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Dual-Function Ceramic Pigments for Energy-Efficient and Secure Autonomous Vehicles.

Ik Hoon Jeong1, Yong-Jun Seo2, Jum Soo Hwang3

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Summary
This summary is machine-generated.

New ceramic pigments offer dual benefits for vehicles: radiative cooling to reduce energy use and enhanced LiDAR detectability for autonomous driving safety. These pigments also enable anti-counterfeiting features.

Keywords:
LiDAR detectionMIE scatteringanti‐counterfeitingceramic pigmentdopingnear‐infrared reflectanceradiative cooling

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Area of Science:

  • Materials Science
  • Automotive Engineering
  • Optics

Background:

  • Automotive industry faces challenges with energy consumption and object detection accuracy.
  • High temperatures increase cooling demand, raising energy use in vehicles.
  • Autonomous driving requires precise detection of surrounding objects.

Purpose of the Study:

  • To develop advanced ceramic pigments for radiative cooling and improved LiDAR detectability.
  • To investigate the optical properties of doped ceramic pigments.
  • To create a bi-function ceramic pigment (BFCP) for automotive applications.

Main Methods:

  • Fabrication of doped ceramic pigments with enhanced near-infrared (NIR) reflectance.
  • Scattering analyses to study light redirection by ceramic particles.
  • Evaluation of radiative cooling (RC) performance and LiDAR detectability.

Main Results:

  • Developed pigments exhibit superior NIR reflectance, achieving a radiative cooling effect.
  • Ceramic particles strongly redirect light toward the source, enhancing LiDAR detectability.
  • Bi-function ceramic pigment (BFCP) outperforms commercial pigments in both RC and LiDAR detection.

Conclusions:

  • BFCP offers a dual solution for reducing vehicle energy consumption and improving autonomous driving safety.
  • The pigment's properties enable advanced anti-counterfeiting measures through IR visualization.
  • This innovation addresses key challenges in modern automotive technology.