A dielectric material is provided. The dielectric material includes at least one layer of a substantially continuous phase material. The material is selected from the group consisting of an organic, organometallic, or combination thereof in which the substantially continuous phase material has delocalized electrons.

A film capacitor that includes a resin layer which has a first surface and a second surface and in which there are particles on at least one of the first surface and the second surface; and a metal layer on the first surface of the resin layer, wherein there are more particles in number on the at least one of the first surface and the second surface of the resin layer than inside the resin layer.

A double-sided copper-clad laminate that includes an adhesive layer and a copper foil in order on each of both surfaces of a resin film, the resin film is in a cured state at 25° C., and each of the copper foils has a maximum peak height Sp of 0.05 μm or more and 3.3 μm or less as measured in accordance with ISO 25178 on a surface on a side being in contact with the adhesive layer.

A material for 3D printing is described. The material comprises a polymeric composition comprising a thermoplastic polymer; and from 50 to 99 wt. % ceramic particles comprising a metal, wherein at least 50% by weight of the particles have a diameter in a range from 10 to 100 μm; wherein the material has a dielectric strength of at least 5 kV/mm and/or a dielectric constant of at least 5.

A thin film capacitor having a multilayer structure including a first electrode, a first dielectric layer, a second dielectric layer, and a second electrode in this order. The second dielectric layer and the second electrode are in contact. The first dielectric layer includes a perovskite type compound. The second dielectric layer includes a perovskite type compound or an oxide of M. When X1 and X2a represents an absolute value of an average energy for formation of an oxide of a cationic element included in a B site of the perovskite type compound included in the first dielectric layer and the second dielectric layer respectively, and X2b represents an absolute value of an average energy for formation of an oxide of M included in the second dielectric layer, then X2a<X1 and X2a≤1000 kJ/mol are satisfied or X2b<X1 and X2b≤1000 kJ/mol are satisfied.

There is provided a double-sided copper-clad laminate for forming a capacitor that can exhibit excellent properties in voltage endurance and peel strength, while ensuring high capacitor capacity, when used as a capacitor. This double-sided copper-clad laminate includes an adhesive layer and a copper foil in order on each of both surfaces of a resin film, the resin film is in a cured state at 25° C., and each of the copper foils has a maximum peak height Sp of 0.05 μm or more and 3.3 μm or less as measured in accordance with ISO 25178 on a surface on a side being in contact with the adhesive layer.

Disclosed are a high-temperature capacitive energy storage film having a structure in which graphene fluoride (GF) is sandwiched between aramid nanofibers (ANFs) and a method of manufacturing the same.

A power capacitor includes a body that defines an interior space; and at least one capacitive device in the interior space. The capacitive device includes a first electrode; and a second electrode separated from the second electrode. The power capacitor also includes a dielectric nanofluid in the interior space and between the first electrode and the second electrode, the dielectric nanofluid including: a base dielectric fluid; and nanoparticles dispersed in the base dielectric fluid.

A capacitor can include a dielectric layer including a polymer matrix and ceramic particles dispersed with the polymer matrix. The polymer matrix can include epoxy. The ceramic powders can include composition modified barium titanate ceramic powders. In an embodiment, the capacitor can include a plurality of layers. In another embodiment, the dielectric layer can have a thickness of 0.1 microns to 100 microns.

There are provided a dielectric film which is excellent in heat resistance and is capable of improvement in breakdown field, a film capacitor and a combination type capacitor using the dielectric film, an inverter, and an electric vehicle. A film capacitor having excellent heat resistance and high breakdown field is obtained by producing a film capacitor that uses a dielectric film comprising an organic resin and a plurality of fine particles containing a metal element, an average of diameters of the fine particles falling in a range of 0.5 nm to 50 nm. Such a film capacitor and a combination type capacitor connected thereto via a bus bar are preferably used in an inverter and an electric vehicle.