公开(公告)号：US20220344763A1

公开(公告)日：2022-10-27

申请号：US17760943

申请日：2020-09-07

Applicant: GS Yuasa International Ltd.

Inventor： Yu KOJIMA ,  Shinsuke OKI ,  Tatsuya MORII

IPC: H01M50/256 ,  H01M10/12 ,  H01M50/148 ,  H01M50/114 ,  H01M50/552 ,  H01M50/55

Abstract: A lid (15) of a lead-acid battery (100) includes a projecting portion (20) projecting from a base portion (19). The projecting portion (20) includes a shaft portion (27) serving as a rotation shaft of a handle (23), and an opposing wall (28) intersecting an imaginary line passing through an axial center of the shaft portion (27). A grip portion (90) of the handle (23) is located on an outer periphery of a first projecting portion (21).

公开(公告)号：US20180205072A1

公开(公告)日：2018-07-19

申请号：US15744534

申请日：2016-05-24

Applicant: GS Yuasa International Ltd.

Inventor： Kazuhiro SUGIE ,  Yoshinobu SATO ,  Takeshi CHIBA ,  Yu KOJIMA ,  Etsuko OGASAWARA ,  Kenji IZUMI

IPC: H01M4/14 ,  H01M10/06 ,  H01M4/73

CPC classification number: H01M4/14 ,  H01M4/20 ,  H01M4/68 ,  H01M4/73 ,  H01M10/06 ,  H01M10/12 ,  Y02E60/126

Abstract: A lead acid storage battery including: positive electrode plates each including a positive electrode grid and a positive electrode active material, and negative electrode plates each including a negative electrode grid and a negative electrode active material. The positive and negative electrode plates are stacked alternately with a separator therebetween to form an electrode plate group. The battery further includes: a battery container having cell chambers each containing the electrode plate group and electrolyte, and a cover sealing an opening of the battery container. The positive electrode active material has a pore distribution having a peak in region A from 0.03 μm to 0.1 μm and a peak in region B from 0.2 μm to 1.0 μm, and a ratio AM/BM of peak AM in region A to peak BM in region B is 0.34 or more and 0.70 or less. The negative electrode grid contains bismuth in an amount of 1 ppm or more and 300 ppm or less.

公开(公告)号：US20170263913A1

公开(公告)日：2017-09-14

申请号：US15509275

申请日：2015-08-05

Applicant: GS Yuasa International Ltd.

Inventor： Mikihito HASEGAWA ,  Shinsuke OKI ,  Yu KOJIMA

IPC: H01M2/30 ,  H01M10/08 ,  H01M4/21 ,  H01M4/56 ,  H01M2/28 ,  H01M2/02 ,  H01M2/04 ,  H01M2/06 ,  H01M2/16 ,  H01M2/18 ,  H01M10/14 ,  H01M4/68

CPC classification number: H01M2/307 ,  H01M2/024 ,  H01M2/0242 ,  H01M2/043 ,  H01M2/06 ,  H01M2/1653 ,  H01M2/18 ,  H01M2/28 ,  H01M4/21 ,  H01M4/56 ,  H01M4/685 ,  H01M10/06 ,  H01M10/08 ,  H01M10/14 ,  H01M2220/20 ,  H01M2300/0011 ,  Y02E60/126

Abstract: A lead-acid battery includes an electrode plate assembly, a battery case, a positive electrode strap, a negative electrode strap, a positive electrode post, a negative electrode post, a cover, and an electrolyte solution. A negative electrode bushing provided in the cover and the negative electrode post together constitute a negative electrode terminal. A maximum value of a gap between an outer circumferential surface of the negative electrode post and an inner circumferential surface of the negative electrode bushing in the negative electrode terminal is 0.5 mm or more and 2.5 mm or less. A rib is provided in a lower part of the negative electrode bushing, and a minimum value of a protrusion height of the rib is 1.5 mm or more and 4.0 mm or less. A distance between a surface of the electrolyte solution and a lowermost portion of the negative electrode bushing is 15 mm or less.

公开(公告)号：US20220344769A1

公开(公告)日：2022-10-27

申请号：US17760935

申请日：2020-09-07

Applicant: GS Yuasa International Ltd.

Inventor： Tatsuya MORII ,  Shinsuke OKI ,  Yu KOJIMA

IPC: H01M50/308

Abstract: A vent plug (18) includes a head portion (35), a cylindrical portion (36) extending from the head portion (35), and a filter (34) provided inside the cylindrical portion (36). The cylindrical portion (36) has a through hole (43) that allows an inside and an outside of the cylindrical portion (36) to communicate with each other. The through hole (43) has an opening portion on an inner peripheral surface of the cylindrical portion (36). The filter (34) is provided so as to close the opening portion of the through hole (43).

公开(公告)号：US20190058180A1

公开(公告)日：2019-02-21

申请号：US16080193

申请日：2017-02-24

Applicant: GS Yuasa International Ltd.

Inventor： Yu KOJIMA ,  Mikihito HASEGAWA

IPC: H01M2/24 ,  H01M2/04 ,  H01M2/28 ,  H01M4/73 ,  H01M10/12 ,  H01M2/02

Abstract: Provided is a lead-acid battery where a positive electrode shelf of one of two elements accommodated in cell chambers disposed adjacently to each other and a negative electrode shelf of the other element are electrically connected to each other through a penetrating connection body penetrating a partition wall, the penetrating connection body includes a positive electrode side member continuously formed with the positive electrode shelf and a negative electrode side member continuously formed with the negative electrode shelf, and the positive electrode side member and the negative electrode side member form a welded portion filled in a penetration hole formed in the partition wall for forming cell chambers by partitioning and are brought into close contact with a periphery of the penetration hole. In such an a lead-acid battery, a distance A between upper end surfaces of the positive electrode shelf and the negative electrode shelf and a lower end portion of the penetration hole is set to 3 mm to 5 mm, a distance B between an upper end portion of the penetration hole and an upper end portion of the penetrating connection body is set to 3 mm to 5 mm, a distance C between the upper end portion of the penetrating connection body and a level of the electrolyte solution is set to 0 mm or more, and a height of the positive electrode grid portion and the negative electrode grid portion is set to 100 mm or more.

