An electricity storage module includes: an electricity storage element group formed by aligning multiple electricity storage elements; detection wires that have end portions on one side connected to the electricity storage elements and detect the states of the electricity storage elements; a detection wire connector that is connected to other end portions on a side opposite to that of the end portions on the one side of the detection wires that are connected to the electricity storage elements; a device connector that electrically connects the detection wires and an external device by fitting into the detection wire connector; and a cover that covers a surface on a side on which the detection wires of the electricity storage element group are disposed. The cover is provided with a fixing hole that fixes the detection wire connector and the device connector in a state of being fit together.

An electrolytic capacitor that includes a capacitor element including an anode portion made of a metal layer, a dielectric layer on an outer surface of the metal layer, and a cathode portion on an outer surface of the dielectric layer; an insulating resin body covering the capacitor element; and a gas barrier film on an outer surface of the insulating resin body, the gas barrier film having a water vapor transmittance of 1 g/m.sup.2 per day or less.

An electronic component that includes an electronic component body including a first internal electrode exposed at a first end surface and a second internal electrode exposed at a second end surface; a first external electrode on the first end surface and a bottom surface of the electronic component body; and a second external electrode on the second end surface and the bottom surface of the electronic component body, wherein the first external electrode comprises a first end surface electrode and a first bottom surface electrode that are integrated, and a thickness of the first end surface electrode is smaller than a thickness of the first bottom surface electrode, and the second external electrode comprises a second end surface electrode and a second bottom surface electrode that are integrated, and a thickness of the second end surface electrode is smaller than a thickness of the second bottom surface electrode.

A capacitor element that has an anode body, a dielectric oxide film layer covering the anode body, and a cathode body formed on the dielectric oxide film layer; an exterior body that covers the capacitor element; a contact layer that is on an anode terminal, which is an end portion of the anode body, and has a surface with a predetermined surface roughness; and an anode-side electrode layer that covers the surface are provided.

A method of manufacturing a solid electrolytic capacitor according to the exemplary embodiment of the present disclosure includes a step of exposing a cathode body end portion, which is a portion of a cathode body, from an exterior body covering the cathode body, which is a conductor, and forming a contact electrode, which is a metal film, on the exposed cathode body end portion.

An electrolytic capacitor module includes a plurality of capacitor elements, an electrode lead, a sealing member, and a heat dissipation member. The electrode lead is electrically connected to each of the plurality of capacitor elements, and penetrates through the sealing member. The heat dissipation member has a plurality of housing portions that respectively house the plurality of capacitor elements. Further, the heat dissipation member has a first surface and a second surface opposite to the first surface. Each of the plurality of housing portions has an insertion opening opened in the first surface. The sealing member seals the insertion opening. The electrode lead is led out from the insertion opening.

An electrolytic capacitor that includes a resin molded body including a stack that includes a capacitor element with an anode exposed at a first end surface, a dielectric layer on a surface of the anode, and a cathode opposite to the anode and exposed at a second end surface; a first external electrode on the first end surface and electrically connected to the anode; and a second external electrode on the second end surface and electrically connected to the cathode, wherein the first external electrode and the second external electrode each include: a resin electrode layer containing a conductive component and a resin component; and a Ni plating layer on a surface of the resin electrode layer, wherein a ratio of a thickness of the resin electrode layer to a thickness of the Ni plating layer is 5 or less.

An electrolytic capacitor that includes a resin molded body including a stack that includes a capacitor element with an anode exposed at a first end surface, a dielectric layer on a surface of the anode, and a cathode opposite to the anode and exposed at a second end surface; a first external electrode on the first end surface and electrically connected to the anode; and a second external electrode on the second end surface and electrically connected to the cathode, wherein the first external electrode and the second external electrode each include: a resin electrode layer containing a conductive component and a resin component; and a Ni plating layer on a surface of the resin electrode layer, wherein a ratio of a thickness of the resin electrode layer to a thickness of the Ni plating layer is 5 or less.

What is described is a mounting aid for mounting electrical components, in particular electrolytic capacitors or chokes, on a printed circuit board, said mounting aid comprising a body, which has compartments for receiving the electrical components, wherein the compartments have a base with openings for the insertion of connection wires of the electrical components, and metal parts fastened to the body, which metal parts each form at least one contact pin on the underside of the body and each from a busbar for connection to electrical components in a plurality of compartments of the body.

What is described is a mounting aid for mounting electrical components, in particular electrolytic capacitors or chokes, on a printed circuit board, said mounting aid comprising a body, which has compartments for receiving the electrical components, wherein the compartments have a base with openings for the insertion of connection wires of the electrical components, and metal parts fastened to the body, which metal parts each form at least one contact pin on the underside of the body and each from a busbar for connection to electrical components in a plurality of compartments of the body.