A heat storage material and a method for producing the same

A novel thermal storage material was prepared by combining graphite, silicon carbide, and infrared transparent materials, which solved the problems of low energy storage density and limited thermal conduction efficiency in existing thermal storage technologies, and achieved high-efficiency energy storage and heat transfer capabilities.

CN122146248APending Publication Date: 2026-06-05CHINA NUCLEAR POWER ENGINEERING COMPANY LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA NUCLEAR POWER ENGINEERING COMPANY LTD
Filing Date
2026-02-02
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing molten salt thermal storage and magnesia brick solid thermal storage technologies have problems such as low thermal energy density, thermal conduction efficiency limited by transmission distance, and safety.

Method used

Thermal storage materials are prepared by combining graphite, silicon carbide, and infrared transparent materials. The infrared transparent materials are used as an enhanced heat transfer medium, and the internal radiation of the infrared transparent material is used to enhance heat transfer. The conductivity of the thermal storage materials is adjusted to achieve uniform bulk self-heating.

Benefits of technology

It improves the energy storage density and heat transfer capacity of thermal storage materials, realizes a rapid charging and releasing process, and enhances thermal conductivity and radiation-enhanced heat transfer effect.

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Abstract

The application discloses a heat storage material and a preparation method thereof, and belongs to the field of heat storage. The heat storage material at least comprises a base body containing graphite and silicon carbide, and an infrared transparent material inlaid in the base body. The heat storage material and the preparation method thereof can improve the energy storage density and heat transfer capacity of the heat storage material.
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