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A conductive powder improving various performances as compared to conventional conductive powders is described. The conductive power includes conductive particles, each of which have a metal or alloy film formed on the surface of a core particle. The conductive particle has thereon protrusions protruding from the surface of the film. Each protrusion includes a particle chain including particles of the metal or alloy linked in a row. It is preferred that the metal or alloy is nickel or a nickel alloy. It is also preferred that the ratio of the total area of the exposed portions of the film to the projection area of the conductive particle is 60% or less.


Patent
Fuji Jukogyo Kabushiki Kaisha and Nippon Chemical Industrial Co. | Date: 2015-05-06

Provided is a lithium ion secondary battery having a large energy density and an improved capacity retention rate after repeated use even under high voltage application (cycle characteristics), and excellent in safety. A lithium ion secondary battery containing a negative electrode for reversibly intercalating and deintercalating lithium ions, a positive electrode containing lithium vanadium phosphate, and a non-aqueous electrolytic solution containing lithium fluoroethyl phosphate as an electrolyte can be obtained.


Patent
Nippon Chemical Industrial Co. | Date: 2015-03-24

There is provided an adsorbent material having adsorptive removal properties of Cs and Sr in seawater, and a method for producing a crystalline silicotitanate suitable for the adsorbent material. The adsorbent material includes one selected from crystalline silicotitanates represented by Na_(4)Ti_(4)Si_(3)O_(16).nH_(2)O, (Na_(x)K_((1-x)))_(4)Ti_(4)Si_(3)O_(16).nH_(2)O and K_(4)Ti_(4)Si_(3)O_(16)nH_(2)O wherein x represents a number of more than 0 and less than 1 and n represents a number of 0 to 8; and one selected from titanate salts represented by Na_(4)Ti_(9)O_(20).mH_(2)O, (Na_(y)K_((1-y)))_(4)Ti_(9)O_(20).mH_(2)O and K_(4)Ti_(9)O_(20).mH_(2)O wherein y represents a number of more than 0 and less than 1 and m represents a number of 0 to 10. The adsorbent material is produced by a method for producing a crystalline silicotitanate in which a silicic acid source, a sodium compound and/or a potassium compound, titanium tetrachloride, and water are mixed to obtain a mixed gel, and the mixed gel is subjected to a hydrothermal reaction.


Patent
Nippon Chemical Industrial Co. | Date: 2016-11-23

A method for producing a nonatitanate of an alkali metal, the method having: a first step for reacting an alkali metal hydroxide with titanium tetrachloride and producing Ti(OH)_(4); a second step for mixing the resulting Ti(OH)_(4) and an alkali metal hydroxide; and a third step for heating the mixture obtained in the second step, the alkali metal hydroxide being used so that the A/Ti molar ratio (A represents an alkali metal element) falls within a range of 1.0-5.0 in the second step, wherein a nonatitanate of an alkali metal can be produced economically.


Patent
Fuji Jukogyo Kabushiki Kaisha and Nippon Chemical Industrial Co. | Date: 2015-05-13

It is intended to provide an electric storage device that has excellent charging characteristics, particularly at a low temperature. Hence, provided is a nonaqueous solvent-based electric storage device containing as positive electrode active materials, at least one of a lithium nickel aluminum complex oxides and a spinel-type lithium manganese oxide active material having LiMn_(2)O_(4) as a basic structure, and lithium vanadium phosphate.


Patent
Nippon Chemical Industrial Co. | Date: 2015-02-18

A method for producing a nonatitanate of an alkali metal, the method having: a first step for reacting an alkali metal hydroxide with titanium tetrachloride and producing Ti(OH)_(4); a second step for mixing the resulting Ti(OH)_(4 )and an alkali metal hydroxide; and a third step for heating the mixture obtained in the second step, the alkali metal hydroxide being used so that the A/Ti molar ratio (A represents an alkali metal element) falls within a range of 1.0-5.0 in the second step, wherein a nonatitanate of an alkali metal can be produced economically.


