227 patents
Page 5 of 12
Utility
Surface-treated Infrared-absorbing Fine Particles, Surface-treated Infrared-absorbing Fine Particle Powder, Infrared-absorbing Fine Particle Dispersion In Which Said Surface-treated Infrared-absorbing Fine Particles Are Used, Infrared-absorbing Fine Particle Dispersoid, and Infrared-absorbing Substrate
17 Mar 22
Provided are surface-treated infrared-absorbing fine particles that are infrared-absorbing fine particles each having a crystallite size greater than or equal to 30 nm and a surface that is coated with a coating layer that contains at least one selected from a hydrolysis product of a metal chelate compound, a polymer of the hydrolysis product of the metal chelate compound, a hydrolysis product of a metal cyclic oligomer compound, and a polymer of the hydrolysis product of the metal cyclic oligomer compound.
Hirofumi TSUNEMATSU, Takeshi CHONAN
Filed: 12 Dec 19
Utility
Froth Bubble Moving Speed Measuring Device and Method of Measuring Froth Bubble Moving Speed, Flotation Apparatus and Flotation Method Using Same
10 Mar 22
A froth bubble moving speed measuring device includes a light source configured to illuminate an upper surface of a flotation tank, an imaging unit configured to capture at least a part of the upper surface of the flotation tank, and an arithmetic processing unit configured to calculate a moving speed of a froth bubble by calculating a moving distance of the froth bubble based on the image processed by the image processing unit.
Jun SUGIHARA
Filed: 16 Nov 21
Utility
txhdmicc2l8nwdkicwxb42rthezy7k7js56u01ume
10 Mar 22
A positive electrode active material precursor for a nonaqueous electrolyte secondary battery is provided that includes a nickel-cobalt-manganese carbonate composite represented by general formula NixCoyMnzMtCO3 (where x+y+z+t=1, 0.05≤x≤0.3, 0.1≤y≤0.4, 0.55≤z≤0.8, 0≤t≤0.1, and M denotes at least one additional element selected from a group consisting of Mg, Ca, Al, Ti, V, Cr, Zr, Nb, Mo, and W) and a hydrogen-containing functional group.
Satoshi MATSUMOTO, Kazuomi RYOSHI, Kikoo UEKUSA
Filed: 17 Nov 21
Utility
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24 Feb 22
Provided is a production method and a production apparatus that increase a throughput of nickel sulfate per equipment.
Hitoshi ISHIDA
Filed: 23 Oct 19
Utility
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17 Feb 22
A method of producing organic-inorganic hybrid infrared absorbing particles includes a dispersion liquid preparing step of preparing a dispersion liquid containing infrared absorbing particles, a dispersant, and a dispersion medium; a dispersion medium removing step of removing the dispersion medium from the dispersion liquid by an evaporation; a raw material mixture liquid preparing step of preparing a raw material mixture liquid containing the infrared absorbing particles collected after the dispersion medium removing step, a coating resin material, an organic solvent, an emulsifying agent, water, and a polymerization initiator; a stirring step of stirring the raw material mixture liquid while cooling; and a polymerizing step of polymerizing the coating resin material after deoxygenation treatment which reduces an amount of oxygen in the raw material mixture liquid.
Hirofumi TSUNEMATSU, Takeshi CHONAN, Atsushi TOFUKU, Seigou KAWAGUCHI, Naohiro KOBAYASHI
Filed: 16 Dec 19
Utility
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17 Feb 22
A positive electrode active material containing a lithium metal composite oxide composed of secondary particles formed by aggregated primary particles, comprising lithium, at least one metal element and at least one additive element, the lithium metal composite oxide having a crystal structure of layered rock salt structure and the metal element including nickel in a content of 60 to 90 atomic percent and the additive element including boron in content of more than 1.0 atomic percent and 6.0 atomic percent or less, the nickel content and the boron content each with respect to the sum of the metal element and the additive element, the porosity of the secondary particles being 8% or more and 20% or less; a non-aqueous electrolyte secondary battery containing the positive electrode active material; and a process for producing the positive electrode active material.
Jun SUZUKI, Koji YAMAJI
Filed: 1 Nov 21
Utility
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10 Feb 22
Provided are a positive electrode active material with which a nonaqueous electrolyte secondary battery having a high energy density can be obtained, a nickel-manganese composite hydroxide suitable as a precursor of the positive electrode active material, and production methods capable of easily producing these in an industrial scale.
Haruki Kaneda, Yuki Koshika, Takaaki Ando
Filed: 26 Oct 21
Utility
3l65l6s4duibbjuk3amubvwhlk54xte8gx1ccgfcit4ahs
10 Feb 22
A positive electrode active material for a lithium ion secondary battery contains a lithium metal composite oxide.
Takahiro TOMA, Takahiro OGAWA, Yoshiyuki MATSUURA, Kazuomi RYOSHI
Filed: 26 Feb 20
Utility
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10 Feb 22
A positive electrode active material for a lithium ion secondary battery contains a lithium metal composite oxide.
Takahiro TOMA, Takahiro OGAWA, Yoshiyuki MATSUURA, Kazuomi RYOSHI
Filed: 26 Feb 20
Utility
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10 Feb 22
An electromagnetic wave absorbing laminated transparent base material includes a plurality of sheets of transparent base materials; and an electromagnetic wave absorbing particle dispersoid including at least electromagnetic wave absorbing particles and a thermoplastic resin.
