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Thermoelectrics and thermocells for fire warning applications.

Zhaofu Ding1, Chunyu Du1, Wujian Long1

  • 1College of Materials Science and Engineering & College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518055, China.

Science Bulletin
|September 18, 2023
PubMed
Summary

Thermoelectrics (TEs) and thermocells (TECs) offer direct heat-to-electricity conversion for advanced fire warning systems. This review highlights recent progress, challenges, and future prospects in TE and TEC fire detection materials.

Keywords:
Fire warningSelf-poweredThermocellThermoelectrics

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Area of Science:

  • Materials Science
  • Energy Conversion
  • Safety Engineering

Background:

  • Fire disasters cause significant loss of life and property.
  • Effective fire warning systems are crucial for disaster prevention.
  • Thermoelectric (TE) and thermocell (TEC) materials offer unique heat-to-electricity conversion capabilities for fire detection.

Purpose of the Study:

  • To review recent advancements in thermoelectrics (TEs) and thermocells (TECs) for fire warning applications.
  • To elucidate the mechanisms of electronic TE (eTE), ionic TE (iTE), and TECs.
  • To discuss material preparation and device fabrication principles for TE/TEC fire warning systems.

Main Methods:

  • Review of existing fire warning systems and their mechanisms.
  • Detailed explanation of eTE, iTE, and TEC mechanisms.
  • Discussion of material preparation and device fabrication across different dimensions.
  • Highlighting key advances and examples of TE-based fire warnings.

Main Results:

  • Thermoelectric and thermocell materials are vital for direct heat-to-electricity conversion in fire warning systems.
  • Recent progress in TE and TEC materials demonstrates their potential for effective fire risk prediction.
  • Various material preparation and device fabrication strategies have been explored.

Conclusions:

  • TEs and TECs are indispensable for future fire warning systems due to their direct energy conversion.
  • Further research into TE and TEC materials is crucial for enhancing fire disaster prevention and reducing losses.
  • Addressing current challenges and exploring future prospects will drive innovation in this field.