Osaka, Japan
Osaka, Japan

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An electrode material for a lithium-ion rechargeable battery of the present invention is an electrode material for a lithium-ion rechargeable battery formed by coating a surface of an electrode active material represented by General Formula LiFe_(x)Mn_(1-x-y)M_(y)PO_(4) (here, M represents at least one element selected from Mg, Ca, Co, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, and rare earth elements, 0.05x1.0, 0y0.14) with a carbonaceous film, in which an angle of repose is in a range of 35 or more and 50 or less.


A porous semiconductor layer contains anatase-type titanium oxide particles (A) which have an average primary particle size of 1 nm to 70 nm, and particles (B) obtained by coating surfaces of rutile-type titanium oxide particles, which have an average primary particle size of 100 nm to 1,000 nm, with an insulating material.


Provided are a silicon oxide-coated zinc oxide, a method for producing the same, a composition and a cosmetic including a silicon oxide-coated zinc oxide. The silicon oxide-coated zinc oxide is a silicon oxide-coated zinc oxide formed by coating surfaces of zinc oxide particles with a silicon oxide coat, in which an average particle diameter of the zinc oxide particles is in a range of more than 50 nm and 500 nm or less, and, when an abundance ratio of silicon in the silicon oxide coat in a Q^(3) environment is indicated by Q^(3), and an abundance ratio in a Q^(4) environment is indicated by Q^(4), Q^(3)+Q^(4)0.6 and Q^(4)/(Q^(3)+Q^(4))0.5 are satisfied.


Provided are an electrode material for a lithium-ion rechargeable battery including core particles of an active material and a carbonaceous film, in which a powder resistance is 150 cm or less, and a lithium-ion rechargeable battery produced using the electrode material and a lithiummetal exhibits a difference between a sum of a charge capacity with an upper limit voltage of 4.2 V and the lithium-ion rechargeable battery charged at a constant current and a charge capacity with the lithium-ion rechargeable battery charged at a constant voltage for seven days at 4.2 V after the constant current charging and a discharge capacity with the lithium-ion rechargeable battery discharged at a constant current to 2 V after the constant voltage charging reaches 25 mAh/g or less, a method for manufacturing the electrode material, an electrode including the electrode material, and a lithium-ion rechargeable battery including the electrode as a cathode.


A dolomite-based adsorbent for heavy metal, halogen and metalloid is half-fired dolomite, and a content of a residual CaMg(CO_(3))_(2 )phase in the half-fired dolomite, which is analyzed using a Rietveld method by means of powder X-ray diffraction, is 0.4x35.4 (wt %), and preferably, the dolomite-based absorbent for heavy metal, halogen and metalloid further comprises ferrous sulfate.


A dolomite-based material having a high specific surface area of the present invention is half-fired dolomite in which a content of a residual CaMg(CO_(3))_(2 )phase in the half-fired dolomite, which is analyzed using a Rietveld method by means of powder X-ray diffraction, is 0.435.4 (wt %), and, when the content of the residual CaMg(CO_(3))_(2 )phase in the fired-dolomite is maintained at 0.435.4 (wt %), the dolomite-based material maintains quality of having a high specific surface area.


Patent
Sumitomo Osaka Cement | Date: 2016-03-28

[Task] Reduction in crosstalk between signal electrodes. [Means for Resolution] An optical modulator 1 includes a relay substrate 3 including a substrate portion 30, and signal electrodes 31 and 32, and a ground electrode 33 which are provided on the substrate portion 30, and an optical waveguide substrate 4 including an electrode-optical substrate 40, signal electrodes 431 and 432, and an optical waveguide 42 which are provided on the electro-optical substrate 40. Modulation signals are input from ends 31a and 32a on one side of the signal electrodes 31 and 32, the other end 31b of the signal electrode 31 is electrically connected to the signal electrode 431, the other end 32b of the signal electrode 32 is electrically connected to the signal electrode 432, an optical wave, which propagates through the optical waveguide 42, is modulated by the modulation signals which propagate through the signal electrodes 431 and 432, the ground electrode 33 is provided between the signal electrodes 31 and 32, and the relay substrate 3 includes a first adjacent portion 44 at which the signal electrodes 31 and 32 are adjacent to each other, and a through-hole 30g that is provided in the ground electrode 33 at the first adjacent portion 44.


Patent
Sumitomo Osaka Cement | Date: 2016-09-30

To provide an optical device sealing structure capable of simply sealing an optical fiber inserting portion. Provided is a structure that seals an optical device including a metallic case having an optical element disposed therein and an optical fiber inserted through a through hole of the case, wherein a Zn-containing surface is formed on a surface of a bare fiber portion that is formed by partly removing a coating of the optical fiber so as to expose a bare fiber, and wherein an Sn-containing sealing material is charged between the Zn-containing surface and an inner wall of the through hole.


Patent
Sumitomo Osaka Cement | Date: 2016-03-30

A cathode material which does not easily deteriorate when used in batteries, a method for producing cathode materials, a cathode, and a lithium ion battery are provided. A cathode material including a cathode active material, in which the cathode active material is expressed by Li_(1+x)A_(y)D_(z)PO_(4) (here, A represents one or more metal elements selected from the group consisting of Co, Mn, Ni, Fe, Cu, and Cr, D represents one or more metal elements selected from the group consisting of Mg, Ca, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, Sc, Y, and rare earth elements, 0


Patent
Sumitomo Osaka Cement | Date: 2016-01-21

Provided is an optical control element including a lithium niobate substrate, optical waveguides formed on the substrate, and electrodes for controlling light waves propagating through the optical waveguide, in which a temperature control element for substrate for controlling the temperature of the substrate is provided, and the temperature of the substrate is controlled using the temperature control element for substrate to be maintained at a temperature that is equal to or higher than a predetermined lower limit of temperature at which generation of a photo-refractive effect due to light propagating through the optical waveguide is suppressed and is equal to or lower than 80 C.

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