Showa Denko K.k.

Showa Denko Kabushiki Kaisha

Mitsubishi Corporation

Resonac Corporation

Murata Manufacturing Co., Ltd.

Ryuji Monden

Atsushi Sakai

Yuji Furuta

Hideki Ohata

Koro Shirane

Katsuhiko Yamazaki

Toshikazu Shishikura

Takuya Imai

Yasuaki Wakizaka

Hiroshi Konuma

Toru Sawaguchi

Kunchan Lee

Kunio Kondo

Tadatoshi Kurozumi

Takashi Sato

Yoshiaki Ikenoue

Kenichiro Ota

Chunfu Yu

Yu Gao

Masaki Horikita

Masumi Kuritani

Hiroshi Nitoh

Toshihiro Okabe

Hideko Ohata

Yuji Ito

Jun Tanaka

Yoshinori Abe

Chozo Inoue

Tatsuo Obata

Hiroyuki Takahashi

Akira Takahashi

Kenzo Hanawa

Masaru Tanaka

Masahiro Ohmori

Hiroshi Yabu

Hiroshi Nakajima

Hideo Miyata

Kohei Morikawa

Hiroyuki Hagihara

Masatsugu Shimomura

Yoshikazu Hosoda

Katsura Ito

Masayuki Yoshimura

Tamami Koyama

Nobutoshi Sasaki

Tamotsu Yamashita

Hiroyasu Taguchi

Isamu Taguchi

Kazunori Ichioka

Kasumi Nakamura

Manabu Ohira

Masafumi Takebayashi

Masashi Sakaguchi

Teruto Ohta

Ryoko Konta

Junya Sakaguchi

Takenori Nishikata

Mayumi Miyazawa

Koro Central Research Laboratory Showa Shirane

Yasuyuki Sakaguchi

Hitomi Kane

Hideki Central Research Laboratory Showa Ohata

One aspect of the present invention provides a polishing method including polishing a sliding part of a machine device by producing fullerene-aggregated particles by making the sliding part slide while a polishing-agent composition containing fullerenes and a solvent of the fullerenes is applied to the sliding part.

Polishing method, machine device manufacturing method, and machine device

This method for producing a lubricating oil composition includes: a step of dissolving fullerenes in a base oil mainly composed of a multiply alkylated cyclopentane oil or an ionic liquid containing an imide as a negative ion to obtain a fullerene solution; and a step of producing fullerenes adduct by subjecting the above-described fullerene solution to a heat treatment in a non-oxidizing atmosphere.

Method for producing lubricating oil composition, and lubricating oil composition

A method for producing a lubricating oil composition of the present embodiment includes an irradiation step of irradiating a fullerene solution in which fullerenes are dissolved in a base oil with radiation, in which the above-described radiation is ultraviolet light or ionizing radiation.

Lubricating oil composition and method for producing lubricating oil composition

A fullerene-containing lubricating oil composition including a base oil and fullerene, wherein the fullerene is dissolved, and the concentration is 1 ppm by mass or more and less than 50 ppm by mass.

Fullerene-containing lubricating oil composition and method for producing same

A lubricating oil composition is provided, including a fullerene and a base oil, in which the fullerene is a fullerene sublimate, and the base oil is a multiply alkylated cyclopentane oil or an ionic liquid.

Lubricating oil composition, method for producing same and vacuum apparatus

A method for producing a lubricating oil composition includes: a step of mixing a base oil and fullerene, dissolving a soluble component of the fullerene in the base oil, and obtaining a mixture of the base oil and fullerene; a step of removing an insoluble component included in the mixture and obtaining a fullerene solution; and a step of heat-treating the fullerene solution.

Lubricating oil composition and method for producing same

A method for inspecting a lubricant oil composition containing a base oil and a fullerene, the method including: measuring at least one of a lamellar length of the lubricating oil composition and a most abundant diameter in a particle size distribution obtained by a dynamic light scattering method, and selecting the lubricating oil composition whose measured value is within a set range.

Method for inspecting lubricating oil composition and method for producing lubricating oil composition

The lubricating oil composition includes a base oil and a fullerene adduct.

Lubricating oil composition and method of producing the same

A redox flow battery includes: first carbon nanotubes having an average diameter of 100 nm or r core, and second carbon nanotubes having an average diameter of 30 nm or less, in which the second carbon nanotubes are adhered to surfaces of the first carbon nanotubes such that the second carbon nanotubes bridge between the plural first carbon nanotubes. Since the redox flow battery includes an electrode material and an electrode including the electrode material, the electromotive force and the charging capacity are high.

