Silane-modified MXene/PVA hydrogel for enhanced streaming vibration potential in high-performance flexible triboelectric nanogenerators

Lai, Bo-Yu; Lai, Sz-Nian; Lin, Hsun-Yen; Wu, Jyh Ming

doi:10.1016/j.nanoen.2024.109554

Nano Energy

2024

DOI: 10.1016/j.nanoen.2024.109554

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Silane-modified MXene/PVA hydrogel for enhanced streaming vibration potential in high-performance flexible triboelectric nanogenerators

Bo-Yu Lai,

Sz-Nian Lai,

Hsun-Yen Lin

et al.

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Cited by 8 publications

References 37 publications

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High‐Strength, Antiswelling Directional Layered PVA/MXene Hydrogel for Wearable Devices and Underwater Sensing

Zhang,

Guo,

Gao

et al. 2024

Advanced Science

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Hydrogel sensors are widely utilized in soft robotics and tissue engineering due to their excellent mechanical properties and biocompatibility. However, in high‐water environments, traditional hydrogels can experience significant swelling, leading to decreased mechanical and electrical performance, potentially losing shape, and sensing capabilities. This study addresses these challenges by leveraging the Hofmeister effect, coupled with directional freezing and salting‐out techniques, to develop a layered, high‐strength, tough, and antiswelling PVA/MXene hydrogel. In particular, the salting‐out process enhances the self‐entanglement of PVA, resulting in an S‐PM hydrogel with a tensile strength of up to 2.87 MPa. Furthermore, the S‐PM hydrogel retains its structure and strength after 7 d of swelling, with only a 6% change in resistance. Importantly, its sensing performance is improved postswelling, a capability rarely achievable in traditional hydrogels. Moreover, the S‐PM hydrogel demonstrates faster response times and more stable resistance change rates in underwater tests, making it crucial for long‐term continuous monitoring in challenging aquatic environments, ensuring sustained operation and monitoring.

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High‐Strength, Antiswelling Directional Layered PVA/MXene Hydrogel for Wearable Devices and Underwater Sensing

Zhang,

Guo,

Gao

et al. 2024

Advanced Science

View full text Add to dashboard Cite

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Energizing the future: Unveiling challenges and prospects in MXene-based piezoelectric and triboelectric nanogenerators for micro- and nanoscale energy harvesting applications

Rasheed,

Ajmal,

Wang

et al. 2024

Applied Materials Today

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Regulating the microstructure and hydrophilicity of cellulose nanofibers using taurine and the application in humidity sensor and actuator

Li,

Song,

et al. 2024

Chemical Engineering Journal

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Silane-modified MXene/PVA hydrogel for enhanced streaming vibration potential in high-performance flexible triboelectric nanogenerators

Cited by 8 publications

References 37 publications

High‐Strength, Antiswelling Directional Layered PVA/MXene Hydrogel for Wearable Devices and Underwater Sensing

High‐Strength, Antiswelling Directional Layered PVA/MXene Hydrogel for Wearable Devices and Underwater Sensing

Energizing the future: Unveiling challenges and prospects in MXene-based piezoelectric and triboelectric nanogenerators for micro- and nanoscale energy harvesting applications

Regulating the microstructure and hydrophilicity of cellulose nanofibers using taurine and the application in humidity sensor and actuator

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