公开(公告)号：US20230399141A1

公开(公告)日：2023-12-14

申请号：US18036589

申请日：2021-11-29

Applicant: GS Yuasa International Ltd.

Inventor： Yuya NAKAMURA ,  Yu KOJIMA

IPC: B65D5/50 ,  B65D81/02

CPC classification number: B65D5/50 ,  H01M10/06 ,  B65D81/02

Abstract: A transport structure (1) for a lead-acid battery (10) includes: a packing box (20) in which a lead-acid battery (10) is packed, in which an upper wall portion (23) is formed by two flaps (24) extending from two first side wall portions (21) facing each other of the packing box (20), and in which a distal end portion (26) of at least one of the flaps (24) is bent and inserted into the packing box (20); and an upper buffer body (42A) disposed outside the upper wall portion (23), the upper buffer body (42A) including an upper wall portion (51) facing the upper wall portion (23).

公开(公告)号：US20230142685A1

公开(公告)日：2023-05-11

申请号：US17918456

申请日：2021-03-30

Applicant: GS Yuasa International Ltd.

Inventor： Yuya NAKAMURA ,  Yu KOJIMA ,  Kazunari ANDO

IPC: H01M50/477 ,  H01M10/16

CPC classification number: H01M50/477 ,  H01M10/16

Abstract: Provided is a buffer body 5 for a lead-acid battery 1 having two terminals 12, the buffer body 5 being made of pulp mold, the buffer body 5 including, in a state where the buffer body 5 is disposed outside a first wall portion 22 facing the two terminals 12 among wall portions of a packing box 2 in which the lead-acid battery 1 is packed: a second wall portion 50 facing the first wall portion 22; and a first recessed portion 53A formed at a position facing the terminal 12 in the second wall portion 50 and recessed in a direction away from the first wall portion 22.

公开(公告)号：US20220336912A1

公开(公告)日：2022-10-20

申请号：US17760954

申请日：2020-09-07

Applicant: GS Yuasa International Ltd.

Inventor： Tatsuya MORII ,  Shinsuke OKI ,  Yu KOJIMA

IPC: H01M50/308

Abstract: A vent plug (18) includes a head portion (35), a cylindrical portion (36), and a filter (34). The cylindrical portion (36) includes a cylinder portion (40), a screw thread portion (42), a slit (45), and a through hole (43). The filter (34) is disposed at a position where the through hole (43) is provided in a central axis (L) direction. The screw thread portion (42) intersects the slit (45) only at a first-peripheral screw thread portion.

公开(公告)号：US20190006660A1

公开(公告)日：2019-01-03

申请号：US15748965

申请日：2016-07-21

Applicant: GS Yuasa International Ltd.

Inventor： Kenji IZUMI ,  Yu KOJIMA ,  Mikihito HASEGAWA ,  Shinsuke OOKI

IPC: H01M4/14 ,  H01M10/08 ,  H01M2/36 ,  H01M4/06

Abstract: Disclosed is a lead-acid battery including: a battery container; an electrolyte and an electrode plate group in the battery container; and a battery container cover that hermetically seals an opening of the battery container, wherein the electrode plate group includes a positive electrode plate including a positive electrode active material, a negative electrode plate including a negative electrode active material, and a separator interposed between the positive electrode plate and the negative electrode plate, the battery container cover is provided with a liquid port, a liquid port plug that closes the liquid port, and a sleeve that hangs down from the liquid port to a prescribed liquid surface height of the electrolyte, a sodium ion concentration contained in the electrolyte is 1 mmol/L to 90 mmol/L, and a specific surface area of the positive electrode active material is 5 m2/g to 9 m2/g.

公开(公告)号：US20180026310A1

公开(公告)日：2018-01-25

申请号：US15549867

申请日：2015-12-04

Applicant: GS Yuasa International Ltd.

Inventor： Kenji IZUMI ,  Yoshinobu SATO ,  Etsuko OGASAWARA ,  Takeshi CHIBA ,  Yu KOJIMA ,  Kazuhiro SUGIE

IPC: H01M10/12 ,  H01M4/73 ,  H01M4/68 ,  H01M4/14 ,  H01M4/62

CPC classification number: H01M10/12 ,  F02N11/0862 ,  H01M4/14 ,  H01M4/62 ,  H01M4/625 ,  H01M4/68 ,  H01M4/685 ,  H01M4/73 ,  H01M2004/027 ,  H01M2004/028 ,  Y02E60/126

Abstract: A lead acid battery including: a positive electrode plate including a positive electrode grid and a positive electrode active material; a negative electrode plate including a negative electrode grid and a negative electrode active material; an electrode plate group including the positive electrode plate, the negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate; a battery container including a plurality of cell chambers each accommodating the electrode plate group and an electrolyte; and a lid sealing an opening of the battery container. A ratio P/N of mass P of the positive electrode active material to mass N of the negative electrode active material is 1.25 or more and 1.65 or less. The negative electrode grid contains bismuth in an amount of 1 ppm or more and 300 ppm or less.