428 patents
Page 7 of 22
Utility
Tungsten trioxide
19 Jul 22
A tungsten trioxide whose IWO2.90/IWO3.00 is less than or equal to 0.15 is provided.
Toshiaki Aihara, Hiroyuki Toya
Filed: 21 Nov 18
Utility
Air bubble measurement device and air bubble measurement method
19 Jul 22
An air bubble measurement device is a device that measures the air bubbles moving in the liquid.
Shintaro Ishikawa
Filed: 28 Sep 20
Utility
Nickel-cobalt-manganese complex hydroxide particles and method for producing same, positive electrode active material for nonaqueous electrolyte secondary battery and method for producing same, and nonaqueous electrolyte secondary battery
19 Jul 22
An object of the present invention is to provide nickel cobalt manganese composite hydroxide particles having a small particle diameter and a uniform particle size distribution, and a method for producing the same.
Hiroyuki Toya, Shin Imaizumi, Kensaku Mori, Atsushi Fukui, Kenji Ikeuchi, Kazuomi Ryoshi, Toshiyuki Osako, Hiroki Nagai
Filed: 3 Oct 19
Utility
Nickel-manganese composite hydroxide, method for producing the same, positive electrode active material for nonaqueous electrolyte secondary battery, method for producing the same, and nonaqueous electrolyte secondary battery
12 Jul 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: 28 Jul 17
Utility
Nickel powder, method for manufacturing nickel powder, internal electrode paste using nickel powder, and electronic component
5 Jul 22
To provide a fine nickel powder for an internal electrode paste of an electronic component, the nickel powder obtained by a wet method and having high crystallinity, excellent sintering characteristics, and heat-shrinking characteristics.
Junji Ishii, Shingo Murakami, Hiroyuki Tanaka, Takahiro Kamata, Toshiaki Terao, Masaya Yukinobu, Yuji Watanabe, Tsutomu Tanimitsu, Yoshiyuki Kunifusa, Haruo Nishiyama
Filed: 14 Mar 17
Utility
Electromagnetic-wave-absorbing particles, electromagnetic-wave-absorbing particle dispersion liquids, and manufacturing methods of electromagnetic-wave-absorbing particles
21 Jun 22
Electromagnetic wave absorbing particles are provided that include hexagonal tungsten bronze having oxygen deficiency, wherein the tungsten bronze is expressed by a general formula: MxWO3-y(where one or more elements M include at least one or more species selected from among K, Rb, and Cs, 0.15≤x≤0.33, and 0<y≤0.46), and wherein oxygen vacancy concentration Nv in the electromagnetic wave absorbing particles is greater than or equal to 3×1014 cm−3 and less than or equal to 8.0×1021 cm−3.
Mika Okada, Katsushi Ono, Satoshi Yoshio, Kenji Adachi, Keisuke Machida
Filed: 25 Jul 18
Utility
Positive Electrode Active Material for Lithium Ion Secondary Battery, Method for Producing the Same, and Lithium Ion Secondary Battery
9 Jun 22
A positive electrode active material for a lithium ion secondary battery, in which a lithium-nickel-manganese composite oxide has a hexagonal layered structure, a mole number ratio of metal elements is represented as Li:Ni:Mn:M:Ti=a:(1−x−y−z):x:y:z, provided that 0.97≤a≤1.25, 0.05≤x≤0.15, 0≤y≤0.15, and 0.01≤z≤0.05, a ratio of a total amount of peak intensities of most intense lines of a titanium compound to a (003) diffraction peak intensity in XRD measurement is 0.2 or less, and a volume resistivity as determined by powder compact resistivity measurement compressed to 4.0 g/cm3 is 1.0×102 Ω·cm or more and 1.0×104 Ω·cm or less.
Yuki Koshika, Haruki Kaneda
Filed: 21 Feb 20
Utility
Positive Electrode Active Material for Lithium Ion Secondary Battery, Method for Producing the Same, and Lithium Ion Secondary Battery
9 Jun 22
A positive electrode active material for a lithium ion secondary battery, in which a lithium-nickel-manganese composite oxide has a hexagonal layered structure, a mole number ratio of metal elements is represented as Li:Ni:Mn:M:Ti=a:(1-x-y-z):x:y:z, provided that 0.97≤a≤1.25, 0.05≤x≤0.15, 0≤y≤0.15, and 0.01≤z≤0.05, a ratio of a total amount of peak intensities of most intense lines of a titanium compound to a (003) diffraction peak intensity in XRD measurement is 0.2 or less, a crystallite diameter at (003) plane is 160 nm to 300 nm, and an amount of lithium to be eluted in water when the positive electrode active material is immersed in water is 0.07% by mass or less.
