摘要:
A solid electrolytic capacitor in which the withstand voltage can be enhanced and a manufacturing method thereof are provided. A mixed powder is prepared by mixing a first powder containing at least one selected from the group consisting of a valve metal, an alloy of a valve metal, a metal oxide of a valve metal, and a metal nitride of a valve metal and a second powder containing a metal oxide different from the first powder. An anode is made by sintering the mixed powder. A dielectric layer is formed on a surface of the anode, and a cathode is formed on the dielectric layer.
摘要:
An aspect of the invention provides a solid electrolytic capacitor that comprises: an anode formed of a valve metal or an alloy mainly made of a valve metal; a dielectric layer formed on a surface of the anode; a first conducting polymer layer formed on the dielectric layer, the first conducting polymer layer containing a non-ionic surfactant; a second conducting polymer layer formed on the first conducting polymer layer; and a cathode layer formed on the second conducting polymer layer.
摘要:
An aspect of the invention provides a solid electrolytic capacitor that comprises: an anode formed of a valve metal or an alloy mainly made of a valve metal; a dielectric layer formed on a surface of the anode; a first conducting polymer layer formed on the dielectric layer, the first conducting polymer layer containing a non-ionic surfactant; a second conducting polymer layer formed on the first conducting polymer layer; and a cathode layer formed on the second conducting polymer layer.
摘要:
A niobium solid electrolytic capacitor comprises: an anode mainly made of niobium and containing nitrogen and at least one kind of alloying element whose hardness is higher than that of niobium; a dielectric layer provided on a surface of the anode and containing nitrogen; an electrolyte layer provided on the dielectric layer and formed of a conductive polymer; and a cathode layer provided on the electrolyte layer. The electrolyte layer has a three-layered structure formed of a first electrolyte layer, a second electrolyte layer, and a third electrolyte layer, which are arranged in this order between the dielectric layer to the cathode layer. The second electrolyte layer and the third electrolyte layer contain alkyl substituted aromatic sulfonate. Conductivities of the respective electrolyte layers increase in order of the first electrolyte layer, the second electrolyte layer, and the third electrolyte layer.
摘要:
A solid electrolytic capacitor includes an anode substrate, a dielectric layer provided on the anode substrate, a first cathode layer provided on the dielectric layer, and a second cathode layer provided on the first cathode layer. The first cathode layer is a layer made of polyethylenedioxythiophene and polypyrrole. The second layer is a layer made of polypyrrole.
摘要:
The present invention relates to a solid electrolytic capacitor provided with a anode made of a metal or an alloy having valve action, a dielectric layer formed on the anode, and an electrolyte layer consisting of a conductive polymer layer formed so as to have contact with a portion of the region on the dielectric layer surface and a manganese dioxide layer formed so as to have contact with the other portion of the region on the dielectric layer surface.
摘要:
A solid electrolytic capacitor includes a capacitor element having a niobium oxide layer arranged between an anode and a cathode, and an outer package covering the capacitor element. The niobium oxide layer contains fluorine and phosphorus, and the outer package contains epoxy resin, phenol resin, filler and an imidazole compound.
摘要:
A solid electrolytic capacitor includes an anode and a dielectric layer. The anode is made of niobium or a niobium alloy. The dielectric layer is made of niobium oxide formed on the niobium or the niobium alloy. The niobium oxide has a feature that a full width at half maximum of a peak of an Mz ray of characteristic X-rays of niobium is 0.98 Å or more. The characteristic X-rays are emitted when the niobium oxide is irradiated with an electron beam.
摘要:
A solid electrolytic capacitor includes an anode substrate, a dielectric layer provided on the anode substrate, a first cathode layer provided on the dielectric layer, and a second cathode layer provided on the first cathode layer. The first cathode layer is a layer made of polyethylenedioxythiophene and polypyrrole. The second layer is a layer made of polypyrrole.
摘要:
Provided is a solid electrolytic capacitor comprising an anode of a porous body formed of a valve metal or its alloy, a dielectric layer formed on the surface in the inside part of the porous body and on the surface in the outer peripheral part thereof, a conductive polymer layer formed on the dielectric layer, a cathode layer formed on the conductive polymer layer in the outer peripheral part of the porous body, and an anode lead of which one end is embedded inside the anode, wherein the conductive polymer layer in the first region which is in the inside part of the porous body and the periphery around the anode lead as the center is formed of a polypyrrole layer, and the conductive polymer layer in the second region which is the periphery around the first region is formed by laminating a polypyrrole layer on a polyethylenedioxythiophene layer.