公开(公告)号：US20240154221A1

公开(公告)日：2024-05-09

申请号：US18279777

申请日：2022-03-09

Applicant: Panasonic Energy Co., Ltd.

Inventor： Ryota Okimoto

IPC: H01M50/188 ,  H01M10/0587 ,  H01M50/107 ,  H01M50/152 ,  H01M50/167 ,  H01M50/193 ,  H01M50/342

CPC classification number: H01M50/188 ,  H01M10/0587 ,  H01M50/167 ,  H01M50/193 ,  H01M50/107 ,  H01M50/152 ,  H01M50/3425

Abstract: Provided is a cylindrical battery in which degradation of sealing properties is suppressed. A cylindrical battery according to an embodiment of the present disclosure comprises a bottomed cylindrical exterior body, an electrode body and a nonaqueous electrolyte that are accommodated in the exterior body, and a circular sealing body that seals an opening in the exterior body with a gasket, wherein the sealing body has a protrusion that abuts the end of the gasket on the outside of the cylindrical battery.

公开(公告)号：US20240128610A1

公开(公告)日：2024-04-18

申请号：US18391806

申请日：2023-12-21

Applicant: ElringKlinger AG

Inventor： Mathias WIDMAIER ,  Mathias SCHERER ,  Christian BECK ,  Elisabeth REITZ ,  Marcel KURZ ,  Philipp ROMINGER ,  Aldina ASLANI

IPC: H01M50/559 ,  H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/188 ,  H01M50/342 ,  H01M50/548 ,  H01M50/566 ,  H01M50/578 ,  H01M50/581

CPC classification number: H01M50/559 ,  H01M10/0431 ,  H01M10/049 ,  H01M50/107 ,  H01M50/152 ,  H01M50/188 ,  H01M50/3425 ,  H01M50/548 ,  H01M50/566 ,  H01M50/578 ,  H01M50/581 ,  H01M2200/10 ,  H01M2200/20

Abstract: In order to provide an electrochemical cell (100) that can be produced as simply as possible and has as long a service life as possible, according to the invention an electrochemical cell (100), in particular a cylindrical cell, is provided, which comprises: an electrochemical element (104), a housing (106), a first cell terminal (118) and a second cell terminal (120); wherein the electrochemical cell (100) also comprises a cast element, in particular a first cast element (128), for connecting the housing (106) and the first cell terminal (118) and/or a cast element, in particular a second cast element (154), for connecting the housing (106) and the second cell terminal (120).

公开(公告)号：US20240120626A1

公开(公告)日：2024-04-11

申请号：US18370807

申请日：2023-09-20

Applicant: Samsung SDI Co., Ltd.

Inventor： Sang Hyo LEE

IPC: H01M50/559 ,  H01M50/107 ,  H01M50/152 ,  H01M50/186 ,  H01M50/528 ,  H01M50/533

CPC classification number: H01M50/559 ,  H01M50/107 ,  H01M50/152 ,  H01M50/186 ,  H01M50/528 ,  H01M50/533

Abstract: A cylindrical secondary battery including: a cylindrical can having an open end in a longitudinal direction thereof; a cap plate coupled to the can and having an opening therein; an electrode assembly accommodated in the can and including a first electrode plate and a second electrode plate; and a first terminal. The first terminal includes: a base block electrically connected to the first electrode plate; a head facing the base block and exposed to the outside through the opening; and a fusible link connecting the base block and the head to each other and having a diameter less than that of the head.

公开(公告)号：US20240120584A1

公开(公告)日：2024-04-11

申请号：US18485157

申请日：2023-10-11

Applicant: Samsung SDI Co., Ltd.

Inventor： Jun Ho YANG ,  Woo Hyuk CHOI ,  Tae Yoon LEE ,  Jun Hwan KWON ,  Joung Ku KIM ,  Hyun Suk PARK ,  Dong Sub LEE

IPC: H01M50/167 ,  H01M10/04 ,  H01M50/107 ,  H01M50/152

CPC classification number: H01M50/167 ,  H01M10/049 ,  H01M50/107 ,  H01M50/152

Abstract: A secondary battery includes: a can having an accommodation space therein; an electrode assembly accommodated in the accommodation space in the can; and a cap assembly sealed with the can. The can has a beading part recessed into a side wall of the can at a region below where the cap assembly is accommodated, and the beading part has an acute angle with respect to the side wall of the can.

公开(公告)号：US20240113402A1

公开(公告)日：2024-04-04

申请号：US18270665

申请日：2022-08-08

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Min-Ki JO ,  Bo-Hyun KANG ,  Do-Gyun KIM ,  Geon-Woo MIN ,  Su-Ji CHOI ,  Kwang-Su HWANGBO

IPC: H01M50/586 ,  H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/533 ,  H01M50/59

CPC classification number: H01M50/586 ,  H01M10/0422 ,  H01M10/0431 ,  H01M50/107 ,  H01M50/152 ,  H01M50/533 ,  H01M50/59 ,  H01M2220/20

Abstract: A cylindrical battery cell includes a jelly-roll having a first electrode tab protruding upward and a second electrode tab protruding downward, a battery can configured to accommodate the jelly-roll through a top opening and electrically connected to the second electrode tab, a first current collecting plate coupled to the first electrode tab at an upper portion of the jelly-roll, an insulating shrink tube having a first cover portion for covering at least a part of the first current collecting plate and a second cover portion for covering a top end of an outer circumference of the jelly-roll, and a top cap electrically connected to the first current collecting plate and configured to cover the opening.

公开(公告)号：US20240113369A1

公开(公告)日：2024-04-04

申请号：US18457624

申请日：2023-08-29

Applicant: SAMSUNG SDI Co., Ltd.

