公开(公告)号：US20240215161A1

公开(公告)日：2024-06-27

申请号：US18600472

申请日：2024-03-08

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hirokazu KOMORI ,  Hiroyuki YOSHIMOTO ,  Masaji KOMORI ,  Yuki UEDA ,  Junpei TERADA

IPC: H05K1/03 ,  B32B5/02 ,  B32B15/082 ,  B32B15/20 ,  B32B17/10 ,  B32B27/12 ,  B32B27/20 ,  B32B27/32 ,  C08F214/26 ,  C08J5/18 ,  C08K3/36 ,  C08K7/18

CPC classification number: H05K1/0366 ,  B32B5/022 ,  B32B5/024 ,  B32B15/082 ,  B32B15/20 ,  B32B17/10 ,  B32B27/12 ,  B32B27/20 ,  B32B27/322 ,  C08F214/262 ,  C08J5/18 ,  C08K3/36 ,  C08K7/18 ,  B32B2262/101 ,  B32B2264/1021 ,  B32B2457/08 ,  C08F2800/10 ,  C08J2327/18 ,  H05K2201/015

Abstract: A laminate, including a fluororesin sheet; and a base material. The fluororesin sheet including a fluororesin composition containing: a melt moldable fluororesin; and a silica. The fluororesin is a tetrafluoroethylene-perfluoro(alkyl vinyl ether) copolymer and/or a tetrafluoroethylene-hexafluoropropylene copolymer having 25 or more carbonyl group-containing functional groups per 106 main-chain carbon atoms; the silica is a spherical silica; a blending ratio of the spherical silica to a total amount of the fluororesin and the silica is 50% by mass or higher and 70% by mass or lower; the fluororesin composition has a linear expansion coefficient of 100 ppm/° C. or lower and a melt flow rate (MFR) of 1.0 g/10 min or higher and 30 g/10 min or lower. Also disclosed is a substrate for circuits including the fluororesin sheet used as a part in a multilayer structure.

公开(公告)号：US20230231182A1

公开(公告)日：2023-07-20

申请号：US18176184

申请日：2023-02-28

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Takaya YAMADA ,  Masahiko YAMADA ,  Shigeaki YAMAZAKI ,  Junpei TERADA ,  Kae FUJIWARA ,  Kentarou HIRAGA ,  Xianwei SUI

IPC: H01M10/056

CPC classification number: H01M10/056 ,  H01M2300/0091

Abstract: An all-solid-state secondary battery mixture, a secondary battery electrode mixture sheet containing the all-solid-state secondary battery mixture, and a secondary battery including the all-solid-state secondary battery sheet. Also provided is a method for producing an all-solid-state secondary battery sheet containing a polytetrafluoroethylene resin having a fine fiber structure. The all-solid-state secondary battery mixture includes a solid-state electrolyte and a binder. The binder is a polytetrafluoroethylene resin, and the polytetrafluoroethylene resin has a fibrous structure with a fibril diameter (median value) of 70 nm or less. In addition, the all-solid-state secondary battery mixture sheet contains the all-solid-state secondary battery mixture.

公开(公告)号：US20230187694A1

公开(公告)日：2023-06-15

申请号：US17922561

申请日：2021-04-28

Applicant: DAIKIN INDUSTRIES, LTD.

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

IPC: H01M10/0565 ,  H01M10/0525

CPC classification number: H01M10/0565 ,  H01M10/0525 ,  H01M2300/0082

Abstract: A composite containing a fluorine-containing copolymer, an alkali metal salt, and an ionic liquid. The fluorine-containing copolymer essentially contains: a structural unit represented by formula (1): —[CR1R2—CR3R4]— wherein R1 to R4 are each independently H, F, Cl, CF3, or OR10, where R10 is an organic group having 1 to 8 carbon atoms, provided that at least one of R1 to R4 is F; and a structural unit represented by formula (2): —[CR5R6—CR7R8]— wherein R5 to R8 are each independently H, F, an alkyl group having 1 to 3 carbon atoms, a functional group containing a heteroatom other than the fluorine atom, or a group containing the functional group. At least one of R5 to R8 is a functional group containing a heteroatom other than the fluorine atom or a group containing the functional group, and the composite has a volatile content of 0.1 mass % or less.

公开(公告)号：US20220271293A1

公开(公告)日：2022-08-25

申请号：US17629012

申请日：2020-07-22

Applicant: DAIKIN INDUSTRIES, LTD.

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

IPC: H01M4/62 ,  H01M10/0562 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/38 ,  H01M10/0585 ,  C08F214/20

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 fluorine-containing elastomer in which resin end functional groups satisfy: 0.01≤([—CH2OH]+[—COOH])/([—CH3]+[—CF2H]+[—CH2OH]+[—CH2I]+[—OC(O)RH]+[—COOH]≤0.25 where R represents an alkyl group with 1 to 20 carbon atoms. 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：US20160288461A1

公开(公告)日：2016-10-06

申请号：US15034214

申请日：2014-11-12

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yuuki KUWAJIMA ,  Shoji FUKUOKA ,  Kozue KOMAZAWA ,  Mayuko TAEDA ,  Junpei TERADA

IPC: B32B25/08 ,  C08K5/14 ,  B32B27/30 ,  C08K5/29 ,  B32B25/14 ,  B32B27/32

Abstract: The present invention aims to provide a laminate in which a fluororesin layer and a fluororubber layer are firmly bonded even when the fluororesin layer contains a fluororesin having excellently low fuel permeability. The present invention relates to a laminate including a fluororubber layer (A) and a fluororesin layer (B) stacked on the fluororubber layer (A). The fluororubber layer (A) is a layer formed from a fluororubber composition. The fluororubber composition contains a fluororubber (a1) and a basic multifunctional compound having at least two nitrogen atoms in the molecule with a distance between the nitrogen atoms in the molecule of 5.70 Å or greater. The fluororubber (a1) has an absorption coefficient at 1720 cm−1, determined after being brought into contact with triethyl amine, of 0.35 or lower. The fluororesin layer (B) is formed from a fluororesin (b1) having a fuel permeability coefficient of 2.0 g·mm/m2/day or lower.

