Asymmetric supercapacitors (ASCs) can substantially broaden their working voltage range,
benefiting from the advantages of both cathode and anode while breaking through the …

The urgent need for efficient energy storage devices has stimulated a great deal of research
on electrochemical double layer capacitors (EDLCs). This review aims at summarizing the …

Aqueous supercapacitors have the superiorities of high safety, environmental friendliness,
inexpensive, etc. High energy density supercapacitors are not conducive to manufacturing …

Notably, many significant breakthroughs for a new generation of supercapacitors have been
reported in recent years, related to theoretical understanding, material synthesis and device …

A simple one step activation method is used to achieve an ultra-high specific surface area of
2943 m 2 g− 1, and abundant pore volume of 1.83 cm 3 g− 1 with a rational …

With the booming development of flexible and wearable electronics, their safety issues and
operation stabilities have attracted worldwide attentions. Compared with traditional liquid …

A novel hierarchical nanotube array (NTA) with a massive layered top and discretely
separated nanotubes in a core–shell structure, that is, nickel–cobalt metallic core and nickel …

Electrochemical capacitors (ECs), including electrical‐double‐layer capacitors and
pseudocapacitors, feature high power densities but low energy densities. To improve the …

Electrochemical double-layer capacitors exhibit high power and long cycle life but have low
specific energy compared with batteries, limiting applications. Redox-enhanced capacitors …

The global supercapacitor market has been growing rapidly during the past decade. Today,
virtually all commercial devices use activated carbon. In this work, it is shown that laser …