公开(公告)号：US20240258652A1

公开(公告)日：2024-08-01

申请号：US18560606

申请日：2022-11-08

Applicant: LG Energy Solution, Ltd.

Inventor： Sung Hwan Jang ,  Jun Yeob Seong ,  Hyoung Suk Lee

IPC: H01M50/502 ,  H01M50/211 ,  H01M50/367 ,  H01M50/54

CPC classification number: H01M50/502 ,  H01M50/211 ,  H01M50/367 ,  H01M50/54

Abstract: A battery module includes a battery cell assembly in which two or more longitudinal unit cells, each of which has electrode leads at both ends in the longitudinal direction arranged in a row in the longitudinal direction, are stacked in two or more columns in the thickness direction of the battery cell; a terminal bus bar coupled to the battery cell; a venting plate installed between the columns of the longitudinal unit cells and having a gas venting channel therein; and a module case configured to accommodate the battery cell assembly and the venting plate. The electrode leads of the adjacent battery cells except for the battery cells coupled to the terminal bus bar are directly connected to each other, and a venting hole communicating with the gas venting channel is provided in the module case.

公开(公告)号：US20240253477A1

公开(公告)日：2024-08-01

申请号：US18159757

申请日：2023-01-26

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Christopher Schlaupitz

IPC: B60L50/64 ,  H01M50/105 ,  H01M50/119 ,  H01M50/124 ,  H01M50/16 ,  H01M50/54 ,  H01M50/562

CPC classification number: B60L50/64 ,  H01M50/105 ,  H01M50/119 ,  H01M50/124 ,  H01M50/16 ,  H01M50/54 ,  H01M50/562 ,  H01M2220/20

Abstract: Presented are terminal end caps for pouch-type battery cells, vehicles equipped with rechargeable battery packs containing such pouch cells, and methods for making/using such caps, cells, and/or vehicles. A battery cell assembly includes a cell pouch with flexible pouch walls that are joined along a peripheral seam to define one or more openings at one or both ends of the cell pouch. Located inside the cell pouch is an ion-conducting electrolyte and one or more pairs of working electrodes in electrochemical contact with the electrolyte. Also located inside the cell pouch and interposed between each pair of working electrodes is an electrically isolating separator sheet. A terminal end cap is located in each pouch opening and attached to the flexible pouch walls. Each terminal end cap includes a rigid polymeric cap body with one or more electrical terminals embedded in the cap body and electrically connected at least one electrode.

公开(公告)号：US12051816B2

公开(公告)日：2024-07-30

申请号：US17460311

申请日：2021-08-30

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kazuyoshi Honda ,  Akira Kawase ,  Eiichi Koga ,  Kouji Nishida ,  Noboru Masuda ,  Takeshi Yamasaki

IPC: H01M50/548 ,  H01M10/0525 ,  H01M50/186 ,  H01M50/531 ,  H01M50/54 ,  H01M50/553

CPC classification number: H01M50/186 ,  H01M10/0525 ,  H01M50/531 ,  H01M50/54 ,  H01M50/548 ,  H01M50/553

Abstract: A laminated battery includes battery cells which are laminated and a current collecting lead. Each of the battery cells has a structure in which a positive electrode current collector, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector are laminated in this order. The battery cells include first and second battery cells adjacent to each other. At least the second battery cell has a side surface inclined with respect to a laminating direction of the battery cells. The first battery cell has a surface facing the second battery cell and including an exposed surface not in contact with the second battery cell. At least part of the exposed surface overlaps at least part of the side surface of the second battery cell viewed from the laminating direction. The current collecting lead is connected to the exposed surface.

公开(公告)号：US12046714B2

公开(公告)日：2024-07-23

申请号：US17293231

申请日：2019-11-28

Applicant: TDK CORPORATION

Inventor： Tomohiro Yano

IPC: H01M10/0562 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/543 ,  H01M4/02 ,  H01M50/533 ,  H01M50/534 ,  H01M50/54 ,  H01M50/548 ,  H01M50/562

CPC classification number: H01M10/0562 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0585 ,  H01M2004/027 ,  H01M2004/028 ,  H01M50/533 ,  H01M50/534 ,  H01M50/54 ,  H01M50/548 ,  H01M50/562 ,  H01M2220/30 ,  H01M2300/0065 ,  Y02E60/10 ,  Y02P70/50

Abstract: An all-solid-state battery includes: a laminated body having a first lateral face with a positive electrode and negative electrode laminated with a solid electrolyte layer therebetween and wherein a positive electrode current collector layer is exposed and a second lateral face faces the first face and wherein a negative electrode current collector layer is exposed; a positive electrode external terminal on the first face; and a negative electrode external terminal on the second face. At least one difference between a distance Lcn or a distance Lcn+1 from a second face side edge part of a positive electrode of an nth layer or an n+1th layer to the second face and a difference between a distance Lan or a distance Lan+1 from a first lateral face side edge part of a negative electrode of an nth layer or an n+1th layer to the first lateral faces is 10 μm or more.

公开(公告)号：US20240222816A1

公开(公告)日：2024-07-04

申请号：US18399787

申请日：2023-12-29

Applicant: Dongguan Amperex Technology Limited

Inventor： Fudong JIN

IPC: H01M50/54 ,  H01M10/0585

CPC classification number: H01M50/54 ,  H01M10/0585 ,  H01M10/0525

Abstract: An electrochemical apparatus includes a first electrode plate and a second electrode plate separated by a separator, and a first tab adhesive and a first electrode plate adhesive. The first electrode plate is provided with a first mounting groove for accommodating the first tab adhesive. The second electrode plate is provided with a second mounting groove on a surface facing the first electrode plate, the first electrode plate adhesive being accommodated in the second mounting groove. With the foregoing structure, the electrochemical apparatus of some embodiments of this application can effectively solve the problem of increased overall thickness of the electrochemical apparatus caused by the provision of the first tab adhesive and the first electrode plate adhesive.

