Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Matsushita Electric Industrial Co., Ltd.

Hidehiro Sasaki

Tatsuji Aoyama

Hiroyuki Matsuura

Yuka Yamada

Nobuyasu Suzuki

Shigetaka Furusawa

Yasunori Morinaga

Masa-aki Suzuki

Yukiya Shimoyama

Yuuki Murata

Hiroaki Oka

Jyunya Kushizaki

Masahiro Deguchi

Kazuyo Saito

Akio Oki

Junya Kushizaki

An electrolytic capacitor includes a capacitor element. The capacitor element includes an anode including a dielectric layer thereon and a cathode member including a conductive polymer and in contact with the dielectric layer. The capacitor element is impregnated with a liquid containing at least one of polyalkylene glycol and derivatives of polyalkylene glycol. The liquid further contains an oxidation inhibitor.

Electrolytic capacitor and manufacturing method therefor

An electrolytic capacitor includes a capacitor element. The capacitor element includes an anode including a dielectric layer thereon and a cathode member including a conductive polymer and in contact with the dielectric layer. The capacitor element is impregnated with a liquid containing at least one of polyalkylene glycol and derivatives of polyalkylene glycol. The liquid further contains an aromatic compound having a nitro group and at least one of a hydroxyl group and a carboxyl group.

An electrolytic capacitor includes a capacitor element. The capacitor element includes: an anode foil having a dielectric layer thereon, and a cathode layer including a conductive polymer and in contact with the dielectric layer. The capacitor element is impregnated with a liquid containing at least one of polyalkylene glycol and derivatives selected from a group consisting of polyethylene glycol glyceryl ether, polyethylene glycol diglyceryl ether, polyethylene glycol sorbitol ether, polypropylene glycol glyceryl ether, polypropylene glycol diglyceryl ether, polypropylene glycol sorbitol ether, copolymers of ethylene glycol and propylene glycol, copolymers of ethylene glycol and butylene glycol, and copolymers of propylene glycol and butylene glycol.

An electrolytic capacitor includes a capacitor element, and a liquid solution with which the capacitor element is impregnated. The capacitor element includes: an anode foil having a dielectric layer thereon, and a cathode layer including a conductive polymer and in contact with the dielectric layer. The liquid solution contains at least one of polyalkylene glycol and derivatives thereof. A total weight content of polyalkylene glycol and derivatives thereof in the liquid solution is 15 wt % or greater with respect to a weight of the liquid solution.

An electrolytic capacitor includes a capacitor element, and an electrolyte solution with which the capacitor element is impregnated. The capacitor element includes an anode foil having a dielectric layer on a surface thereof, and a solid electrolyte layer including a conductive polymer and in contact with the dielectric layer of the anode foil. The electrolyte solution contains at least one of polyalkylene glycol and a derivative of polyalkylene glycol, and at least one of diphenyl amine, naphthol, nitrophenol, catechol, resorcinol, hydroquinone, and pyrogallol.

A capacitor element includes an anode foil, the first oxide film on a surface of the anode foil, a solid electrolyte layer formed using &#x3c0;-conjugated conductive polymer dispersing material on the first oxide film, and a cathode foil on the solid electrolyte layer. The cathode foil faces the first oxide film across the solid electrolyte layer. An electrolytic capacitor includes the capacitor element, an anode terminal connected to the anode foil, and a second oxide film on a surface of the anode terminal. The second oxide film provided on the anode terminal has higher water repellency than the first oxide film provided on the anode foil. This electrolytic capacitor can reduce a leakage current.

Electrolytic capacitor and method for manufacturing same

An electrolytic capacitor includes a capacitor element, an electrolyte solution with which the capacitor element is impregnated, and an outer package enclosing the capacitor element and the electrolyte solution. The capacitor element includes an anode foil having a dielectric layer on a surface thereof, a cathode foil, a separator disposed between the anode foil and the cathode foil, and a solid electrolyte layer in contact with the dielectric layer of the anode foil and the cathode foil. The electrolyte solution contains a low-volatile solvent that is at least one of polyalkylene glycol and a derivative of polyalkylene glycol.

Electrolytic capacitor

An electrolytic capacitor includes a capacitor element and an electrolyte solution impregnated in the capacitor element. The capacitor element includes an anode foil, cathode foil, separator, and a solid electrolytic layer. The anode foil has a dielectric layer on its surface, and the cathode foil confronts the anode foil. The separator is interposed between the anode foil and the cathode foil. The solid electrolytic layer is formed on the surfaces of the anode foil, cathode foil, and separator as an aggregate of fine particles of conductive polymer. The separator has an air-tightness not greater than 2.0 s/100 ml. Sizes of the fine particles measure not greater than 100 nm in diameter, and an amount of the fine particles contained falls within a range from 0.3 mg/cmto 1.2 mg/cm, inclusive, as converted to weight per unit area of the anode foil.

