Omnidirectionally Stretchable High-Performance Microbatteries Based on Nanocomposite Current Collectors DOI
Sisi Li, Ting Fang, Qianying Lu

et al.

Nano Letters, Journal Year: 2025, Volume and Issue: unknown

Published: May 2, 2025

Stretchable electronics are transforming next-generation wearables and robotics, creating a significant demand for compatible energy storage devices. Microbatteries, known their compact flat design, hold great promise but often face limitations of low strain tolerance unidirectional stretchability. Here, we introduce omnidirectionally stretchable Zn-MnO2 microbatteries featuring innovative nanocomposite current collectors. These collectors comprise serpentine-patterned silver nanowire carbon nanotube nanocomposites embedded in soft elastomer, which effectively dissipate across all directions. The resulting microbattery achieves impressive performance, including high capacity (>1.5 mAh cm-2), excellent rate capability (up to 5.0 mA robust operation under omnidirectional/biaxial strains. Additionally, multiple cells successfully integrated with wireless charging circuit LED array, forming wearable system that seamlessly conforms body movements. This work establishes novel design framework deformable devices, merging superior electrochemical performance multidirectional

Language: Английский

Omnidirectionally Stretchable High-Performance Microbatteries Based on Nanocomposite Current Collectors DOI
Sisi Li, Ting Fang, Qianying Lu

et al.

Nano Letters, Journal Year: 2025, Volume and Issue: unknown

Published: May 2, 2025

Stretchable electronics are transforming next-generation wearables and robotics, creating a significant demand for compatible energy storage devices. Microbatteries, known their compact flat design, hold great promise but often face limitations of low strain tolerance unidirectional stretchability. Here, we introduce omnidirectionally stretchable Zn-MnO2 microbatteries featuring innovative nanocomposite current collectors. These collectors comprise serpentine-patterned silver nanowire carbon nanotube nanocomposites embedded in soft elastomer, which effectively dissipate across all directions. The resulting microbattery achieves impressive performance, including high capacity (>1.5 mAh cm-2), excellent rate capability (up to 5.0 mA robust operation under omnidirectional/biaxial strains. Additionally, multiple cells successfully integrated with wireless charging circuit LED array, forming wearable system that seamlessly conforms body movements. This work establishes novel design framework deformable devices, merging superior electrochemical performance multidirectional

Language: Английский

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