公开(公告)号：US20240063427A1

公开(公告)日：2024-02-22

申请号：US18265845

申请日：2021-12-09

Applicant: GS Yuasa International Ltd.

Inventor： Akihiro FUKUSHIMA

IPC: H01M10/0562 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  H01M10/0525 ,  H01M2220/20 ,  H01M2300/008

Abstract: One aspect of the present invention is a solid electrolyte containing lithium, phosphorus, sulfur, halogen, and an element A, in which the element A is at least one selected from the group consisting of magnesium, calcium, strontium, and barium, and the solid electrolyte has a crystal structure.

公开(公告)号：US20230420656A1

公开(公告)日：2023-12-28

申请号：US18035024

申请日：2021-11-02

Applicant: GS Yuasa International Ltd.

Inventor： Daisuke ENDO ,  Naoki INOUE

IPC: H01M4/36 ,  H01M4/58 ,  H01M4/62 ,  H01M4/136 ,  H01M10/0525 ,  H01G11/26 ,  H01G11/32

CPC classification number: H01M4/366 ,  H01M4/5825 ,  H01M4/625 ,  H01M2004/028 ,  H01M10/0525 ,  H01G11/26 ,  H01G11/32 ,  H01M4/136

Abstract: A positive electrode for nonaqueous electrolyte energy storage device according to an aspect of the present invention includes a positive composite layer containing a composite positive active material in which at least part of a surface of a positive active material is coated with carbon, a proportion of a pore specific surface area of the carbon to a pore specific surface area of the composite positive active material is 20% or more and 50% or less, a density of the positive composite layer is 1.80 g/cm3 or more and 2.10 g/cm3 or less, and the positive active material is a compound represented by the following Formula 1.


LiFexMn(1-x)PO4(0≤x≤1)  1

公开(公告)号：US20230411624A1

公开(公告)日：2023-12-21

申请号：US18034420

申请日：2021-10-18

Applicant: GS Yuasa International Ltd.

Inventor： Fumiya KONDO

IPC: H01M4/62 ,  H01M4/133 ,  H01M4/134 ,  H01M4/587 ,  H01M4/38 ,  H01M50/209

CPC classification number: H01M4/622 ,  H01M4/133 ,  H01M4/134 ,  H01M4/587 ,  H01M4/386 ,  H01M4/625 ,  H01M50/209 ,  H01M2004/021

Abstract: An electrode according to one aspect of the present invention is an electrode for an energy storage device, including an active material layer containing an active material, fibrous carbon, a binder mainly containing an acrylic resin, and a polysaccharide polymer, in which the content ratio of the polysaccharide polymer to the acrylic resin on a mass basis is 0.01 or more and 0.40 or less.

公开(公告)号：US20230242284A1

公开(公告)日：2023-08-03

申请号：US17801701

申请日：2021-02-24

Applicant: GS Yuasa International Ltd.

Inventor： Hiromasa Muramatsu

IPC: B64U50/31 ,  B60L3/00 ,  B60L58/13 ,  H02J7/35 ,  B60L58/27

CPC classification number: B64U50/31 ,  B60L3/0046 ,  B60L58/13 ,  B60L58/27 ,  H02J7/35 ,  B64U50/19

Abstract: A method of controlling a flying object 1 including a generator 5, which includes solar cells, and an energy storage apparatus 7 is configured such in a case where, during flying of the flying object 1, a voltage of an energy storage device 6 in the energy storage apparatus 7 reaches a lower limit voltage of a voltage range in which charge and discharge of electricity can be reversibly repeated, the flying object 1 is made to keep flying and/or descend while making the energy storage device 6 discharge electricity within a voltage range lower than the lower limit voltage.

公开(公告)号：US11710853B2

公开(公告)日：2023-07-25

申请号：US17410520

申请日：2021-08-24

Applicant: GS Yuasa International Ltd.

Inventor： Tetsuhiro Kobayashi ,  Yudai Kawasoe ,  Kenta Nagamine

IPC: H01M10/0567 ,  C07D239/26 ,  C07D239/38 ,  C07D239/52 ,  C07D239/54 ,  C07D251/24 ,  C07D251/30 ,  C07D251/38 ,  C07D251/46 ,  H01G11/06 ,  H01G11/60 ,  H01G11/62 ,  H01G11/64 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01G11/50

CPC classification number: H01M10/0567 ,  C07D239/26 ,  C07D239/38 ,  C07D239/52 ,  C07D239/54 ,  C07D251/24 ,  C07D251/30 ,  C07D251/38 ,  C07D251/46 ,  H01G11/06 ,  H01G11/60 ,  H01G11/62 ,  H01G11/64 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01G11/50 ,  H01M2300/0025

Abstract: Provided are a nonaqueous electrolyte capable of providing a nonaqueous electrolyte energy storage device with reduced direct current resistance and an increased capacity retention ratio after charge-discharge cycles, a nonaqueous electrolyte energy storage device including such a nonaqueous electrolyte, and a method for producing such a nonaqueous electrolyte energy storage device. One mode of the present invention is a nonaqueous electrolyte for an energy storage device, containing an additive represented by the following Formula (1) or Formula (2). In Formula (1), R1 to R4 are each independently a hydrogen atom or a group represented by —NRa2, —ORa, —SRa, etc., with the proviso that at least one of R1 to R4 is a group represented by —ORa, —SRa, —COORa, —CORa, —SO2Ra, or —SO3Ra. In Formula (2), R5 to R7 are each independently a hydrogen atom or a group represented by —NRb2, —ORb, or —SRb, with the proviso that at least one of R5 to R7 is a group represented by —SRb.

