hexylthiophene‐2,5‐diyl) (SWCNT/P3HT) composite is developed. This comprises composite, circuit microcontroller, message transmission system, which together create source device. synergistic effect light heat observed enhance output voltage response time under concurrent stimuli, as compared heating alone. found effectively identify alarm sources, owing high photoelectric performance SWCNT/P3HT precise recognition, ability adjust alarming threshold detecting hazards. study presents new approach designing hold potential applications smart home living environments, including child protection against

Язык: Английский

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Flexible Triboelectric Tactile Sensor Based on a Robust MXene/Leather Film for Human–Machine Interaction

ACS Applied Materials & Interfaces, Год журнала: 2023, Номер 15(10), С. 13802 - 13812

Опубликована: Март 7, 2023

With the rapid development of Internet Things (IoT) technology in recent years, self-actuated sensor systems without an external power supply such as flexible triboelectric nanogenerator (TENG)-based strain sensors have received wide attention due to their simple structure and self-powered active sensing properties. However, satisfy practical applications human wearable biointegration, TENGs impose higher requirements for establishing a balance between material flexibility good electrical In this work, strength MXene/substrate interface was greatly improved by utilizing leather with unique surface substrate material, resulting mechanically strong electrically conductive MXene film. Due natural fiber surface, film rough obtained, which output performance TENG. The electrode voltage on based single-electrode TENG can reach 199.56 V maximum density 0.469 mW/cm2. Combined laser-assisted technology, efficient array preparation graphene achieved applied various human-machine (HMI) applications.

Язык: Английский

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Flexible, Breathable, and Self-Powered Patch Assembled of Electrospun Polymer Triboelectric Layers and Polypyrrole-Coated Electrode for Infected Chronic Wound Healing

ACS Applied Materials & Interfaces, Год журнала: 2023, Номер 15(14), С. 17641 - 17652

Опубликована: Апрель 3, 2023

Chronic wound healing is often impaired by bacterial infection and weak trans-epithelial potential. Patches with electrical stimulation bactericidal activity may solve this problem. However, inconvenient power resistant antibiotics limit their application. Here, we proposed a self-powered intrinsic patch based on triboelectric nanogenerator (TENG). Electrospun polymer tribo-layers chemical vapor-deposited polypyrrole electrode are assembled as the TENG, offering excellent flexibility, breathability, wettability. Electrical stimulations harvesting mechanical motions positive charges surface kill over 96% of bacteria due to synergistic effects cell membrane disruption. Moreover, TENG promotes infected diabetic rat skin wounds heal within 2 weeks. Cell culture animal tests suggest that enhances gene expression growth factors for accelerated healing. This work provides new insights into design wearable multifunctional electrotherapy devices chronic treatment.

Язык: Английский

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Highly Stretchable and Strain‐Insensitive Liquid Metal based Elastic Kirigami Electrodes (LM‐eKE)

Advanced Functional Materials, Год журнала: 2023, Номер 33(30)

Опубликована: Апрель 28, 2023

Abstract Kirigami, a traditional paper‐cutting art, is promising method for creating mechanically robust circuitry unconventional devices capable of extreme stretchability through structural deformation. In this study, design approach expanded upon by introducing Liquid Metal based Elastic Kirigami Electrodes (LM‐eKE) in which kirigami‐patterned soft elastomers are coated with eutectic gallium‐indium (EGaIn) alloy. Overcoming the mechanical and electrical limitations previous efforts paper‐like kirigami, all LM‐eKE can be stretched to 820% strain while resistance only increases 33%. This enabled fluidic properties EGaIn coating, maintains high conductivity even as elastic substrate undergoes Applying human knee joints fingers, change during physical activities under 1.7%, thereby allowing stable operation wearable health monitoring tracking electroencephalogram (EEG) signals other physiological activity.

Язык: Английский

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Anti-freeze hydrogel-based sensors for intelligent wearable human-machine interaction

Chemical Engineering Journal, Год журнала: 2024, Номер 481, С. 148526 - 148526

Опубликована: Янв. 7, 2024

Язык: Английский

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