Yuki Koshika, Haruki Kaneda
Filed: 21 Feb 20
Utility
Apparatus for processing long base material by roll-to-roll method and film forming apparatus using the same
7 Jun 22
A treatment apparatus includes two can rolls provided on a transfer path through which a long resin film is transferred in a roll-to-roll manner in a vacuum chamber; and surface treatment means facing an outer circumference of each of the can rolls to treat a surface of the long resin film cooled by being wound around the outer circumference.
Hideharu Okami
Filed: 23 Aug 17
Utility
Near-infrared absorbing fine particle dispersion liquid, near-infrared absorbing fine particle dispersion body, near-infrared absorbing transparent substrate, near-infrared absorbing laminated transparent substrate
31 May 22
There is provided a near-infrared absorbing fine particle dispersion liquid containing near-infrared absorbing fine particles, thereby as well as exhibiting near-infrared light absorption properties and suppressing a scorching sensation on the skin when used in structures such as window materials and the like, also enabling usage of communication devices, imaging devices, sensors and the like that employ near-infrared light through these structures, a near-infrared absorbing film or a near-infrared absorbing glass, a dispersion body or a laminated transparent substrate, the dispersion liquid containing at least composite tungsten oxide fine particles and antimony doped tin oxide fine particles and/or tin doped indium oxide fine particles as near-infrared absorbing fine particles, wherein in the composite tungsten oxide fine particles, an average value of a transmittance in a wavelength range of 800 to 900 nm is 30% or more and 60% or less, and an average value of a transmittance in a wavelength range of 1200 to 1500 nm is 20% or less, and a transmittance at a wavelength of 2100 nm is 22% or less, when a visible light transmittance is 85% at the time of calculating only light absorption by the composite tungsten oxide fine particles, and containing mixed particles of the composite tungsten oxide fine particles and antimony-doped tin oxide fine particles and/or tin-doped indium oxide fine particles dispersed in a liquid medium, wherein the liquid medium is selected from rater, an organic solvent, an oil and fat, a liquid resin, a liquid plasticizer for plastics, or a mixture thereof, wherein when a visible light transmittance is adjusted to 85% at the time of calculating only light absorption by the near-infrared absorbing fine particles in the dispersion liquid by diluting with the liquid medium, an average value of a transmittance in the wavelength range of 800 to 900 nm is 30% or more and 60% or less, an average value of a transmittance in the wavelength range of 1200 to 1500 nm is 20% or less, and a transmittance at the wavelength of 2100 nm is 11% or less.
Hirofumi Tsunematsu, Takeshi Chonan
Filed: 31 May 17
Utility
Positive electrode active material for nonaqueous electrolyte secondary batteries, and production method thereof
10 May 22
A method for producing a positive electrode active material for nonaqueous electrolyte secondary batteries, includes: a mixing step of adding a W compound powder having a solubility A adjusted to 2.0 g/L or less to a Li-metal composite oxide powder and stirring in water washing of the composite oxide powder, the solubility A being determined by stirring the W compound in water having a pH of 12.5 at 25° C. for 20 minutes, the composite oxide powder being represented by the formula: LicNi1-x-yCoxMyO2 and composed of primary and secondary particles, followed by solid-liquid separation, to thereby obtain a tungsten-containing mixture with the tungsten compound dispersed in the composite oxide powder; and a heat-treating step of heat-treating the mixture to uniformly disperse W on the surface of primary particles and thereby form a compound containing W and Li from the W and Li in the mixture, on the surface of primary particles.
Yuki Furuichi, Tetsufumi Komukai
Filed: 21 Oct 20
Utility
Method of Manufacturing Positive Electrode Active Material for Lithium Ion Secondary Battery, Positive Electrode Active Material for Lithium Ion Secondary Battery, and Lithium Ion Secondary Battery
5 May 22
A method of manufacturing a positive electrode active material for a lithium ion secondary battery includes a mixing step of mixing a lithium-nickel composite oxide which is a starting material with a tungsten compound powder without lithium, while being heated, to prepare a tungsten mixture, and a heat treatment step of heat-treating the tungsten mixture.
Jun SUZUKI
Filed: 18 Feb 20
Utility
Positive Electrode Active Material for Lithium Ion Secondary Battery, Method of Manufacturing Positive Electrode Active Material for Lithium Ion Secondary Battery, and Lithium Ion Secondary Battery
5 May 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
Nickel Manganese Cobalt Composite Hydroxide, Method for Producing Nickel Manganese Cobalt Composite Hydroxide, Lithium Nickel Manganese Cobalt Composite Oxide, and Lithium Ion Secondary Battery
28 Apr 22
A nickel manganese cobalt composite hydroxide, which is a precursor of a positive electrode active material and is composed of secondary particles to which primary particles containing a nickel, manganese, and cobalt are aggregated, or composed of the primary and secondary particles, wherein a sodium content contained in the nickel manganese cobalt composite hydroxide is less than 0.0005% by mass, and a void ratio of particles is more than 50% to 80%.
