Kabushiki Kaisha Toshiba

Kenji Essaki

Takashi Kuboki

Takayuki Fukasawa

Tomokazu Morita

Yasuhiro Goto

Masahiro Kato

Kazuaki Nakagawa

Sawako Yoshikawa

Yasushi Hattori

Shinsuke Matsuno

Yumi Fukuda

Keiko Albessard

Maki Yonetsu

Koichi Harada

Yasuhiro Kato

Yasuyuki Hotta

Toshiro Hiraoka

Seiichi Suenaga

Toshihiro Imada

Takehiko Muramatsu

Mitsuhiro Oki

Miho Muramatsu

Toshiyuki Ohashi

Yumiko Kita

Noikazu Osada

Kato Masahiro

According to one embodiment, a structure according to the embodiment includes a β type silicon nitride type crystal phase and a YSiONtype crystal phase. In an X-ray diffraction pattern according to a θ-2θ method of the structure, a ratio of a second peak intensity being maximum and appearing at 2θ=31.93±0.1° with respect to a first peak intensity being maximum and appearing at 2θ=27.03±0.1° is 0.005 or more and 0.20 or less.

Structure and bonded body

A structure according to the embodiment includes a first crystal grain, a second crystal grain, and a first region. The first crystal grain includes silicon nitride. The second crystal grain includes a first element selected from a first group consisting of scandium, yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, aluminum, chromium, zirconium, magnesium, zinc, titanium, gallium, beryllium, calcium, strontium, barium, hafnium, vanadium, niobium, tantalum, tungsten, iron, cobalt, nickel, and copper, and oxygen. The first region includes an oxide of the first element.

Structure and circuit board

A structure includes: a &#x3b2; silicon nitride crystal phase; and a YMgSiON crystal phase. The structure gives a X-ray diffraction pattern by a &#x3b8;-2&#x3b8; method, the pattern having a ratio of a peak intensity of a (22-1) plane of the YMgSiON crystal phase to a peak intensity of a (200) plane of the &#x3b2; silicon nitride crystal phase, the peak intensity of the (200) plane being determined at a position of 2&#x3b8;=27.0&#xb1;1&#xb0;, the peak intensity of the (22-1) plane being determined at a position of 2&#x3b8;=30.3&#xb1;1&#xb0;, and the ratio being 0.001 or more and 0.01 or less.

Structure and joined composite

The embodiments provide a radiation detection material emitting fluorescence with high intensity and short lifetime, and also provide a radiation detection device. The polycrystalline radiation detection material of the embodiment is represented by the following formula (1)TlMRX&#x2003;&#x2003;(1).In the formula, M is at least one metal element selected form the group consisting of Ca, Sr, Ba and Mg; R is at least one luminescence center element selected form the group consisting of Ce, Pr, Yb and Nd; X is at least one halogen element selected form the group consisting of Cl, Br and F; and x, y and z are numbers satisfying the conditions of

Radiation detection material and radiation detection device

An electrode for a nonaqueous electrolyte battery of the embodiment includes a current collector; and an active material layer which includes an active material and is formed on the current collector. The active material layer includes at least one of a silicon particle and a silicon oxide particle. The active material layer has a plurality of cracks extending in a thickness direction of the active material layer.

Electrode for nonaqueous electrolyte battery, nonaqueous electrolyte battery including the same, and battery pack

An active material of an embodiment for a nonaqueous electrolyte battery includes a complex. The complex includes a covering material including an M-O&#x2014;C mixed body; and particles including at least one element of M. The particles are included in the covering material. The M includes at least one element selected from the group consisting of; Si, Sn, Al, and Ti. The particles including the at least one element of M include the at least one element of M or an alloy including the at least one element of M. The M-O&#x2014;C mixed body includes at least three elements of M, O, and C. The M-O&#x2014;C mixed body includes a point at which the following conditional expressions: 0.6&#x2264;M/O&#x2264;5 (molar ratio) and 0.002&#x2264;M/C&#x2264;0.1 (molar ratio) are simultaneously satisfied. The M-O&#x2014;C mixed body includes the at least three elements of M, O, and C in a region excluding the particles including the at least one element of M when elementary composition analysis of the complex is performed by TEM-EDX with a beam diameter of 1 nm.

Active material for nonaqueous electrolyte battery, electrode for nonaqueous electrolyte battery, nonaqueous electrolyte secondary battery, battery pack, method of manufacturing active material for nonaqueous electrolyte battery, and vehicle

A negative electrode active material of an embodiment for a nonaqueous electrolyte battery includes silicon or silicon oxide including silicon inside, a carbonaceous substance containing the silicon or the silicon oxide including silicon inside, and a phase including a silicate compound and a conductive assistant, the phase being interposed between the silicon or the silicon oxide including silicon inside and the carbonaceous substance. The silicate compound is a complexed oxide including an oxide including at least one element selected from the group consisting of; an alkaline earth element, a transition metal element, and a rare-earth element and a silicon oxide.

