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Room-temperature sodium-sulfur (RT Na-S) batteries are seriously limited because of poor conductivity of sulfur and sluggish reaction kinetics of polysulfide intermediates. Here, we design a free-standing film, constructed from Co nanoparticles onto nitrogen-doped porous carbon nanofibers (Co@NPCNFs), to load sulfur for RT Na-S batteries. Experiment result shows that Co as catalyst can enable the rapid sodium intercalation and fast reduction reaction of the polysulfides during cycling. Hence, the prepared Co@NPCNFs/S cathode exhibits a remarkable capacity of 906 mAh g at 0.1 C and long cycling life up to 800 cycles with a slow capacity decay of 0.038% per cycle at 1 C.
This article was published in the following journal.
Name: Journal of colloid and interface science
Despite transition metal phosphide (TMP)-based hybrid structures demonstrating desirable results for potassium ion battery applications, most of their preparation methods require complex multi-step pr...
This work aims to develop and characterize a new design of free-standing interconnected carbon nanofibers electrodes for supercapacitors application. The fibers are obtained via carbonization of three...
CoMoO nanoparticles have been successfully in-situ formed and simultaneously embedded within the porous carbon nanofibers (CoMoO/CNFs) via a facile electrospinning-annealing strategy. The porous CoMoO...
Antibacterial composite nanofibers have recently been widely applied in biomedical fields. The purpose of this study is to combine Polyamide66 (PA) with carbon nanotubes (CNTs) and Ag nanoparticles th...
Herein, we outline the fabrication of highly porous three-dimensional carbon-fiber network anchored with uniform metallic cobalt (Co) via electrospinning and subsequent post-modification approaches. F...
The project aims to evaluate the safety, effectiveness, accuracy and economy efficiency of the application of carbon nanoparticles for tumor localization and lymph nodes mapping in the lap...
Papillary thyroid cancer (PTC) is the most common subtype of thyroid cancer. The most common site of PTC nodal metastases is the central neck, which has a reported rate of lymph node meta...
The treatment for immature teeth with pulp necrosis can be carried out through apexification or regenerative endodontics procedures including platelet rich plasma (PRP), platelet rich fibr...
Silver nanoparticles are one of most nanoparticles use nowadays in the research area because it has specific physical and chemical properties, in medical fields silver nanoparticles can in...
Nanoparticles (NPs) are minute pieces of material to which we are exposed every day in the air we breathe. Some are naturally occurring and have no impact on health, whereas others are pro...
Stable cobalt atoms that have the same atomic number as the element cobalt, but differ in atomic weight. Co-59 is a stable cobalt isotope.
Unstable isotopes of cobalt that decay or disintegrate emitting radiation. Co atoms with atomic weights of 54-64, except 59, are radioactive cobalt isotopes.
Nanometer-sized particles that are nanoscale in three dimensions. They include nanocrystaline materials; NANOCAPSULES; METAL NANOPARTICLES; DENDRIMERS, and QUANTUM DOTS. The uses of nanoparticles include DRUG DELIVERY SYSTEMS and cancer targeting and imaging.
Nanoparticles produced from metals whose uses include biosensors, optics, and catalysts. In biomedical applications the particles frequently involve the noble metals, especially gold and silver.
A layer of protein coating adsorbed by NANOPARTICLES upon entry into PLASMA or other protein-containing biological fluids, which affects how nanoparticles are internalized by cells and cleared from the body.
Within medicine, nutrition (the study of food and the effect of its components on the body) has many different roles. Appropriate nutrition can help prevent certain diseases, or treat others. In critically ill patients, artificial feeding by tubes need t...