Abstract: An electrical storage device includes an electrical storage element and an electrolytic solution. The electrical storage element is formed of an anode body, a cathode body facing the anode body, and a separator interposed between the anode body and the cathode body. The separator includes a separator substrate and a conductive polymer adhering to the separator substrate. The electrical storage element is impregnated with the electrolytic solution. The separator includes a first surface layer having a first surface facing the anode body and a second surface layer having a second surface facing the cathode body. The first surface layer includes a first region that is not provided with the conductive polymer, and the second surface layer includes a second region provided with the conductive polymer.

Abstract: A power storage device has a power storage element and an electrolytic solution. The power storage element includes an anode body, a cathode body opposed to the anode body, and a separator interposed between the anode body and the cathode body. The separator includes a separator base material and a conductive polymer deposited on the separator base material. The power storage element is impregnated with the electrolytic solution. The separator has a first surface layer, which includes a first surface opposed to the anode body, and a second surface layer, which includes a second surface opposed to the cathode body. The first surface layer has a first region in which the conductive polymer is deposited, and the second surface layer has a second region in which the conductive polymer is not deposited.

Abstract: An electrical storage device includes an electrical storage element and an electrolytic solution. The electrical storage element is formed of an anode body, a cathode body facing the anode body, and a separator interposed between the anode body and the cathode body. The separator includes a separator substrate and a conductive polymer adhering to the separator substrate. The electrical storage element is impregnated with the electrolytic solution. The separator includes a first surface layer having a first surface facing the anode body and a second surface layer having a second surface facing the cathode body. The first surface layer includes a first region that is not provided with the conductive polymer, and the second surface layer includes a second region provided with the conductive polymer.

Abstract: A power storage device has a power storage element and an electrolytic solution. The power storage element includes an anode body, a cathode body opposed to the anode body, and a separator interposed between the anode body and the cathode body. The separator includes a separator base material and a conductive polymer deposited on the separator base material. The power storage element is impregnated with the electrolytic solution. The separator has a first surface layer, which includes a first surface opposed to the anode body, and a second surface layer, which includes a second surface opposed to the cathode body. The first surface layer has a first region in which the conductive polymer is deposited, and the second surface layer has a second region in which the conductive polymer is not deposited.

Abstract: A method for producing a conductive polymer dispersion liquid includes preparing an emulsion of a polyanion adsorbed on a conductive polymer precursor monomer by emulsifying a blended liquid obtained by blending the conductive polymer precursor monomer, the polyanion, and an aqueous solvent; and forming a dispersoid of a conductive polymer by chemical oxidative polymerization with addition of an oxidant to the emulsion. Furthermore, by using this conductive polymer dispersion liquid to provide an electrolytic capacitor, the ESR of the capacitor can be reduced.

Abstract: A method for producing a conductive polymer dispersion liquid includes preparing an emulsion of a polyanion adsorbed on a conductive polymer precursor monomer by emulsifying a blended liquid obtained by blending the conductive polymer precursor monomer, the polyanion, and an aqueous solvent; and forming a dispersoid of a conductive polymer by chemical oxidative polymerization with addition of an oxidant to the emulsion. Furthermore, by using this conductive polymer dispersion liquid to provide an electrolytic capacitor, the ESR of the capacitor can be reduced.

Abstract: An electrical storage device includes an electrical storage element and an electrolytic solution. The electrical storage element is formed of an anode body, a cathode body facing the anode body, and a separator interposed between the anode body and the cathode body. The separator includes a separator substrate and a conductive polymer adhering to the separator substrate. The electrical storage element is impregnated with the electrolytic solution. The separator includes a first surface layer having a first surface facing the anode body and a second surface layer having a second surface facing the cathode body. The first surface layer includes a first region that is not provided with the conductive polymer, and the second surface layer includes a second region provided with the conductive polymer.

Abstract: A metalized film capacitor includes metalized films, each of which is formed of an insulating film made of dielectric, and a vapor deposited metal electrode formed on an upper surface of the insulating film. An end of the vapor deposited metal electrode extends together with an end of the insulating film, and both the ends are connected to an electrode terminal. The vapor deposited metal electrode of the metalized film includes a center region and a low resistance section that is made of Al—Zn—Mg alloy. The low resistance section is disposed at an end of the electrode and is thicker than the center region. This metalized film capacitor has high humidity resistance.

Abstract: A metallized film capacitor includes first and second metal electrodes, a dielectric film disposed between the first and second metal electrodes, and first and second external electrodes which are connected to the first and second metal electrodes, respectively. At least one of the first metal electrode and the second metal electrode comprises magnesium. The magnesium is distributed unevenly in the at least one of the first metal electrode and the second metal electrode.

