Fukushima, Japan
Fukushima, Japan

Nippon Chemi-Con Corporation is a Japanese corporation that produces electrolytic capacitors. Nippon Chemi-Con was founded in 1931 by Toshio Satoh as the first electrolytic capacitors production in Japan.Their capacitors are used in many motherboards including DFI, and PSUs from Zippy Technology and Seasonic. Currently they are considered one of the best capacitor makers, along with Hitachi, and their reputation is a selling point for top of the line PSU brands like PC Power and Cooling, Enermax, BFG Technologies, Sea Sonic, Antec, SilverStone Technology and others.Today Nippon Chemi-Con still dominates the Global Aluminum Electrolytic industry as the largest producer and is poised to expand their business and influence in the capacitor industry with their many new developments including Conductive Polymer Capacitors, Ultra-Capacitors and Ceramic Capacitors. Wikipedia.


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Provided is an electrode which gives an electric storage device that has high energy density and good cycle life. This electrode for an electric storage device is characterized by having an active material layer that contains: an electrode active material particle; and a paste-like conductive carbon that is derived from an oxidized carbon obtained by giving an oxidizing treatment to a carbon raw material with an inner vacancy and covers a surface of the electrode active material particle. The paste-like conductive carbon derived from the oxidized carbon is densely filled not only into a gap that is formed between the electrode active material particles adjacent to each other but also into a pore that exists on the surface of the active material particle, so that the electrode density is increased, thereby improving the energy density of the electric storage device. In addition, since the paste-like conductive carbon suppresses dissolution of the active material, the cycle characteristics of the electric storage device are improved.


A composite powder in which highly dispersed metal oxide nanoparticle precursors are supported on carbon is rapidly heated under nitrogen atmosphere, crystallization of metal oxide is allowed to progress, and highly dispersed metal oxide nanoparticles are supported by carbon. The metal oxide nanoparticle precursors and carbon nanoparticles supporting said precursors are prepared by a mechanochemical reaction that applies sheer stress and centrifugal force to a reactant in a rotating reactor. The rapid heating treatment in said nitrogen atmosphere is desirably heating to 400 C. to 1000 C. By further crushing the heated composite, its aggregation is eliminated and the dispersity of metal oxide nanoparticles is made more uniform. Examples of a metal oxide that can be used are manganese oxide, lithium iron phosphate, and lithium titanate. Carbons that can be used are carbon nanofiber and Ketjen Black.


Patent
NIPPON CHEMI - CON Co. | Date: 2016-06-29

Provided is an electrochemical capacitor which has low DC internal resistance, and which minimizes increase in the DC internal resistance due to a high temperature experience. The electrochemical capacitor is provided with a positive electrode having a positive electrode active material layer containing activated carbon, a negative electrode having a negative electrode active material layer containing a spinel-type lithium titanate, and a separator holding a non-aqueous electrolytic solution containing a lithium salt between the positive electrode active material layer and the negative electrode active material layer, a 100% discharge capacity of lithium titanate being set to within a range of 2.2 to 7.0 times a 100% discharge capacity of activated carbon. During charging and discharging of the electrochemical capacitor, only the area near the surfaces of lithium titanate particles are utilized, lowering the DCIR and improving the stability of the DCIR.


Patent
NIPPON CHEMI - CON Co. | Date: 2016-07-22

The present invention provides solid electrolytic capacitor with excellent properties in high-voltage application of 80V or more and a manufacturing method thereof. The solid electrolytic capacitor is manufactured by: forming, in a capacitor element with an anode electrode foil and a cathode electrode foil wound with an interposed separator, a solid electrolyte layer by using a conductive polymer dispersion in which particles of a conductive polymer dispersed in a solvent; and filling voids inside the capacitor element in which the solid electrolyte layer has been formed with an electrolytic solution containing less than 9 wt % of a salt of a composite compound of inorganic acid and organic acid as a solute for filling.