Abstract translation: 本发明的目的在于提供一种即使在氟树脂层含有具有优异的低燃料透过性的氟树脂的情况下也能够使氟树脂层和氟橡胶层牢固结合的层压体。 本发明涉及层叠在氟橡胶层（A）上的氟橡胶层（A）和氟树脂层（B）的层叠体。 氟橡胶层（A）是由氟橡胶组合物形成的层。 氟橡胶组合物含有氟橡胶（a1）和分子中具有至少两个氮原子的碱性多官能化合物，分子中的氮原子之间的距离为5.70以上。 氟橡胶（a1）在与三乙胺接触后测定的在1720cm -1处的吸收系数为0.35以下。 氟树脂层（B）由燃料透过系数为2.0g·mm / m 2 /天以下的氟树脂（b1）形成。

公开(公告)号：US20250118760A1

公开(公告)日：2025-04-10

申请号：US18983189

申请日：2024-12-16

Applicant: DAIKIN INDUSTRIES, LTD.

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

IPC: H01M4/62 ,  C08F214/20 ,  H01M4/02 ,  H01M4/38 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0585

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 fluorine-containing elastomer in which resin end functional groups satisfy: 0.01≤([—CH2OH]+[—COOH])/([—CH3]+[—CF2H]+[—CH2OH]+[—CH2I]+[—OC(O)RH]+[—COOH]≤0.25 wherein R represents an alkyl group with 1 to 20 carbon atoms. 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：US20240421317A1

公开(公告)日：2024-12-19

申请号：US18820754

申请日：2024-08-30

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Takaya YAMADA ,  Masahiko YAMADA ,  Junpei TERADA ,  Kae FUJIWARA ,  Kentarou HIRAGA ,  Xianwei SUI

IPC: H01M4/62 ,  H01M4/02 ,  H01M4/04

Abstract: The present disclosure provides a secondary battery mixture that has good properties, a secondary battery mixture sheet containing the mixture, and a secondary battery using the secondary battery mixture sheet. The secondary battery mixture contains a solid-state electrolyte and/or electrode active material, and a binder, wherein the binder is a fibrillatable resin having a fibrous structure with a fibril diameter (median value) of 100 nm or less, and is contained in the secondary battery mixture in an amount of 0.3% by mass or more and 8% by mass or less.

公开(公告)号：US20240421316A1

公开(公告)日：2024-12-19

申请号：US18819446

申请日：2024-08-29

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Takaya YAMADA ,  Masahiko YAMADA ,  Junpei TERADA ,  Kae FUJIWARA ,  Kentarou HIRAGA ,  Xianwei SUI

IPC: H01M4/62 ,  H01M10/0562

Abstract: The present disclosure provides a secondary battery mixture containing an oxide-based electrolyte that has good properties, a secondary battery mixture sheet containing the mixture, and a solid-state secondary battery using the secondary battery mixture sheet. In addition, the present disclosure provides a method for producing a secondary battery mixture sheet that contains a binder having a fine fiber structure. The secondary battery mixture contains an oxide-based solid-state electrolyte and a binder, wherein the binder is a fibrillatable resin. The fibrillatable resin preferably has a fibrous structure with a fibril diameter (median value) of 100 nm or less.

公开(公告)号：US20240282968A1

公开(公告)日：2024-08-22

申请号：US18617997

申请日：2024-03-27

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Taketo KATO ,  Takaya YAMADA ,  Kohei YASUDA ,  Taku YAMANAKA ,  Junpei TERADA ,  Masahiko YAMADA ,  Ryota USAMI ,  Hiroyuki SATO ,  Emi YAMAMOTO ,  Kenta NISHIMURA

IPC: H01M4/62 ,  C08L27/18 ,  H01M4/13

CPC classification number: H01M4/623 ,  C08L27/18 ,  H01M4/13 ,  C08L2201/50

Abstract: The disclosure aims to provide a polytetrafluoroethylene powder for an electrode binder which can not only reduce or prevent gas generation inside a battery cell and deterioration of battery characteristics but also improve the electrode strength, an electrode binder, an electrode mixture, an electrode, and a secondary battery. Provided is a polytetrafluoroethylene powder for use as an electrode binder, the polytetrafluoroethylene having a standard specific gravity of 2.200 or less and being substantially free from water.

公开(公告)号：US20240162432A1

公开(公告)日：2024-05-16

申请号：US18532736

申请日：2023-12-07

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yumi NISHIYAMA ,  Chihiro HOSODA ,  Shigeaki YAMAZAKI ,  Junpei TERADA

IPC: H01M4/485 ,  H01M4/04 ,  H01M4/62 ,  H01M10/00

CPC classification number: H01M4/485 ,  H01M4/0404 ,  H01M4/623 ,  H01M10/00 ,  H01M2004/028

Abstract: Provided is a composition for electrode formation comprising a copolymer comprising vinylidene fluoride unit and a unit of an other monomer other than vinylidene fluoride, and a solvent represented by a general formula (1): NR1R2R3 wherein R1, R2, and R3 are each independently H or a monovalent substituent, provided that the total number of carbon atoms of R1, R2, and R3 is 6 or more, and at least one of R1, R2, and R3 is an organic group having carbonyl group; and any two of R1, R2, and R3 optionally bond to each other to form a ring.