428 patents
Page 4 of 22
Utility
Oxide ore smelting method
21 Mar 23
The present invention addresses the problem, in methods for producing a metal or alloy by reducing a mixture that contains an oxide ore, of providing an oxide ore smelting method with good productivity and efficiency.
Takashi Iseki, Yukihiro Goda, Jun-ichi Kobayashi, Shuji Okada
Filed: 26 Apr 17
Utility
Method for Producing Lithium Hydroxide
16 Mar 23
A method for producing lithium hydroxide that allows reducing a load of removing divalent or more ions with an ion-exchange resin is provided.
Shin-ya MATSUMOTO, Masatoshi TAKANO, Shin-ichi HEGURI, Satoshi ASANO, Osamu IKEDA, Yohei KUDO
Filed: 8 Jan 21
Utility
wsmy0pw4ps3ddpyqjec2cinwxyksx9 gq22cjkacy
14 Mar 23
The present invention provides a composite oxide that can achieve a high low-temperature output characteristic, a method for manufacturing the same, and a positive electrode active material in which the generation of soluble lithium is suppressed and a problem of gelation is not caused during the paste preparation.
Hiroko Oshita, Kazuomi Ryoshi, Taira Aida, Koji Yamaji, Jiro Okada
Filed: 31 Jul 18
Utility
3k4roiwj9xxxuyz3ejcqydhue6zt9ommj0d2lsr
9 Mar 23
A magnetostrictive member is formed of a crystal of an iron-based alloy having magnetostrictive characteristics and is a plate-like body having a long-side direction and a short-side direction.
Kazuhiko Okubo, Shotaro Kawamura, Kiyoshi Izumi
Filed: 4 Nov 20
Utility
n28msb3lgcgux85zbhmcwxckwpa02r6rf64mt7ynrrf55ya5vx2pd1nclvr
9 Mar 23
Provided is a method for treating an alloy by which nickel and/or cobalt can be selectively isolated from an alloy that contains copper as well as nickel and/or cobalt, in a waste lithium ion battery.
Hiroshi Takenouchi, Satoshi Asano, Shin-ichi Heguri, Hirofumi Shouji, Keiji Kudou, Itsumi Matsuoka, Shota Sanjo, Takumi Matsugi
Filed: 10 Feb 21
Utility
dy780hj4vzrhjln0zw0aulxe4ef20frvlf8z3
9 Mar 23
An electromagnetic wave absorbing particle dispersion includes electromagnetic wave absorbing particles containing cesium tungsten oxide represented by a general formula CsxW1-yO3-z and having a crystal structure of an orthorhombic crystal structure or a hexagonal crystal structure, x, y, and z being 0.2≤x≤0.4, 0<y≤0.4, and 0<z≤0.46; and a solid medium.
Kenji ADACHI, Satoshi YOSHIO, Masao WAKABAYASHI
Filed: 28 Jan 21
Utility
n0tr9bci95jt153n829230yizb ntef6ouecg6dqhzp7fdo
9 Mar 23
A positive electrode active material that is used in a high-temperature operation type lithium ion solid secondary battery, wherein the positive electrode active material is made of oxide particles, which contains a first transition element and does not include an alkali metal.
Kouji OONO, Satoru OSHITARI, Shinichi TANAKA
Filed: 28 Mar 22
Utility
r0ih9j5ta2k7x5x9qd3z3oopbv2
2 Mar 23
Provided is a slurry treatment apparatus includes: a treatment tank for performing any treatment of a solid-liquid reaction, a solid-gas reaction, a gas-liquid reaction, and solid-liquid separation on a slurry containing a metal or a metal compound; a first pipe; a second pipe; and a pump, in which one end of the first pipe has a suction opening for sucking the slurry from the treatment tank, the other end of the first pipe is connected to a suction port of the pump, one end of the second pipe is linked to a discharge port of the pump, the other end of the second pipe is connected to a microbubble generator, and the microbubble generator includes a throttle that throttles a flow of the slurry and a gas supply tube for supplying gas to the throttle, and supplies microbubbles to the slurry in the treatment tank.
Yoshihiko Nakao, Shintaro Ishikawa
Filed: 17 Feb 21
Utility
fgqnzj9pc6820ye9oaz fiyrtkqsjtj
28 Feb 23
A positive electrode active material for obtaining a lithium ion secondary battery, wherein capacity, electron conductivity, durability, and heat stability at the time of overcharge are improved, durability and heat stability being achieved at a high level, and including: a lithium nickel manganese composite oxide composed of secondary particles, in which a plurality of primary particles are flocculated, wherein the composite oxide is represented by a general formula (1): LidNi1-a-b-cMnaMbTicO2 (wherein, M is at least one kind of element selected from Co, W, Mo, V, Mg, Ca, Al, Cr, Zr and Ta, 0.05≤a≤0.60, 0≤b≤0.60, 0.02≤c≤0.08, 0.95≤d≤1.20), at least a part of titanium in the composite oxide is solid-solved in the primary particles, and, a lithium titanium compound exists on a surface of the positive electrode active material for the lithium ion secondary battery.
