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Ultrafast formation of ANFs with kinetic advantage and new insight into the mechanism

Nanoscale advances, 2022-03, Vol.4 (6), p.1565-1576 [Peer Reviewed Journal]

This journal is © The Royal Society of Chemistry 2022 RSC ;ISSN: 2516-0230 ;EISSN: 2516-0230 ;DOI: 10.1039/d1na00897h

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  • Title:
    Ultrafast formation of ANFs with kinetic advantage and new insight into the mechanism
  • Author: Huang, Lianqing ; Zhang, Meiyun ; Nie, Jingyi ; Yang, Bin ; Tan, Jiaojun ; Song, Shunxi
  • Subjects: Chemistry
  • Is Part Of: Nanoscale advances, 2022-03, Vol.4 (6), p.1565-1576
  • Description: Aramid nanofibers (ANFs) have important applications in many fields, including electrical insulation and battery separators. However, a few limitations seriously restrict the application of ANFs currently, such as low preparation efficiency and the unclear preparation mechanism. To overcome these limitations, the present work proposes a new view-point from the perspective of reaction kinetics. The preparation efficiency was proven to essentially rely on the effective c (OH − ). With a simple pre-treatment, a kinetic advantage was created and the preparation time of ANFs was reduced from multiple hours to 10 minutes, which was a considerable step towards practical applications. Moreover, the resultant ANF membranes still exhibited excellent properties in terms of mechanical strength (tensile strength > 160 MPa), thermal stability, light transmittance, and electrical insulation (above 90 kV mm −1 ). This work not only presents an ultrafast method to produce ANFs but also provides new insights into the mechanism that will benefit the subsequent development of ANF-based materials. Ultrafast formation of ANFs with kinetic advantage.
  • Publisher: RSC
  • Language: English
  • Identifier: ISSN: 2516-0230
    EISSN: 2516-0230
    DOI: 10.1039/d1na00897h
  • Source: PubMed Central
    DOAJ Directory of Open Access Journals
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