H01G9/048

Electrolytic capacitor and method for manufacturing same

An electrolytic capacitor includes an anode body including a dielectric layer, a cathode body, and a conductive polymer layer and a liquid component that are disposed between the anode body and the cathode body. The cathode body includes a base material part having an outer surface that is roughened surface and has a pore opened at the outer surface, and an inorganic conductive layer covering at least a part of the outer surface. The base material part includes a first coating layer disposed along at least a part of inner wall of the pore. The first coating layer contains phosphorus.

PROCESS FOR PRODUCING POLYMER CAPACITORS FOR HIGH RELIABILITY APPLICATIONS
20230147032 · 2023-05-11 ·

The present invention relates to a method for manufacturing a capacitor, comprising the method steps: a) provision of a porous electrode body made of an electrode material, wherein a dielectric at least partially covers a surface of this electrode material; b) introduction of a liquid composition which comprises an electrically conductive polymer, at least one high-boiling solvent; c) filling at least a part of the pores of the porous electrode body obtained in process step b) with an impregnation solution comprising at least one impregnation solvent, wherein the at least one impregnation solvent comprises at least one hydroxy group and has a molecular weight in the range from 70 to 180 g/mol; d) encapsulation of the porous electrode body obtained in process step c). The invention also relates to capacitor manufactured with this method, the use of an electrolytic capacitor and electronic circuits.

PROCESS FOR PRODUCING POLYMER CAPACITORS FOR HIGH RELIABILITY APPLICATIONS
20230147032 · 2023-05-11 ·

The present invention relates to a method for manufacturing a capacitor, comprising the method steps: a) provision of a porous electrode body made of an electrode material, wherein a dielectric at least partially covers a surface of this electrode material; b) introduction of a liquid composition which comprises an electrically conductive polymer, at least one high-boiling solvent; c) filling at least a part of the pores of the porous electrode body obtained in process step b) with an impregnation solution comprising at least one impregnation solvent, wherein the at least one impregnation solvent comprises at least one hydroxy group and has a molecular weight in the range from 70 to 180 g/mol; d) encapsulation of the porous electrode body obtained in process step c). The invention also relates to capacitor manufactured with this method, the use of an electrolytic capacitor and electronic circuits.

Capacitor and method for producing a capacitor

A capacitor and a method for producing a capacitor are disclosed. In an embodiment, the capacitor includes a winding having a cathode foil, an anode foil and separators arranged therebetween, an overlap-free region, wherein the cathode foil does not overlap with the anode foil in the overlap-free region, wherein the overlap-free region adjoins an overlapping region, and wherein the cathode foil overlaps with the anode foil in a lateral direction in the overlapping region, and a cathode contact arranged in the overlap-free region, the cathode contact contacting the cathode foil.

Capacitor and method for producing a capacitor

A capacitor and a method for producing a capacitor are disclosed. In an embodiment, the capacitor includes a winding having a cathode foil, an anode foil and separators arranged therebetween, an overlap-free region, wherein the cathode foil does not overlap with the anode foil in the overlap-free region, wherein the overlap-free region adjoins an overlapping region, and wherein the cathode foil overlaps with the anode foil in a lateral direction in the overlapping region, and a cathode contact arranged in the overlap-free region, the cathode contact contacting the cathode foil.

HERMETICALLY SEALED HIGH ENERGY ELECTROLYTIC CAPACITOR AND CAPACITOR ASSEMBLIES WITH IMPROVED SHOCK AND VIBRATION PERFORMANCE

A capacitor and capacitor assemblies are provided, configured to prevent damage from shock and/or vibration. A capacitor assembly according to the invention comprises an anode plate having an anode plate wire extending from a surface of the anode plate. An anode wire holder is positioned around at least a portion of the anode plate wire. A wire separator comprising a channel is provided, at least a portion of the anode plate wire received within the channel. Methods of forming capacitors and capacitor assemblies are also provided.

HERMETICALLY SEALED HIGH ENERGY ELECTROLYTIC CAPACITOR AND CAPACITOR ASSEMBLIES WITH IMPROVED SHOCK AND VIBRATION PERFORMANCE

A capacitor and capacitor assemblies are provided, configured to prevent damage from shock and/or vibration. A capacitor assembly according to the invention comprises an anode plate having an anode plate wire extending from a surface of the anode plate. An anode wire holder is positioned around at least a portion of the anode plate wire. A wire separator comprising a channel is provided, at least a portion of the anode plate wire received within the channel. Methods of forming capacitors and capacitor assemblies are also provided.

ELECTRICAL STORAGE DEVICE

Provided is an electrical storage device that is compact and can be manufactured easily, while allowing for use of higher voltages. In an electrical storage device, a winding structure comprises: a central electrode body in which a first extending part and a second extending part extending from either side of a central portion are wound around the central portion in the same direction; a first electrode body electrically connected to a first external terminal and extending toward an outer peripheral side from a vicinity of the central portion; a second electrode body electrically connected to a second external terminal and extending toward the outer peripheral side from a vicinity of the central portion; a first separator disposed between the central electrode body and the first electrode body; and a second separator disposed between the central electrode body and the second electrode body.

ELECTRO-POLARIZABLE COMPLEX COMPOUND AND CAPACITOR
20170372842 · 2017-12-28 ·

The present disclosure provides an electro-polarizable complex compound having the following general formula:


[M.sup.4+(L).sub.m].sup.xK.sub.n,  (I)

where complexing agent M is a four-valence metal; ligand L comprises one or more heteroatomic fragments comprising one or more neutral or anionic metal-coordinating heteroatoms and one or more electrically resistive fragments, m represents the number of ligands; x represents the oxidative state of the metal-ligand complex; K is a counter-ion or zwitterionic polymers which provides an electro-neutrality of the complex compound, n represents the number of counter-ions. The metal-coordinating heteroatoms form a first coordination sphere, and the number of heteroatoms in this first coordination sphere does not exceed 12.

ELECTRO-POLARIZABLE COMPLEX COMPOUND AND CAPACITOR
20170372842 · 2017-12-28 ·

The present disclosure provides an electro-polarizable complex compound having the following general formula:


[M.sup.4+(L).sub.m].sup.xK.sub.n,  (I)

where complexing agent M is a four-valence metal; ligand L comprises one or more heteroatomic fragments comprising one or more neutral or anionic metal-coordinating heteroatoms and one or more electrically resistive fragments, m represents the number of ligands; x represents the oxidative state of the metal-ligand complex; K is a counter-ion or zwitterionic polymers which provides an electro-neutrality of the complex compound, n represents the number of counter-ions. The metal-coordinating heteroatoms form a first coordination sphere, and the number of heteroatoms in this first coordination sphere does not exceed 12.