Inventor： Gun Gue PARK ,  Sung Gwi KO

IPC: H01M50/179 ,  H01M50/107 ,  H01M50/152 ,  H01M50/188 ,  H01M50/342 ,  H01M50/528 ,  H01M50/533 ,  H01M50/559

CPC classification number: H01M50/179 ,  H01M50/107 ,  H01M50/152 ,  H01M50/188 ,  H01M50/3425 ,  H01M50/528 ,  H01M50/533 ,  H01M50/559

Abstract: A cylindrical secondary battery includes: an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a case in which the electrode assembly is accommodated, and which includes a lower end open and is electrically connected to the second electrode plate; a first current collector plate which is between an upper surface of the electrode assembly and the case and is electrically connected to the first electrode plate; a terminal which penetrates an upper surface of the case and includes a lower end electrically and mechanically coupled to an upper surface of the first current collector plate; and a cap plate which seals the lower end of the case, and the terminal includes a welding groove having a depth downward from an upper surface of the terminal.

公开(公告)号：US20240106041A1

公开(公告)日：2024-03-28

申请号：US18533224

申请日：2023-12-08

Applicant: XIAMEN HITHIUM ENERGY STORAGE TECHNOLOGY CO., LTD.

Inventor： Weidong XU

IPC: H01M50/152 ,  H01M50/16 ,  H01M50/533

CPC classification number: H01M50/152 ,  H01M50/16 ,  H01M50/533

Abstract: Provided are an end cover assembly, a battery cell, a battery module, and an electric device. The end cover assembly includes: a first end cover including a first plastic member provided with a first mounting portion and a first current collector provided with a first mating portion that is assemblable with the first mounting portion; and a second end cover including a second plastic member provided with a second mounting portion and a second current collector provided with a second mating portion that is assemblable with the second mounting portion. The first mounting portion is at least partially different from the second mounting portion and the first mating portion is at least partially different from the second mating portion, allow for mounting interference between the first mounting portion and the second mating portion and mounting interference between the second mounting portion and the first mating portion.

公开(公告)号：US20240106040A1

公开(公告)日：2024-03-28

申请号：US18003410

申请日：2022-10-21

Applicant: EVE POWER CO., LTD.

Inventor： Haixu Lu ,  He Zhao ,  Liming Huang ,  Cheng Yang ,  Yuebin Xu ,  Wei He

IPC: H01M50/152 ,  H01M50/107 ,  H01M50/169 ,  H01M50/184 ,  H01M50/186 ,  H01M50/583

CPC classification number: H01M50/152 ,  H01M50/107 ,  H01M50/169 ,  H01M50/184 ,  H01M50/186 ,  H01M50/583 ,  H01M2200/103

Abstract: A cover plate of a cylindrical battery and the cylindrical battery are provided by the present application. The cover plate of the cylindrical battery includes a pole column. A bottom of the pole column is connected with a current collecting plate. The pole column is sleeved with a sealing ring. A first insulating element and a cover slip are sequentially sleeved on an outside of the sealing ring along a vertical direction. The first insulating element insulates the current collecting plate from the cover slip.

公开(公告)号：US20240097291A1

公开(公告)日：2024-03-21

申请号：US18520350

申请日：2023-11-27

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Dae Kyu KIM ,  Sung Gwi KO ,  Shin Jung KIM ,  Byoung Min CHUN

IPC: H01M50/578 ,  H01M10/04 ,  H01M10/0525 ,  H01M50/107 ,  H01M50/147 ,  H01M50/152 ,  H01M50/179 ,  H01M50/342 ,  H01M50/574 ,  H01M50/588 ,  H01M50/59 ,  H01M50/593

CPC classification number: H01M50/578 ,  H01M10/0422 ,  H01M10/0525 ,  H01M50/107 ,  H01M50/147 ,  H01M50/152 ,  H01M50/179 ,  H01M50/3425 ,  H01M50/574 ,  H01M50/588 ,  H01M50/59 ,  H01M50/593

Abstract: The present invention relates to a cylindrical lithium ion secondary battery which, when an upper end of a cylindrical can is clamped, can prevent deformation of a cap assembly so as to improve safety. For an example, a cylindrical lithium ion secondary battery is disclosed, the battery comprising: a cylindrical can; an electrode assembly received in the cylindrical can; and a cap assembly for sealing the cylindrical can, wherein: the cap assembly comprises a top plate having a notch formed thereon, a support plate disposed in close contact with a lower surface of the top plate and including a first through-hole formed through the center thereof, and a bottom plate electrically connected with the electrode assembly and connected to the lower surface of the top plate through the first through-hole; and the support plate has a strength greater than a strength of the top plate.

公开(公告)号：US20240088492A1

公开(公告)日：2024-03-14

申请号：US18243658

申请日：2023-09-07

Applicant: JIANGSU ZENERGY BATTERY TECHNOLOGIES CO., LTD.

Inventor： Hongjiang YU

IPC: H01M50/179 ,  H01M50/107 ,  H01M50/152 ,  H01M50/184 ,  H01M50/186 ,  H01M50/213

CPC classification number: H01M50/179 ,  H01M50/107 ,  H01M50/152 ,  H01M50/184 ,  H01M50/186 ,  H01M50/213

Abstract: Disclosed are a cylindrical battery and a cylindrical battery module. The cylindrical battery includes: a housing provided with a first main body portion and an opening portion, the diameter of the opening portion is greater than that of the first main body portion; a top cover covering the opening portion and being connected to the opening portion in an insulating manner; a cell arranged in the first main body portion, both ends of the cell are respectively provided with a first tab and a second tab with opposite polarities, the first tab is connected to the top cover; a conductive portion penetrating through the cell, one end of the conductive portion is connected to the second tab, the other end of the conductive portion penetrates out from the top cover and is connected to the top cover in an insulating manner.