Programmable deformation and oxygen production magnetic drive soft robot and preparation method thereof

By assembling T-NdFeB with κ-carrageenan/polyacrylamide hydrogel and Ru-Bi2CrO6 catalyst, a magnetically driven soft robot programmable deformation and oxygen production was prepared, which solved the difficulty of application of photocatalysts in water environments and achieved the continuous oxygen supply of water bodies and the functional integration of magnetically driven soft robots.

CN119751759AActive Publication Date: 2025-04-04JIANGNAN UNIV
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Patent Information

Application Number
CN202411935647.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-04-04
Estimated Expiration
2044-12-26

AI Technical Summary

Technical Problem

In the prior art, the application of photocatalysts in water environments faces problems such as agglomeration, recycling difficulties, and difficulty in programming and functional integration of magnetically driven soft robots, resulting in the inability to effectively realize continuous oxygen supply to water bodies.

Method used

Magnetic hydrogel modules are prepared by compounding hard magnetic T-NdFeB into a κ-carrageenan/polyacrylamide hydrogel, and adding a ruthenium-doped bismuth chromate catalyst to the hydrogel to prepare functional modules, flexible assembly into a magnetic soft robot with complex geometry and magnetization distribution.

Benefits of technology

The magnetically driven soft robot is realized to show a variety of programmable deformation modes under magnetic field drive, and at the same time to provide oxygen stably and flexibly in water, solving the stability and recycling problems of photocatalysts, and improving the programming and functional integration capabilities of the magnetically driven soft robot.

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Abstract

The invention discloses a programmable deformation and oxygen production magnetic drive soft robot and a preparation method thereof, and belongs to the technical field of composite materials and photocatalysis. And compounding hard magnetic particles (T-NdFeB) of which the surfaces are modified into kappa-carrageenan / polyacrylamide (KC / PAm) hydrogel through a free radical polymerization process to obtain the magnetic driving module. And the modules are flexibly assembled into a soft robot with a complex geometrical shape and magnetization distribution by utilizing a self-healing process among the modules, so that the soft robot can realize various programmable deformations. In addition, a Ru-Bi2CrO6 photocatalyst is obtained by doping a Ru element into Bi2CrO6, the Ru-Bi2CrO6 photocatalyst is compounded into KC / PAm hydrogel to construct a functional module capable of generating oxygen, the functional module and a magnetic driving module are further assembled into a magnetic oxygen-generating soft robot, and the purpose of stably and flexibly supplying oxygen to a water environment is achieved.
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