公开(公告)号：US20230369600A1

公开(公告)日：2023-11-16

申请号：US18361902

申请日：2023-07-30

Applicant: FUJIFILM Corporation

Inventor： Hiroshi ISOJIMA ,  Hideyuki SUZUKI

IPC: H01M4/62 ,  H01M10/0562

CPC classification number: H01M4/622 ,  H01M10/0562 ,  H01M4/624 ,  H01M2004/021

Abstract: There is provided an electrode composition containing an inorganic solid electrolyte (SE), an active material (AC), a conductive auxiliary agent (CA), a polymer binder (B), and a dispersion medium (D), where the polymer binder (B) being includes a polymer binder (B1) that is dissolved in the dispersion medium (D) and the electrode composition satisfies specific conditions (1) to (4), and there are provided an electrode sheet for an all-solid state secondary battery and an all-solid state secondary battery, and manufacturing methods for an electrode sheet for an all-solid state secondary battery and an all-solid state secondary battery, in which the electrode composition is used.

公开(公告)号：US20220181682A1

公开(公告)日：2022-06-09

申请号：US17679099

申请日：2022-02-24

Applicant: FUJIFILM Corporation

Inventor： Yo KUSHIDA ,  Koji YASUDA ,  Hiroshi ISOJIMA ,  Yuzo NAGATA

IPC: H01M10/0562 ,  H01M10/0585 ,  H01M4/62 ,  H01M4/139 ,  C08L27/16 ,  C08L9/00 ,  C01B25/14 ,  C08L75/08 ,  C08F220/68

Abstract: An inorganic solid electrolyte-containing composition contains 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 polymer binder includes a polymer binder of which an adsorption rate with respect to the inorganic solid electrolyte in the dispersion medium is less than 60%.

公开(公告)号：US20210184251A1

公开(公告)日：2021-06-17

申请号：US17183362

申请日：2021-02-24

Applicant: FUJIFILM Corporation

Inventor： Hiroshi ISOJIMA ,  Shin OZAWA

IPC: H01M10/0562 ,  H01M10/052 ,  H01M10/058 ,  H01M4/139 ,  H01M4/136 ,  H01M4/62 ,  H01M4/66

Abstract: Provided is an electrode composition including: an active material; an inorganic solid electrolyte having an average particle size of 2 μm or less; and a particle-shaped polymer, in which in a case where an average particle size of the particle-shaped polymer is represented by d nm and a content of the particle-shaped polymer with respect to all the solid components of the electrode composition is represented by x mass %, the average particle size d and the content x satisfy specific relationships. Provided are also an electrode sheet for an all-solid state secondary battery and an all-solid state secondary battery that are formed of the electrode composition, and respective methods of manufacturing an electrode sheet for an all-solid state secondary battery and manufacturing an all-solid state secondary battery.

公开(公告)号：US20190189922A1

公开(公告)日：2019-06-20

申请号：US16283842

申请日：2019-02-25

Applicant: FUJIFILM Corporation

Inventor： Hiroshi ISOJIMA

IPC: H01L51/00 ,  H01L51/05

CPC classification number: H01L51/0002 ,  B82Y40/00 ,  C01B25/08 ,  H01L51/0587

Abstract: An object of the present invention is to provide a method for producing a semiconductor nanoparticle complex, which is capable of suppressing aggregation of particles and forming a good coating with an oxide, a semiconductor nanoparticle complex, and a film. The method for producing a semiconductor nanoparticle complex of the present invention is a method for producing a semiconductor nanoparticle complex including a coating step of coating a semiconductor nanoparticle with a silane having a group represented by a predetermined formula to obtain a coated semiconductor nanoparticle; a hydrophilization step of mixing the coated semiconductor nanoparticle with a reverse micelle solution to obtain a reverse micelle solution containing a hydrophilized coated semiconductor nanoparticle; and an oxide-containing layer forming step of forming an oxide-containing layer on the surface of the hydrophilized coated semiconductor nanoparticle by adding an alkoxide to the reverse micelle solution after the hydrophilization step to obtain the semiconductor nanoparticle complex.

