公开(公告)号：US10547047B2

公开(公告)日：2020-01-28

申请号：US15527417

申请日：2015-11-20

Applicant: TODA KOGYO CORP.

Inventor： Kazumichi Koga ,  Hiroaki Masukuni ,  Kazutoshi Matsumoto

IPC: H01M4/04 ,  H01M4/131 ,  H01M4/1391 ,  H01M10/0525 ,  H01M4/02

Abstract: Positive electrode active material particle powder includes lithium manganese oxide particle powder having Li and Mn as main components and a cubic spinel structure with an Fd-3m space group. The lithium manganese oxide particle powder is composed of secondary particles, which are aggregates of primary particles, an average particle diameter (D50) of the secondary particles being from 4 μm to 20 μm, and at least 80% of the primary particles exposed on surfaces of the secondary particles each have a polyhedral shape in which each (111) plane thereof is adjacent to at least one (100) plane thereof.

公开(公告)号：US20190393500A1

公开(公告)日：2019-12-26

申请号：US16561761

申请日：2019-09-05

Applicant: TODA KOGYO CORP.

Inventor： Kazumichi KOGA ,  Hiroaki MASUKUNI ,  Kazutoshi MATSUMOTO

IPC: H01M4/505 ,  H01M10/0525 ,  H01M4/131

Abstract: Positive electrode active material particle powder includes: lithium manganese oxide particle powder having Li and Mn as main components and a cubic spinel structure with an Fd-3m space group. The lithium manganese oxide particle powder is composed of secondary particles, which are aggregates of primary particles, an average particle diameter (D50) of the secondary particles being from 4 μm to 20 μm, and at least 80% of the primary particles exposed on surfaces of the secondary particles each have a polyhedral shape having at least one plane that is adjacent to two planes.

公开(公告)号：US10326133B2

公开(公告)日：2019-06-18

申请号：US15267167

申请日：2016-09-16

Applicant: TODA KOGYO CORP.

Inventor： Sven Albrecht ,  Michael Kruft ,  Stefan Malcus

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/485 ,  H01M4/505 ,  C01G51/00 ,  H01M10/0525 ,  H01M10/052 ,  H01M4/02

Abstract: The invention relates to a chemical compound of the formula NibM1cM2d(O)x(OH)y, wherein M1 denotes at least one element from the group consisting of Fe, Co, Mg, Zn, Cu and/or mixtures thereof, M2 denotes at least one element from the group consisting of Mn, Al, B, Ca, Cr and/or mixtures thereof, wherein b≤0.8, c≤0.5, d≤0.5, and x is a number between 0.1 and 0.8, y is a number between 1.2 and 1.9, and x+y=2. A process for the preparation thereof, and the use thereof as a precursor for the preparation of cathode material for secondary lithium batteries are described.

公开(公告)号：US10193141B2

公开(公告)日：2019-01-29

申请号：US15121110

申请日：2015-02-24

Applicant: TODA KOGYO CORP. ,  DENKA COMPANY LIMITED

Inventor： Akihisa Kajiyama ,  Teruaki Santoki ,  Daisuke Morita ,  Ryuta Masaki ,  Takahiko Sugihara ,  Tsuyoshi Wakiyama ,  Kazutoshi Matsumoto ,  Akira Yoda ,  Taro Inada ,  Hiroshi Yokota ,  Takashi Kawasaki

IPC: H01M4/36 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/131 ,  H01M4/136 ,  H01M4/58 ,  H01M10/052 ,  H01M4/02

Abstract: An object of the present invention is to provide a positive electrode mixture capable of conducting stable charging and discharging with a less amount of gasses generated which has an operating voltage or an initial crystal phase transition voltage of not less than 4.5 V on the basis of lithium. The present invention relates to a positive electrode mixture comprising carbon black having a bulk density of not more than 0.1 g/cm3, a crystallite size of 10 to 40 Å, an iodine adsorption of 1 to 150 mg/g, a volatile content of not more than 0.1% and a metal impurity content of not more than 20 ppm, and a positive electrode active substance having an operating voltage or an initial crystal phase transition voltage of not less than 4.5 V on the basis of lithium.

公开(公告)号：US09952524B2

公开(公告)日：2018-04-24

申请号：US14404543

申请日：2013-05-30

Applicant: TODA KOGYO CORP.