Patent
NIPPON CHEMI - CON Co. | Date: 2016-12-14

The present invention provides solid electrolytic capacitor with excellent properties in high-voltage application of 80V or more and a manufacturing method thereof. The solid electrolytic capacitor is manufactured by: forming, in a capacitor element with an anode electrode foil and a cathode electrode foil wound with an interposed separator, a solid electrolyte layer by using a conductive polymer dispersion in which particles of a conductive polymer dispersed in a solvent; and filling voids inside the capacitor element in which the solid electrolyte layer has been formed with an electrolytic solution containing less than 9 wt % of a salt of a composite compound of inorganic acid and organic acid as a solute for filling.


Patent
NIPPON CHEMI - CON Co. | Date: 2016-09-25

A lead terminal for a capacitor which is less likely to be broken even when the capacitor implemented on a substrate is continuously subjected to vibration, has excellent in vibration resistance and lifetime characteristics and capable of being manufactured inexpensively, is provided. The lead terminal 1 for a capacitor has an aluminum wire 2 having a round bar portion 2a and a flat portion 2b, and a metal wire 3 welded to the round bar portion 2a of the aluminum wire 2. Furthermore, the lead terminal 1 for a capacitor has a curved portion 2c at a boundary section between the round bar portion 2a and the flat portion 2b, and a curvature radius R of the curved portion 2c is set to be equal to or greater than 0.5.


Patent
NIPPON CHEMI - CON Co. | Date: 2016-05-11

A capacitor module (2) including a case member having accommodating portions (14) that accommodate plural capacitors (4). A space (32) is included between an inner wall portion of the accommodating portions and the capacitor. A fixing member (16) is disposed in the space. The fixing member includes an annular portion (20) that surrounds a circumferential portion of the capacitor, and a wedge portion (22) that is formed on the annular portion in a direction of intersection with the annular portion. Any stress applied from the case member to the fixing member and a sealing curling portion can thereby be avoided. In addition, any load applied by vibrations to external terminals and an auxiliary terminal can be reduced, and the connection property and the fixing strength can be maintained.


Patent
NIPPON CHEMI - CON Co. | Date: 2016-04-20

A capacitor (2) has an exterior package case (12) housing an electrolyte (4) along with a capacitor element (10), a sealing plate (14) where an external terminal is disposed , the sealing plate sealing the exterior package case, and a current collecting plate (18-1, 18-2) disposed between an electrode protruding portion formed on an element end surface of the capacitor element and the external terminal, and comprises a gas releasing mechanism (a safety valve 16) disposed in the sealing plate to release a gas in the exterior package case, and a blocking mechanism (6) disposed on at least one of the sealing plate and the current collecting plate to block the electrolyte from the gas releasing mechanism. As a result, the electrolyte is blocked by the blocking mechanism and therefore does not deteriorate the releasing function of the gas releasing mechanism.


Patent
NIPPON CHEMI - CON Co. | Date: 2016-09-21

A production method for an electronic component using an exterior packaging material containing a silicone resin comprises a step of dipping an element into an exterior packaging material containing a silicone resin to which aluminum hydroxide or magnesium hydroxide and a nonpolar solvent are added, an additive amount of the aluminum hydroxide or the magnesium hydroxide being controlled to a range of 60 [wt.%] or more to less than 70 [wt.%], a step of drying the exterior packaging material formed on a surface of the element to evaporate the nonpolar solvent and cause a silicone resin component to appear on a surface of the exterior packaging material, and a curing step of curing the exterior packaging material. As a result, the silicone resin can be reduced while maintaining the incombustibility and insulation withstand voltage of the exterior packaging material.


Patent
NIPPON CHEMI - CON Co. | Date: 2016-05-10

A production method for an electronic component using an exterior packaging material containing a silicone resin comprises a step of dipping an element into an exterior packaging material containing a silicone resin to which aluminum hydroxide or magnesium hydroxide and a nonpolar solvent are added, an additive amount of the aluminum hydroxide or the magnesium hydroxide being controlled to a range of 60 [wt. %] or more to less than 70 [wt. %], a step of drying the exterior packaging material formed on a surface of the element to evaporate the nonpolar solvent and cause a silicone resin component to appear on a surface of the exterior packaging material, and a curing step of curing the exterior packaging material.

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