公开(公告)号：US20230282877A1

公开(公告)日：2023-09-07

申请号：US18180855

申请日：2023-03-09

Applicant: FUJIFILM Corporation

Inventor： Shota OI ,  Yo KUSHIDA ,  Koji YASUDA

IPC: H01M10/0562 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  H01M10/0525 ,  H01M2300/0068

Abstract: There is provided an inorganic solid electrolyte-containing inorganic solid electrolyte-containing composition, a polymer binder, and a dispersion medium, where the polymer binder includes a polymer binder consisting of a random polymer that has a halogen atom directly connected to a main chain and has a content of non-aromatic carbon-carbon double bonds of 0.01 to 10 mmol/g. There are also provided a sheet for an all-solid state secondary battery and an all-solid state secondary battery, in which this inorganic solid electrolyte-containing composition is used, as well as manufacturing methods for a sheet for an all-solid state secondary battery, and an all-solid state secondary battery.

公开(公告)号：US20200266485A1

公开(公告)日：2020-08-20

申请号：US16847572

申请日：2020-04-13

Applicant: FUJIFILM Corporation

Inventor： Yo KUSHIDA ,  Masaomi MAKINO ,  Tomonori MIMURA ,  Hiroaki MOCHIZUKI

IPC: H01M10/0562 ,  H01M10/0585

Abstract: A solid electrolyte composition includes: an inorganic solid electrolyte (A) having ion conductivity of a metal belonging to Group 1 or Group 2 in the periodic table; a binder (B); and a dispersion medium (C), in which the binder (B) includes a first binder (B1) that precipitates by a centrifugal separation process and a second binder (B2) that does not precipitate by the centrifugal separation process, the centrifugal separation process being performed in the dispersion medium (C) under a specific condition, and a content X of the first binder (B1) and a content Y of the second binder (B2) satisfy the following expression, 0.10≤Y/(X+Y)≤0.80.

公开(公告)号：US20200243903A1

公开(公告)日：2020-07-30

申请号：US16846425

申请日：2020-04-13

Applicant: FUJIFILM Corporation

Inventor： Yo KUSHIDA ,  Masaomi MAKINO ,  Hiroaki MOCHIZUKI ,  Tomonori MIMURA

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/62 ,  H01M4/1391 ,  H01M4/1395 ,  H01M4/60 ,  H01M4/66

Abstract: A solid electrolyte composition includes an inorganic solid electrolyte (A) having ion conductivity of a metal belonging to Group I or II of the periodic table, a binder (B), a dispersion medium (C), and a solvent (D) having any one of a fluorine atom, an oxygen atom, a nitrogen atom, or a chlorine atom in a chemical structure, in which a polymer constituting the binder (B) has a partial structure including an acyclic siloxane structure represented by General Formula (I) and a partial structure represented by General Formula (II). A solid electrolyte-containing sheet has a layer constituted of the solid electrolyte composition. The all-solid state secondary battery includes the solid electrolyte-containing sheet. Methods for manufacturing a solid electrolyte-containing sheet and an all-solid state secondary battery include a step of applying the solid electrolyte composition onto a base material.

公开(公告)号：US20200212480A1

公开(公告)日：2020-07-02

申请号：US16813759

申请日：2020-03-10

Applicant: FUJIFILM Corporation

Inventor： Tomonori MIMURA ,  Hiroaki MOCHIZUKI ,  Masaomi MAKINO ,  Yo KUSHIDA

IPC: H01M10/0562 ,  H01M10/0525 ,  C08F220/28 ,  C08F220/18

Abstract: A solid electrolyte composition comprising: an inorganic solid electrolyte (A) having conductivity of ions of metals belong to Group I or II of the periodic table; a polymer (B); and a dispersion medium (C), in which the polymer (B) includes a constituent component derived from a macromonomer satisfying (Condition 1) to (Condition 3) below, a solid electrolyte-containing sheet and an all-solid state secondary battery that are obtained using the solid electrolyte composition, and methods for manufacturing a solid electrolyte-containing sheet and an all-solid state secondary battery. (Condition 1) SP value of 19.0 MPa1/2 or less (Condition 2) mass-average molecular weight of 1,000 or more, and (Condition 3) having at least two groups represented by General Formula (1) In the formula, R represents a hydrogen atom or a substituent.

公开(公告)号：US20230261257A1

公开(公告)日：2023-08-17

申请号：US18180133

申请日：2023-03-08

Applicant: FUJIFILM Corporation

Inventor： Yo KUSHIDA ,  Koji YASUDA ,  Yuzo NAGATA

IPC: H01M10/0562 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  H01M10/0525 ,  H01M2300/0068

Abstract: There are provided an inorganic solid electrolyte-containing composition including an inorganic solid electrolyte having an ion conductivity of a metal belonging to Group 1 or Group 2 in the periodic table, a polymer binder, and a dispersion medium, where the inorganic solid electrolyte-containing composition contains a polymer which has a constitutional component having a glass transition temperature (TgHP) of 50° C. or higher and an SP value of 20.0 MPa1/2 or more in a case where the constitutional component is formed into a homopolymer and is dissolved in a dispersion medium. There are also provided a sheet for an all-solid state secondary battery and an all-solid state secondary battery, in which this inorganic solid electrolyte-containing composition is used, and manufacturing methods for a sheet for an all-solid state secondary battery, and an all-solid state secondary battery.