Inventor： Kaori Kinoshita ,  Eiichi Kurita

IPC: G03G9/113 ,  G03G9/107 ,  G03G9/10

CPC classification number: G03G9/1135 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1131 ,  G03G9/1133 ,  G03G9/1136

Abstract: The present invention relates to a magnetic carrier for an electrophotographic developer comprising spherical composite core particles comprising at least ferromagnetic iron oxide fine particles and a cured phenol resin, and having an average particle diameter of 20 to 60 μm, the magnetic carrier for an electrophotographic developer satisfying the formula (1): σ1−σ0=−2 to 0 wherein σ0 represents a saturation magnetization (Am2/kg) of the carrier particles having a particle diameter in the vicinity of the average particle diameter of the magnetic carrier for an electrophotographic developer; and σ1 represents a saturation magnetization (Am2/kg) of the carrier particles having a particle diameter of less than 20 μm, and a two-component system developer using the magnetic carrier. The two-component system developer of the present invention includes a magnetic carrier used for an electrophotographic developer which can exhibit a good durability, is free from occurrence of carrier adhesion, and can maintain a high quality of images produced for a long period of time, and comprises the magnetic carrier for an electrophotographic developer and a toner.

公开(公告)号：US20170313586A1

公开(公告)日：2017-11-02

申请号：US15525165

申请日：2015-11-12

Applicant: TODA KOGYO CORP.

Inventor： Wataru ODA ,  Kazushige KAWAI ,  Tomohiro HONDA ,  Seiji OKAZAKI ,  Norimichi NAGAI ,  Tetsuro TODA

IPC: C01B32/159 ,  C01B32/162 ,  H01M10/0525 ,  B01J23/745 ,  H01M4/62

CPC classification number: C01B32/159 ,  B01J23/745 ,  C01B32/162 ,  C01B2202/02 ,  C01B2202/30 ,  C01B2202/36 ,  C01P2006/40 ,  H01M4/62 ,  H01M4/625 ,  H01M10/0525

Abstract: The present invention relates to carbon nanotubes that are excellent in dispersibility and a process for producing the carbon nanotubes. The carbon nanotubes according to the present invention each comprise a wall that comprises a parallel portion and a narrowed portion having a tube outer diameter that is not more than 90% of a tube outer diameter of the parallel portion. Thus, the carbon nanotubes are readily dispersible owing to a high abundance ratio of easily-breaking portions.

公开(公告)号：US20170117075A1

公开(公告)日：2017-04-27

申请号：US15312288

申请日：2015-05-21

Applicant: TODA KOGYO CORP.

Inventor： Yoji OKANO ,  Makoto SADAI ,  Shingo HONDA ,  Mitsunori KURUMADA ,  Akihiro YOSHIDA ,  Kazuyoshi KAWATO

IPC: H01F1/34 ,  C04B35/26 ,  H05K9/00

Abstract: The present invention relates to a ferrite sintered plate having a composition comprising 47 to 50 mol % of Fe2O3, 7 to 26 mol % of NiO, 13 to 36 mol % of ZnO, 7 to 12 mol % of CuO and 0 to 1.5 mol % of CoO, as calculated in terms of the respective oxides, in which the ferrite sintered plate has a volume resistivity of 1×108 to 1×1012·cm and a thickness of 10 to 60 μm; and a ferrite sintered sheet comprising the ferrite sintered plate on a surface of which a groove or grooves are formed, and an adhesive layer and/or a protective layer formed on the ferrite sintered plate, in which the ferrite sintered sheet has a magnetic permeability at 500 kHz a real part of which is 120 to 800 and an imaginary part of which is 0 to 30, and a product (μm) of the real part of the magnetic permeability at 500 kHz of the ferrite sintered sheet and a thickness of the ferrite sintered plate is 5000 to 48000. The ferrite sintered plate and the ferrite sintered sheet according to the present invention have a high volume resistivity as well as a large μ′ value and a small μ″ value of a magnetic permeability thereof, and therefore can be suitably used as a shielding plate in a digitizer system.

公开(公告)号：US20160372740A1

公开(公告)日：2016-12-22

申请号：US15121110

申请日：2015-02-24

Applicant: TODA KOGYO CORP. ,  DENKA COMPANY LIMITED

Inventor： Akihisa KAJIYAMA ,  Teruaki SANTOKI ,  Daisuke MORITA ,  Ryuta MASAKI ,  Takahiko SUGIHARA ,  Tsuyoshi WAKIYAMA ,  Kazutoshi MATSUMOTO ,  Akira YODA ,  Taroh INADA ,  Hiroshi YOKOTA ,  Takashi KAWASAKI

IPC: H01M4/36 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/62

CPC classification number: H01M4/364 ,  H01M4/131 ,  H01M4/136 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/028

Abstract: An object of the present invention is to provide a positive electrode mixture capable of conducting stable charging and discharging with a less amount of gasses generated which has an operating voltage or an initial crystal phase transition voltage of not less than 4.5 V on the basis of lithium. The present invention relates to a positive electrode mixture comprising carbon black having a bulk density of not more than 0.1 g/cm3, a crystallite size of 10 to 40 Å, an iodine adsorption of 1 to 150 mg/g, a volatile content of not more than 0.1% and a metal impurity content of not more than 20 ppm, and a positive electrode active substance having an operating voltage or an initial crystal phase transition voltage of not less than 4.5 V on the basis of lithium.

