Sony Corporation

Mitsubishi Denki Kabushiki Kaisha

Murata Manufacturing Co., Ltd.

Oki Electric Industry Co., Ltd.

Renesas Technology Corp.

Sony Group Corporation

Seiichiro Tabata

Shinichiro Yamada

Hironori Iida

Shun Yamanoi

Machiko Minatoya

Tsutomu Noguchi

Masayoshi Kanno

Takeshi Horie

Atsushi Kawamura

Masakazu Mitsugi

Tatsuo Hatta

Ken Kobayashi

Takashi Mizuochi

Yosuke Saito

Hironori Sasaki

Takeshi Saito

Hidehiko Takanashi

Aya Shuto

Yuriko Kaino

Kazumasa Takeshi

Koichiro Hinokuma

Jan Jasper Van Den Berg

Hirotsugu Ishihara

Kenji Kishimoto

Takashi Obikawa

Kazuma Usami

Makoto Yoshizaki

Hideki Haneda

Tim Beard

A sheet-shaped member is provided and includes a porous carbon material including a material obtained from carbonization of a raw material including rice husk, the raw material having a silicon content of at least 5 wt %, the raw material is heat treated before carbonization, and the raw material is treated by an alkali treatment after carbonization to reduce the silicon content, the porous carbon material having a specific surface area of at least 10 m2/g as measured by the nitrogen BET method, a pore volume of at least 0.1 cm3/g as measured by the BJH method and MP method, and an R value of 1.5 or greater, wherein the porous carbon material includes mesopores having pore sizes from 2 nm to 50 nm and obtained from the alkali treatment of the raw material after carbonization, the porous carbon material further includes macropores and micropores, the R value is expressed as R=B/A, the A referring to an intensity at an intersection between the baseline of a diffraction peak of the (002) plane as obtained based on powdery X-ray diffractometry of the porous carbon material and a perpendicular line downwardly drawn from the diffraction peak of the (002) plane, and the B referring to the intensity of the diffraction peak of the (002) plane.

Sheet-shaped member

A porous carbon material having a value of a specific surface area by a nitrogen BET method of 1&#xd7;10m/g or more, a volume of fine pores by a BJH method of 0.3 cm/g or more, and a particle size of 75 &#x3bc;m or more, alternatively, a porous carbon material having a value of a specific surface area by a nitrogen BET method of 1&#xd7;10m/g or more, a total of volumes of fine pores having a diameter of from 1&#xd7;10m to 5&#xd7;10m, obtained by a non-localized density functional theory method, of 1.0 cm/g or more, and a particle size of 75 &#x3bc;m or more.

Decontaminant, carbon/polymer composite, decontamination sheet member and filter medium

Disclosed herein is a fungicide, including a porous carbon material and a silver member adhered to the porous carbon material, wherein a value of a specific surface area based on a nitrogen BET, namely Brunauer, Emmett, and Teller method is equal to or larger than 10 m/g, and a volume of a fine pore based on a BJH, namely Barrett, Joyner, and Halenda method and an MP, namely Micro Pore method is equal to or larger than 0.1 cm/g.

Fungicide, photo catalytic composite material, adsorbent, and depurative

A solidified porous carbon material uses a plant-derived material as a raw material, a bulk density of the solidified porous carbon material is in the range of 0.2 to 0.4 grams/cm, preferably, 0.3 to 0.4 grams/cm. A value of a cumulative pore volume in the range of 0.05 to 5 &#x3bc;m in pore size based on a mercury press-in method is in the range of 0.4 to 1.2 cm, preferably, 0.5 to 1.0 cmper 1 gram of the solidified porous carbon material.

Solidified porous carbon material and method of manufacturing the same

A filter medium of the present invention includes a porous carbon material having a value of a specific surface area by a nitrogen BET method of 1&#xd7;10m/g or more, a volume of fine pores by a BJH method of 0.3 cm/g or more, and a particle size of 75 &#x3bc;m or more, alternatively, a porous carbon material having a value of a specific surface area by a nitrogen BET method of 1&#xd7;10m/g or more, a total of volumes of fine pores having a diameter of from 1&#xd7;10m to 5&#xd7;10m, obtained by a non-localized density functional theory method, of 1.0 cm/g or more, and a particle size of 75 &#x3bc;m or more.

A porous carbon material composite formed of a porous carbon material and a functional material and equipped with high functionality. The porous carbon material composite is formed of (A) a porous carbon material obtainable from a plant-derived material having a silicon (Si) content of 5 wt % or higher as a raw material; and (B) a functional material adhered on the porous carbon material, and has a specific surface area of 10 m/g or greater as determined by the nitrogen BET method and a pore volume of 0.1 cm/g or greater as determined by the BJH method and MP method.

