Dynamic Leakage-Free Liquid Metals

Yongyu Lu; Dehai Yu; Haoxuan DongSen ChenHe ZhouLichen WangZhongshan DengZhizhu HeJing Liu

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Dynamic Leakage-Free Liquid Metals

机译：Dynamic Leakage-Free Liquid Metals

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Leakage is a significant issue that prevents the widespread application ofliquid metals (LMs) and an effective solution has not yet been developed. Onepotential solution is to use the high surface tension of LMs to encapsulatethem in a porous material. However, it is challenging as it is difficult to infuseLMs into tiny pores. This study proposes a bottom-up strategy where LMs aredoped with NdFeB@Ag particles, which are then magnetized to form a tightporous structure. This structure is robust and resistant to collapse undermechanical deformation. Therefore, LMs can be reliably immobilized withinthe pores between the particles, and a dynamic leakage-free state is achieved.The encapsulated LMs demonstrate excellent properties including a largelatent heat of 153.46 J cm~(?3), high thermal conductivity of 35.62 W m~(?1) K~(?1),and enhanced electrical conductivity of 69.61%, which efficiently extends theirfunctional scope and potential value.

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来源
《Advanced functional materials》 |2023年第11期|2210961.1-2210961.12|共12页
作者
Yongyu Lu; Dehai Yu; Haoxuan DongSen ChenHe ZhouLichen WangZhongshan DengZhizhu HeJing Liu;
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作者单位

Key Laboratory of Cryogenics and Beijing Key Laboratory ofCyro-Biomedical EngineeringTechnical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190, China School of Engineering ScienceUniversity of Chinese Academy of SciencesBeijing;

Department of Vehicle EngineeringCollege of EngineeringChina Agricultural UniversityBeijing 100083, China;

Department of Biomedical EngineeringSchool of MedicineTsinghua UniversityBeijing 100084, ChinaSchool of Materials Science and EngineeringUniversity of Science and Technology BeijingBeijing 100083, ChinaSchool of Engineering ScienceUniversity of Chinese Academy of SciencesBeijing 100049, ChinaKey Laboratory of Cryogenics and Beijing Key Laboratory ofCyro-Biomedical EngineeringTechnical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190, China Department of Biomedical EngineeringSchool of MedicineTsinghua UniversityBeij;

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正文语种英语
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dynamically immobilized materials; leakage free; liquid metals; permanent magnetic particles; robust volumetric porous structures;

Dynamic Leakage-Free Liquid Metals

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