Abstract translation: 本发明的目的是提供一种正极混合物，其能够以较少量的气体进行稳定的充放电，其具有基于锂的工作电压或不小于4.5V的初始晶体相变电压 。 本发明涉及包含炭黑的正极混合物，其堆积密度不大于0.1g / cm 3，微晶尺寸为10至40，碘吸附为1至150mg / g，挥发物含量不为 大于0.1％，金属杂质含量为20ppm以下，以锂为基准的工作电压或初期晶体相变电压为4.5V以上的正极活性物质。

公开(公告)号：US20150302958A1

公开(公告)日：2015-10-22

申请号：US14439283

申请日：2013-10-29

Applicant: TODA KOGYO CORP.

Inventor： Makoto SADAI ,  Tomohiro DOTE ,  Yoji OKANO

IPC: H01F1/01 ,  C09J7/02 ,  C04B35/26

CPC classification number: H01F1/01 ,  C04B35/265 ,  C04B2235/3272 ,  C04B2235/3275 ,  C04B2235/3279 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/6025 ,  C09J7/22 ,  H01F1/344

Abstract: The present invention relates to an Ni—Zn—Cu—Co ferrite sintered plate having a composition comprising 45 to 50 mol % of Fe2O3, 10 to 25 mol % of NiO, 15 to 36 mol % of ZnO, 2 to 14 mol % of CuO and 0.1 to 3.5 mol % of CoO, all of the molar amounts being calculated in terms of the respective oxides, and a ferrite sintered sheet that is provided on a surface thereof with a groove and further with an adhesive layer and/or a protective layer. The ferrite sintered sheet is capable of exhibiting an increased μ′ value of a magnetic permeability while maintaining a small μ″ value of the magnetic permeability.

Abstract translation: 本发明涉及一种Ni-Zn-Cu-Co系铁氧体烧结体，其特征在于，其组成为：Fe2O3为45〜50摩尔％，NiO为10〜25摩尔％，ZnO为15〜36摩尔％，2〜14摩尔％ CuO和0.1〜3.5摩尔％的CoO，所有的摩尔量均以各氧化物计算，铁素体烧结片在其表面上设置有沟槽，并且还具有粘合剂层和/或保护层 层。 铁素体烧结片能够在保持磁导率的小μ“的情况下表现出增加的磁导率μ'值。

公开(公告)号：US09147873B2

公开(公告)日：2015-09-29

申请号：US13896825

申请日：2013-05-17

Applicant: JX NIPPON OIL & ENERGY CORPORATION ,  TODA KOGYO CORP.

Inventor： Takashi Suzuki ,  Noriyo Ishimaru ,  Takashi Oyama ,  Tamotsu Tano ,  Toshiyuki Oda ,  Ippei Fujinaga ,  Tomoaki Urai ,  Seiji Okazaki ,  Katsuaki Kurata ,  Toshiaki Hiramoto ,  Akino Sato ,  Wataru Oda

IPC: C01B31/02 ,  H01M4/133 ,  H01M4/583 ,  H01M4/587 ,  H01M10/052

CPC classification number: H01M4/133 ,  C01B32/05 ,  C10B55/00 ,  C10B57/045 ,  H01M4/583 ,  H01M4/587 ,  H01M10/052

Abstract: A method for producing an amorphous carbon material for a negative electrode of a lithium-ion secondary battery includes the steps of; pulverizing and classifying a raw coke composition obtained from a heavy-oil composition undergone coking by delayed coking process to obtain powder of the raw coke composition, the raw coke composition having a H/C atomic ratio that is a ratio of hydrogen atoms H and carbon atoms C of 0.30 to 0.50 and having a micro-strength of 7 to 17 mass %; giving compressive stress and shear stress to the powder of the raw coke composition to obtain a carbonized composition precursor; and heating the carbonized composition precursor under an inert atmosphere at a temperature from 900° C. to 1,500° C. so that a size of a crystallite Lc(002) is in a range of 2 nm to 8 nm, the size being calculated from a (002) diffraction line obtained by X-ray wide-angle diffractometry.

Abstract translation: 锂离子二次电池的负极用无定形碳材料的制造方法包括以下工序： 对通过延迟焦化处理进行焦化的重油组合物得到的生焦炭组合物进行粉碎和分级，得到原料焦炭组合物的粉末，该原料焦炭组合物的H / C原子比为氢原子H与碳的比例 原子C为0.30〜0.50，微观强度为7〜17质量％。 对原料焦炭组合物的粉末赋予压应力和剪切应力以获得碳化组合物前体; 并在惰性气氛下，在900℃至1500℃的温度下加热碳化组合物前体，使得微晶Lc（002）的尺寸在2nm至8nm的范围内，其尺寸由 通过X射线广角衍射法获得的（002）衍射线。