Graphene-mxene composite aerogel and preparation method and application thereof

By preparing a multi-layered gradient graphene-MXene composite aerogel, the problems of high brittleness and limited functionality of MXene aerogel were solved, achieving a dynamic infrared stealth effect with high compression resilience and broadband microwave absorption, which is suitable for electronic communications and aerospace fields.

CN118324129BActive Publication Date: 2026-05-19SOUTH CHINA UNIV OF TECH +1
2 Cites 0 Cited by

Patent Information

Application Number
CN202410359483.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-03-27
Publication Date
2026-05-19
Estimated Expiration
2044-03-27

AI Technical Summary

Technical Problem

Existing MXene aerogels are brittle and have poor compression resilience due to the lack of covalent cross-linking between the layers, and they also lack dynamic infrared stealth and broadband microwave absorption capabilities.

Method used

A multi-layered gradient graphene-MXene composite aerogel was formed by preparing an aqueous dispersion of graphene oxide and performing bidirectional cryogenic casting. The interfacial bonding was enhanced by the physical entanglement and chemical cross-linking of graphene oxide and MXene, and the graphene-MXene composite aerogel was formed by annealing.

Benefits of technology

A multilayer gradient structure of graphene-MXene composite aerogel was achieved, exhibiting excellent compression resilience, dynamic infrared stealth performance, and broadband microwave absorption capabilities, making it suitable for applications in electronic communications and aerospace.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The application discloses graphene-MXene composite aerogel as well as a preparation method and application thereof. The preparation method of the graphene-MXene composite aerogel comprises the following steps: 1) preparing an oxidized graphene-MXene water dispersion; 2) preparing an oxidized graphene-MXene frozen block; 3) preparing an oxidized graphene-MXene composite aerogel; and 4) annealing the oxidized graphene-MXene composite aerogel. The graphene-MXene composite aerogel has a multi-layer gradient structure, excellent compression resilience, dynamic infrared stealth and wide-band microwave absorption dual functions, and the preparation method is simple, so that the graphene-MXene composite aerogel can be widely applied in the fields of electronic communication, aerospace and the like.
Need to check novelty before this filing date? Find Prior Art