Method of manufacturing an electrolytic capacitor

An electrolytic capacitor includes a capacitor element and an electrolyte solution impregnated into the capacitor element. The capacitor element includes an anode foil, cathode foil, separator, and a solid electrolytic layer. The anode foil has a dielectric layer on its surface, and the cathode foil confronts the anode foil. The separator is interposed between the anode foil and the cathode foil. The solid electrolytic layer is formed on the surfaces of the anode foil, cathode foil, and separator as an aggregate of fine particles of conductive polymer. The separator has an air-tightness not greater than 2.0 s/100 ml. Sizes of the fine particles measure not greater than 100 nm in diameter, and the fine particles are contained in an amount ranging from 0.3 mg/cmto 1.2 mg/cmconverted to amounts per unit area of the anode foil.

Electrolytic capacitor and method of manufacturing the same

The present invention provides a water photolysis system comprising: a casinginto which incident sunlight L can enter from the outside and a photolytic layerwhich is disposed inside the casingwherein the photolytic layerhas a light-transmissive porous materialand photocatalyst particlessupported thereon; a water layercontaining water in its liquid state is disposed below the photolytic layerwith a first spacedisposed between the water layer and the photolytic layer; a sealed second spaceis formed above the photolytic layerin the casingvapor generated from the water layeris introduced into the photolytic layervia the first spaceand the vapor is decomposed into hydrogen and oxygen by the photocatalyst particleswhich are excited by the sunlight L.

Water photolysis system and process

To provide an electrode plate for electrochemical measurements that enables detecting and quantifying the concentration of a target substance contained in a sample solution with rapidity and favorable sensitivity using an apparatus for electrochemical measurements is objected to. Specifically, the present invention is directed to a method of the determination using an electrode plate for electrochemical measurementsincluding a substrate, an upper layerprovided on the upper face of the substrate, a lower layerprovided on the lower face of the substrate, a first electrode bodysandwiched between the upper face of the substrate and the upper layer, and a second electrode bodysandwiched between the lower face of the substrate and the lower layer, wherein: the upper layer has a plurality of upper layer through-holesand; the first electrode body has a plurality of first electrodesincluding a portion exposed from the upper face of the upper layer via the upper layer through-hole; the substrate has a plurality of substrate through-holes; and the second electrode body has a plurality of second electrodesincluding a portion exposed from the upper face of the upper layer via the upper layer through-holeand the substrate through-hole in the second electrode body.

Electrode plate for electrochemical measurements

An object of the invention is to provide an electrode plate for electrochemical measurements for detecting with high sensitivity and determining a substance included in a living body. The electrode plate of the present invention has on both faces of body of the substrate, oxidation electrode and reduction electrode opened respectively at upper layer opening and lower layer opening having the same area; and further has a plurality of through-holes that penetrate through from the face of the oxidation electrode to the face of the reduction electrode, in which electrode pairs are formed which exhibit a redox cycle effect between the oxidation electrode and the reduction electrode by applying the potential which can proceed an oxidative reaction of a reductant on the oxidation electrode, and the potential which can proceed a reductive reaction of an oxidant on the reduction electrode.

An electrode plate for electrochemical measurements capable of measuring the concentration of a target substance included in a sample solution with favorable accuracy and high sensitivity is provided. The electrode plate for electrochemical measurements of the present invention includes a substrate, an upper layer, a lower layer, a first electrode body sandwiched between the substrate and the upper layer, and a second electrode body sandwiched between the substrate and the lower layer, wherein: the upper layer has a plurality of upper layer through-holes; the first electrode body has a plurality of first electrodes exposed from via the upper layer through-hole in the first electrode body; the substrate has a plurality of substrate through-holes; and the second electrode body has a plurality of second electrodes exposed via the upper layer through-hole and the substrate through-hole in the second electrode body.

An object of the present invention is to provide an oxygen reduction electrode having excellent oxygen reduction properties (oxygen reduction catalyst abilities). The present invention encompasses:

Method for manufacturing nanostructured manganese oxide having dendritic structure, and oxygen reduction electrode comprising nanostructured transition metal oxide having dendritic structure

The present invention provides an electrochemical electrode wherein transition metal (nickel) nanoparticles are used to form an active layer having a large surface area without using a conductive support while maintaining dispersibility and stability, and a method for producing the same.

Electrochemical electrode using nickel-containing nanostructured material having dendritic structure as active layer, and method for producing the same

Growing community of inventors

Neyagawa, Japan

Hidehiro Sasaki