Kabushiki Kaisha Toshiba

Toshiba Energy Systems & Solutions Corporation

Toshiba Materials Co., Ltd.

Kabushiki Kaihsa Toshiba

Takashi Kuboki

Tomokazu Morita

Norio Takami

Shinsuke Matsuno

Takayuki Fukasawa

Kenji Essaki

Asato Kondo

Hidesato Saruwatari

Akiko Suzuki

Yasuyuki Hotta

Mitsuru Udatsu

Shinji Murai

Takashi Kishi

Reiko Yoshimura

Yoshihiko Nakano

Tomohiro Yamashita

Takahiro Kawamoto

Hideki Satake

Tomoko Eguchi

Takahisa Ohsaki

Toshihiro Imada

Hiromichi Kuriyama

Hiroko Watando

Kenji Sano

Yasuhiro Goto

Hiroki Inagaki

Satoshi Saito

Dai Yamamoto

Shuji Yamada

Motoya Kanda

Hiroyuki Hasebe

Norikazu Osada

Asako Sato

Yasuhiro Kato

Toshiro Hiraoka

Yoshinao Tatebayashi

Keiko Okamoto

Yoshiyuki Isozaki

Mariko Hayashi

Takehiko Muramatsu

Sara Yoshio

Hayato Seki

Yukishige Maezawa

Miho Muramatsu

Tsuyoshi Kobayashi

Satoshi Mikoshiba

Akiko Saito

Naomi Shida

Seiichi Suenaga

Masaya Hagiwara

Mitsuhiro Oki

Wataru Uno

Yumiko Kita

Noikazu Osada

A secondary battery that includes: a positive electrode containing a positive electrode active material; a negative electrode; a separator arranged between the positive electrode and the negative electrode; and a first aqueous electrolyte held in at least the positive electrode. pH of the first aqueous electrolyte is more than 7. The positive electrode active material contains a lithium-containing compound that exhibits an average operating potential of less than 4.0 V based on lithium metal.

Secondary battery, battery pack, and vehicle

A method may produce a heat regenerating material particle, including: preparing a slurry by adding a powder of the heat regenerating substance to an alginic acid aqueous solution and mixing the powder of the heat regenerating substance and the aqueous alginic acid solution; and forming a particle by gelling the slurry by dropping the slurry into a gelling solution. The gelling solution may include a metal element including calcium (Ca), manganese (Mn), magnesium (Mg) beryllium (Be), strontium (Sr), aluminum (Al), iron (Fe), copper (Cu), nickel (Ni), and cobalt (Co). The forming may involve controlling the gelation time so that a concentration of the metal element in a first region of the particle becomes lower than a concentration of the metal element in a second region. The second region may be closer to an outer edge of the particle compared to the first region.

Method for producing a heat regenerating material particle

A method may produce a two-stage heat regenerating cryogenic refrigerator including a vacuum vessel, first and second cylinder disposed in the vessel, the second cylinder coaxially connected to the first cylinder, and first and second regenerator respectively disposed in the first and second cylinder. The method may include: accommodating a first heat regenerating material (HRM) in the first regenerator; and filling a plurality of HRM particles in the second regenerator. The HRM particles may be a second HRM, each of the HRM particles including an oxide or oxysulfide heat regenerating substance having a maximum value of specific heat at a temperature of ≤20 K of 0.3+ J/cm·K and Ca, Mn, Mg, Be, Sr, Al, Fe, Cu, Ni, and/or Co. Each of the HRM particles may include a first and second region, the second region being closer to an HRM particle outer edge than the first region.

Method for producing a two-stage heat regenerating cryogenic refrigerator

A superconducting coil of embodiments includes a substrate having a curved surface, a superconducting wire wound on the curved surface, the superconducting wire having a first region and a second region facing the first region, a first resin layer surrounding the superconducting wire and including a plurality of first particles and first resin surrounding the first particles, and a second resin layer positioned between the first region and the second region, the second resin layer covering the first resin layer and including a plurality of second particles and second resin surrounding the second particles and being made of material different from material of the first resin.

Superconducting coil, superconducting device, and superconducting wire rod for superconducting coil

A two-stage heat regenerating cryogenic refrigerator may include: a vacuum vessel; a first and second cylinder in the vessel; the second cylinder coaxially connected to the first cylinder; a 1regenerator in the first cylinder and accommodating heat regenerating material (HRM) 1; and a second regenerator in the 2cylinder accommodating HRM 2, HRM 2 including HRM particles, each HRM particle including a metal element and a heat regenerating substance including an oxide or oxysulfide and having a maximum specific heat at &#x2264;20 K of &#x2265;0.3 J/cm&#xb7;K; each HRM particle including a 1and 2region, the 2region being closer to each HRM particle's outer edge than the 1, and the 2region having a higher metal element concentration than the 1, the 1and 2region containing the heat regenerating substance.

