机制(生物学)
动能
超短脉冲
化学
材料科学
生物物理学
化学物理
物理
光学
生物
经典力学
激光器
量子力学
作者
Lianqing Huang,Meiyun Zhang,Jingyi Nie,Bin Yang,Jiaojun Tan,Shunxi Song
出处
期刊:Nanoscale advances
[The Royal Society of Chemistry]
日期:2022-01-01
卷期号:4 (6): 1565-1576
被引量:6
摘要
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.
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