公开(公告)号：US20230223592A1

公开(公告)日：2023-07-13

申请号：US18180851

申请日：2023-03-09

Applicant: FUJIFILM Corporation

Inventor： Hiroshi ISOJIMA ,  Hideyuki Suzuki

IPC: H01M10/0562

CPC classification number: H01M10/0562 ,  H01M2300/0068

Abstract: There is provided an inorganic solid electrolyte-containing composition for an all-solid state secondary battery, containing an inorganic solid electrolyte, a dispersing agent, and a dispersion medium, in which the dispersing agent satisfies the following definitions of (1) to (3), and the dispersion medium includes a dispersion medium having a boiling point of 120° C. or higher. There are also provided an inorganic solid electrolyte-containing composition, 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.
(1) An SP value is 17.0 to 22.0 MPa1/2.
(2) A molecular weight is 10,000 or less.
(3) An adsorption rate with respect to the inorganic solid electrolyte in the dispersion medium is 2% or more.

公开(公告)号：US20220344710A1

公开(公告)日：2022-10-27

申请号：US17857144

申请日：2022-07-04

Applicant: FUJIFILM Corporation

Inventor： Hiroshi ISOJIMA ,  Hideyuki SUZUKI

IPC: H01M10/0562 ,  H01M10/0525

Abstract: An inorganic solid electrolyte-containing composition is an inorganic solid electrolyte-containing composition for an all-solid state secondary battery, containing an inorganic solid electrolyte, a polymer binder, a metal element-containing compound, and a dispersion medium, in which the metal element-containing compound is a compound that is capable of supplying, as an ion, a metal element constituting a molecule to a polymer that forms the polymer binder, and the polymer binder is dissolved in the dispersion medium, where the metal element-containing compound is present in a solid state.

公开(公告)号：US20220255118A1

公开(公告)日：2022-08-11

申请号：US17725525

申请日：2022-04-20

Applicant: FUJIFILM Corporation

Inventor： Hiroshi ISOJIMA ,  Hideyuki SUZUKI

IPC: H01M10/056 ,  H01M10/0525 ,  H01M4/04

Abstract: An inorganic solid electrolyte-containing composition contains an inorganic solid electrolyte and a polymer binder, in which the polymer binder includes at least two polymer binders A and B different from each other, the polymer binder A has a particulate shape, and the polymer binder B is a polymer binder consisting of a polymer having a crystallization temperature of 60° C. or higher.

公开(公告)号：US20210104773A1

公开(公告)日：2021-04-08

申请号：US16908729

申请日：2020-06-22

Applicant: FUJIFILM Corporation

Inventor： Shin OZAWA ,  Shinji IMAI ,  Hideyuki SUZUKI ,  Hiroshi ISOJIMA ,  Toshihiko YAWATA

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/42 ,  H01M4/139

Abstract: A solid electrolyte-containing sheet includes a laminate of three or more solid electrolyte layers, in which the solid electrolyte layer includes an inorganic solid electrolyte and a binder, the inorganic solid electrolytes included in two solid electrolyte layers that are disposed on both surface sides of the laminate among the solid electrolyte layers are formed of particles having an average particle size of 0.3 to 0.9 the inorganic solid electrolyte included in at least one of solid electrolyte layers that are disposed between the two solid electrolyte layers disposed on both the surface sides of the laminate is formed of particles having an average particle size of 1 to 5 μm, and the binder included in the at least one solid electrolyte layer is particulate.

公开(公告)号：US20200313161A1

公开(公告)日：2020-10-01

申请号：US16902275

申请日：2020-06-16

Applicant: FUJIFILM Corporation

Inventor： Hiroshi ISOJIMA ,  Shin OZAWA

IPC: H01M4/131 ,  H01M10/0562 ,  H01M10/0585 ,  H01M4/66 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/62 ,  H01M10/0525

Abstract: Provided are an electrode sheet for an all-solid state secondary battery, including, in the following order: a conductor layer containing conductive particles (C); and an electrode active material layer on at least one surface of an electrode collector,in which the electrode active material layer containing an active material (A) having a median diameter Ram and an inorganic solid electrolyte (B) having a median diameter Rse is provided on a surface of the conductor layer having a maximum height roughness Rz of 3.0 to 10 μm, which is defined in JIS B 0601:2013, andRam, Rse, and Rz satisfy the following Expressions (1) and (2), an all-solid state secondary battery provided with the electrode sheet for an all-solid state secondary battery, and a method thereof. 0.15