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March 14, 2026Advanced Materials

High‐Performance Flexible Pyroelectric Energy Harvesting System Enabled by Light‐Driven Thermomechanical Coupling in Liquid Crystal Elastomer

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Authors

JLJiaqi LuoJXJie-Ke XuHBHari Krishna Bisoyi

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Overview

Composite materials enhance pyroelectric outputs in flexible systems, suggesting improved energy harvesting solutions.

Key Points

  • The aim is to develop a flexible energy harvesting system using liquid crystal elastomers enhanced with PVDF and liquid metal.
  • Developed a PVDF/LM-LCE composite for enhanced mechanical coupling and stress transfer.
  • Evaluated the pyroelectric coefficient and energy output of the composite.
  • Tested the performance by powering LEDs and digital sensors.
  • Achieved a pyroelectric coefficient of -4.81 nC·cm²·K⁻¹, significantly higher than traditional PVDF films.
  • Effectively powered two LEDs and digital sensors with low-grade photothermal fluctuations.
  • Demonstrated improved mechanical robustness and charge transport capabilities.

Cite This Study

Luo et al. (2026) studied this question.

synapsesocial.com/papers/69b4fb9db39f7826a300beadhttps://doi.org/10.1002/adma.202519065
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