Hollow carbon nanocages (HCNCs) consisting of sp2 carbon shells featured by a hollow
interior cavity with defective microchannels (or customized mesopores) across the carbon …

With the merits of low cost, abundant resources, environment friendliness, and high energy
density, the Li-S battery is recognized as a promising alternative to the Li ion battery and is …

The cathode materials for sodium‐sulfur batteries have attracted great attention since
cathode is one of the important components of the sodium‐sulfur battery, and there are …

Single-site catalysts feature high catalytic activity but their facile construction and durable
utilization are highly challenging. Herein, we report a simple impregnation-adsorption …

Lithium–sulfur batteries (Li–S) have attracted considerable attention because of their high
theoretical energy density (2600 W h kg− 1). However, practical commercial applications of …

The practical implementation of lithium–sulfur batteries is obstructed by poor conductivity,
sluggish redox kinetics, the shuttle effect, large volume variation, and low areal loading of …

High utilization and loading of sulfur in cathodes holds the key in the realization of Li–S
batteries. We here synthesized a Co4N mesoporous sphere, which was made up of …

DOI: 10.1002/adma. 201604569 maintained or even enhanced with increasing wettability,
there will be a big space for further improvement of supercapacitive performance. As known …

The synergism of large surface area, multiscale porous structure, and good conductivity
endows hierarchical carbon nanocages with high-level supercapacitive performances …

While the field of carbon-based metal-free electrocatalysts for oxygen reduction reaction
(ORR) has experienced great progress in recent years, the fundamental issue of the origin of …