公开(公告)号：US20240222701A1

公开(公告)日：2024-07-04

申请号：US18606411

申请日：2024-03-15

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Satomi Yamamoto ,  Keisuke Omori ,  Hajime Hasegawa

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/54

CPC classification number: H01M10/0562 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/54 ,  H01M2300/0065

Abstract: An all solid state battery in which shift in positions of a plurality of a cell unit arranged along a thickness direction can be prevented is provided. The all solid state battery includes a plurality of the cell unit connected in series. The all solid state battery includes a cell unit A and a cell unit B, a second current collector AY in the cell unit A and a second current collector BX in the cell unit B are arranged to face each other interposing a first insulating portion, and a tab AX, a tab AY, and a tab B are fixed by a fixing member.

公开(公告)号：US11984567B2

公开(公告)日：2024-05-14

申请号：US16857461

申请日：2020-04-24

Applicant: SK On Co., Ltd.

Inventor： Seok Hwan Lee ,  Seok Min Kim ,  Hae Ryong Jeon ,  Seung Hoon Ju ,  Ha Neul Choi

IPC: H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/653 ,  H01M10/6553 ,  H01M10/6554 ,  H01M10/6555 ,  H01M50/105 ,  H01M50/178 ,  H01M50/211 ,  H01M50/224 ,  H01M50/24 ,  H01M50/26 ,  H01M50/271 ,  H01M50/54 ,  H01M50/548 ,  H01M50/553

CPC classification number: H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/653 ,  H01M10/6553 ,  H01M10/6554 ,  H01M10/6555 ,  H01M50/105 ,  H01M50/178 ,  H01M50/211 ,  H01M50/224 ,  H01M50/24 ,  H01M50/26 ,  H01M50/271 ,  H01M50/54 ,  H01M50/548 ,  H01M50/553

Abstract: A battery module includes at least one battery cell; a first plate disposed on one side of the at least one battery cell to dissipate heat generated by the at least one battery cell externally; and a second plate disposed on the other side of the at least one battery cell to dissipate heat generated by the at least one battery cell externally, wherein an electrode lead of the at least one battery cell is disposed between the first plate and the second plate, and is disposed to be biased toward the first plate.

公开(公告)号：US20240145879A1

公开(公告)日：2024-05-02

申请号：US18490753

申请日：2023-10-20

Applicant: Prime Planet Energy & Solutions, Inc.

Inventor： Kaito KARASUNO ,  Hiroshi TAKABAYASHI

IPC: H01M50/54 ,  H01M10/658 ,  H01M50/103 ,  H01M50/627

CPC classification number: H01M50/54 ,  H01M10/658 ,  H01M50/103 ,  H01M50/627

Abstract: Provided is a technique suppressing an electrode assembly inside an outer case from moving in a vertical direction with a simple configuration. An electric storage device includes the electrode assembly, the outer case, a sealing plate, a current collector, and an insulating member. The electrode assembly includes a tab. The outer case includes a bottom surface and an opening opposed to the bottom surface, and is a member accommodating the electrode assembly inside. The sealing plate covers the opening. The current collector is attached to the sealing plate, and is electrically connected to the electrode assembly via the tab. The insulating member is arranged between the sealing plate and the current collector. In addition, the insulating member includes an extension part configured to extend toward the electrode assembly so as to press the electrode assembly onto the bottom surface.

公开(公告)号：US20240136594A1

公开(公告)日：2024-04-25

申请号：US18381816

申请日：2023-10-18

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jihyoung PARK

IPC: H01M10/0585 ,  H01M50/105 ,  H01M50/202 ,  H01M50/54

CPC classification number: H01M10/0585 ,  H01M50/105 ,  H01M50/202 ,  H01M50/54

Abstract: An all-solid-state battery, including an electrode stacked body in which a positive electrode plate, a solid electrolyte layer, and a negative electrode plate are stacked, a gasket provided as a pair in a stacking direction on an outer edge of the electrode stacked body, and a pouch including a pair of pouch sheets on opposite surfaces of the electrode stacked body and opposite surfaces of the gasket, wherein the electrode stacked body has a first symmetrical structure that is vertically symmetrical with respect to a central line of the stacking direction at an edge portion in the gasket and the pouch.

公开(公告)号：US20240128465A1

公开(公告)日：2024-04-18

申请号：US18540870

申请日：2023-12-15

Applicant: SoftBank Corp.

Inventor： Takaya SAITO ,  Yoshiki TAKAYANAGI ,  Shuntaro MIYAKAWA

IPC: H01M4/66 ,  H01M50/54

CPC classification number: H01M4/667 ,  H01M50/54

Abstract: A manufacturing method of a multilayer collector is provided, comprising preparing a resin layer, and a laminate in which collectors including a first metal layer and a second metal layer arranged on both sides of the resin layer are laminated, arranging a tab on one of an upper surface side and a lower surface side of the laminate, and a Sub-tab on another, performing heat compression on a portion to be welded of the tab, the laminate, and the Sub-tab in a laminating direction, to elute resin of the resin layer in the portion to be welded, and performing resistance welding on the portion to be welded.