公开(公告)号：US20200251774A1

公开(公告)日：2020-08-06

申请号：US16853198

申请日：2020-04-20

Applicant: FUJIFILM Corporation

Inventor： Katsuhiko MEGURO ,  Hiroaki MOCHIZUKI ,  Masaomi MAKINO ,  Tomonori MIMURA

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/62 ,  H01M10/0585

Abstract: Provided are an all solid-state secondary battery capable of exhibiting an improved ion-conducting property regardless of troublesome manufacturing steps or special materials, inorganic solid electrolyte particles, a solid electrolyte composition, an electrode sheet for a battery, and a method for manufacturing an all solid-state secondary battery.An all solid-state secondary battery comprising: a positive electrode active material layer; a negative electrode active material layer; and an inorganic solid electrolyte layer between the positive and negative electrode active material layers, in which inorganic solid electrolyte particles satisfying all of the following data A are included in at least any layer of the positive electrode active material layer, the negative electrode active material layer, or the inorganic solid electrolyte layer: a boundary length of a projected particle of the inorganic solid electrolyte particle is represented by L;a cross-sectional area of the projected particle of the inorganic solid electrolyte particle is represented by A;an unevenness coefficient FU represented by Expression (1) below is in a range of 0.85 or more and 1 or less; FU=4πA/L2   (1).

公开(公告)号：US20200235425A1

公开(公告)日：2020-07-23

申请号：US16842773

申请日：2020-04-08

Applicant: FUJIFILM Corporation

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

IPC: H01M10/0562 ,  H01M10/0525

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 dispersant (A) having a SP value of 10 (cal1/2cm−3/2) or lower and a molecular weight of 500 or higher and a polymer (B). 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：US20200235424A1

公开(公告)日：2020-07-23

申请号：US16842771

申请日：2020-04-08

Applicant: FUJIFILM Corporation

Inventor： Hiroaki MOCHIZUKI ,  Masaomi MAKINO ,  Tomonori MIMURA

IPC: H01M10/0562 ,  H01M10/052 ,  H01M10/0585 ,  H01M4/139 ,  H01M4/36 ,  H01M4/04 ,  H01M4/62

Abstract: Provided are an electrode sheet for an all-solid state secondary battery, an all-solid state secondary battery, a method of manufacturing an electrode sheet for an all-solid state secondary battery, and a method of manufacturing an all-solid state secondary battery. The electrode sheet for an all-solid state secondary battery includes a current collector, a primer layer, and an electrode active material layer in this order, in which the primer layer includes a binder (A), the electrode active material layer includes an inorganic solid electrolyte (B), an active material (C), and binder particles (D) having an average particle size of 1 nm to 10 μm and further includes the binder (A) on at least an adhesive interface side with the primer layer, and a crosslinked structure is not formed between the binder (A) and the inorganic solid electrolyte (B).

公开(公告)号：US20190088949A1

公开(公告)日：2019-03-21

申请号：US16196132

申请日：2018-11-20

Applicant: FUJIFILM Corporation

Inventor： Masaomi MAKINO ,  Hiroaki MOCHIZUKI ,  Tomonori MIMURA

IPC: H01M4/62 ,  H01M4/13 ,  H01M10/0562 ,  H01M10/0525 ,  H01M10/0585

Abstract: Provided are a solid electrolyte composition containing an inorganic solid electrolyte, a binder, and a dispersion medium (C) containing a dispersion medium (C1) below and a dispersion medium (C2) below at a specific mass ratio, an electrode sheet for an all-solid state secondary battery having an active material layer, a primer layer, and a collector which are formed of the solid electrolyte composition, an all-solid state secondary battery, and methods for manufacturing an electrode sheet for an all-solid state secondary battery and an all-solid state secondary battery. dispersion medium (C1): a saturated aliphatic compound or alicyclic compound having a boiling point of 80° C. or higher and lower than 200° C., and dispersion medium (C2): an aromatic compound having a boiling point of 100° C. or higher and lower than 220° C.

公开(公告)号：US20180342765A1

公开(公告)日：2018-11-29

申请号：US16046342

申请日：2018-07-26

Applicant: FUJIFILM Corporation

Inventor： Tomonori MIMURA ,  Hiroaki MOCHIZUKI ,  Masaomi MAKINO

IPC: H01M10/0562 ,  H01M10/0585 ,  H01M4/62 ,  H01M4/587 ,  H01M10/0525

Abstract: Provided are a solid electrolyte composition comprising: a specific inorganic solid electrolyte and a binder, in which a polymer constituting the binder includes a macromonomer component having a mass-average molecular weight of 1,000 or more and less than 1,000,000 and includes a ring structure of two or more rings, a sheet for an all-solid state secondary battery, an electrode sheet for an all-solid state secondary battery, and an all-solid state secondary battery for which the solid electrolyte is used, and methods for manufacturing a sheet for an all-solid state secondary battery, an electrode sheet for an all-solid state secondary battery, and an all-solid state secondary battery.

