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.


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.


Patent
Sumitomo Osaka Cement | Date: 2015-03-27

An object is to provide an optical modulator in which a light receiving element is disposed on a substrate configuring the optical modulator and which is capable of suppressing a decrease in the frequency bandwidth of the light receiving element even in a case in which two radiated lights from a combining part in a Mach-Zehnder type optical waveguide are received and monitored at the same time. The optical modulator includes a substrate 1, an optical waveguide including a Mach-Zehnder type optical waveguide formed in the substrate, and a modulation electrode (not illustrated) for modulating light waves that propagate through the optical waveguide, alight receiving element 5 is disposed to bridge over an output waveguide 24 configuring the Mach-Zehnder type optical waveguide so as to receive two radiated lights being radiated from a combining part in the Mach-Zehnder type optical waveguide, and, in the light receiving element, two or more light receiving areas (51 and 52) are formed apart from each other on a substrate of light receiving element 55.


Patent
Sumitomo Osaka Cement | Date: 2015-03-27

The purpose is to provide an optical waveguide element module which is to prevent deterioration of electric characteristics by decreasing discontinuity of electrical connection between an optical waveguide element and a connecting substrate (a relay substrate or a terminal substrate) without wire-bonding using long wires. An edge shape L of the signal electrode side of the ground electrode is set to be, in case of a plane view, located in an area surrounded by two shapes (L1, L2) of a shape L1 obtained by connecting an input end or an output end of a coordination x1 to a location at which a space between the ground electrodes becomes W2 using a straight line and a shape L2 of the edge which is constituted so that an impedance change of the control electrode (a signal electrode and ground electrodes) from the input end or the output end to the location at which the space between the ground electrodes becomes W2 is constant or continuously changes, and, furthermore, grounding wires which connect the optical waveguide element and the connecting substrate has a space between the grounding wires connected to the control electrode are larger than a space W1 between the ground electrodes.


To provide a positive electrode material for lithium ion secondary batteries capable of reducing waste loss, a method of producing the same, a positive electrode for lithium ion secondary batteries and a lithium ion secondary battery which contain the above-described positive electrode material for lithium ion secondary batteries. A positive electrode material for lithium ion secondary batteries, wherein the positive electrode material includes inorganic particles whose surfaces are coated with a carbonaceous film, the inorganic particles being represented by a formula LiFe_(x)Mn_(1-x-y)M_(y)PO_(4) (0.05x1.0, 0y0.14, where M represents at least one selected from the group consisting of Mg, Ca, Co, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, and rare earth elements), a specific surface area is 6 m^(2)/g to 20 m^(2)/g, a lightness L* is 0 to 40, and a chroma C* is 0 to 3.5.


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.


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.

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