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An integrated smart heating control system based on sandwich-structural textiles.

Jiani Huang1, Yanru Li1, Zijie Xu1

  • 1College of Materials, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, Xiamen University, Xiamen 361005, People's Republic of China.

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A novel smart textile integrates silver nanofiber heaters and platinum nanofiber temperature sensors for wearable heating control systems. This system offers real-time temperature monitoring and wireless control for healthcare applications.

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Area of Science:

  • Materials Science
  • Textile Engineering
  • Wearable Technology

Background:

  • Smart fabrics with integrated heating control systems (HCS) are crucial for healthcare applications like warming and thermotherapy.
  • Metal nanofibers (NFs) offer excellent flexibility, conductivity, and gas permeability, making them ideal for wearable electronics.

Purpose of the Study:

  • To construct a novel sandwich-structured textile (Ag NFs/fabrics/Pt NFs) for an advanced HCS.
  • To utilize Ag NF networks as wearable heaters and Pt NF networks as wearable temperature sensors.

Main Methods:

  • Fabrication of a sandwich-structured textile incorporating silver (Ag) and platinum (Pt) nanofiber networks.
  • Enhancement of metal NF conductivity and mechanical stability through crosslinking.
  • Integration of the textile into a HCS for simultaneous heating and temperature sensing.

Main Results:

  • The developed HCS exhibited high thermo-stability and thermal resistance (163.5 °C W⁻¹ cm²).
  • The system demonstrated high temperature sensitivity (0.135% °C⁻¹) with a low average error (0.57%) in temperature mapping.
  • The HCS enabled real-time heating and temperature detection/control via Bluetooth and smartphone integration.

Conclusions:

  • The novel Ag NFs/fabrics/Pt NFs textile provides a robust platform for smart heating control systems.
  • The HCS is suitable for wearable thermotherapy, thermochromic fabrics, and real-time temperature monitoring in healthcare.
  • Wireless control via Bluetooth enables user-friendly operation for personalized thermal management.