公开(公告)号：US20220376261A1

公开(公告)日：2022-11-24

申请号：US17623969

申请日：2020-06-30

Applicant: DAIKIN INDUSTRIES, LTD. ,  MCD Technologies S.a.r.l.

Inventor： Chihiro SHINODA ,  Takahiro KITAHARA ,  Junpei TERADA ,  Mikhail Rudolfovich PREDTECHENSKIY ,  Oleg Filippovich BOBRENOK

IPC: H01M4/62 ,  H01M10/0525

Abstract: A composition for an electrochemical device, the composition containing a single-walled carbon nanotube, a binder and a solvent. The binder contains a fluorine-containing copolymer containing a vinylidene fluoride unit and a fluorinated monomer unit other than the vinylidene fluoride unit, and the content of the vinylidene fluoride unit in the fluorine-containing copolymer is 50.0 mol % or more relative to total monomer units. Also disclosed is a positive electrode mixture including the composition and a positive electrode structure including a current collector and the positive electrode mixture layer provided on one or both sides of the current collector.

公开(公告)号：US20220271294A1

公开(公告)日：2022-08-25

申请号：US17629168

申请日：2020-07-22

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Takaya YAMADA ,  Junpei TERADA ,  Takahiro FURUTANI ,  Akinori TANI ,  Kae FUJIWARA

IPC: H01M4/62 ,  C08F214/22

Abstract: A binder and a slurry suitable for use in the production of an electrode in a sulfide-based solid-state battery. The binder contains sulfide-based solid electrolyte particles, and is a polymer including a vinylidene fluoride unit and at least one copolymerization unit (A) selected from a monomer unit having a structure represented by formula (1) below and a monomer unit having a structure represented by formula (2) below: where Rf1 and Rf2 are each a linear or branched fluorinated alkyl or fluorinated alkoxy group with 1 to 12 carbon atoms, which optionally contains an oxygen atom between carbon-carbon atoms when the number of carbon atoms is 2 or more. The slurry contains sulfide-based solid electrolyte particles, the binder and a solvent. Also disclosed is an electrode including an electrode active material layer formed using the slurry and a lithium-ion secondary solid state battery including the electrode.

公开(公告)号：US20210047497A1

公开(公告)日：2021-02-18

申请号：US17081446

申请日：2020-10-27

Applicant: Daikin Industries, LTD.

Inventor： Hirokazu KOMORI ,  Junpei TERADA ,  Hiroyuki SENDAN ,  Tadahiro YABU ,  Yukihiro FUKAGAWA ,  Kenta MURAYAMA ,  Tomohiro SHIROMARU ,  Toshio MIYATANI ,  Masahiro KONDOU ,  Hiroyuki HAMADA

IPC: C08K3/36 ,  B29C64/153 ,  B29C64/314 ,  B33Y70/00

Abstract: A shaping material for a powder bed fusion method, including a powder of a fluororesin, wherein the fluororesin has a D50 of 30 μm or more and 200 μm or less, and the fluororesin has a D10 of 12 μm or more.

公开(公告)号：US20160347895A1

公开(公告)日：2016-12-01

申请号：US15117275

申请日：2015-02-16

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tatsuya MORIKAWA ,  Junpei TERADA ,  Shoji FUKUOKA

IPC: C08F214/26

CPC classification number: C08F214/262 ,  C08F2/24 ,  C08F2/26 ,  C08F14/18 ,  C08F216/1408

Abstract: An aqueous perfluoroelastomer dispersion and method for producing a perfluoroelastomer using a specific fluorosurfactant and capable of achieving a sufficient number of particles and a sufficient polymerization rate. The method includes providing an aqueous dispersion containing perfluoroelastomer particles by emulsion-polymerizing a perfluoromonomer in an aqueous medium in the presence of a specific fluorosurfactant in an amount of 2 parts by mass or more for 100 parts by mass of the aqueous medium.

Abstract translation: 一种水性全氟弹性体分散体和使用特定含氟表面活性剂生产全氟弹性体并能够获得足够数量的颗粒和足够的聚合速率的方法。 该方法包括在100质量份水性介质中，在特定含氟表面活性剂存在下，在水性介质中使全氟单体在2质量份以上的量下进行乳液聚合，从而提供含有全氟弹性体颗粒的水性分散体。

公开(公告)号：US20250096327A1

公开(公告)日：2025-03-20

申请号：US18969630

申请日：2024-12-05

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tomoya HIDAKA ,  Junpei TERADA ,  Shigeaki YAMAZAKI ,  Toshiharu SHIMOOKA ,  Mariko FUJI ,  Kae FUJIWARA

IPC: H01M10/0569 ,  H01M4/02 ,  H01M4/38 ,  H01M4/583 ,  H01M10/0525

Abstract: Provided are an electrolytic solution that can allow a secondary battery comprising a silicon negative electrode to be improved in life and suppressed in an increase in resistance, and a secondary battery using the electrolytic solution. An electrolytic solution for use in a battery comprising an electrode having a negative electrode material containing a silicon element and a carbon element, wherein the electrolytic solution comprises less than 10% by mass of a fluorinated ether represented by the following general formula (1): HCF2CF2—O—R (1), wherein R is a fluorinated alkyl group.

