Calcium metal batteries, as one of the promising alternatives beyond Li‐metal technology, is
held back by the lack of suitable cathodes of considerable energy storage capability, and Ca …

Hard carbons (HCs) possess high lithium/sodium storage capacities, which however suffer
from low electric conductivity and poor ion diffusion kinetics. An efficient structure design …

Ca‐metal batteries, one of the promising advanced energy storage devices, have received
significant development in the last few years. However, challenges still exist in efficient and …

Corn husk, a renewable biomass, has been successfully explored as a low-cost crude
carbon source to prepare advanced higher-value 3D HPCs by means of KOH pre-treatment …

Heteroatom-doped graphene is considered a potential electrode materials for lithium-ion
batteries (LIBs). However, potassium-ion batteries (PIBs) systems are possible alternatives …

The electrochemical behaviors of current graphitic carbons are seriously restricted by its low
surface area and insufficient interlayer spacing for sodium‐ion batteries. Here, sulfur‐doped …

Currently, the application of calcium metal anodes is challenged by rapidly degenerated
plating/stripping electrochemistry without suitable solid electrolyte interphases (SEIs) …

Lithium-ion capacitors are envisaged as promising energy-storage devices to
simultaneously achieve a large energy density and high-power output at quick charge and …

A simple, cost-effective and efficient approach is highly in demand for high yield preparation
of hierarchical porous carbons. Here, we report a new method of in situ generated MgO or …

Lithium–sulfur (Li–S) batteries hold potential for use as next-generation rechargeable
devices due to their high theoretical energy density (2600 W h kg–1) as well as the high …