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Hierarchical Modular Architecture Enabling Intelligent Dynamic Thermal Management and Superior Electromagnetic

Qi-Fan Xuan1,2, Pei-Yan Zhao1, Hualong Peng1,2

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Summary

This study presents a new wearable film for intelligent thermal management and electromagnetic interference (EMI) shielding. The advanced film ensures personal health and stable signal transmission in complex environments.

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Electromagnetic interference shieldingHierarchical modular designMXeneTemperature–humidity sensingThermal management

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Area of Science:

  • Materials Science
  • Wearable Technology
  • Biomedical Engineering

Background:

  • Conventional thermal management lacks environmental awareness and stable human-machine interaction, posing risks to personal health.
  • Existing wearable technologies struggle to integrate multiple functionalities effectively for advanced applications.

Purpose of the Study:

  • To develop a wearable intelligent thermal management film with robust electromagnetic interference (EMI) shielding capabilities.
  • To create a system with sensitive environmental monitoring and efficient thermal regulation for enhanced personal health and device performance.

Main Methods:

  • A hierarchical modular design strategy was employed.
  • A biomimetic serpentine dual-mode temperature-humidity sensing module was integrated.
  • A low-power electro-/photothermal conversion module was coupled for thermal regulation.

Main Results:

  • The system demonstrated sensitive temperature-humidity monitoring.
  • Achieved low-power electrothermal (51.79°C at 1.5V) and photothermal (56.38°C at 45.51 mW cm⁻²) regulation.
  • Exhibited excellent EMI shielding (1600 dB mm⁻¹ at 35 μm thickness).

Conclusions:

  • The hierarchical modular design optimizes material performance and functional synergy.
  • This scalable approach facilitates multifunctional integration for next-generation wearable electronics.
  • The developed film offers a practical solution for advanced wearable thermal management and signal integrity.