公开(公告)号：US20170237114A1

公开(公告)日：2017-08-17

申请号：US15272631

申请日：2016-09-22

Applicant: FUJIFILM Corporation

Inventor： Masaomi MAKINO ,  Hiroaki MOCHIZUKI ,  Katsuhiko MEGURO ,  Tomonori MIMURA

IPC: H01M10/056 ,  H01M10/0525

CPC classification number: H01M10/056 ,  H01B1/08 ,  H01B1/122 ,  H01M4/13 ,  H01M4/139 ,  H01M10/0525 ,  H01M2300/0068 ,  H01M2300/0071 ,  H01M2300/0082 ,  H01M2300/0091 ,  Y02T10/7011

Abstract: An all-solid-state secondary battery includes: a positive electrode active substance layer; a negative electrode active substance layer; and a solid electrolyte layer, in which at least one layer of the positive electrode active substance layer, the negative electrode active substance layer, or the solid electrolyte layer contains a nitrogen-containing polymer having a repeating unit having at least one of a substituent X, a substituent Y, or a substituent Z and an inorganic solid electrolyte having conductivity of ions of metal belonging to Group 1 or 2 in the periodic table.

公开(公告)号：US20170133717A1

公开(公告)日：2017-05-11

申请号：US15412463

申请日：2017-01-23

Applicant: FUJIFILM Corporation

Inventor： Masaomi MAKINO ,  Hiroaki MOCHIZUKI ,  Katsuhiko MEGURO ,  Tomonori MIMURA

IPC: H01M10/0585 ,  H01M4/62 ,  H01M10/0562

CPC classification number: H01M10/0585 ,  H01B1/06 ,  H01M4/62 ,  H01M4/622 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2300/0068 ,  Y02T10/7011

Abstract: An all solid-state secondary battery having a positive electrode active material layer; an inorganic solid electrolyte layer; and a negative electrode active material layer in this order, in which at least one layer of the positive electrode active material layer, the inorganic solid electrolyte layer, or the negative electrode active material layer includes a crosslinked polymer of a cyclic compound having a siloxane bond; and an inorganic solid electrolyte which includes a metal belonging to Group I or II of the periodic table and has an ion-conducting property respectively, an electrode sheet for a battery, a method for manufacturing an electrode sheet for a battery, a solid electrolyte composition, a method for producing a solid electrolyte composition, and a method for manufacturing an all solid-state secondary battery.

公开(公告)号：US20170133713A1

公开(公告)日：2017-05-11

申请号：US15412938

申请日：2017-01-23

Applicant: FUJIFILM Corporation

Inventor： Masaomi MAKINO ,  Hiroaki MOCHIZUKI ,  Katsuhiko MEGURO ,  Tomonori MIMURA

IPC: H01M10/0562 ,  H01M10/0585

CPC classification number: H01M10/0562 ,  H01M4/0404 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0585 ,  H01M2300/0068 ,  Y02T10/7011

Abstract: An all solid-state secondary battery having a positive electrode active material layer, an inorganic solid electrolyte layer, and a negative electrode active material layer in this order, in which at least one layer of the positive electrode active material layer, the inorganic solid electrolyte layer, or the negative electrode active material layer includes at least one cyclic compound having a siloxane bond and an inorganic solid electrolyte which includes a metal belonging to Group I or II of the periodic table and has an ion-conducting property, an electrode sheet for a battery, a method for manufacturing an electrode sheet for a battery, a solid electrolyte composition, a method for producing a solid electrolyte composition, and a method for manufacturing an all solid-state secondary battery.

公开(公告)号：US20210083323A1

公开(公告)日：2021-03-18

申请号：US17100947

申请日：2020-11-23

Applicant: FUJIFILM Corporation

Inventor： Tomonori MIMURA

IPC: H01M10/0562 ,  C08F20/12 ,  C08K3/40

Abstract: Provided is a solid electrolyte composition including: an inorganic solid electrolyte having ion conductivity of a metal belonging to Group 1 or Group 2 in the periodic table; a binder including a polymer that includes a specific structural unit having 6 or more carbon atoms; and a dispersion medium. Provided are a solid electrolyte-containing sheet and an all-solid state secondary battery that include a layer formed of the composition, and method of manufacturing a solid electrolyte-containing sheet and an all-solid state secondary battery.

公开(公告)号：US20200303772A1

公开(公告)日：2020-09-24

申请号：US16900698

申请日：2020-06-12

Applicant: FUJIFILM Corporation

Inventor： Masaomi MAKINO ,  Hiroaki MOCHIZUKI ,  Katsuhiko MEGURO ,  Tomonori MIMURA

IPC: H01M10/0562 ,  H01M4/62 ,  H01M10/052 ,  H01M4/04 ,  H01M10/0585

Abstract: An all solid-state secondary battery having a positive electrode active material layer, an inorganic solid electrolyte layer, and a negative electrode active material layer in this order, in which at least one layer of the positive electrode active material layer, the inorganic solid electrolyte layer, or the negative electrode active material layer includes at least one cyclic compound having a siloxane bond and an inorganic solid electrolyte which includes a metal belonging to Group I or II of the periodic table and has an ion-conducting property, an electrode sheet for a battery, a method for manufacturing an electrode sheet for a battery, a solid electrolyte composition, a method for producing a solid electrolyte composition, and a method for manufacturing an all solid-state secondary battery.