DataVXACS Applied Nano MaterialsPaper
journal article·2024-05-10

Aramid Nanofiber and Boron Nitride Nanosheet Composite Films for Mechanical and Dielectric Insulation Application

Nan Li, Zhaoqing Lu, Xingxiang Ji, Doudou Ning, Ning Yan, Songfeng E

ACS Applied Nano Materials· Volume 7· Issue 9
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Source abstract

Abstract

In this work, we obviously enhanced the mechanical and dielectric insulation properties of the aramid nanofiber (ANF) film only by mixing a small amount of two-dimensional boron nitride nanosheets (BNNSs) (0.09 wt %), which were in situ introduced as the assistor of aramid splitting. The composite nanofilm exhibited a tensile stress of 282 MPa and a dielectric breakdown strength of 100.7 kV·mm –1, which increased by 55.8 and 149.3%, respectively. These improvements may be attributed to the introduction of BNNSs, which made the films denser and more horizontally ordered, as well as the enhanced interfacial interactions between individual ANFs. Meanwhile, the ANF/BNNS film also shows high thermal stability, self-extinguishing properties, and excellent chemical stability simultaneously. This work provides a strategy to enhance the mechanical and dielectric insulation properties of ANF-based nanocomposites.
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Research context

NanomaterialsComposites

OpenAlex topics: High voltage insulation and dielectric phenomena · Dielectric materials and actuators · Advanced Sensor and Energy Harvesting Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi’an 710021, China

Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China

State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, No. 381, Wushan Road, Tianhe District, Guangzhou 510640, China

Funding

State Key Laboratory of Pulp and Paper Engineering · Natural Science Basic Research Program of Shaanxi Province · National Natural Science Foundation of China · Longyou County Science and Technology Bureau · Shaanxi Province technology innovation guidance special fund

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