公开(公告)号：US20240243292A1

公开(公告)日：2024-07-18

申请号：US18617776

申请日：2024-03-27

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Taketo KATO ,  Takaya YAMADA ,  Kohei YASUDA ,  Taku YAMANAKA ,  Junpei TERADA ,  Masayoshi MIYAMOTO

IPC: H01M4/62 ,  H01M4/02

CPC classification number: H01M4/623 ,  H01M2004/021

Abstract: The disclosure aims to provide a polytetrafluoroethylene powder for an electrode binder with excellent handleability, an electrode binder and an electrode mixture containing the electrode binder, an electrode, and a secondary battery. Provided is a polytetrafluoroethylene powder for use as an electrode binder, the polytetrafluoroethylene powder having an apparent density of 0.40 g/mL or higher and a powder particle size of 400 μm or greater.

公开(公告)号：US20230197967A1

公开(公告)日：2023-06-22

申请号：US18106551

申请日：2023-02-07

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Junpei TERADA ,  Yuma Ichinose ,  Chihiro Hosoda ,  Takahiro Furutani ,  Shigeaki Yamazaki

IPC: H01M4/62 ,  H01M4/485 ,  H01M10/0525

CPC classification number: H01M4/623 ,  H01M4/485 ,  H01M10/0525

Abstract: Provided is a binder for a battery, including a fluorine-containing copolymer, wherein the fluorine-containing copolymer comprises a repeating unit (a) based on vinylidene fluoride and at least one repeating unit (b) selected from the group consisting of a repeating unit (bl) represented by a specific structural formula (bl) and a repeating unit (b2) represented by a structural formula (b2), and the fluorine-containing copolymer has a molar ratio of the repeating unit (a) to the repeating unit (b), (a)/(b), of 95/5 to 5/95.

公开(公告)号：US20230178802A1

公开(公告)日：2023-06-08

申请号：US17922554

申请日：2021-04-28

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Akinori TANI ,  Junpei TERADA ,  Takaya YAMADA ,  Kae FUJIWARA

IPC: H01M10/0565 ,  C08F214/22 ,  C08L27/16 ,  C08K5/43 ,  H01M10/0525

CPC classification number: H01M10/0565 ,  C08F214/22 ,  C08L27/16 ,  C08K5/43 ,  H01M10/0525 ,  C08F2800/10 ,  H01M2300/0082 ,  H01G11/56

Abstract: Provided are a composite that can be suitably used as an electrolyte in polymer-based solid-state batteries, and various electrochemical devices using the composite. The composite includes a fluorine-containing elastomer and an alkali metal salt as essential components, wherein the fluorine-containing elastomer is an amorphous fluorine-containing elastomer having a glass transition temperature of 25° C. or less, and the composite has a volatile content of 0.1 mass % or less with respect to the entire composite.

公开(公告)号：US20230133748A1

公开(公告)日：2023-05-04

申请号：US18148669

申请日：2022-12-30

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hirokazu KOMORI ,  Hiroyuki SENDAN ,  Yukihiro FUKAGAWA ,  Kenta MURAYAMA ,  Junpei TERADA

IPC: B29C64/30 ,  B29C64/153 ,  B33Y10/00 ,  B33Y40/20 ,  B33Y80/00

Abstract: A three-dimensional shaped object including a fluororesin, wherein the three-dimensional shaped object is a laminate of a layer according to the slice data of the three-dimensional structure. The three-dimensional shaped object has a tensile stress at break of 9 MPa or more, and a tensile elongation at break in the direction perpendicular to the shaped plane of 20% or more. Also disclosed is a method for producing the three-dimensional shaped object.

公开(公告)号：US20200308389A1

公开(公告)日：2020-10-01

申请号：US16761007

申请日：2018-10-30

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hiroyuki SAGAMI ,  Junpei TERADA ,  Hiroshi AIHARA ,  Takayuki MATSUO

IPC: C08L27/16

Abstract: A fluorine-containing elastomer composition for a heat dissipation material, including a fluorine-containing elastomer being VdF-based fluoroelastomer having a Mooney viscosity at 121° C. of 10 or lower and an insulating thermal conductive filler. Also disclosed is a sheet obtained by molding the fluorine-containing elastomer composition.