Synthesis process for a composite material capable of storing and releasing thermal energy

Mechanosynthesis of an inorganic matrix with phase-change materials addresses leakage and manufacturing complexity, resulting in thermally efficient, stable, and recyclable composite materials for energy regulation.

FR3119171B1Active Publication Date: 2026-06-26POLYMAGE
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Patent Information

Application Number
FR2021000685
Authority / Receiving Office
FR · FR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-01-25
Publication Date
2026-06-26
Estimated Expiration
2041-01-25

AI Technical Summary

Technical Problem

Existing composite materials with phase change materials (PCMs) face issues such as leakage, corrosion, and complex, costly manufacturing processes, particularly with macro-, micro-, and nano-encapsulation methods.

Method used

A mechanosynthesis process is used to assemble an inorganic matrix with a phase-change material, confining the active ingredient within the matrix's porosities through impact and friction, eliminating the need for solvents and simplifying the manufacturing process.

Benefits of technology

The resulting composite material retains thermal energy efficiently, maintains dimensional stability, and is environmentally friendly, with enhanced fire stability and recyclability, suitable for various applications including building, textiles, and renewable energy.

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Abstract

Method for synthesizing a composite material capable of storing and releasing thermal energy. The invention relates to a method for synthesizing a composite material comprising an inorganic matrix and an active ingredient, the active ingredient being a phase-change material, characterized in that the method comprises at least one step of assembling the active ingredient into the matrix by mechanosynthesis. The present invention relates to the field of composite materials and their manufacture. More particularly, it relates to methods for synthesizing composite materials. The invention will find more specific application for composite materials intended to regulate energy inputs and losses, particularly in the fields of building construction, textiles, packaging, electronics, transportation, and renewable energy. Figure for the abstract: Fig. 1
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