公开(公告)号：US20190198878A1

公开(公告)日：2019-06-27

申请号：US16331669

申请日：2017-09-08

Applicant: ZEON CORPORATION

Inventor： Koji ANNAKA ,  Takuya ISHII

IPC: H01M4/62 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0525 ,  C08F220/48 ,  C08K3/22 ,  C08K3/04 ,  C08K7/06

CPC classification number: H01M4/622 ,  C08F220/48 ,  C08F2800/20 ,  C08K3/04 ,  C08K3/22 ,  C08K7/06 ,  C08K2003/2293 ,  C08K2201/001 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M4/625 ,  H01M10/0525 ,  H01M10/0566 ,  H01M2004/028

Abstract: Provided is a slurry composition for a non-aqueous secondary battery positive electrode that has excellent stability and enables formation of a positive electrode mixed material layer that causes a non-aqueous secondary battery to display excellent output characteristics. The slurry composition contains a positive electrode active material and a copolymer. The proportion constituted by nickel among transition metal in the positive electrode active material is at least 30.0 mol % and not more than 100.0 mol %. The copolymer includes a nitrile group-containing monomer unit in a proportion of at least 70.0 mass % and not more than 96.0 mass % and a basic group-containing monomer unit in a proportion of at least 0.1 mass % and not more than 5.0 mass %.

公开(公告)号：US20190085109A1

公开(公告)日：2019-03-21

申请号：US16082677

申请日：2017-03-24

Applicant: ZEON CORPORATION

Inventor： Kunihiro GOTO ,  Maki MESUDA ,  Koji ANNAKA ,  Takuya ISHII

IPC: C08F220/48 ,  C08F220/46 ,  H01M4/62 ,  H01M10/0525 ,  H01G11/38 ,  H01G11/30

Abstract: A disclosed binder composition comprises a copolymer which comprises a nitrile group-containing monomer unit, an acidic group-containing monomer unit and a basic group-containing monomer unit, wherein the proportion of the nitrile group-containing monomer unit in the copolymer is 70.0 mol % or more and 99.0 mol % or less, and wherein the total proportion of the acidic group-containing monomer unit and the basic group-containing monomer unit in the copolymer is 0.8 mol % or more and 10.0 mol % or less.

公开(公告)号：US20170239632A1

公开(公告)日：2017-08-24

申请号：US15501937

申请日：2015-08-21

Applicant: ZEON CORPORATION

Inventor： Keisuke ITO ,  Takuya ISHII

IPC: B01J2/04 ,  H01M4/1393 ,  F26B3/12 ,  B05B3/10

CPC classification number: B01J2/04 ,  B01D1/18 ,  B01D1/20 ,  B05B3/10 ,  B05B3/1007 ,  B05B3/1014 ,  B05B3/1021 ,  F26B3/12 ,  H01M4/1393

Abstract: A nozzle part dropping a slurry and a rotary disk centrifugally spraying the slurry to be dropped from the nozzle part are included. The rotary disk includes a plurality of grooves stretching in a radiation direction at least in a periphery part of a surface on which the slurry is sprayed.

公开(公告)号：US20190144586A1

公开(公告)日：2019-05-16

申请号：US16098243

申请日：2017-05-09

Applicant: ZEON CORPORATION

Inventor： Takuya ISHII ,  Takafumi SEKIMOTO

IPC: C08F220/48 ,  H01M4/62 ,  H01M4/13 ,  H01M10/0525 ,  C08J9/28 ,  H01G11/38

Abstract: A technique for ensuring the coatability of a slurry composition and also enabling an electrochemical device to exhibit excellent high-voltage cycle characteristics is provided. A binder particle aggregate for an electrochemical device electrode comprises a plurality of binder particles that contain a polymer including 75.0 mol % or more and 99.5 mol % or less of a nitrile group-containing monomer unit, wherein a pore content ratio of the plurality of binder particles is 60% or more.

公开(公告)号：US20170104205A1

公开(公告)日：2017-04-13

申请号：US15316019

申请日：2015-07-13

Applicant: ZEON CORPORATION

Inventor： Takuya ISHII ,  Kazumichi SHIMAHARA ,  Azusa MASUDA

IPC: H01M4/04 ,  H01G11/86 ,  H01G11/32 ,  H01M4/62 ,  H01M4/1393 ,  H01M10/0525 ,  H01M4/587 ,  H01G11/66 ,  H01M4/133

CPC classification number: H01M4/0433 ,  H01G11/24 ,  H01G11/28 ,  H01G11/32 ,  H01G11/38 ,  H01G11/66 ,  H01G11/86 ,  H01M4/0404 ,  H01M4/0419 ,  H01M4/133 ,  H01M4/139 ,  H01M4/1393 ,  H01M4/587 ,  H01M4/622 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2220/20 ,  H01M2220/30

Abstract: An object of the present invention is to provide composite particles for an electrochemical device electrode capable of preparing an electrode having high thickness precision at a low basis weight, an electrochemical device electrode and an electrochemical device that use the composite particles for an electrochemical device electrode, and to provide a method for manufacturing the composite particles for an electrochemical device electrode, and a method for manufacturing the electrochemical device electrode.The present invention relates to composite particles for an electrochemical device electrode that are obtained by spray-drying a slurry containing an electrode active material and a binder resin, in which particles of 40 μm or less are 50% or less of an entire amount in a number-based particle size distribution obtained by particle size measurement using a laser light diffraction method and the cumulative 95% size (D95 size) is 300 μm or less in a volume-based particle size distribution.

公开(公告)号：US20160005551A1

公开(公告)日：2016-01-07

申请号：US14770383

申请日：2014-02-27

Applicant: ZEON CORPORATION

Inventor： Takuya ISHII

IPC: H01G11/50 ,  H01M10/0525 ,  H01G11/28 ,  H01M4/62 ,  H01G11/86 ,  H01G11/06

CPC classification number: H01G11/50 ,  H01G11/06 ,  H01G11/28 ,  H01G11/38 ,  H01G11/86 ,  H01M4/13 ,  H01M4/62 ,  H01M4/622 ,  H01M10/0525 ,  Y02E60/13 ,  Y02T10/7022

Abstract: A negative electrode active material, a binder resin, a water-soluble polymer, and water-insoluble polysaccharide polymer fibers are included.

Abstract translation: 包括负极活性物质，粘合剂树脂，水溶性聚合物和水不溶性多糖聚合物纤维。