428 patents
Page 11 of 22
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
26 Aug 21
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
Method for Separating Copper from Nickel and Cobalt
26 Aug 21
Provided is a method for efficiently separating copper from nickel and cobalt from a sulfide containing nickel and cobalt together with copper.
Tatsuya Higaki, Hiroshi Takenouchi, Hiroshi Kobayashi
Filed: 21 Jun 19
Utility
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19 Aug 21
A method for recovering scandium, by which scandium is able to be recovered from nickel oxide ore.
Hidemasa Nagai, Keiji Kudo, Itsumi Matsuoka, Yoshitomo Ozaki, Hirofumi Shoji, Shin-ya Matsumoto, Tatsuya Higaki
Filed: 21 Feb 17
Utility
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17 Aug 21
There is provided a near-infrared shielding ultrafine particle dispersion body which has transparency in a visible light region, which has good near-infrared shielding properties, in which a blue haze phenomenon is suppressed, and which can be produced with high productivity, namely there is provided a near-infrared shielding ultrafine particle dispersion body in which ultrafine particles having near-infrared shielding properties are dispersed in a solid medium, wherein the ultrafine particles are composite tungsten oxide ultrafine particles, and a value of an XRD peak top intensity ratio of the composite tungsten oxide ultrafine particles is 0.13 or more when a value of the XRD peak intensity is set to 1, with plane (220) of a silicon powder standard sample (640c produced by NIST) as a reference.
Hirofumi Tsunematsu, Takeshi Chonan
Filed: 19 Dec 16
Utility
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10 Aug 21
Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles.
Mika Okada, Hideaki Fukuyama
Filed: 10 Dec 19
Utility
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5 Aug 21
The purpose of the present invention is to provide a method for smelting oxide ore, the method being capable of efficiently producing high quality metal.
Takashi Iseki
Filed: 12 Sep 19
Utility
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5 Aug 21
A composite tungsten oxide film includes a composition represented by a general formula MxWyOz (wherein, an element M is one or more elements selected from alkaline metal, alkaline earth metal, Fe, In, Tl, and Sn, an element W is tungsten, and an element O is oxygen) as main components, wherein 0.001≤x/y≤1, 2.2≤z/y≤3.0, organic components are not contained substantially, a sheet resistance is 105 ohms per square or more, a transmittance in a wavelength of 550 nm is 50% or more, a transmittance in a wavelength of 1400 nm is 30% or less, and also, an absorptance in a wavelength of 1400 nm is 35% or more, and an absorptance in a wavelength of 800 nm with respect to an absorptance in a wavelength of 1400 nm is 80% or less.
Keiichi SATO, Isao ANDO
Filed: 17 Apr 19
Utility
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29 Jul 21
Provided is a gas discharge roil, which includes: an inner roll, which has a rotary shaft; an outer roll, which is fitted and integrated with an outer peripheral surface of the inner roll; gas introduction grooves, which are formed on the outer peripheral surface of the inner roll over an entire circumference thereof at substantially uniform intervals along a circumferential direction of the inner roll so as to extend along a rotary shaft direction of the inner roll, and which are configured to define gas introduction channels between an inner peripheral surface of the outer roll and the gas introduction grooves; and a group of gas discharge holes formed on the outer roll so as to penetrate through to the gas introduction channels.
Hideharu OKAMI
Filed: 24 Jan 19
Utility
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29 Jul 21
A method for manufacturing a sulfuric acid solution includes supplying a chloride ion-containing sulfuric acid solution as an initial electrolyte in an electrolyzer inside of which is divided into an anode chamber and a cathode chamber by a diaphragm; and subsequently taking out a metal dissolved electrolyte in which a metal constituting the anode is dissolved from the anode chamber while supplying a current to an anode and a cathode disposed in the electrolyzer.
