公开(公告)号：US20220393175A1

公开(公告)日：2022-12-08

申请号：US17755009

申请日：2020-10-14

Applicant: ZEON CORPORATION

Inventor： Yusaku MATSUO

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

Abstract: Provided is a binder composition for an all-solid-state secondary battery that can produce a slurry composition for an all-solid-state secondary battery having excellent dispersibility and preservation stability and that can cause a solid electrolyte-containing layer to display excellent ion conductivity. The binder composition contains a polymer, ions of a metal belonging to group 1 or group 2 of the periodic table, and a solvent. The solvent includes an organic solvent having a carbon number of 8 or more, and the content of the ions of the metal is not less than 5 mass ppm and not more than 5,000 mass ppm relative to the polymer.

公开(公告)号：US20220384815A1

公开(公告)日：2022-12-01

申请号：US17755045

申请日：2020-10-05

Applicant: ZEON CORPORATION

Inventor： Yusaku MATSUO

IPC: H01M4/62 ,  C08L33/08 ,  C08F220/18

Abstract: Provided is a binder composition that can produce a slurry composition having excellent preservation stability and that can cause a functional layer to display excellent adhesiveness. The binder composition contains a polymer and a solvent. The polymer includes a (meth)acrylic acid ester monomer unit including an aromatic hydrocarbon ring in a proportion of not less than 5 mass % and not more than 45 mass % and includes a structural unit indicated by formula (I), shown below, in a proportion of not less than 50 mass % and not more than 90 mass %. In formula (I), R1 represents a hydrocarbon group having a carbon number of 4 or more that does not include an aromatic hydrocarbon ring and R2 represents a hydrogen atom, a methyl group, or —CH2—C(═O)—O—R1. In a case in which more than one 10 is present in formula (I), each R1 may be the same or different.

公开(公告)号：US20210226221A1

公开(公告)日：2021-07-22

申请号：US17268957

申请日：2019-08-22

Applicant: ZEON CORPORATION

Inventor： Yusaku MATSUO ,  Kenya SONOBE

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

Abstract: Provided is a binder composition for an all-solid-state secondary battery with which it is possible to form a solid electrolyte-containing layer that can cause an all-solid-state secondary battery to display excellent output characteristics and high-temperature cycle characteristics. The binder composition contains a polymer A that includes a nitrile group-containing monomer unit and an aliphatic conjugated diene monomer unit. The proportional content of the nitrile group-containing monomer unit in the polymer A is not less than 5 mass % and not more than 30 mass %, and the proportional content of the aliphatic conjugated diene monomer unit in the polymer A is not less than 40 mass % and not more than 95 mass %. The polymer A has a Mooney viscosity (ML1+4, 100° C.) of 65 or more.

公开(公告)号：US20160260973A1

公开(公告)日：2016-09-08

申请号：US15030665

申请日：2014-10-23

Applicant: ZEON CORPORATION

Inventor： Kenya SONOBE ,  Yusaku MATSUO ,  Junichi ASANO ,  Tan KAN

IPC: H01M4/62 ,  H01M4/133 ,  H01M4/587 ,  H01M4/38 ,  H01M4/36 ,  H01M10/0585 ,  H01M4/131 ,  H01M4/525 ,  H01M2/16 ,  H01M10/0569 ,  H01M10/0568 ,  H01M10/0567 ,  H01M10/0525 ,  H01M4/66

CPC classification number: H01M4/62 ,  H01M2/0207 ,  H01M2/024 ,  H01M2/026 ,  H01M2/0262 ,  H01M2/0285 ,  H01M2/1653 ,  H01M4/0404 ,  H01M4/0435 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/364 ,  H01M4/386 ,  H01M4/525 ,  H01M4/587 ,  H01M4/622 ,  H01M4/623 ,  H01M4/625 ,  H01M4/661 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0585 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0037

Abstract: A slurry composition for a negative electrode of a lithium ion secondary battery, the slurry composition including 100 parts by weight of an active material (A) containing 8% by weight or higher of a non-carbon negative electrode active material, 0.5 to 10 parts by weight of a water-soluble polymer (B) containing a carboxy group, 0.01 to 0.5 parts by weight of a particulate polymer (C), and water; a negative electrode for a lithium ion secondary battery including a negative electrode material layer obtained therefrom; and a lithium ion secondary battery having the same.

Abstract translation: 一种锂离子二次电池的负极用浆料组合物，该浆料组合物包含100重量份含有8重量％以上的非碳负极活性物质的活性物质（A），0.5〜10重量份 的含有羧基的水溶性聚合物（B），0.01〜0.5重量份的颗粒状聚合物（C）和水; 包含由其获得的负极材料层的锂离子二次电池用负极; 和具有该锂离子二次电池的锂离子二次电池。

公开(公告)号：US20230327183A1

公开(公告)日：2023-10-12

申请号：US18006724

申请日：2021-08-11

Applicant: ZEON CORPORATION

Inventor： Yusaku MATSUO

IPC: H01M10/056

CPC classification number: H01M10/056 ,  H01M2300/0068

Abstract: Provided is a method of producing a binder composition for an all-solid-state secondary battery with which it is possible to form a solid electrolyte-containing layer that can cause an all-solid-state secondary battery to display excellent output characteristics and cycle characteristics. The method of producing a binder composition for an all-solid-state secondary battery is a method of producing a binder composition for an all-solid-state secondary battery that contains a polymer and an organic solvent. This production method includes: a water removal step of using a desiccant that contains either or both of a group 13 element and a group 14 element to obtain a composition (X) that contains the polymer and the organic solvent and has a water content of 200 ppm or less; and a transition metal removal step of magnetically removing transition metal contained in the composition (X) to obtain the binder composition for an all-solid-state secondary battery.

