428 patents
Page 6 of 22
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
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
Positive electrode material for lithium ion secondary battery, positive electrode for lithium ion secondary battery, and lithium ion secondary battery
13 Sep 22
A positive electrode material for a lithium ion secondary battery containing carbon, in which, when a peak of the carbon that is measured by Raman scattering and is present at 2200 to 3400 cm−1 is peak-separated into peaks including five types of Voigt functions of a peak 1 having a peak top present at 2200 to 2380 cm−1, a peak 2 having a peak top present at 2400 to 2550 cm−1, a peak 3 having a peak top present at 2600 to 2750 cm−1, a peak 4 having a peak top present at 2850 to 2950 cm−1, and a peak 5 having a peak top present at 3100 to 3250 cm−1, an average of proportions of Gaussian functions in the peak 3 and the peak 4 is 90% or more and less than 100%.
Tsutomu Nozoe, Toyomasa Nakano
Filed: 24 Sep 20
Utility
Positive Electrode Active Material for Lithium Ion Secondary Battery and Lithium Ion Secondary Battery
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
Positive Electrode Active Material for Lithium Ion Secondary Battery and Lithium Ion Secondary Battery
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
Metal adsorbent-carrying carbon material, positive electrode material for lithium ion secondary batteries, positive electrode for lithium ion secondary batteries, and lithium ion secondary battery
6 Sep 22
A metal adsorbent-carrying carbon material for a positive electrode for lithium ion secondary batteries including a carbon material; and a metal adsorbent which is supported on the carbon material, wherein the metal adsorbent is a material which can adsorb iron ions (Fe2+, Fe3+).
Shinichi Tanaka, Tsutomu Nozoe
Filed: 25 Mar 21
Utility
Positive Electrode Active Material for Lithium Ion Secondary Battery and Lithium Ion Secondary Battery
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
Utility
Nickel Powder, Method for Manufacturing Nickel Powder, Internal Electrode Paste Using Nickel Powder, and Electronic Component
1 Sep 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: 13 May 22
Utility
Copper-clad laminate
30 Aug 22
To provide a copper-clad laminate which maintains adhesion between a resin film and a conductor layer and which suppresses the occurrence of wrinkles.
Junichi Nagata, Hironori Tanba
Filed: 13 May 20
Utility
Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing same, and nonaqueous electrolyte secondary battery
30 Aug 22
Provided are a positive electrode active material with which a secondary battery having high charging and discharging capacities and an excellent cycle characteristic can be obtained, and a method for producing the same.
Takaaki Ando, Haruki Kaneda, Jun Suzuki
Filed: 28 Jul 17
Utility
Lithium-nickel composite oxide and method of producing lithium-nickel composite oxide
30 Aug 22
The present invention relates to a lithium-nickel composite oxide, wherein the lithium-nickel composite oxide is represented by a following general formula: Li1+uNixCoyAsBtO2+α, wherein u, x, y, s, t and α in the formula satisfy 0≤u<0.3, 0.03≤x≤0.93, 0.03≤y≤0.50, 0.04≤s≤0.6, 0≤t<0.1, 0≤α<0.3 and x+y+s+t=1, wherein an element A is at least one selected from Mn and Al, and an element B is at least one selected from Mg, Ca, Ti, V, Zr, Nb, Mo, Sr and W, and wherein a content of Fe is less than 10 ppb, and a content of Cr is less than 10 ppb.
Yoshihiro Inoue
Filed: 27 Mar 19
Utility
Positive Electrode Active Material for Lithium-ion Secondary Batteries, Method for Producing Same, and Lithium-ion Secondary Battery
25 Aug 22
The method includes: a dry mixing process of mixing a tungsten compound with a lithium nickel manganese cobalt-containing composite oxide that is a base material to obtain a mixture; a water spray mixing process of spraying water to the mixture while the mixture is stirred, to mix the mixture; a heat treatment process of subjecting the mixture obtained after the water spray mixing process to a heat treatment at a temperature of 500° C. or lower; and a drying process of drying the mixture obtained after the heat treatment process at a temperature of 500° C. or lower to obtain a W- and Li-containing compound-coated lithium nickel manganese cobalt-containing composite oxide in which fine particles and coating films of a W- and Li-containing compound exist on a surface of the primary particles, and in at least drying process, the drying is performed using a vacuum dry mixing apparatus in a vacuum atmosphere.
Toshihiro Kato, Tetsutaro Hayashi, Willy Shun Kai Bong
Filed: 8 Jun 20
Utility
Positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing same, and nonaqueous electrolyte secondary battery
23 Aug 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: 25 Jun 18
Utility
Nickel Powder and Method for Producing Nickel Powder
11 Aug 22
Provided is a nickel powder in which growth of the nickel hydroxide component into a plate-shaped crystal is suppressed in the oxide film, and the content of coarse particles containing plate-shaped nickel hydroxide is small, and provided is a method for manufacturing the nickel powder by a wet process in which the nickel powder can be produced further simply and easily.
