The progress of smart skin technology presents unprecedented opportunities for artificial intelligence. Resolution enhancement and energy conservation are critical to improve the perception standby time robots. Here, we present a self-powered analogue detecting contact location velocity object, based on single-electrode electrification effect planar electrostatic induction. Using an localizing method, resolution this two-dimensional can be achieved at 1.9 mm with only four terminals, which...

A triboelectric nanogenerator (TENG) has been thought to be a promising method harvest energy from environment. To date, the utilization of surface structure and material modification considered most effective way increase its performance. In this work, wrinkle based high-performance TENG is presented. Using fluorocarbon plasma treatment method, are introduced in one step. The output ability dramatically enhanced. After optimization treatment, maximum current charge density 182 μA about 165...

As the essential element of a triboelectric nanogenerator (TENG), friction layers play key roles that determine device performance, which can be enhanced by material selection and surface modification. In this work, we have embedded aligned carbon nanotubes (CNTs) on polydimethylsiloxane (PDMS) as effective dielectric layer to donate electrons. This not only increases electron generation for output, but also shows notable stretchability. The length properties CNTs controlled precisely. Using...

Abstract The advancement of electronic skin envisions novel multifunctional human machine interfaces. Although motion sensing by detecting contact locations is popular and widely used in state‐of‐the‐art flexible electronics, noncontact localization exerts fascinations with unique interacting experiences. This paper presents a self‐powered capable the surface electrified object across plane parallel to that based on electrostatic induction triboelectric effects. displacement calculated under...

This paper presents a new high-output, flexible and transparent nanogenerator using chemical vapor deposition grown graphene as one of the friction layer. Graphene on copper is transferred onto polyethylene terephthalate by wet transfer method makes graphene-based triboelectric (TENG) have electrical conductivity high optical transmittance. We fabricated plasma treated thin layer polydimethylsiloxane structure another to improve output performance nanogenerator. Using this TENG, maximum...

With flexibility, compatibility, and low electrode numbers, the smart gloves provide excellent sensing ability interaction experience in gesture recognition.

An electrification based multifunctional device has been demonstrated, which incorporates energy harvesting, active mechanical/chemical sensing, and self-powered visualized detection.

In this paper, we demonstrate a miniature energy harvesting wind velocity sensor of simple, low-cost construction, based on single-degree-of-freedom galloping structure. The consists prismatic bluff body with triangular cross section attached to the free end cantilever incorporating commercial polyvinylidene fluoride piezoelectric film. wind, causes vibration galloping, and film converts into an electrical signal. We have observed negative correlation between frequency, that relationship can...

This paper reports a wearable triboelectric nanogenerator (TENG) based on the conductive and stretchable composite fabric, which is cost-effective can be easily mass produced. Multi-wall carbon nanotubes (MWCNT) are directly composited with cotton knitting fabric through dipping drying method. The sheet resistance reduces to 505 Ω/sq after 10 cycles. Using this single electrode, peak output power density of TENG achieves ~12 μW/cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...

This paper reports a novel ultra-sensitive pressure sensor with single electrode PDMS-PEDOT-Parylene 3-layers structure, which is not only super thin, but also transparent and stretchable. Therefore, it can be utilized as an important part for electronic skins or wearable devices. Thanks to the sensitive deformation of microstructures when external applied, reaches high sensitivity 14.15 kPa−1 excellent linearity in low region, distinguishes about 0.212 Pa first time. Moreover, distinctive...

Abstract In this paper, we demonstrate a miniature wind speed sensor consisting of triangle-shaped bluff body attached to the free end cantilever incorporating commercial PVDF piezoelectric film. wind, causes regular vibration based on galloping, and film converts energy into electrical energy. The frequency device has an approximately linear dependence speed, so can be used detect directly with high accuracy. tunnel tests, principle could from 4.45 10 m/s, measured was typically within 2%...

This work presents a flexible and wearable energy harvester for harvesting muscle motion energy. A novel single-step fluorocarbon plasma induced wrinkle structure is employed as the friction layer to increase its performance by enlarging contact area introducing material modification at same time. Under bending or pressing, this device could produce an alternating current. Additionally, adjusting spin-coating speed, morphology thickness of PDMS (polydimethylsiloxane) film be controlled....

This paper presents a new high-output, flexible and transparent nanogenerator using CVD grown graphene as one of the friction layer. Graphene on copper is transferred onto PET by wet transfer method, which makes this based TENG have electrical conductivity high optical transmittance. We fabricated fluorocarbon plasma treated thin layer PDMS structure another to improve output performance nanogenerator. Using Graphene-based TENG, maximum voltage 650 V current 12µA achieved at 4.3 Hz...

This work adopts high-frequency inductive power transfer (HF-IPT) to design an efficient WPT system for low-power sensors and robots in a fresh water environment, explores the effect of on coil coupling at different distances. The configuration is composed loadindependent Class-EF inverter, PCB coils Class-D rectifier with available gap up 100 mm. In experiments, prototype achieved peak efficiency 66.5% delivery 8.3 W 4.5 cm air coefficient 0.1. it still maintained Zero Voltage Switching...

Abstract Introduction Traditional dietary intake assessment is labour- and time-consuming prone to inaccuracies biases. Emerging wearable sensing technology may offer a promising solution. This protocol paper describes study investigating the physiological responses energy utilising customised multi-sensor band, which specifically designed monitor multiple behavioural related eating digestion events for monitoring. Methods Analysis will recruit 10 healthy volunteers from databases public...

Abstract Introduction Objective and accurate dietary monitoring is critical for comprehensive assessment improving nutritional health outcomes. The rapid development of wearable sensing technology presents a promising solution effective that reduces recall bias increases user convenience, contributing to clinical chronic disease management research. This systematic review aims explore the effectiveness practicality sensors in behaviours, while also examining latest advancements field since...