8 results about "Polymer capacitor" patented technology

The utility model discloses a laminated electrode packaging structure of a tantalum polymer capacitor, which relates to the technical field of capacitor packaging and comprises an inner electrode, an outer electrode and an outer electrode, the end electrodes are arranged at the two ends of the inner electrode, each end electrode comprises tantalum metal layers arranged on the two sides of the inner electrode and used for improving the conductivity of the end electrode, the inner electrode comprises chips which are horizontally stacked in a staggered mode, a second ceramic dielectric layer is arranged outside each chip, and the tantalum metal layers are arranged on the tantalum metal layers. According to the utility model, the chip is arranged in the second ceramic dielectric layer in an inclined manner at 5 degrees, so that the electric field distribution is further optimized, the response capability of the capacitor to the change of the electric field is improved, the effective working length of the inner electrode is increased, the area of the inner electrode is increased in a phase-changing manner, and the capacitance is improved.

This invention describes a packaging structure for roll-type (wound-type) aluminum conductive polymer capacitor element. Two protective substrates are applied to sandwich a roll-type capacitor element in between with an insulating material surrounding the capacitor element also in between the protective substrates. The protective substrates comprise electrically separated anodic conductive pad and cathodic conductive pad on their surfaces. The capacitor element is oriented with its axis perpendicular to the two substrates. The anodic and cathodic leads of the capacitor element pass through the through holes. An anodic external terminal is plated over the anodic conductive pad and a cathodic external terminal is plated over the cathodic conductive pad so that the anodic external terminal is electrically connected to the anodic lead and the cathodic external terminal is electrically connected to the cathodic lead. In another arrangement, the anodic and cathodic leads are bent by about 90 degree so that they point to the two sides of the packaging. External terminals are placed on the two sides of the packaging on the surfaces of the insulating material. In still another arrangement, the packaging structure uses only one protective substrate.

A substrate-type multi-layer polymer capacitor (MLPC), including a casing, a core, and two electroplated terminals. The core is arranged in an inner cavity of the casing. The casing is formed by joining two first packaging plates and two second packaging plates. The two electroplated terminals are formed by electroplating. One of the two electroplated terminals is configured to cover one end of the casing to form an anode, and the other of the two electroplated terminals is configured to cover the other end of the casing to form a cathode electrically led out from the core. The first packaging plate includes a substrate, an electrode plate and two metal plates. The electroplated terminals are integrally sealed with the casing.

To provide a hybrid capacitor with improved electrical quality and reproductivity, and to provide a method of manufacturing the same.SOLUTION: A capacitor comprises a working element. The working element comprises an anode including a first dielectric body on the anode, a cathode, and a conductive separator provided between the first dielectric body and cathode. The conductive separator comprises a separator and a first conductive polymer. The first conductive polymer at least partially encapsulates the separator. A second conductive polymer at least partially encapsulates the first conductive polymer. The first conductive polymer has a higher conductivity than the second conductive polymer. An anode lead is in electrical contact with the anode, and a cathode lead is in electrical contact with the cathode.SELECTED DRAWING: Figure 1

The invention provides a polymer capacitor which is a solid electrolytic capacitor, and polydopamine is arranged between a dielectric layer on a valve metal surface of the capacitor and a polymer conductive polymer layer. Polydopamine is introduced between the dielectric layer and the high-molecular conductive polymer layer, the polydopamine is formed by self-polymerization of dopamine, the surface of the polydopamine contains groups such as phenolic hydroxyl groups and amino groups, the polydopamine and-OH on the surface of the dielectric layer of the metal oxide film can form hydrogen bonds, and meanwhile, the polydopamine and a continuous conjugated pi electron system ring of conductive high-molecular can form pi-pi accumulation; therefore, the bonding capacity between the metal oxide film dielectric layer and the high-molecular conductive polymer in the high-molecular solid electrolytic capacitor is improved, and the problem that the bonding capacity between the metal oxide film dielectric layer and the high-molecular conductive polymer in the high-molecular solid electrolytic capacitor is weak is solved. The invention also provides a preparation method of the polymer capacitor.

An improved capacitor is provided. The capacitor includes a working element, where the working element includes an anode including a first dielectric on the anode, a cathode, and a conductive membrane between the first dielectric and the cathode. The conductive membrane includes a membrane and a first conductive polymer, wherein the first conductive polymer at least partially encapsulates the membrane. The second conductive polymer at least partially encapsulates the first conductive polymer and wherein the first conductive polymer has a higher conductivity than the second conductive polymer. The anode lead is in electrical contact with the anode, and the cathode lead is in electrical contact with the cathode.

The present invention relates to a polymer capacitor comprising an anode, a dielectric layer, and a cathode, wherein the cathode comprises a solution-processed n-type conducting polymer having a conductivity of at least 100 S / cm, preferably at least 500 S / cm.