Flexible Triboelectric Sensor based on Catalyst‐Diffusion Self‐Encapsulated Conductive Liquid‐Metal‐Silicone Ink for Somatosensory Soft Robotic System DOI
Shuai Xian, Yong Xu, Yixin Li

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 8, 2024

Abstract The combination of fluidity and metallic conductivity has attracted considerable attention to liquid metal (LM), but its development remains challenging due enormous surface tension. Here, vinyl‐terminated silicone oil platinum catalyst are added LM reduce tension, which develops a special type liquid‐metal‐silicone (LMS) ink with diffusion effect. Combined an embedded three‐dimentional (3D) printing method, the LMS is printed on support matrix, diffuses outward along print path cure around it, directly constructing self‐encapsulated conductive composites excellent flexible tactile sensors based triboelectric nanogenerator (TENG). sensor exhibits sensitivity (0.308 V kPa −1 ), high linearity (≈0.99), good durability (over 10 000 cycles). Furthermore, when used in wearable electronics, demonstrates performance accuracy ≈96% classifying different human postures using convolutional neural network. Finally, through 3D ink, somatosensory soft robotic gripper complex cavity structures designed manufactured one step, achieving all‐in‐one integration actuators. This study shows great application potential electronics systems.

Language: Английский

Zero‐Biased Bionic Fingertip E‐Skin with Multimodal Tactile Perception and Artificial Intelligence for Augmented Touch Awareness DOI
Xinge Guo, Zhongda Sun, Yao Zhu

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 11, 2024

Abstract Electronic skins (E‐Skins) are crucial for future robotics and wearable devices to interact with perceive the real world. Prior research faces challenges in achieving comprehensive tactile perception versatile functionality while keeping system simplicity lack of multimodal sensing capability a single sensor. Two kinds sensors, transient voltage artificial neuron (TVAN) sustained potential (SPAN), featuring self‐generated zero‐biased signals developed realize synergistic information (vibration, material, texture, pressure, temperature) device instead complex sensor arrays. Simultaneously, machine learning feature fusion is applied fully decode their output compensate inevitable instability force, speed, etc, applications. Integrating TVAN SPAN, formed E‐Skin achieves holistic touch awareness only unit. It can thoroughly an object through simple without strictly controlled testing conditions, discern surface roughness from 0.8 1600 µm, hardness 6HA 85HD, correctly distinguish 16 objects temperature variance 0 80 °C. The E‐skin also features scalable fabrication process, which be integrated into various broad

Language: Английский

Citations

23
Bioinspired Superhydrophobic Triboelectric Materials for Energy Harvesting DOI Open Access

Ziyi Ye,

Tao Liu, Guoli Du

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 30, 2024

Abstract Drawing inspiration from nature has served as a crucial driving force behind human progress, enabling groundbreaking advancements and cross‐disciplinary integration through the emulation of biological superhydrophobic phenomena. Bioinspired triboelectric materials stand out among advanced due to their unique hydrophobic properties, exceptional moisture resistance, remarkable electrical performance. However, inherent complexity natural phenomena need for refinement in bioinspired design pose significant challenges development materials. This comprehensive review delves into perspectives theoretical underpinnings, fabrication strategies, cutting‐edge applications. Rooted interaction mechanisms between water molecules materials, importance enhanced properties is elucidated. A systematic overview materials’ construction strategies presented, offering fresh insights application high‐performance nanogenerators (TENGs). Finally, current untapped opportunities are summarized fully unlock potential applications TENGs.

Language: Английский

Citations

21
Flexible Pressure, Humidity, and Temperature Sensors for Human Health Monitoring DOI
Jiaqi Li,

Z. Fang,

Dongsong Wei

et al.

Advanced Healthcare Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 17, 2024

Abstract The rapid advancements in artificial intelligence, micro‐nano manufacturing, and flexible electronics technology have unleashed unprecedented innovation opportunities for applying sensors healthcare, wearable devices, human–computer interaction. human body's tactile perception involves physical parameters such as pressure, temperature, humidity, all of which play an essential role maintaining health. Inspired by the sensory function skin, many bionic been developed to simulate skin's various stimuli are widely applied health monitoring. Given urgent requirements sensing performance integration field devices monitoring, here is a timely overview recent advances multi‐functional It covers fundamental components categorizes them based on different response mechanisms, including resistive, capacitive, voltage, other types. Specifically, application these area monitoring highlighted. Based this, extended dual/triple‐mode integrating temperature presented. Finally, challenges discussed.

Language: Английский

Citations

20
Dynamic keystroke-password recognition based on piezoelectric-triboelectric coupling sensor array with crosstalk-free for authentication system DOI

Wenqiu Liu,

Meng Chen, Xiping Jiang

et al.

Nano Energy, Journal Year: 2025, Volume and Issue: unknown, P. 110667 - 110667

Published: Jan. 1, 2025

Language: Английский

Citations

5
Passive Isothermal Flexible Sensor Enabled by Smart Thermal‐Regulating Aerogels DOI Open Access

Shenjie Zhong,

Bohan Lu,

Duan‐Chao Wang

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 5, 2025

Environmentally induced sensor temperature fluctuations can distort the outputs of a sensor, reducing their stability during long-term health monitoring. Here, passive isothermal flexible is proposed by using hierarchical cellulose aerogel (HCA) as top tribonegative layer, which allows to adapt dynamic thermal environments through both radiative cooling and heat insulation. The effect cool down temperatures in summer, while hollow microfibers HCA provide ultralow conductivity reduce internal loss winter. prepared capable maintaining rated working over an extensive range 0-100 °C, demonstrating for gripping hot cold objects. While monitoring human movements under direct sunlight, conventional rose 12.3 whereas experienced increase only 0.3 °C. Therefore, this work presents promising strategy adapting environments, enabling wearable electronics function effectively conditions.