公开(公告)号：US20230033554A1

公开(公告)日：2023-02-02

申请号：US17756976

申请日：2020-11-26

Applicant: ZEON CORPORATION

Inventor： Yusaku MATSUO ,  Kenya SONOBE

IPC: H01M10/0562

Abstract: A binder composition for a secondary battery contains a polymer, an organic solvent, and a compound formed of an organic material or an inorganic material. The compound has a solubility of 10 mass % or less in water at 25° C. and includes an element belonging to either or both of group 13 and group 14 of the periodic table, excluding carbon and germanium. Content of the element in the binder composition is not less than 5 mass ppm and not more than 5,000 mass ppm relative to the polymer.

公开(公告)号：US20190006677A1

公开(公告)日：2019-01-03

申请号：US16081135

申请日：2017-03-02

Applicant: ZEON CORPORATION

Inventor： Yusaku MATSUO ,  Masanori SHIBUYA ,  Kenya SONOBE

IPC: H01M4/62 ,  C08F220/56 ,  H01M4/13 ,  H01M10/0525

Abstract: Disclosed is a binder composition for non-aqueous secondary battery electrode which comprises: a water-soluble polymer which comprises an acid group-containing monomer unit; and water, wherein the water-soluble polymer comprises the acid group-containing monomer unit in an amount of 5% to 70% by mass, and wherein the water-soluble polymer comprises water-soluble polymer particles having a radius of gyration of 200 nm or less in an amount of 95% to 100% by mass.

公开(公告)号：US20170256800A1

公开(公告)日：2017-09-07

申请号：US15503789

申请日：2015-08-26

Applicant: ZEON CORPORATION

Inventor： Takuya KANEDA ,  Kentaro HAYASAKA ,  Yusaku MATSUO

IPC: H01M4/62 ,  C08L33/08 ,  C08J3/12 ,  C08L25/14 ,  H01M10/0525 ,  B01J13/14

CPC classification number: H01M4/622 ,  B01J13/14 ,  C08F212/08 ,  C08F265/04 ,  C08J3/126 ,  C08J2333/08 ,  C08J2425/14 ,  C08L25/14 ,  C08L33/08 ,  C08L51/06 ,  C08L2203/20 ,  C08L2207/53 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M10/0525 ,  H01M2004/021 ,  C08F236/06 ,  C08F222/02 ,  C08F220/20 ,  C08L25/10

Abstract: Provided is a binder composition for a secondary battery electrode that can cause a secondary battery to display excellent rate characteristics and cycle characteristics. The binder composition for a secondary battery electrode contains a first particulate polymer having a core-shell structure including a core portion and a shell portion that partially covers an outer surface of the core portion.

公开(公告)号：US20200152985A1

公开(公告)日：2020-05-14

申请号：US16492830

申请日：2018-03-05

Applicant: ZEON CORPORATION

Inventor： Norikazu YAMAMOTO ,  Hidetake ISHII ,  Yusaku MATSUO

IPC: H01M4/62 ,  H01M4/36 ,  H01M4/13 ,  H01M4/04 ,  H01M2/16 ,  C08L47/00 ,  H01M2/14

Abstract: A binder composition for a non-aqueous secondary battery including: a water-insoluble polymer and a water-soluble polymer, wherein the water-insoluble polymer contains 70% by weight or more and 100% by weight or less of an aliphatic conjugated diene monomer unit, and the water-soluble polymer has a carboxy group and a hydroxy group. The water-soluble polymer preferably contains a carboxy group-containing monomer unit and a hydroxy group-containing monomer unit. Also provided are a slurry composition for a non-aqueous secondary battery, including the binder composition, an electrode, a separator, a secondary battery and methods for producing the same.

公开(公告)号：US20250038210A1

公开(公告)日：2025-01-30

申请号：US18712701

申请日：2022-12-02

Applicant: ZEON CORPORATION

Inventor： Yusaku MATSUO

IPC: H01M4/62 ,  H01M10/0525

Abstract: Provided is a binder composition that is capable of producing a functional layer having excellent adhesiveness and an all-solid-state secondary battery having low IV resistance. The binder composition contains a binder and an organic solvent having a carbon number of 6 or more. The binder includes a polymer X. The polymer X includes a monomer unit A that includes an aromatic hydrocarbon ring and a functional group bonded directly or indirectly to the aromatic hydrocarbon ring, wherein the functional group is a sulfo group, a carboxy group, and/or an amino group. The proportional content of the monomer unit A in the polymer X is not less than 0.5 mass % and not more than 3.0 mass %.