Abstract: A silver paste layer constituting a collector layer in a solid electrolytic capacitor includes first silver particles having a peak particle size of 150 nm or less, second silver particles having a peak particle size of 500 nm or more, inorganic particles composed of material different from silver, and resin material. The inorganic particles are included at a volume ratio of 15% or more and 50% or less with respect to the total of the first silver particles and the second silver particles.

Abstract: A sealing member for a capacitor is formed of an elastic material, and has a circular cylindrical shape extending along an axial direction. The sectional view perpendicular to the axial direction shows a circular shape. Further, a pair of through-holes is formed parallel to the axial direction. The shape of each through-hole in the sectional view perpendicular to the axial direction of the sealing member is composed of a first arc and a second arc. The first arc protrudes toward the circumference of the sealing member. The second arc protrudes toward the center of the sealing member and has a curvature smaller than that of the first arc.

Abstract: A method of manufacturing a resin molded electronic component using a first mold having a cavity with an open top surface and a second mold combined with the first mold on top includes the following steps: (A) inserting a element of the electronic component and a liquid resin precursor into the cavity of the first mold, the liquid resin precursor having viscosity of 10 Pa·s or lower at 40° C.; (B) arranging the second mold such that the element and the resin precursor are sandwiched after the step (A); and (C) pressing the element and the resin precursor between the first mold and the second mold, and curing the resin precursor by heat from the second mold after the step (B). A temperature of the second mold is set to be higher than that of the first mold.

Abstract: An electrode for capacitor includes a current collector having conductivity, a protective layer formed on the current collector, an anchor coat layer formed on the protective layer, and a polarizing electrode layer formed on the anchor coat layer. The protective layer contains an oxyhydroxide and the anchor coat layer contains conductive particles.

Abstract: A metallized film capacitor includes first and second metal electrodes, a dielectric film disposed between the first and second metal electrodes, and first and second external electrodes which are connected to the first and second metal electrodes, respectively. At least one of the first metal electrode and the second metal electrode comprises magnesium. The magnesium is distributed unevenly in the at least one of the first metal electrode and the second metal electrode.

Abstract: A metallized film capacitor includes a dielectric film and two metal vapor-deposition electrodes facing each other across the dielectric film. At least one of the metal vapor-deposition electrodes is made of substantially only aluminum and magnesium. This metallized film capacitor has superior leak current characteristics and moisture resistant performances, and can be used for forming a case mold type capacitor with a small size.

Abstract: A pressure adjustor includes a sheet-like supporter formed of unwoven fabric or woven fabric, a plurality of activated carbon powder particles attached to the supporter, and binders binding the plurality of activated carbon powder particles to each other. If this pressure adjustor is disposed inside a cabinet of a speaker device including a speaker unit provided in the cabinet, a speaker device is obtained which has an excellent bass reproduction effect even if the device is made small.

Abstract: A capacitor includes a first collector made of metal foil, a first electrode layer placed on a surface of the first collector and mainly containing a carbonaceous material, a resin layer provided on the first electrode layer, a second electrode provided on the resin layer and mainly containing a carbonaceous material, a second collector provided on the second electrode layer and made of metal foil, a case accommodating the first collector, the first electrode layer, the resin layer, the second electrode, and the second collector therein, and an electrolyte accommodated in the case. The resin layer has a non-woven fabric form of fibers made of resin irregularly bonded to one another. The fibers of the resin layer intertwine with the first electrode layer. The fibers of the resin layer intertwine with the first electrode layer. This capacitor can be thin and small.

Abstract: A silver paste layer constituting a collector layer in a solid electrolytic capacitor includes first silver particles having a peak particle size of 150 nm or less, second silver particles having a peak particle size of 500 nm or more, inorganic particles composed of material different from silver, and resin material. The inorganic particles are included at a volume ratio of 15% or more and 50% or less with respect to the total of the first silver particles and the second silver particles.

Abstract: A metalized film capacitor includes metalized films, each of which is formed of an insulating film made of dielectric, and a vapor deposited metal electrode formed on an upper surface of the insulating film. An end of the vapor deposited metal electrode extends together with an end of the insulating film, and both the ends are connected to an electrode terminal. The vapor deposited metal electrode of the metalized film includes a center region and a low resistance section that is made of Al—Zn—Mg alloy. The low resistance section is disposed at an end of the electrode and is thicker than the center region. This metalized film capacitor has high humidity resistance.

Abstract: A method for producing a conductive polymer dispersion liquid includes preparing an emulsion of a polyanion adsorbed on a conductive polymer precursor monomer by emulsifying a blended liquid obtained by blending the conductive polymer precursor monomer, the polyanion, and an aqueous solvent; and forming a dispersoid of a conductive polymer by chemical oxidative polymerization with addition of an oxidant to the emulsion. Furthermore, by using this conductive polymer dispersion liquid to provide an electrolytic capacitor, the ESR of the capacitor can be reduced.