Electrode material including small diameter, carbon nanotubes bridging large diameter carbon nanotubes, redox flow battery electrode, redox flow battery, and method for producing electrode material

Provided is a process for producing a fuel cell electrode catalyst with high catalytic activity that is alternative to a noble metal catalyst, through a heat treatment at a relatively low temperature. A process for producing a fuel cell electrode catalyst includes a step (I) of obtaining a catalyst precursor, including a step (Ia) of mixing at least a metal compound (1), a nitrogen-containing organic compound (2), and a fluorine-containing compound (3), and a step (II) of heat-treating the catalyst precursor at a temperature of 500 to 1300&#xb0; C. to obtain an electrode catalyst, a portion or the entirety of the metal compound (1) being a compound containing an atom of a metal element M1 selected from the group consisting of iron, cobalt, chromium, nickel, copper, zinc, titanium, niobium and zirconium, and at least one of the compounds (1), (2) and (3) containing an oxygen atom.

Process for producing a fuel cell electrode catalyst, fuel cell electrode catalyst and use thereof

An oxygen reduction catalyst which includes composite particles including a portion including an inorganic metal compound and a portion containing carbon. The composite particles include a metal element M1, carbon, and oxygen as constituent elements; the amount of carbon atoms is 1 to 10 mol, and the amount of oxygen atoms is 1 to 3 mol, assuming that the total amount of atoms in the metal element M1 is 1 mol; a G-band and a D-band are present in a Raman spectrum, and a V/G ratio defined in an expression described below is 0.10 to 0.35: V/G ratio=(minimum value of spectral intensity in region V which is a region between G-band and D-band)/(peak intensity in G-band).

Oxygen reduction catalyst and use thereof

A catalyst carrier production process includes a step (a) of mixing a transition metal compound (1), a nitrogen-containing organic compound (2), and a solvent to provide a catalyst carrier precursor solution; a step (b) of removing the solvent from the catalyst carrier precursor solution; and a step (c) of thermally treating a solid residue obtained in the step (b) at a temperature of 500 to 1100&#xb0; C. to provide a catalyst carrier; wherein the transition metal compound (1) is partly or wholly a compound including a transition metal element (M1) selected from the group 4 and 5 elements of the periodic table as a transition metal element; and at least one of the transition metal compound (1) and the nitrogen-containing organic compound (2) includes an oxygen atom.

Process for producing catalyst carrier, process for producing composite catalyst, composite catalyst, and fuel cell using same

Provided is a fuel cell catalyst layer which has a catalytic performance equivalent to or higher than fuel cell catalyst layers containing platinum alone and which is inexpensive. The fuel cell catalyst layer of the present invention includes a metal oxycarbonitride-containing layer (I) and a platinum-containing layer (II). It is preferable that the mass ratio per unit area of the metal oxycarbonitride in the layer (I) to platinum in the layer (II) (metal oxycarbonitride/platinum) is 2 to 500. It is preferable that the mass per unit area of platinum in the layer (II) is 0.005 to 0.2 mg/cm.

Fuel cell catalyst layer and uses thereof

Catalysts of the present invention are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. The catalyst includes a metal oxycarbonitride containing two metals M selected from the group consisting of tin, indium, platinum, tantalum, zirconium, titanium, copper, iron, tungsten, chromium, molybdenum, hafnium, vanadium, cobalt, cerium, aluminum and nickel, and containing zirconium and/or titanium. Also disclosed is a process for producing the catalyst.

Catalyst, production process therefor and use thereof

In a direct-liquid fuel cell supplied directly with a liquid fuel, a process for producing an electrode catalyst for a direct-liquid fuel cell is provided which is capable of suppressing decrease in cathode potential caused by liquid fuel crossover and providing an inexpensive and high-performance electrode catalyst for a direct-liquid fuel cell. The process for producing an electrode catalyst for a direct-liquid fuel cell includes Step A of mixing at least a transition metal-containing compound with a nitrogen-containing organic compound to obtain a catalyst precursor composition, and Step C of heat-treating the catalyst precursor composition at a temperature of from 500 to 1100&#xb0; C. to obtain an electrode catalyst, wherein part or entirety of the transition metal-containing compound includes, as a transition metal element, at least one transition metal element M1 selected from Group IV and Group V elements of the periodic table.

Process for producing catalyst for direct-liquid fuel cell, catalyst produced by the process and uses thereof

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Chiba, Japan

Ryuji Monden