If you build electronic circuits on a regular basis the chances are you will have used capacitors many times. They are a standard component along with the resistor whose values are lifted off the ...

Engineers designing power electronics find that capacitors are needed for several functions, from energy storage to filters and decoupling. Different capacitor types are available, that at first sight ...

As we have seen in part I and part II of this series [1], there are no inherent wear-out mechanisms in ceramic capacitors. And yes, as covered in part II, the high dielectric Class 2 capacitors (X7R) ...

First, let's define a capacitor: It is an electromechanical device capable of storing electrical energy (electrons). It differs from a battery, as a battery produces electrical energy as a by-product ...

Few passive components exist in the sheer variety of forms that the capacitor has taken. Simple in principle, the design of the capacitor involves a number of tradeoffs that make it impossible to ...

Scientists have developed a novel process to identify a record-breaking material for film capacitors, which are needed for safe, reliable electric vehicles and are used in many energy technologies.

Electrochemical capacitors, also called supercapacitors, store energy using either ion adsorption (electrochemical double layer capacitors) or fast surface redox reactions (pseudo-capacitors). They ...

Researchers have proposed combining two additives instead of one to facilitate the incorporation of lithium within capacitors, in order to promote the low-cost, simple, and efficient development of ...

Reliable high-capacity energy storage is one of the major challenges we face in developing new electrical technology. From long-range electric cars to backups for variable-output alternative energy ...

Yi Liu (left) and Zongliang Xie fabricate film capacitors from polymers and then evaluate both the polymers and capacitors at the Molecular Foundry. The Department of Energy’s Lawrence Berkeley ...