227 patents
Page 3 of 12
Utility
Near-infrared Absorbing Material Particles, Near-infrared Absorbing Material Particle Dispersing Solution, and Near-infrared Absorbing Material Particle Dispersion
26 Jan 23
Near-infrared absorbing material particles contain composite tungsten oxide particles represented by a general formula MxWyOz, wherein the element M is one or more of elements selected from H, He, an alkali metal, an alkaline earth metal, a rare earth element, Mg, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Al, Ga, In, Tl, Si, Ge, Sn, Pb, Sb, B, F, P, S, Se, Br, Te, Ti, Nb, V, Mo, Ta, Re, Be, Hf, Os, Bi, and I, wherein the W is tungsten, wherein the O is oxygen, and wherein the x, y, and z satisfy 0.001≤x/y≤1 and 3.0<z/y.
Akinari NOSHITA, Hiroki NAKAYAMA, Takahisa KAWANO, Takeshi CHONAN
Filed: 24 Dec 20
Utility
Nickel Composite Hydroxide and Manufacturing Method Thereof, Cathode Active Material for Nonaqueos-electrolyte Secondary Battery and Manufacturing Method Thereof, and Nonaqueous-electrolyte Secondary Battery
22 Dec 22
Provided are a cathode active material having a suitable particle size and high uniformity, and a nickel composite hydroxide as a precursor of the cathode active material.
Atsushi FUKUI, Katsuya INOUE, Shuhei ODA, Hiroyuki TOYA
Filed: 29 Aug 22
Utility
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22 Dec 22
In a bubble measurement device for measuring bubbles moving in a liquid, the bubble measurement device includes a measurement chamber in which the bubbles in the liquid containing solid materials are introduced into the measurement chamber from below the measurement chamber, and providing a transparent slope facing diagonally downward at a position where the introduced bubbles rise, an image capturing device to capture an image of the bubbles passing the transparent slope, an introduction pipe provided below the measurement chamber to introduce the bubbles into the measurement chamber, and a bubble introduction valve that is immersed in the liquid to be measured and performs the introduction and blocking of the bubbles into the introduction pipe.
Yoshihiko NAKAO, Shintaro ISHIKAWA
Filed: 24 Aug 22
Utility
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15 Dec 22
Provided are a nickel-manganese composite hydroxide capable of producing a secondary battery having a high particle fillability and excellent battery characteristics when used as a precursor of a positive electrode active material and a method for producing the same.
Takuma Nakamura, Haruki Kaneda, Takehide Honma, Takaaki Ando, Koji Yamaji
Filed: 15 Jul 22
Utility
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1 Dec 22
A positive electrode active material is constituted by lithium transition metal-containing composite oxide particles having a layered rock salt type crystal structure and are composed of secondary particles each formed of an aggregation of primary particles.
Tetsutaro Hayashi, Shun Kai Bong, Toshihiro Kato
Filed: 18 Sep 20
Utility
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24 Nov 22
The positive electrode active material is capable of reducing positive electrode resistance, exhibiting better output characteristics, and having high mechanical strength when the positive electrode active material is used in a lithium ion secondary battery.
Tetsutaro Hayashi, Shun Kai Bong, Shinsuke Suganuma, Toshihiro Kato, Jiro Okada
Filed: 18 Sep 20
Utility
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24 Nov 22
A positive-electrode active material for a lithium-ion secondary battery, wherein an average pore size of the positive-electrode active material is 0.2 μm to 1.0 μm when a pore size is measured in a range of 0.0036 μm to 400 μm.
Ayumi MIURA
Filed: 16 Sep 20
Utility
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17 Nov 22
A positive electrode active material includes lithium transition metal-containing composite oxide particles containing an additive element M1 and includes a coating layer formed of a metal composite oxide of Li and a metal element M2 on a part of a surface of the particles.
Tetsutaro Hayashi, Shun Kai Bong, Shinsuke Suganuma, Toshihiro Kato
Filed: 18 Sep 20
Utility
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17 Nov 22
Yuki Koshika, Haruki Kaneda, Sho Tsuruta, Takashi Ko, Fumiharu Niina
Filed: 30 Jun 20
Utility
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10 Nov 22
The positive electrode active material has high capacity and high output and exhibiting excellent cycle characteristics when being used for a positive electrode of a non-aqueous electrolyte secondary battery.
Tomoko Nakayama, Haruki Kaneda
Filed: 19 Jun 20
Utility
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10 Nov 22
Provided is a mineral processing method that can efficiently separate a copper mineral and a molybdenum mineral.