Electrode for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, battery pack, and vehicle

An active material for a nonaqueous electrolyte battery according to the embodiment is a composite including at least: a carbonaceous substance; and silicon-containing particles dispersed in the carbonaceous substance, the silicon-containing particles including at least one of silicon, a silicon alloy and a silicon oxide, wherein in an argon ion laser Raman spectrum, the half-width (&#x394;G) of a peak having a maximum intensity Iin the range of 1575 cmor more and 1625 cmor less is 100 cmor more and 150 cmor less, and the intensity ratio of a peak having a maximum intensity Iin the range of 500 cmor more and 550 cmor less to the peak having the maximum intensity Iin the range of 1575 cmor more and 1625 cmor less (I/I) is 0.25 or more and 0.50 or less.

Active material for nonaqueous electrolyte battery, electrode for nonaqueous electrolyte battery, nonaqueous electrolyte secondary battery and battery pack

An electrode material for a nonaqueous electrolyte battery that includes a composite particle that contains a silicon dioxide particle having an average primary particle size of D, a silicon particle having an average primary particle size of D, and a carbon material, where Dis 5 nm or more and 80 nm or less and the ratio D/Dis 0.3 or more and 8 or less.

Electrode material for nonaqueous electrolyte battery, electrode for nonaqueous electrolyte battery, nonaqueous electrolyte battery including the same, and battery pack

The active material for a nonaqueous electrolyte secondary battery of the present embodiment includes a core particle and a carbon layer. The core particle is formed of silicon particles having a twinned crystal in part of a surface. The carbon layer coats the core particle.

Active material, electrode, nonaqueous electrolyte secondary battery, battery pack and production method of active material

A fuel synthesis catalyst of an embodiment for hydrogenating a gas includes at least one selected from the group consisting of; carbon dioxide and carbon monoxide, the catalyst comprising, an oxide base material containing at least one oxide selected from the group consisting of; AlO, MgO, TiO, and SiO, first metal particles containing at least one metal selected from the group consisting of; Ni, Co, Fe, and Cu and brought into contact with the oxide base material, and a porous oxide layer containing at least one selected from the group consisting of; CeO, ZrO, TiO, and SiOand having an interface with each of the first metal particles and the oxide base material.

Fuel synthesis catalyst and fuel synthesis system

A fuel synthesis catalyst of an embodiment for hydrogenating a gas includes at least one selected from the group consisting of; carbon dioxide and carbon monoxide, the catalyst comprising, a base material containing at least one oxide selected from the group consisting of; AlO, MgO, TiO, and SiO, first metals containing at least one metal selected from the group consisting of; Ni, Co, Fe, and Cu and brought into contact with the base material, and a first oxide containing at least one selected from the group consisting of; CeO, ZrO, TiO, and SiOand having an interface with each of the first metals and the base material. The first metals exist on an outer surface of the base material, and on a surface of the base material in fine pores having opening ends on the outer surface of the base material and inside the base material. The first metals and the first oxide exist in the fine pores. The first metals have interfaces with the base material in the fine pores. The first metals exist inside the base material.

An electrode material for nonaqueous electrolyte secondary battery of an embodiment includes a silicon nanoparticle, and a coating layer coating the silicon nanoparticle. The coating layer includes an amorphous silicon oxide and a silicon carbide phase. At least a part of the silicon carbide phase exists on a surface of the silicon nanoparticle.

Electrode material for nonaqueous electrolyte secondary battery, electrode for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery

There is provided a negative electrode material for non-aqueous electrolyte secondary batteries, the negative electrode material being a silicon oxide represented by the composition formula, SiO, containing silicon and silicon oxide, in which x satisfies the relation of 0.1&#x2266;x&#x2266;0.8; the silicon oxide contains crystalline silicon; among the particles of crystalline silicon having a diameter of 1 nm or greater, the proportion by number of particles having a diameter of 100 nm or less is 90% or greater; and the BET specific surface area of the silicon oxide is larger than 100 m/g.

Negative electrode material for non-aqueous electrolyte secondary battery, negative electrode active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery

A method of regenerating an absorbent includes preparing a reactor having a gas inlet portion and a discharge portion, filling the reactor with a reforming catalyst and an absorbent for absorbing carbon dioxide, feeding the feedstock gas and the steam via the gas inlet portion to the reactor to allow a steam reforming reaction to take place, allowing the absorbent to absorb carbon dioxide generated with hydrogen at the steam reforming reaction, and releasing the carbon dioxide from the absorbent after the carbon dioxide absorption capacity of the absorbent has been degraded. In this method, the temperature in an inside of the reactor is set to 625&#xb0; C. or more at the release of the carbon dioxide, and an inert gas is fed via the discharge portion to the reactor.

Growing community of inventors

Kawasaki, Japan

Kenji Essaki