Hiroko OSHITA, Kazuomi RYOSHI
Filed: 26 Dec 19
Utility
Positive Electrode Active Material for Lithium Ion Secondary Battery, Method of Manufacturing Positive Electrode Active Material for Lithium Ion Secondary Battery, and Lithium Ion Secondary Battery
28 Apr 22
A positive electrode active material for a lithium ion secondary battery contains lithium composite oxide particles, the lithium composite oxide particles including lithium (Li), nickel (Ni), manganese (Mn), zirconium (Zr), and an additive element M (M) in an amount of substance ratio of Li:Ni:Mn:Zr:M=a:b:c:d:e, wherein 0.95≤a≤1.20, 0.10≤b<0.70, 0.01≤c≤0.50, 0.0003≤d≤0.02, and 0.01≤e≤0.50, and the additive element M is one or more elements selected from Co, W, Mo, V, Mg, Ca, Al, Ti, and Ta, wherein, a half-value width of a peak of (003) plane calculated from an X-ray diffraction pattern in the lithium composite oxide is 0.055° or more and 0.065° or less.
Haruki KANEDA, Takuma NAKAMURA
Filed: 19 Feb 20
Utility
Positive Electrode Active Material for Lithium Ion Secondary Battery, Method of Manufacturing Positive Electrode Active Material for Lithium Ion Secondary Battery, and Lithium Ion Secondary Battery
28 Apr 22
A positive electrode active material for a lithium ion secondary battery containing lithium composite oxide particles, the lithium composite oxide particles including lithium (Li), nickel (Ni), manganese (Mn), zirconium (Zr), and an additive element M (M) in an amount of substance ratio of Li:Ni:Mn:Zr:M=a:b:c:d:e, wherein 0.95≤a≤1.20, 0.70≤b≤0.98, 0.01≤c≤0.20, 0.0003≤d≤0.01, and 0.01≤e≤0.20, and the additive element M is one or more elements selected from Co, W, Mo, V, Mg, Ca, Al, Ti, and Ta, wherein, a unit lattice volume V (Å3) determined from lattice constants a and c that are calculated from an X-ray diffraction pattern in the lithium composite oxide is 117.5 Å3 or more and 118.0 Å3 or less, and a ratio I(003)/I(104) of a peak strength I(003) of a (003) plane to a peak strength In(104) of a (104) plane is 1.70 or more.
Haruki KANEDA, Yuki KOSHIKA
Filed: 19 Feb 20
Utility
Positive Electrode Active Material for Lithium Ion Secondary Battery, Method of Manufacturing Positive Electrode Active Material for Lithium Ion Secondary Battery, and Lithium Ion Secondary Battery
28 Apr 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
Boride particles, boride particle dispersed liquid, infrared light shielding transparent base, infrared light shielding optical member, infrared light shielding particle dispersed body, infrared light shielding laminated transparent base, infrared light shielding particle dispersed powder, and master batch
26 Apr 22
Boride particles represented by a general formula XB, (where X is at least one kind of metal element selected from Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sr, Ca, and m is a number indicating an amount of boron in the general formula) are provided, wherein an amount of carbon included in the boride particles is 0.2% by mass or less, as measured by a combustion-infrared absorption method.
Kenji Fukuda, Mitsunobu Miratsu, Hirofumi Tsunematsu, Takeshi Chonan
Filed: 28 Dec 16
Utility
Cathode active material precursor for non-aqueous electrolyte secondary battery
26 Apr 22
There is provided a cathode active material precursor for a non-aqueous electrolyte secondary battery that is a complex metal hydroxide with a flow factor of 10 or greater to 20 or smaller.
Kenji Tashiro, Masanori Takagi
Filed: 25 Dec 17
Utility
Nickel Manganese Cobalt Composite Hydroxide, Method for Producing Nickel Manganese Cobalt Composite Hydroxide, Lithium Nickel Manganese Cobalt Composite Oxide, and Lithium Ion Secondary Battery
21 Apr 22
A nickel manganese cobalt composite hydroxide, which is a precursor of a positive electrode active material, and which is composed of secondary particles to which primary particles containing a nickel, a manganese, and a cobalt are aggregated, or composed of the primary particles and the secondary particles, wherein a sodium content contained in the nickel manganese cobalt composite hydroxide is less than 0.0005% by mass.
Hiroko OSHITA, Kazuomi RYOSHI
Filed: 26 Dec 19