Electrochemical energy storage (EES) devices with high‐power density such as capacitors,
supercapacitors, and hybrid ion capacitors arouse intensive research passion. Recently …

This review study comprehensively analyses supercapacitors, their constituent materials,
technological advancements, challenges, and extensive applications in renewable energy …

Relaxor ferroelectrics are the primary candidates for high-performance energy storage
dielectric capacitors. A common approach to tuning the relaxor properties is to regulate the …

For capacitive energy storage at elevated temperatures,,–, dielectric polymers are required
to integrate low electrical conduction with high thermal conductivity. The coexistence of …

Electrostatic dielectric capacitors are essential components in advanced electronic and
electrical power systems due to their ultrafast charging/discharging speed and high power …

Next-generation advanced high/pulsed power capacitors rely heavily on dielectric ceramics
with high energy storage performance. However, thus far, the huge challenge of realizing …

Dielectric capacitors with high power densities are crucial for pulsed electronic devices and
clean energy technologies. However, their breakdown strengths (Eb) strongly limit their …

High‐temperature dielectric polymers are in constant demand for the multitude of high‐
power electronic devices employed in hybrid vehicles, grid‐connected photovoltaic and …

A pivotal obstacle of obtaining dielectric ceramics with large recoverable energy density
(Wrec) and ultrahigh energy efficiency (η) desperately needs to be overcome for the …

Supercritical relaxor nanograined ferroelectrics are demonstrated for high‐performance
dielectric capacitors, showing record‐high overall properties of energy density≈ 13.1 J cm …