AlN-based aerogel thermo-cooler enabled by enhanced phonon conduction and unconstrained liquid capillarity.

Shengnan Meng, Hongxing Wang, Qian Zhao, Xiaozhou Lü, Jianyong Yu, Yang Si

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Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Shengnan MengState Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai, China.

Hongxing WangState Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai, China.

Qian ZhaoState Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai, China.

Xiaozhou LüSchool of Aerospace Science and Technology, Xidian University, Xi'an, China.ORCID http://orcid.org/0000-0003-3545-3280

Jianyong YuState Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai, China.ORCID http://orcid.org/0000-0002-9350-7817

Yang SiState Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai, China. yangsi@dhu.edu.cn.ORCID http://orcid.org/0000-0001-7209-6206

Funding

National Natural Science Foundation of China (National Science Foundation of China) 52373281National Natural Science Foundation of China (National Science Foundation of China) 92271201National Natural Science Foundation of China (National Science Foundation of China) 92371110

6 · The paper itself

Abstract

Transpiration cooling is a thermal management technique that utilizes the phase change of liquid coolant to effectively dissipate heat. Porous ceramic media play a crucial role in this cooling process by facilitating liquid transport and heat exchange; however, their intermittent capillary action and inter-grain phonon scattering significantly hinder rapid cooling. Here, we propose a strategy to create AlN-based nanofiber aerogel as a transpiration thermo-cooler, featuring vertically aligned channels and monocrystalline nanofibers by combining nanoengineering and multiscale structural assembly techniques. Benefiting from the unconstrained capillarity of aerogel channels, our thermo-coolers exhibit a fast liquid transport rate of up to 8.33 ± 0.026 mm s

Identifiers

PMID41381417

DOI10.1038/s41467-025-65983-7

PMCPMC12698693

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LicenceCC BY-NC-ND

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.