Porous carbon material composites and their production process, adsorbents, cosmetics, purification agents, and composite photocatalyst materials

A carbon-polymer complex is provided and includes a porous carbon material and a binder, wherein the porous carbon material includes a material obtained from carbonization of a raw material including rice husk, the raw material having a silicon content of at least 5 wt %, the raw material is heat treated before carbonization, and the raw material is treated by an alkali treatment after carbonization to reduce the silicon content, the porous carbon material having a specific surface area of at least 10 m/g as measured by the nitrogen BET method, a pore volume of at least 0.1 cm/g as measured by the BJH method and MP method, and an R value of 1.5 or greater, wherein the porous carbon material includes mesopores having pore sizes from 2 nm to 50 nm and obtained from the alkali treatment of the raw material after carbonization, the porous carbon material further includes macropores and micropores.

Carbon-polymer complex

An air-metal secondary battery has an electrode including a porous carbon material, wherein the porous carbon material has a specific surface area of 280 m/g or more, preferably 700 m/g or more, more preferably 1,500 m/g or more, as determined by a nitrogen BET method, and the air-metal secondary battery has an average charging voltage of 4.4 V or less, preferably 4.3 V or less, more preferably 4.1 V or less.

Air-metal secondary battery

A porous carbon material is provided. The porous carbon material having a value of specific surface area of at least 10 m2/g as measured by a nitrogen BET method, a pore volume of at least 0.1 cm3/g as measured by a BJH method and a MP method, and a R value of 1.5 or greater, wherein the R value is expressed as R=B/A, wherein A is an intensity at an intersection between a baseline of a diffraction peak of a (002) plane as obtained based on powdery X-ray diffractometry of the porous carbon material and a perpendicular line downwardly drawn from the diffraction peak of the (002) plane, and wherein B is an intensity of the diffraction peak of the (002) plane.

Porous Carbon Material

By a process for producing a porous carbon material from a plant-derived material as a raw material, said process including carbonizing the plant-derived material at 800&#xb0; C. to 1,400&#xb0; C. and then applying a treatment with an acid or alkali, a porous carbon material having a value of specific surface area of at least 10 m/g as measured by the nitrogen BET method, a silicon content of at most 1 wt % and a pore volume of at least 0.1 cm/g is obtainable from a plant-derived material, which has a silicon content of at least 10 wt %, as a raw material. Also provided is a process for producing a porous carbon material equipped with excellent functionality so that the porous carbon material can be used, for example, as an anode material for batteries, an adsorbent, masks, adsorbing sheets, or carriers.

Porous carbon materials and production process thereof, and adsorbents, masks, adsorbing sheets and carriers

An electrode material for a secondary cell includes a porous carbon material having an absolute value of a differential value of a mass using a temperature as a parameter exceeding 0 at 360&#xb0; C. and being 0.016 or more at 290&#xb0; C. provided by thermally analyzing a mixture of the porous carbon material and Ssulfur at a mass ratio of 1:2.

Electrode material and secondary cell

[Object] To provide an adsorbent, an adsorbent sheet, and a carbon/polymer composite for adsorbing a virus having further improved virus adsorption capability. [Solving Means] An adsorbent for adsorbing a virus according to the present invention has a specific surface area value as measured by the nitrogen BET method of 10 m/g or more and a pore volume as measured by the BJH method of 0.1 cm/g or more. An adsorbent sheet for adsorbing a virus according to the present invention includes a porous carbonaceous material having a specific surface area value as measured by the nitrogen BET method of 10 m/g or more and a pore volume as measured by the BJH method of 0.1 cm/g or more. A carbon/polymer composite for adsorbing a virus according to the present invention includes a porous carbonaceous material having a specific surface area value as measured by the nitrogen BET method of 10 m/g or more and a pore volume as measured by the BJH method of 0.1 cm/g or more; and a binder.

Adsorbent for adsorbing virus and/or bacterium, carbon/polymer composite and adsorbent sheet

Provided is an electrode material for secondary batteries, including a porous carbon material being derived from a plant and having an average particle size of less than 4 &#x3bc;m.

Electrode material for secondary batteries and manufacturing method thereof, and secondary battery

An electrode includes a plant-derived porous carbon material. When a peak value of an O(1s) spectrum of the porous carbon material obtained by X-ray photoelectron spectroscopy is defined as P, and a peak value of a C(1s) spectrum thereof is defined as P, P/P&#x2266;0.05, or an oxygen-containing functional group has been removed from a surface of the plant-derived porous carbon material.

Electrode, method for manufacturing the same, and secondary battery

[Object]To provide an adsorbent, an adsorbent sheet, and a carbon/polymer composite for adsorbing a virus having further improved virus adsorption capability. [Solving Means] An adsorbent for adsorbing a virus according to the present invention has a specific surface area value as measured by the nitrogen BET method of 10 m/g or more and a pore volume as measured by the BJH method of 0.1 cm/g or more. An adsorbent sheet for adsorbing a virus according to the present invention includes a porous carbonaceous material having a specific surface area value as measured by the nitrogen BET method of 10 m/g or more and a pore volume as measured by the BJH method of 0.1 cm/g or more. A carbon/polymer composite for adsorbing a virus according to the present invention includes a porous carbonaceous material having a specific surface area value as measured by the nitrogen BET method of 10 m/g or more and a pore volume as measured by the BJH method of 0.1 cm/g or more; and a binder.

Growing community of inventors

Kanagawa, Japan

Seiichiro Tabata