Hiroto WATANABE, Itsumi MATSUOKA, Yusuke SENBA, Hiroshi KOBAYASHI
Filed: 19 Apr 19
Utility
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29 Jul 21
A positive electrode active material for non-aqueous electrolyte secondary battery containing a lithium-nickel-manganese composite oxide formed of secondary particles with a plurality of aggregated primary particles, in which the positive electrode active material is represented by a general formula (1): LidN1−a−b−cMnaMbNbcO2+α, at least a part of niobium is solid-dissolved inside the primary particles, and an amount of lithium to be eluted into water when the positive electrode active material is immersed in water is 0.02% by mass or more and 0.10% by mass or less with respect to the entire positive electrode active material as determined by a neutralization titration method.
Takuma Nakamura, Haruki Kaneda, Yuki Koshika
Filed: 25 Jan 19
Utility
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20 Jul 21
A method produces a positive electrode active material that does not impair the original battery characteristics of the positive electrode active material.
Shoji Takanashi, Tetsufumi Komukai
Filed: 29 May 14
Utility
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15 Jul 21
A surface-treated infrared absorbing fine particle dispersion liquid wherein surface-treated infrared absorbing fine particles are dispersed in a liquid medium, and are an infrared absorbing transparent substrate having a coating layer in which the surface-treated infrared absorbing fine particles.
Hirofumi TSUNEMATSU, Takeshi CHONAN
Filed: 18 Apr 19
Utility
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13 Jul 21
A positive electrode active material for nonaqueous electrolyte secondary batteries has a high charge/discharge capacity and produces high output, as well as has high filling ability.
Jun Yokoyama, Yuki Furuichi, Tetsufumi Komukai
Filed: 27 Oct 16
Utility
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13 Jul 21
A method for producing a nickel-containing hydroxide is provided that includes a particle growth step of promoting growth of nickel-containing hydroxide particles by neutralization crystallization in an aqueous solution accommodated in an agitation tank.
Shuhei Nakakura, Kazuhiko Tsuchioka, Koichiro Maki, Motoaki Saruwatari, Kazuomi Ryoshi, Yoshihiko Nakao
Filed: 12 Jun 17
Utility
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8 Jul 21
Makoto OZAWA, Shigeru IGARASHI, Isao ANDO
Filed: 20 Sep 16
Utility
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6 Jul 21
A lithium compound with which a positive active material containing a decreased amount of magnetically attractable substances can be easily obtained while shortening the total time for production of a positive electrode for a nonaqueous electrolyte secondary battery.
Azusa Tagami, Takeshi Asakawa
Filed: 6 Jun 17
Utility
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6 Jul 21
Provided is a method for producing the positive electrode active material for nonaqueous electrolyte secondary batteries, including a first step of mixing a Li-metal composite oxide powder which is represented by the general formula: LizNi1-x-yCoxMyO2 (where 0≤x≤0.35, 0≤y≤0.35, and 0.97≤z≤1.30 are satisfied, and M is at least one element selected from Mn, V, Mg, Mo, Nb, Ti and Al) and constituted by primary particles and secondary particles, to an alkaline solution with a W compound dissolved therein, and immersing a resulting mixture, followed by solid-liquid separation, to obtain a W mixture with W uniformly dispersed on the surface of the primary particles of the composite oxide, and a second step of heat-treating the W mixture to thereby form a compound containing W and Li on the surface of the primary particles of the composite oxide powder.
Yuki Furuichi, Tetsufumi Komukai, Hiroyuki Toya
Filed: 31 Aug 20
Utility
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1 Jul 21
Provided is a method for controlling generation of scaling in a reaction vessel to reduce time and cost required for removal of the scaling in the process of producing nickel powder from a solution containing a nickel ammine sulfate complex.
Shin-ichi Heguri, Yoshitomo Ozaki, Osamu Ikeda, Yohei Kudo
Filed: 8 Feb 17
Utility
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17 Jun 21
Provided is a method for separating copper from nickel and cobalt, which can efficiently and selectively separate copper from nickel and cobalt in a substance containing copper, nickel, and cobalt in a waste lithium ion battery, etc.
Hiroshi Takenouchi, Hiroshi Kobayashi, Hirofumi Shoji, Tatsuya Higaki
Filed: 28 Nov 18
Utility
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15 Jun 21
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: 9 Feb 18