公开(公告)号：US20230223623A1

公开(公告)日：2023-07-13

申请号：US17924186

申请日：2021-05-13

Applicant: GS Yuasa International Ltd.

Inventor： Akio KAWAI ,  Sho KOZONO

IPC: H01M50/159 ,  H01M50/141 ,  H01M50/562 ,  H01M50/164

CPC classification number: H01M50/159 ,  H01M50/141 ,  H01M50/164 ,  H01M50/562

Abstract: An energy storage device includes: an electrode assembly; a case that accommodates the electrode assembly; and an external terminal made of metal and disposed in the case, in which the external terminal includes: a flange portion spreading along the case outside the case; and a shaft portion extending from the flange portion, penetrating the case, and electrically connected to the electrode assembly, in which the flange portion includes a plurality of metal layers layered in a penetrating direction of the shaft portion.

公开(公告)号：US20230187794A1

公开(公告)日：2023-06-15

申请号：US17924460

申请日：2021-05-13

Applicant: GS Yuasa International Ltd.

Inventor： Jun NAKAMURA ,  Akio KAWAI

IPC: H01M50/564 ,  H01M50/176 ,  H01M50/55 ,  H01M50/553 ,  H01M50/562

CPC classification number: H01M50/564 ,  H01M50/176 ,  H01M50/55 ,  H01M50/553 ,  H01M50/562 ,  H01G11/74

Abstract: An energy storage device includes an electrode assembly, a case that houses the electrode assembly, and a metal external terminal disposed in the case, wherein the external terminal includes a flange portion spreading along the case outside the case and a shaft portion extending from the flange portion and penetrating the case, the flange portion is formed of a clad material including a plurality of metal layers stacked in a penetrating direction of the shaft portion, and includes a through hole through which the shaft portion is inserted.

公开(公告)号：US11677253B2

公开(公告)日：2023-06-13

申请号：US16961662

申请日：2019-01-10

Applicant: GS Yuasa International Ltd.

Inventor： Tatsuya Inoue ,  Kayo Yamasaki ,  Yuya Kihira ,  Hitoshi Matsushima ,  Keita Nakai

IPC: H02J7/00 ,  G06N20/00 ,  H01M10/48

CPC classification number: H02J7/005 ,  G06N20/00 ,  H01M10/48 ,  H02J7/0018 ,  H02J7/0048

Abstract: A monitoring device includes: an acquisition unit configured to acquire information regarding whether a learning model is in a first mode or in a second mode, the learning model configured to detect a state of an energy storage device; and a change unit configured to change an operation of a balancer circuit from a predetermined state in a case where the learning model is in the first mode, the balancer circuit configured to balance a voltage of the energy storage device.

公开(公告)号：US20230129680A1

公开(公告)日：2023-04-27

申请号：US17912011

申请日：2021-03-03

Applicant: GS Yuasa International Ltd.

Inventor： Yasuyuki IWASHIMA ,  Shun SASAKI

IPC: H01M50/244 ,  H01M50/209 ,  H01M50/289 ,  H01M10/04

Abstract: An energy storage apparatus includes: an energy storage device including an electrode assembly in which plates are laminated; a pair of end plates disposed at a position sandwiching the energy storage device in a layering direction of the plates; and a side plate connecting the pair of end plates. At least one end plate of the pair of end plates includes: a second plate portion opposed to a first direction (X-axis direction); and an extension member that is attached to the second plate portion to extend the second plate portion in a second direction (Y-axis direction) intersecting with the first direction, the extension member being connected to the side plate in the first direction.

公开(公告)号：US20230084184A1

公开(公告)日：2023-03-16

申请号：US17909281

申请日：2021-02-01

Applicant: GS Yuasa International Ltd.

Inventor： Yuichiro YAMAMOTO

IPC: H01G9/00 ,  H01G9/08 ,  H01G2/02 ,  H01M50/209 ,  H01M50/507 ,  H01M50/249 ,  H01M10/48

Abstract: An energy storage apparatus includes an energy storage device, a sensor mounted on the energy storage device, a holding member disposed on the energy storage device and holding the sensor in a state where a detection surface of the sensor is exposed toward the energy storage device and an outer case accommodating the energy storage device, the sensor, and the holding member.