Tsuyoshi HIRAJIMA, Hajime MIKI, Keiko SASAKI, Gde Pandhe Wisnu SUYANTARA, Yuki SEMOTO, Shigeto KUROIWA, Yuji AOKI, Yoshiyuki TANAKA
Filed: 13 Nov 20
Utility
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3 Nov 22
Provided is a positive electrode active material for a nonaqueous electrolyte secondary battery including a LiNi composite oxide having low internal resistance and excellent thermal stability.
Tomoko Nakayama, Jun Yokoyama, Tetsufumi Komukai
Filed: 14 Jul 22
Utility
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27 Oct 22
Tetsutaro Hayashi, Shun Kai Bong, Shinsuke Suganuma, Toshihiro Kato
Filed: 18 Sep 20
Utility
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6 Oct 22
Provided is an optical film (composite tungsten oxide film containing cesium, tungsten, and oxygen), a sputtering target, and a method of producing an optical film by which film formation conditions can be easily obtained.
Hideharu OKAMI
Filed: 24 Jun 20
Utility
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6 Oct 22
A positive electrode material for a lithium ion secondary battery containing an olivine-type phosphate-based compound represented by General Formula LixAyDzPO4 (where A is at least one selected from the group consisting of Co, Mn, Ni, Fe, Cu, and Cr, D is at least one selected from the group consisting of Mg, Ca, Sr, Ba, Ti, Zn, V, B, Al, Ga, In, Si, Ge, Sc, and Y, 0.9<x<1.1, 0<y≤1.0, 0≤z<1.0, 0.9<y+z<1.1) and carbon, wherein the positive electrode material includes an agglomerate wherein primary particles which consist of the olivine-type phosphate-based compound agglomerate, and the agglomerate is a dense agglomerate, wherein a volume density of the agglomerate is 70% by volume or more and 85% by volume or less of a volume density of a solid body which has the same external appearance as the agglomerate.
Satoru OSHITARI, Tsutomu NOZOE
Filed: 27 Sep 21
Utility
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15 Sep 22
A positive electrode active material for a lithium ion secondary battery, including a lithium-nickel composite oxide having a hexagonal layered structure and configured by particles including at least either single primary particles or secondary particles with a plurality of aggregated primary particles, wherein the particles included in the positive electrode active material have a cross section having one or more crystal faces, and the one or more crystal faces in the particles have an average misorientation of 0.7° or less from a reference orientation of each of the one or more crystal faces.
Haruki Kaneda, Yuki Koshika, Yuki Koyama
Filed: 28 Aug 20
Utility
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15 Sep 22
Provided are a positive electrode active material that can provide a secondary battery extremely excellent in output characteristics and having sufficient volume energy density, a nickel-manganese composite hydroxide as a precursor thereof, and methods for producing these.
Haruki Kaneda, Yuki Koshika, Takaaki Ando
Filed: 31 May 22
Utility
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8 Sep 22
A positive electrode active material for a lithium ion secondary battery, the positive electrode active material including a lithium-nickel composite oxide having a hexagonal layered structure and configured by single primary particles or by single primary particles and secondary particles with a plurality of aggregated primary particles, wherein a number proportion of the single primary particles to all of the particles is 30% or more, a ratio of a (003) diffraction peak intensity I(003) to a (104) diffraction peak intensity I(104) (I(003)/I(104)) is 2.0 or more, and a degree of circularity is 0.93 or more and 1.00 or less.
Haruki Kaneda, Yuki Koshika, Yuki Furuichi
Filed: 28 Aug 20
Utility
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8 Sep 22
A positive electrode active material for a lithium ion secondary battery, the positive electrode active material including a lithium-nickel composite oxide having a hexagonal layered structure and configured by particles including at least either single primary particles or secondary particles with a plurality of aggregated primary particles, wherein the particles of the positive electrode active material have a cross section having an area proportion of a crystal face having a maximum area in the particle of 80% or more when one crystal face is defined as a region having a crystal misorientation of 15° or less.
Haruki Kaneda, Yuki Koshika
Filed: 28 Aug 20
Utility
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1 Sep 22
The positive electrode active material for a lithium ion secondary battery contains a lithium-nickel composite oxide, in which the lithium-nickel composite oxide contains lithium, nickel, manganese, titanium, niobium, and optionally an element M1, an amount of substance ratio of the respective elements is represented as Li:Ni:Mn:M:Ti:Nb=a:(1−x1−y1−b−c):x1:y1:b:c (provided that, 0.95≤a≤1.25, (1−x1−y1−b−c)<0.80, 0.03≤x1≤0.35, 0≤y1≤0.35, 0.005≤b≤0.05, and 0.001<c≤0.03), in the amount of substance ratio, (b+c)≤0.06 and b>c are satisfied, and an amount of lithium to be eluted in water is 0.07% by mass or less.
Yuki Koshika, Haruki Kaneda
Filed: 30 Jun 20