Language: Английский

Citations

4
Recent Progress in Flexible Piezoelectric Tactile Sensors: Materials, Structures, Fabrication, and Application DOI Creative Commons

Jingyao Tang,

Yiheng Li,

Yirong Yu

et al.

Sensors, Journal Year: 2025, Volume and Issue: 25(3), P. 964 - 964

Published: Feb. 5, 2025

Flexible tactile sensors are widely used in aerospace, medical and health monitoring, electronic skin, human–computer interaction, other fields due to their unique advantages, thus becoming a research hotspot. The goal is develop flexible sensor characterized by outstanding sensitivity, extensive detection range linearity, elevated spatial resolution, commendable adaptability. Among several strategies like capacitive, piezoresistive, triboelectric sensors, etc., we focus on piezoelectric because of self-powered nature, high quick response time. These can respond wide dynamic mechanical stimuli turn them into measurable electrical signals. This makes it possible accurately detect objects, including shapes textures, for sense touch real work encapsulates current advancements focusing enhanced material properties, optimized structural design, improved fabrication techniques, broadened application domains. We outline the challenges facing provide inspiration guidance future development.

Language: Английский

Citations

3
Hierarchical rGO‐Based Triboelectric Sensors Enable Motion Monitoring and Trajectory Tracking DOI Open Access
Sheng Liu,

Weiming Qing,

Jiacheng Zhang

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 13, 2025

Abstract Flexible sensors are increasingly recognized for their transformative potential in wearable electronic devices, medical monitoring, and human‐computer interaction. Despite the advancements, developing a flexible sensor array with simple structure large area preparation effective signal sensing monitoring capabilities remains challenging. In this study, hierarchical rGO‐based triboelectric (HG‐FTS) is scalably prepared by blade‐coating approach, which nitrogen‐doped reduced graphene oxide (rGO) sheet hierarchically deposited polydimethylsiloxane (PDMS) layer. The performed single electrode mode not only demonstrates exceptional reliability consistency but also achieves maximum voltage of ≈129 V power density ≈0.5 W m −2 . These characteristics enable real‐time human physiological signals joint motion high fidelity. Furthermore, an intelligent interactive control system developed using HG‐FTS, featuring digital touch screen rectangular pattern. build can be successfully used pressure sensing, object shape recognition, trajectory tracking. This work provides viable solution to high‐performance manufacturing application HG‐FTS interaction, sensing.

Language: Английский

Citations

2
A Neural Device Inspired by Neuronal Oscillatory Activity with Intrinsic Perception and Decision‐Making DOI Creative Commons

Congtian Gu,

Guoliang Ma,

Mengze Zhang

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 4, 2025

Abstract Bionic neural devices often feature complex structures with multiple interfaces, requiring extensive post‐processing. In this paper, a device intrinsic perception and decision‐making (NDIPD), inspired by neuronal oscillatory activity is introduced. The utilizes alternating signals generated coupling the human body power‐frequency electromagnetic field as both signal source energy source, mimicking activity. peaks valleys of are differentially modulated to replicate baseline shift process in By comparing amplitude NDIPD's electrical output signal, achieves regarding location mechanical stimulation. This accomplished using single interface, which reduces data transmission, simplifies functionality, eliminates need for an external power supply. NDIPD demonstrates low‐pressure detection limit (<0.02 N), fast response time (<20 ms), exceptional stability (>200 000 cycles). It shows great potential applications such game control, UAV navigation, virtual vehicle driving. innovative supply method sensing mechanism expected open new avenues development bionic devices.

Language: Английский

Citations

2
A self-damping triboelectric tactile patch for self-powered wearable electronics DOI Creative Commons
Guoli Du, Jiamin Zhao, Yuzheng Shao

et al.

eScience, Journal Year: 2024, Volume and Issue: unknown, P. 100324 - 100324

Published: Oct. 1, 2024

Language: Английский

Citations

16
Biomimetic Materials for Skin Tissue Regeneration and Electronic Skin DOI Creative Commons

Sol Youn,

Mi‐Ran Ki, Mohamed Abdel‐Hamid

et al.

Biomimetics, Journal Year: 2024, Volume and Issue: 9(5), P. 278 - 278

Published: May 7, 2024

Biomimetic materials have become a promising alternative in the field of tissue engineering and regenerative medicine to address critical challenges wound healing skin regeneration. Skin-mimetic enormous potential improve outcomes enable innovative diagnostic sensor applications. Human skin, with its complex structure diverse functions, serves as an excellent model for designing biomaterials. Creating effective coverings requires mimicking unique extracellular matrix composition, mechanical properties, biochemical cues. Additionally, integrating electronic functionality into these presents exciting possibilities real-time monitoring, diagnostics, personalized healthcare. This review examines biomimetic their role healing, well integration technologies. It discusses recent advances, challenges, future directions this rapidly evolving field.

Language: Английский

Citations

14