Mika OKADA, Katsushi ONO, Satoshi YOSHIO, Kenji ADACHI, Keisuke MACHIDA
Filed: 22 Oct 21
Utility
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3 Feb 22
A main object of the present disclosure is to provide an all solid state battery with good capacity property.
Hideaki Nishimura, Yohei Shindo, Masaru Kuboto, So Yubuchi, Hitomi Nakamura, Ryousuke Okamoto, Kazuhide Hayashi, Mikako Touma
Filed: 22 Jul 21
Utility
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27 Jan 22
Provided is a method for producing a lithium-containing solution that prevents the dissolution of the whole lithium manganese oxide while maintaining the efficiency of an elution step.
Masatoshi TAKANO, Satoshi ASANO, Osamu IKEDA, Shin-ya MATSUMOTO, Yohei KUDO
Filed: 6 Dec 19
Utility
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23 Dec 21
A method for producing a metal composite hydroxide, which includes a first crystallization process of supplying a first raw material aqueous and performing a crystallization reaction and a second crystallization process of supplying a second raw material aqueous solution containing a more amount of tungsten than the first raw material aqueous solution and performing a crystallization reaction to form a tungsten-concentrated layer and in which switching of reaction atmosphere from either atmosphere of a non-oxidizing atmosphere or an oxidizing atmosphere to the other atmosphere is performed two or more times in particle growth and the time for supplying the second raw material aqueous solution into the reaction tank in the non-oxidizing atmosphere is 50% or more with respect to the entire time for supplying the second raw material aqueous solution into the reaction tank.
Tetsutaro Hayashi, Shinsuke Suganuma, Shuuzou Ozawa
Filed: 21 Oct 19
Utility
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23 Dec 21
Provided are: a nonaqueous electrolyte secondary battery positive electrode active material that has high crystallinity, that causes less amount of Mn deposition on a negative electrode, and that can form a secondary battery having excellent cycle characteristics; and a nonaqueous electrolyte secondary battery using the nonaqueous electrolyte secondary battery positive electrode active material.
Tatsuya Takahashi, Ryosuke Okamoto
Filed: 1 Sep 21
Utility
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9 Dec 21
An infrared absorbing material fine particle dispersion liquid including infrared absorbing material fine particles and a solvent, the infrared absorbing material fine particles containing fine particles of composite tungsten oxide represented by a general formula MxWOy, the solvent containing water, wherein an absolute value of a zeta potential of the infrared absorbing material fine particle dispersion liquid is 5 mV or more and 100 mV or less.
Keiichi SATO, Kenji FUKUDA, Yukihiro KOYAMA, Hiroki NAKAYAMA, Hideaki FUKUYAMA
Filed: 27 Aug 19
Utility
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9 Dec 21
A metal composite hydroxide represented by a general formula (1): Ni1−x−yCoxMnyMz(OH)2+α (where 0.02≤x≤0.3, 0.02≤y≤0.3, 0≤z≤0.05, and −0.5≤α≤0.5 are satisfied and M is at least one element selected from the group consisting of Mg, Ca, Al, Si, Fe, Cr, V, Mo, W, Nb, Ti, and Zr), in which the metal composite hydroxide contains a first particle having a core portion inside the particle and a shell portion formed around the core portion and [(D90−D10)/MV] is 0.80 or more.
Takahiro Toma, Haruki Kaneda, Yuki Koshika
Filed: 20 Feb 19
Utility
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25 Nov 21
A metal composite hydroxide represented by a general formula (1): Ni1−x−yCoxMnyMz(OH)2+a, in which [(D90−D10)/MV] is 0.80 or more, the metal composite hydroxide contains a first particle having a core portion inside the particle and a shell portion formed around the core portion and a second particle having a uniform composition inside the particle, and the second particle has a similar composition to the shell portion and accounts for 60% or more of a total number of particles of 4 μm or less in the metal composite hydroxide.
Takahiro Toma, Haruki Kaneda, Yuki Koshika
Filed: 20 Feb 19
Utility
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21 Oct 21
Provided is a more efficient dry refining process for improving the recovery rate of phosphorus-free valuable metals from waste lithium ion batteries.
Yu Yamashita, Ryo Togashi
Filed: 11 Jul 19
Utility
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7 Oct 21
A positive electrode active material for a lithium ion secondary battery containing lithium nickel manganese complex oxide particles, wherein the lithium nickel manganese complex oxide particles are composed of secondary particles in which primary particles of a lithium nickel manganese complex oxide represented by a general formula LidNi1-a-b-cMnaMbZrcO2+α (where M is at least one element selected from Co, W, Mo, Mg, Ca, Al, Ti, Cr, and Ta, and is 0.05≤a<0.60, 0≤b<0.60, 0.00003≤c≤0.03, 0.05≤a+b+c≤0.60, 0.95≤d≤1.20, and −0.2≤α≤0.2), wherein at least a portion of zirconium is dispersed in the primary particle, and wherein an amount of a positive active material for a lithium ion secondary battery in which an amount of excessive lithium determined by a neutralization titration method is 0.02 mass % or more and 0.09 mass % or less.
Takuma NAKAMURA, Haruki KANEDA, Yuki KOSHIKA
Filed: 31 Jul 19
Utility
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30 Sep 21
To provide a cathode active material capable of reducing cathode resistance of a secondary battery by enhancing electron conductivity thereof without reducing discharge capacity of the secondary battery.
Satoshi Kanada, Tetsutaro Hayashi, Ryuta Sugiura
Filed: 3 Jul 19