2023年9月25日 · Batteries with a NiCoSe 4 @CNFs interlayer can deliver excellent performance with a stable cycle performance after 500 cycles (residual capacity of 74 %) at 2 C and a high discharge specific capacity of 1019.5 mAh g −1 at 0.5 C. Achieving robust polysulfide adsorption and electrocatalytic activity in NiCoSe 4 /carbon nanofibers interlayer opens ...

2021年5月12日 · In this paper, we propose a finger-jointing model to describe the possible ultrastructures of cellulose microfibrils based on new observations obtained through heating of...

2016年2月10日 · TEM, SEM, FT-IR, XRD, TGA confirmed presence of CNFs with enhanced thermal properties. CNFs from this underutilized agro-waste have potential application in commercial field. In the present study, culinary banana peel was explored as a source of raw material for production of cellulose nanofibers (CNFs).

CNCs and CNFs show substantially different shapes and sizes in TEM micrographs (Figure 1). CNCs present a simple needle-like structure with an average length (L) of 151 ± 39 nm, a width (w) of...

2024年10月26日 · MOFs derivatives grow uniformly inside and on the surface of fibers, forming a graded core-shell structure and the cross-linked overlap of the fibers forms a 3D network structure. The TEM images further illustrate the hierarchical structure of Fe@CNFs@Co/C fibers.

2023年10月1日 · Herein, we report a sustainable method to prepare high-quality lignin-containing cellulose nanofibrils (LCNFs) from bamboo chips, using a one-step maleic anhydride esterification treatment without any toxic organic solvent or catalyst.

2 天之前 · JFs were milled and then homogenized for different passes (0 − 20), to produce CNFs with different diameter distributions. Figure 6a shows TEM images of the CNFs obtained after varying passes. CNF0 was the starting material obtained by ball milling process, and cellulose fibrils with diameters of a few hundred nanometers were present in the ...

通过x射线衍射（xrd），场发射扫描电子显微镜（fe-sem）和透射电子显微镜（tem）对催化剂进行了表征。 纳米纤维没有交联并按顺序排列。 Pd NPs / CNFs的表面光滑，可以观察到大量颗粒被负载并充分分散在碳纤维基质中，并且颗粒分布均匀。

(a) TEM of the CNFs, (b) high-resolution TEM of the CNFs, and (c) electron diffraction pattern of the CNFs. from publication: Chemical vapor-deposited carbon nanofibers on carbon fabric...

2020年5月29日 · 近日，华南理工大学张磊教授（通讯作者）结合新的纳米结构设计和原位透射电子显微镜（TEM）观察，证明了由层状核壳结构单元组成的Sb基纳米纤维能够大大改进钾离子电池（PIBs）负极性能。特别是，提出了一种金属-有机骨架(MOFs)-静电纺丝策略，该策略耦合 ...

2022年12月28日 · Yield, degree of substitution, zeta potential, diameter, and anti-bacterial effect of CNFs were investigated by titration, microscopic electrophoresis device, transmission electron microscope (TEM), and succussion, respectively.

2022年12月28日 · Yield, degree of substitution, zeta potential, diameter, and anti-bacterial effect of CNFs were investigated by titration, microscopic electrophoresis device, transmission electron microscope (TEM), and succussion, respectively.

2019年9月26日 · The glass transition temperature ($$ T_{g} $$) also increased substantially up to 5 °C for m-CNFs, while um-CNFs showed decrease in $$ T_{g} $$. This work investigates the effects of surface modified cellulose nanofibrils (CNFs) on the mechanical, thermal, and morphological properties of epoxy nanoc

The physico-chemical properties of CNFs were characterized by transmission electron microscopy (TEM) and thermogravimetric analysis (TGA). The results provide theoretical support for the preparation and application of CNFs.

2020年4月17日 · Carbon nanofibers (CNFs) are fibrous nanostructures of sp2 -hybridized carbon having partial structural similarity with carbon nanotubes (CNTs) . This chapter reviews the structure, synthesis techniques, properties and applications of CNFs.

2018年8月10日 · In this work, TiC–carbon nanofibers (CNFs) film (TCNFs) is synthesized by a one-step synthesis technique, which could maintain its structural integrity with robust adhesion, and could be produce in large quantity. Uniform TiC nanoparticles (NPs) are firmly embedded into the CNFs matrix.

Electrospun carbon nanofibers (CNFs), with one-dimensional (1D) morphology, tunable size, mechanical flexibility, functionalities by themselves and those that can be added...

In a real composite, microscopy images, including transmission electron microscopy (TEM), scanning electron microscopy (SEM) and optical microscope (OM), are all able to be used to determine the fractal dimension of the fillers directly [50,51].

Characterization of CNFs. Transmission electron microscopy (TEM) was used to determine the morphology of CNFs. For TEM sample preparation, a 0.05 wt% CNF suspension was drop casted on formvar/carbon-coated 400-mesh copper grids and negatively stained with 1% (w/v) uranyl acetate in water for 60 s.

2024年11月1日 · Nanohybrids are potential electrode materials for advanced supercapacitors. This study reported one-pot hydrothermal synthesis of 3D garland BiOI, spherical ZnO, and carbon nanofibers (CNFs) onto Ni foam substrate with improved supercapacitor performance and enhanced electrochemical properties.