Patent
Nippon Chemical Industrial Co. | Date: 2016-10-03

There are provided an adsorbent material excellent in the adsorptive removal properties of Cs and Sr also in seawater, and a method for producing a crystalline silicotitanate suitable for the adsorbent material. The adsorbent material according to the present invention comprises: at least one selected from crystalline silicotitanates represented by Na_(4)Ti_(4)Si_(3)O_(16).nH_(2)O, (Na_(x)K_((1-x)))_(4)Ti_(4)Si_(3)O_(16).nH_(2)O and K_(4)Ti_(4)Si_(3)O_(16).nH_(2)O wherein x represents a number of more than 0 and less than 1 and n represents a number of 0 to 8; and at least one selected from titanate salts represented by Na_(4)Ti_(9)O_(20).mH_(2)O, (Na_(y)K_((1-y)))_(4)Ti_(9)O_(20).mH_(2)O and K_(4)Ti_(9)O_(20).mH_(2)O wherein y represents a number of more than 0 and less than 1 and m represents a number of 0 to 10. The adsorbent material is suitably produced by a method for producing a crystalline silicotitanate in which a silicic acid source, a sodium compound and/or a potassium compound, titanium tetrachloride, and water are mixed to obtain a mixed gel, and the mixed gel is subjected to a hydrothermal reaction.


Patent
Nippon Chemical Industrial Co. | Date: 2016-11-30

There are provided an adsorbent material excellent in the adsorptive removal properties of Cs and Sr also in seawater, and a method for producing a crystalline silicotitanate suitable for the adsorbent material. The adsorbent material according to the present invention comprises: at least one selected from crystalline silicotitanates represented by Na_(4)Ti_(4)Si_(3)O_(16)nH_(2)O, (Na_(x)K_((1-x))4Ti_(4)Si_(3)O_(16)nH_(2)O and K_(4)Ti_(4)Si_(3)O_(16)nH_(2)O wherein x represents a number of more than 0 and less than 1 and n represents a number of 0 to 8; and at least one selected from titanate salts represented by Na_(4)Ti_(9)O_(20)mH_(2)O, (Na_(y)K_((1-y)))_(4)Ti_(9)O_(20)mH_(2)O and K_(4)Ti_(9)O_(20)mH_(2)O wherein y represents a number of more than 0 and less than 1 and m represents a number of 0 to 10. The adsorbent material is suitably produced by a method for producing a crystalline silicotitanate in which a silicic acid source, a sodium compound and/or a potassium compound, titanium tetrachloride, and water are mixed to obtain a mixed gel, and the mixed gel is subjected to a hydrothermal reaction.


Patent
Nippon Chemical Industrial Co. | Date: 2014-02-05

The purpose of the present invention is to provide an industrially advantageous method for producing -lithium aluminate which has physical properties that are suitable for use as an electrolyte holding plate of a MCFC having excellent thermal stability, even if the -lithium aluminate is a fine material having a BET specific surface area of 10 m^(2)/g or higher in particular. Provided is a method for producing -lithium aluminate characterized by subjecting a mixture (a), which is obtained by mixing transitional alumina and lithium carbonate at an Al/Li molar ratio of 0.95-1.01, to a first firing reaction so as to obtain a fired product, and subjecting a mixture (b), which is obtained by adding an aluminum compound to the obtained fired product at quantities whereby the molar ratio of aluminum atoms in the aluminum compound relative to lithium atoms in the fired product (Al/Li) is 0.001-0.05, to a second firing reaction.


Patent
Fuji Jukogyo Kabushiki Kaisha and Nippon Chemical Industrial Co. | Date: 2013-04-08

To provide an electric storage device that has excellent charging characteristics, particularly at a low temperature. Provided is a nonaqueous solvent-based electric storage device containing as positive electrode active materials, at least one of a lithium nickel aluminum complex oxides and a spinel-type lithium manganese oxide active material having LiMn_(2)O_(4 )as a basic structure, and lithium vanadium phosphate.

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