Takuma Nakamura, Haruki Kaneda, Yuki Koshika
Filed: 25 Sep 18
Utility
4947lm833j90ubm59quwh9nt1gvwtbzwpq69 hc1nmytfuth4
16 Feb 23
The present invention provides a composite oxide that can achieve a high low-temperature output characteristic, a method for manufacturing the same, and a positive electrode active material in which the generation of soluble lithium is suppressed and a problem of gelation is not caused during the paste preparation.
Hiroko Oshita, Kazuomi Ryoshi, Taira Aida, Koji Yamaji, Jiro Okada
Filed: 10 Oct 22
Utility
x5pr5q5f8jjgpa0xkhsir6goqenxn5p2ess6xsq
16 Feb 23
Electromagnetic Electromagnetic wave absorbing particles including cesium tungsten oxide represented by a general formula CsxW1-yO3-z (0.2≤x≤0.4, 0<y≤0.4, and 0<z≤0.46) and having an orthorhombic crystal structure or a hexagonal crystal structure are provided.
Kenji ADACHI, Satoshi YOSHIO, Masao WAKABAYASHI
Filed: 28 Jan 21
Utility
d9n4838nc3ao705gatn6h 9andggi8tdvp4mfxdxn6sgl4v94jqdchriuw
14 Feb 23
A light to heat conversion layer which has visible light permeability, excellent near infrared absorption characteristics, and which can improve the transfer accuracy of an organic electroluminescent element using laser irradiation; and a donor sheet using the light to heat conversion layer.
Takeshi Chonan, Hirofumi Tsunematsu
Filed: 19 Jun 18
Utility
a868hevh0at9i3uvdm6nrj f3eusvw6tef9
14 Feb 23
A dispersion body having excellent heat ray shielding properties and long-term high temperature stability, and a dispersion liquid for producing the dispersion body, wherein the dispersion liquid contains liquid medium, absorbing fine particles dispersed in the medium, and a phosphite ester compound, the absorbing fine particles are one or more kinds of oxide fine particles selected from tungsten oxide fine particles represented by a general formula WyOz, and the phosphite ester compound is a phosphite ester compound represented by the following predetermined structural formula, and an addition amount of the phosphite ester compound is more than 500 parts by mass and 50000 parts by mass or less with respect to 100 parts by mass of the absorbing fine particles.
Hirofumi Tsunematsu, Takeshi Chonan, Takahisa Kawano
Filed: 13 Nov 18
Utility
14yi3nolralwxes4l dpv6zj9bnd0kuijqalxmc
9 Feb 23
A positive electrode active material for an all-solid-state lithium ion secondary battery, containing: a lithium-metal composite oxide particle having a niobium solid solution layer and a center other than the niobium solid solution layer; and a coating layer coating at least a part of a surface of the lithium-metal composite oxide particle and formed of a compound containing lithium and niobium, an average thickness of the coating layer is 2 nm or more and 1 μm or less, and an average thickness of the niobium solid solution layer is 0.5 nm or more and 20 nm or less.
Mikako Touma, Ryousuke Okamoto, Kazuhide Hayashi
Filed: 24 Dec 20
Utility
9aw6jpz3u0ya1bfjeepevvp5bcaa9tlpacswbhmzekrevg1r2l5mz
31 Jan 23
The production method is a method for producing a positive electrode active material for a lithium ion secondary battery which contains at least nickel and lithium, the method including: a firing process in which a mixture of a nickel compound powder and a lithium compound powder is fired; and a water washing process in which a lithium-nickel composite oxide powder obtained in the firing process is washed with water, wherein the firing process is performed under conditions such that a value obtained by dividing a ratio of an amount-of-substance of lithium to a total amount-of-substance of transition metals other than lithium in the lithium-nickel composite oxide powder after the washing with water by a ratio of an amount-of-substance of lithium to a total amount-of-substance of transition metals other than lithium in the lithium-nickel composite oxide powder before the washing with water exceeds 0.95.
Yasutaka Kamata, Yuji Kawakami, Tomomichi Nihei
Filed: 22 Oct 18
Utility
widos24kd3uvvg8kn6e7ki75atxmwve6
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
foqq9l4a6bd5aqdvuib8e
17 Jan 23
A positive electrode active material for a lithium ion secondary battery, includes lithium-nickel composite oxide particles and a coating layer that covers at least a part of surfaces of the lithium-nickel composite oxide particles, in which components other than oxygen of the lithium-nickel composite oxide are represented by Li:Ni:Co:M=t:1−x−y:x:y (where, M is at least one element selected from the group consisting of Mg, Al, Ca, Si, Ti, V, Fe, Cu, Cr, Zn, Zr, Nb, Mo, or W, 0.95≤t≤1.20, 0<x≤0.22, and 0≤y≤0.15), the coating layer contains a Ti compound, and a Ti amount per 1 m2 surface area of the lithium-nickel composite oxide is 7.0 μmol or more and 60 μmol or less.
Ryosuke Okamoto
Filed: 9 Nov 18
Utility
9g80mn0y4pe18bp 54lpo1cbncfmjyyt
3 Jan 23
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: 12 May 21
Utility
ssshw453au2dkw1zq0pefks3rp3 chk9hmu0v3a3dt480e4raw
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
2sm8obmnl5j0lh2uzt4i1pc
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