Yuki Kumagai, Atsushi Igari, Minseob Shin, Shingo Suto, Masaya Yukinobu
Filed: 30 Jul 20
Utility
Infrared-absorbing Fine Particle-containing Composition and Method for Producing the Same
11 Aug 22
An infrared-absorbing fine particle-containing composition, including: infrared absorbing fine particles, a dispersant, and a solvent, wherein the dispersant has a polyether structure, has a glass transition temperature of −150° C. or higher and 0° C. or lower, and is contained in an amount of 10 parts by mass or more with respect to 100 parts by mass of the infrared absorbing fine particles, and a solvent content is 10 mass % or less.
Hirofumi TSUNEMATSU, Takeshi CHONAN, Mika OKADA, Hideaki FUKUYAMA
Filed: 9 Jul 20
Utility
Positive electrode active material for non-aqueous electrolyte secondary battery, process for manufacturing positive electrode active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery using the positive electrode active material
9 Aug 22
A positive electrode active material for a non-aqueous electrolyte secondary battery includes a lithium metal composite oxide, wherein the lithium metal composite oxide is represented by a general formula: LiaNi1-x-y-zCoxDyEzO2 (wherein, in the formula, 0.05≤x≤0.35, 0≤y≤0.35, 0.002≤z≤0.05, 1.00≤a≤1.30, an element D is at least one type of element selected from Mn, V, Mo, Nb, Ti, and W, and an element E is an element forming an alloy with lithium at a potential more noble than a potential in which ions of the element E are reduced), wherein the lithium metal composite oxide includes primary and secondary particles formed by aggregating the primary particles, wherein an oxide containing the element E exists at a surface of at least either of the primary and secondary particles.
Takahiro Toma, Atsushi Fukui, Taira Aida, Tetsufumi Komukai
Filed: 27 Jun 18
Utility
Positive electrode active material for nonaqueous electrolyte secondary batteries, production method thereof, positive electrode mixture material paste for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery
9 Aug 22
A positive electrode active material for nonaqueous electrolyte secondary batteries and production method thereof that are able to improve the stability of positive electrode mixture material pastes used to produce nonaqueous electrolyte secondary batteries, as well as to improve the output characteristics and charge/discharge cycle characteristics of secondary batteries.
Taira Aida, Jiro Okada, Tetsufumi Komukai, Koji Yamaji, Ryozo Ushio
Filed: 30 Sep 16
Utility
Transition metal-containing composite hydroxide and manufacturing method thereof, positive electrode active material for a non-aqueous electrolyte secondary battery and manufacturing method thereof, and non-aqueous electrolyte secondary battery
2 Aug 22
The presently disclosed subject matter is directed to a positive electrode active material for a non-aqueous electrolyte secondary battery including a lithium transition metal-containing composite oxide, comprising secondary particles formed by aggregates of primary particles.
Takahiro Toma, Taira Aida, Tetsufumi Komukai, Yasutaka Kamata
Filed: 10 Dec 19
Utility
Positive-electrode Active Material Precursor for Lithium-ion Secondary Battery, Positive-electrode Active Material for Lithium-ion Secondary Battery, Methods of Manufacturing Thereof, and Lithium-ion Secondary Battery
28 Jul 22
A positive-electrode active material precursor for lithium-ion secondary battery includes: a metal complex hydroxide particle, that includes nickel (Ni), manganese (Mn), zirconium (Zr), and an additive element M (M).
Haruki KANEDA, Yuki KOSHIKA, Takaaki ANDO
Filed: 28 May 20
Utility
Anti-counterfeit Ink Composition, Anti-counterfeit Ink, and Anti-counterfeit Printed Product
21 Jul 22
The present invention provides an anti-counterfeit ink composition including organic-inorganic hybrid infrared absorbing particles, and either a dispersant or a surfactant, or both, wherein the organic-inorganic hybrid infrared absorbing particles include infrared absorbing particles and a coating resin that covers at least a part of a surface of the infrared absorbing particles.
Hirofumi TSUNEMATSU, Takeshi CHONAN
Filed: 25 May 20
Utility
Process for producing nickel powder
19 Jul 22
The purpose of the present invention is to provide a process for producing nickel powder capable of obtaining fine nickel powder in wet process, and also, capable of decreasing content of impurities by medicament (additive) used in crystallization of nickel powder which is reduction reaction. 1.
Junji Ishii, Hiroyuki Tanaka, Masaya Yukinobu
Filed: 5 Dec 17