An electrolytic capacitor that includes a resin molding that includes a capacitor element including an anode, a dielectric layer, and a cathode, a sealing resin sealing the capacitor element; a first external electrode on a first end surface of the resin molding; and a second external electrode on a second end surface and connected to the cathode exposed at the second end surface of the resin molding, wherein when viewed in a thickness direction perpendicular to the length direction, the anode includes a first anode region having a first outer edge exposed at the first end surface and connected to the first external electrode, and a second anode region having a second outer edge positioned closest to the second external electrode in the length direction, and a length of the first outer edge is greater than a length of the second outer edge in a width direction.

A negative-pressure packaging method for aluminum electrolytic capacitors including: penetratedly arranging a capacitor element in a seal; placing the capacitor element, the seal and a case at an inner chamber of an accommodating mechanism; sealing the accommodating mechanism; vacuumizing the accommodating mechanism to allow the inner chamber to be in a negative pressure state; subjecting the seal and the case to packaging, such that the seal is located at a first depth of the case; and subjecting the seal and the case to pressing, such that the seal is located at a second depth of the case, where the second depth is closer to a bottom of the case with respect to the first depth.

In a first aspect, the present invention relates to a perovskite material comprising negatively charged layers alternated with and neutralized by positively charged layers; the negatively charged layers having a general formula selected from the list consisting of: L.sub.n−1M.sub.nX.sub.3n+1, L.sub.nM.sub.nX.sub.3n+2, and L.sub.n−1M′.sub.nX.sub.3n+3, and the positively charged layers comprising: one or more organic ammonium cations independently selected from monovalent cations Q and divalent cations Q′, or a polyvalent cationic conjugated organic polymer Z, wherein Q, Q′ and Z comprise each a π-conjugated system in which at least 8 and preferably at least 10 atoms participate, L is a monovalent cation, M.sub.n are n independently selected metal cations averaging a valence of two, M′.sub.n are n independently selected metal cations averaging a valence equal to 2+2/n, X is a monovalent anion, and n is larger than 1.

A method of manufacturing a solid electrolytic capacitor, including: a step (A) of providing a conjugated conductive polymer-containing dispersion by polymerizing, in a dispersion medium containing seed particles turned into protective colloid by a polyanion or in a dispersion medium containing the polyanion, a monomer for obtaining a conjugated conductive polymer; a step (B) of preparing a dispersion containing a morpholine compound and the conjugated conductive polymer by adding the morpholine compound to the conjugated conductive polymer-containing dispersion; a step (C) of causing the dispersion to adhere to a porous anode body formed of a valve metal having a dielectric film on a surface thereof; and a step (D) of forming a solid electrolyte layer by removing the dispersion medium from the dispersion containing the morpholine compound and the conjugated conductive polymer, the dispersion adhering to the porous anode body.

The present invention provides novel triazatruxene derivatives that are useful as hole transport materials (HTM), particularly, in optoelectronic devices. The utility of the novel compounds was confirmed in solid-state, sensitized solar cells based on organic-inorganic perovskites used as light harvesters. The devices achieved high power conversion efficiencies.

In a method for manufacturing an energy storage device by applying welding to a container of the energy storage device, the method includes: arranging a jig on which wall surfaces are formed between two parts to be welded to which welding is applied; and welding the two parts to be welded while supplying a shield gas to the two parts to be welded from two different directions corresponding to the two parts to be welded.

A capacitor element includes an anode body including a porous region located at a surface of the anode body, a dielectric layer that covers at least a part of the anode body, and a cathode layer that covers at least a part of the dielectric layer. The anode body includes an anode part and a cathode formation part on which the cathode layer is disposed, the cathode formation part being adjacent to the anode part. At least a part of the porous region of the anode part includes a thin-thickness region that is thinner than the porous region in the cathode formation part, and a metal substrate is stacked on at least a part of the thin-thickness region. The metal substrate is denser than the porous region in the cathode formation part.

According to one embodiment, an aluminum electrolytic capacitor includes an anode, a cathode, and a fiber film. The anode includes a first metal layer and a dielectric layer. The first metal layer includes aluminum. The dielectric layer is formed on the first metal layer. The cathode includes a second metal layer. The second metal layer includes aluminum. The fiber film is provided between the anode and the cathode. The fiber film includes a first layer and a second layer. The first layer includes a first fiber having a first diameter. The first layer is provided between the dielectric layer and the second layer. The second layer includes a second fiber having a second diameter smaller than the first diameter.

A method of fabricating a photovoltaic absorber layer is provided. The method embodies the application of an anodic paste along the surface of the transparent conductive substrate, wherein the applied surface is coupled to a cathodic element forming a solar cell. The anodic paste comprises titanium dioxide nanoparticles in powder form mixed with light-absorbing dye and electrolytic paste.

An electrolytic capacitor that includes a stack having multiple capacitor elements stacked in a thickness direction perpendicular to a length direction, wherein a first end of a first cathode is first closest to a second external electrode among all of ends of the cathodes of the multiple capacitor elements, a second end of a second cathode is second closest to the second external electrode, and an end of the second external electrode is closer to a first external electrode than the second end of the second cathode.