Two-stage heat regenerating cryogenic refrigerator

According to one embodiment, a secondary battery () including a positive electrode (), a negative electrode (), a first electrolyte (), and a second electrolyte (). The negative electrode () includes a lithium titanium oxide having a degree of proton substitution of 0.01 to 0.2. The first electrolyte () includes water and in contact with the positive electrode (). The second electrolyte () includes water and in contact with the negative electrode ().

Secondary battery, battery pack, vehicle, and stationary power supply

According to one embodiment, there is provided a non-aqueous electrolyte secondary battery including a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, and a non-aqueous electrolyte. At least one of the positive electrode active material layer and the negative electrode active material layer contains carbon dioxide and releases the carbon dioxide in the range of 0.1 ml to 10 ml per 1 g when heated at 350&#xb0; C. for 1 minute.

Non-aqueous electrolyte secondary battery

A superconducting coil of an embodiment includes a winding frame; a superconducting wire wound around the winding frame, the superconducting wire including a first region and a second region facing the first region; and a first layer placed between the first region and the second region, the first layer including a first particle and a thermosetting resin, the first particle including crystal having volume resistivity equal to or higher than 10&#x3a9;&#xb7;m and having cleavage, and the thermosetting resin surrounding the first particle.

Superconducting coil and superconducting device

The embodiments provide an acidic gas absorbent kept from deterioration, an acidic gas removal method using the absorbent, and an acidic gas removal apparatus using the same. The acidic gas absorbent contains an amine compound and water, and further contains superfine bubble containing inert gas wherein an average diameter of said superfine bubble is 150 nm or less. The acidic gas removal method provided here employs that absorbent. The acidic gas removal apparatus is equipped with a unit for introducing the superfine bubbles into the absorbent.

Acidic gas absorbent, acidic gas removal method and acidic gas removal apparatus

A heat regenerating material particle of an embodiment contains a heat regenerating substance having a maximum value of specific heat at a temperature of 20 K or less is 0.3 J/cm&#xb7;K or more, and one metal element selected from the group consisting of calcium (Ca), magnesium (Mg), beryllium (Be), strontium (Sr), aluminum (Al), iron (Fe), copper (Cu), nickel (Ni), and cobalt (Co). The heat regenerating material particle includes a first region and a second region, the second region is closer to an outer edge of the heat regenerating material particle than the first region, and the second region has a higher concentration of the metal element than the first region.

Heat regenerating material particle, regenerator, refrigerator, superconducting magnet, nuclear magnetic resonance imaging device, nuclear magnetic resonance device, cryopump, and single-crystal pulling device of magnetic-field application type

The embodiments provide an acidic gas absorbent having low diffusibility, an acidic gas removal method, and an acidic gas removal apparatus. The acidic gas absorbent according to the embodiment comprises: an amine compound having a vapor pressure of 0.001 to 10 Pa at 20&#xb0; C.; a water-soluble polymer compound having a mass-average molecular weight of 900 to 200000 and not containing a functional group having a pKa value greater than 7 except for hydroxy; and water.

A heat regenerating material particle according to an embodiment includes a plurality of heat regenerating substance particles having a maximum volume specific heat value of 0.3 J/cm&#xb7;K or more at a temperature of 20 K or lower, and a binder bonding the heat regenerating substance particles, the binder containing water insoluble resin. The heat regenerating material particle has a particle diameter of 500 &#x3bc;m or less.

Heat regenerating material, regenerator, refrigerator, superconducting magnet, nuclear magnetic resonance imaging apparatus, nuclear magnetic resonance apparatus, cryopump, and magnetic field application type single crystal pulling apparatus

The embodiments provide an acidic gas absorbent, an acidic gas removal method using the absorbent, and an acidic gas removal apparatus using the absorbent. The absorbent absorbs an acidic gas in a large amount and is hardly diffused. The acidic gas absorbent according to the embodiment comprises an amine compound represented by the following formula (1): 

According to one embodiment, there is provided a non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode including a negative electrode active material layer, and a non-aqueous electrolyte. The negative electrode active material layer contains carbon dioxide and releases the carbon dioxide in the range of 0.1 ml to 5 ml per 1 g when heated at 200&#xb0; C. for 1 minute.

Non-aqueous electrolyte secondary battery and production method thereof

A carbon dioxide absorbent of an embodiment includes a heterocyclic amine expressed by Formula (1), and the heterocyclic amine having a pKa of any one amino group included in a heterocyclic ring in Formula (1) in a range of 7.0 or more to 8.6 or less and an organic solvent having a boiling point of 150&#xb0; C. or more at 1 atm. A total mass of the heterocyclic amine and the organic solvent is 70 mass % or more to 100 mass % or less of the carbon dioxide absorbent. Each of Rto Rin Formula (1) is H, oxygen double-bonded with carbon of the heterocyclic ring, CH, OH, or an alkyl chain optionally including a functional group. Xin Formula (1) is H, CH, CO, C(O)OCH, C(O)OCH, C(O)OCH(CH), C(O)OC(CH), C(O)OCH, C(O)CH, or C(O)CH.

Carbon dioxide absorbent and apparatus of separating and recovering carbon dioxide

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Tokyo, Japan

Takashi Kuboki