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

For capacitive energy-storage ceramics, the potential of impedance spectroscopy (IS) is
difficult to exploit fully because of the relaxation-time complex distributions caused by …

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 …

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 …

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

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 …

High-performance dielectric ceramic capacitors are considered as one of the great hopeful
apparatuses to solve the energy crisis and environmental pollution. However, the low …