公开(公告)号：US20230246226A1

公开(公告)日：2023-08-03

申请号：US18180129

申请日：2023-03-08

Applicant: FUJIFILM Corporation

Inventor： Shota OI ,  Yo KUSHIDA

IPC: H01M10/056 ,  H01M10/0525

CPC classification number: H01M10/056 ,  H01M10/0525 ,  H01M2300/0091 ,  H01M2300/0071 ,  H01M2300/008

Abstract: There are provided an inorganic solid electrolyte-containing composition that exhibits excellent dispersibility and hardly deteriorates an inorganic solid electrolyte and is capable of forming a constitutional layer that exhibits a high ion conductivity even in a low temperature environment, a sheet for an all-solid state secondary battery and an all-solid state secondary battery, in which this inorganic solid electrolyte-containing composition is used, and manufacturing methods for a sheet for an all-solid state secondary battery and an all-solid state secondary battery. The inorganic solid electrolyte-containing composition contains an inorganic solid electrolyte, a polymer binder, and a dispersion medium, in which the polymer binder contains a polymer having a surface energy of 20 mN/m or less and an SP value of 14 to 21.5 MPa1/2, and the polymer binder is dissolved in the dispersion medium.

公开(公告)号：US20190319303A1

公开(公告)日：2019-10-17

申请号：US16452815

申请日：2019-06-26

Applicant: FUJIFILM Corporation

Inventor： Yo KUSHIDA ,  Masaomi MAKINO ,  Tomonori MIMURA ,  Hiroaki MOCHIZUKI

IPC: H01M10/0562 ,  H01M10/058 ,  H01M10/0525 ,  H01M4/131 ,  H01M4/139 ,  H01M4/62 ,  H01M4/133

Abstract: Provided are a solid electrolyte composition containing an inorganic solid electrolyte (A) having a conductivity of an ion of a metal belonging to Group I or II of the periodic table and a binder (B), in which the binder (B) includes a polymer satisfying the following condition 1 or 2, a solid electrolyte-containing sheet, an all-solid state secondary battery, and methods for manufacturing a solid electrolyte-containing sheet and an all-solid state secondary battery. (Condition 1) A Young's modulus is 0.003 GPa or more and less than 0.2 GPa and a breaking elongation is 300% to 700% (Condition 2) A Young's modulus is 0.2 to 2 GPa and a breaking elongation is 10% to 1,000%

公开(公告)号：US20210234194A1

公开(公告)日：2021-07-29

申请号：US17225126

申请日：2021-04-08

Applicant: FUJIFILM Corporation

Inventor： Hiroaki MOCHIZUKI ,  Tomonori MIMURA ,  Yo KUSHIDA

IPC: H01M10/0562 ,  H01M4/62 ,  C08L75/08 ,  C08K3/22 ,  C08K3/30

Abstract: There is provided a solid electrolyte composition containing an inorganic solid electrolyte having ion conductivity of a metal belonging to Group 1 or Group 2 in the periodic table and a binder containing non-spherical binder particles consisting of secondary particles formed of primary particles having an average particle size of 1 to 1,000 nm. There are also provided an all-solid state secondary battery, an electrode sheet for an all-solid state secondary battery, and an all-solid state secondary battery, which have a layer constituted of this composition.

公开(公告)号：US20200243904A1

公开(公告)日：2020-07-30

申请号：US16846428

申请日：2020-04-13

Applicant: FUJIFILM Corporation

Inventor： Hiroaki MOCHIZUKI ,  Masaomi MAKINO ,  Tomonori MIMURA ,  Yo KUSHIDA

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M10/0565 ,  H01M4/1395 ,  H01M4/62 ,  H01M4/60 ,  H01M4/1397 ,  H01M4/1391 ,  H01M4/66

Abstract: A solid electrolyte composition includes: an inorganic solid electrolyte; binder particles having an average particle size of 1 nm to 10 μm; and a dispersion medium, in which the binder particles include a polymer that includes a component derived from a polymerizable compound having a molecular weight of lower than 1,000, and the component includes at least one of an aliphatic hydrocarbon chain to which 10 or more carbon atoms are bonded or a siloxane structure as a side chain of the polymer. The solid electrolyte composition is used in the sheet for an all-solid state secondary battery, the electrode sheet for an all-solid state secondary battery, the all-solid state secondary battery, the method of manufacturing a sheet for an all-solid state secondary battery, and the method of manufacturing an all-solid state secondary battery.

公开(公告)号：US20200235426A1

公开(公告)日：2020-07-23

申请号：US16843907

申请日：2020-04-09

Applicant: FUJIFILM Corporation

Inventor： Yo KUSHIDA ,  Masaomi MAKINO ,  Tomonori MIMURA ,  Hiroaki MOCHIZUKI

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/36

Abstract: A solid electrolyte composition includes: an inorganic solid electrolyte (A) having ion conductivity of a metal belonging to Group 1 or Group 2 in the periodic table; a binder (B); and a dispersion medium (C), in which the binder (B) includes a first binder (B1) that precipitates by a centrifugal separation process and a second binder (B2) that does not precipitate by the centrifugal separation process, the centrifugal separation process being performed in the dispersion medium (C) at a temperature of 25° C. at a centrifugal force of 610000 G for 1 hour, and a content X of the first binder (B1) and a content Y of the second binder (B2) satisfy the following expression, 0.01≤Y/(X+Y)