Cold-resistant, highly stretchable ionic conductive hydrogels for intelligent motion recognition in winter sports

Materials Horizons, Journal Year: 2023, Volume and Issue: 11(5), P. 1234 - 1250

Published: Dec. 22, 2023

Conductive hydrogels have attracted much attention for their wide application in the field of flexible wearable sensors due to outstanding flexibility, conductivity and sensing properties. However, weak mechanical properties, lack frost resistance susceptibility microbial contamination traditional conductive greatly limit practical application. In this work, multifunctional polyvinyl alcohol (PVA)/carboxymethyl cellulose (CMC)/poly(acrylamide-

Language: Английский

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Critical challenges and solutions: quasi-solid-state electrolytes for zinc-based batteries

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(10), P. 3270 - 3306

Published: Jan. 1, 2024

QSSEs are emerging in aqueous ZBs and modern applications. By summarizing the fundamentals of materials properties, battery performance applications QSSEs, this review provides insight into future development optimization wider application fields.

Language: Английский

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Bamboo-Inspired, Environmental Friendly PDMS/Plant Fiber Composites-Based Capacitive Flexible Pressure Sensors by Origami for Human–Machine Interaction

ACS Sustainable Chemistry & Engineering, Journal Year: 2024, Volume and Issue: 12(12), P. 4835 - 4845

Published: March 8, 2024

With the widespread adoption of green and sustainable development concepts, enhancing sensing performance flexible pressure sensors while reducing manufacturing costs environmental pollution has emerged as a pressing research issue. Drawing inspiration from bamboo, naturally occurring plant, we utilized virgin bamboo pulp raw material for producing draw paper. The resulting cylinder structure serves dielectric layer. We propose an extremely low-cost, user-friendly, origami method fabricating paper-based sensors. structural parameters sensor were thoroughly investigated optimized through finite element simulations practical experiments. Notable features include high sensitivity (1.96 kPa–1 within 0–50 kPa), low detection limit (2 Pa), wide range (0–500 rapid response recovery times (40 45 ms, respectively), reliable durability stability (∼5000 cycles). Experimental results demonstrate successful application these in areas such human motion, health monitoring, human–computer interaction. potential applications extend to wearables, smart healthcare, human–machine collaboration, electronic skin (e-skin).

Language: Английский

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Highly Sensitive and Wide Detection Range Thermoplastic Polyurethane/Graphene Nanoplatelets Multifunctional Strain Sensor with a Porous and Crimped Network Structure

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(2), P. 2814 - 2824

Published: Jan. 5, 2024

High-performance flexible strain sensors have tremendous potential applications in wearable devices and health monitoring. However, developing a sensor with high sensitivity over wide range remains significant challenge. In this study, fibrous membrane porous crimped structure was designed as the substrate material for TPU/GNPs sensors. This structural design effectively balances range. The TPU-PEO prepared using electrospinning water washing, resulted TPU framework. Subsequently, subjected to anhydrous ethanol stimulation obtain network structure. GNPs were modified on through ultrasonic treatment. produced exhibited (GF = 4047.5) within large (350%) demonstrated excellent sensing performance, stability, durability (>10,000 cycles). It not only captured basic movements but also efficiently recognized measured bending angles, enabling more sophisticated human–machine interaction experience. advancement opens up possibilities future intelligent technology interaction, contributing evolution of these fields.

Language: Английский

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Bioinspired Tunable Helical Fiber-Shaped Strain Sensor with Sensing Controllability for the Rehabilitation of Hemiplegic Patients

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 11, 2025

Fiber-based strain sensors, as wearable integrated devices, have shown substantial promise in health monitoring. However, current sensors suffer from limited tunability sensing performance, constraining their adaptability to diverse human motions. Drawing inspiration the structure of spiranthes sinensis, this study introduces a unique textile wrapping technique coil flexible silver (Ag) yarn around surface multifilament elastic polyurethane (PU), thereby constructing helical fiber-based sensor. The synergistic interaction between PU core and outer Ag enhances mechanical strength stretchability sensor, while external offers high conductivity. By adjusting spacing coils on we achieve precise control over both sensitivity range. Specifically, experimental results show that with pitch 1.25 mm, range reaches up 150%, gauge factor (GF) is 2.6; when adjusted 5 within 60% range, GF value significantly increases 9.3. Based these excellent performance metrics, further apply sensor conductor ECG monitoring garments, successfully verifying its practicality cardiac Additionally, developed smart glove for hand function rehabilitation training, utilizing wireless signal transmission promote recovery hemiplegic patients. also capable effectively respiratory rate pulse, showing broad prospects fields medicine healthcare.

Language: Английский

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Microcracked strain sensor based on carbon nanotubes/copper composite film with high performance and waterproof property for underwater motion detection

Composites Part B Engineering, Journal Year: 2023, Volume and Issue: 254, P. 110574 - 110574

Published: Jan. 31, 2023

Language: Английский

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Large-scale fabrication of conductive yarn with synergistic conductive coating for high-efficient strain sensing and photothermal conversion

Materials Today Nano, Journal Year: 2023, Volume and Issue: 24, P. 100427 - 100427

Published: Oct. 27, 2023

Language: Английский

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The Need for Smart Materials in an Expanding Smart World: MXene-Based Wearable Electronics and Their Advantageous Applications

ACS Omega, Journal Year: 2023, Volume and Issue: unknown

Published: Dec. 29, 2023

As a result of the transformation inflexible electronic structures into flexible and stretchy devices, wearable electronics now provide great advantages in variety fields, including mobile healthcare sensing monitoring, human–machine interfaces, portable energy storage harvesting, more. Because their enriched surface functionalities, large area, high electrical conductivity, transition metal nitrides carbides (also known as MXenes) have recently come to be extensively considered group functioning two-dimensional nanomaterials well exceptional fundamental elements for forming devices. This Review discusses most recent advancements that been made field MXene-enabled electronics. The emphasis is placed on established nonstructural features order highlight some devices were constructed nanometric scale. These attributes include configured three dimensions: printed materials, bioinspired structures, textile planar substrates. In addition, sample applications electromagnetic interference (EMI) shielding, energy, healthcare, humanoid control machinery illustrate development these nanodevices. increasing potential MXene nanoparticles new area next-generation technologies projected this Review. design challenges associated with are also discussed, possible solutions presented.

Language: Английский

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Stretchable, flexible, and breathable MXene/dopamine/thermoplastic polyurethane nanofiber membrane with outstanding strain sensing and electromagnetic interference shielding performances

Materials Today Communications, Journal Year: 2024, Volume and Issue: 38, P. 107968 - 107968

Published: Jan. 3, 2024

Language: Английский

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Hydrogel-based flexible degradable triboelectric nanogenerators for human activity recognition

Sustainable materials and technologies, Journal Year: 2024, Volume and Issue: 40, P. e00967 - e00967

Published: May 8, 2024

Language: Английский

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