公开(公告)号：US20240356126A1

公开(公告)日：2024-10-24

申请号：US18762226

申请日：2024-07-02

Applicant: MURATA MANUFACTURING CO., LTD.

Inventor： Naoto AKIZUKI

IPC: H01M50/186 ,  H01M50/107 ,  H01M50/152 ,  H01M50/474 ,  H01M50/477

CPC classification number: H01M50/186 ,  H01M50/107 ,  H01M50/152 ,  H01M50/474 ,  H01M50/477

Abstract: A secondary battery is provided and includes an electrode assembly; a first exterior portion housing the electrode assembly and having an opening; a second exterior portion covering the opening and an outer surface of the first exterior portion, the outer surface forming the opening; and an insulator disposed between the outer surface of the first exterior portion and the second exterior portion, the insulator surrounding the opening, the insulator in which an additional member is circularly and intermittently disposed around the opening.

公开(公告)号：US20240356123A1

公开(公告)日：2024-10-24

申请号：US18485692

申请日：2023-10-12

Applicant: Samsung SDI Co., Ltd.

Inventor： Sung Gwi KO ,  Gun Gue PARK ,  Hyun Ki JUNG ,  Myung Seob KIM ,  Yoon Sun YOO ,  Woo Tae JUN ,  Gwan Hyeon YU

IPC: H01M50/184 ,  H01M50/107 ,  H01M50/152 ,  H01M50/167 ,  H01M50/186 ,  H01M50/533

CPC classification number: H01M50/184 ,  H01M50/107 ,  H01M50/152 ,  H01M50/167 ,  H01M50/186 ,  H01M50/533

Abstract: A cylindrical secondary battery includes: an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a cylindrical case accommodating the electrode assembly and electrically connected to the second electrode plate; a terminal coupled to a lower surface of the case through a first gasket and electrically connected to the first electrode plate; a cap plate sealing the upper end of the case; and a second gasket between the case and the cap plate, the second gasket having: a sidewall portion in close contact with a side surface of the case; and a bottom portion extending inwardly from a bottom end of the sidewall portion and having at least one opening formed therein. The bottom portion of the second gasket having flange parts extending from the sidewall portion in an edge region and a bridge part connecting the flange parts to each other.

公开(公告)号：US20240356114A1

公开(公告)日：2024-10-24

申请号：US18038448

申请日：2022-09-28

Applicant: SHENZHEN JUHEYUAN TECHNOLOGY CO., LTD.

Inventor： Sifan Wang ,  Kewen Cheng ,  Zhilin Cheng

IPC: H01M50/107 ,  H01M10/04 ,  H01M50/119 ,  H01M50/152 ,  H01M50/159 ,  H01M50/169 ,  H01M50/191 ,  H01M50/578 ,  H01M50/636

CPC classification number: H01M50/107 ,  H01M10/0431 ,  H01M50/119 ,  H01M50/152 ,  H01M50/159 ,  H01M50/169 ,  H01M50/191 ,  H01M50/578 ,  H01M50/636

Abstract: A brimless cylindrical battery structure, comprising a combination cover with a pressure relief structure, a bottom cover, a roll core with single or multiple tabs at both ends, and a shell used as a roll core storage container, a combination cover, and a welding carrier for the bottom cover; the roll core is put into the shell; the positive tab of the roll core is connected to the combination cover, and the negative tab of the roll core is connected to the bottom cover; the combination cover forms the positive pole accordingly, and the bottom cover forms the negative pole accordingly; the combination cover and the bottom cover are sealed and installed on both sides of the shell. The invention has high consistency in appearance and size, higher safety performance and higher capacity battery to increase customer experience.

公开(公告)号：US20240339650A1

公开(公告)日：2024-10-10

申请号：US18707760

申请日：2022-07-19

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Jae-Eun LEE ,  Jong-Sik PARK ,  Je-Jun LEE ,  Hak-Kyun KIM ,  Sang-Yeol KIM ,  Jae-Won LIM ,  Yu-Sung CHOE ,  Byoung-Gu LEE ,  Duk-Hyun RYU ,  Kwan-Hee LEE

IPC: H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/167 ,  H01M50/559 ,  H01M50/567

CPC classification number: H01M10/0431 ,  H01M50/107 ,  H01M50/152 ,  H01M50/167 ,  H01M50/559 ,  H01M50/567

Abstract: In the electrode assembly, the first uncoated portion provided at a long side end of a first electrode includes a segment region divided into a plurality of independently bendable segments by a plurality of cut grooves provided along a winding direction. The segment region includes a plurality of segment groups disposed with a group separation pitch along the winding direction. The plurality of segment groups constitute at least one segment alignment on one side of the electrode assembly. At least some of central points of winding turn arcs where the p number of segment groups are located are not located on a predetermined alignment line extending in the radial direction from the center of the core.

公开(公告)号：US20240332683A1

公开(公告)日：2024-10-03

申请号：US18734971

申请日：2024-06-05

Applicant: Samsung SDI Co., Ltd.

Inventor： Jong-Ha LEE ,  Byoungmin CHUN

IPC: H01M50/152 ,  H01M10/04 ,  H01M10/0587 ,  H01M50/109 ,  H01M50/147 ,  H01M50/153 ,  H01M50/172 ,  H01M50/538 ,  H01M50/543

CPC classification number: H01M50/152 ,  H01M10/0427 ,  H01M10/0587 ,  H01M50/109 ,  H01M50/147 ,  H01M50/153 ,  H01M50/172 ,  H01M50/538 ,  H01M50/543 ,  H01M2220/30

Abstract: A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, a separator between the first and second electrodes, and first and second electrode tabs respectively coupled to the first and second electrodes; a case accommodating the electrode assembly and coupled to the first electrode tab; and a cap assembly sealing an opening in the case. The cap assembly includes: a cap plate covering the opening in the case; and a terminal plate coupled to the cap plate. The terminal plate includes: a flange portion coupled to and electrically insulated from the cap plate; and a tab connecting portion protruding from the flange portion toward the electrode assembly and extending through a terminal opening in the cap plate to be coupled to the second electrode tab. The terminal plate has a flat outer surface, and the tab connecting portion has a flat inner surface.

公开(公告)号：US20240322406A1

公开(公告)日：2024-09-26

申请号：US18577050

申请日：2022-06-24

Applicant: Panasonic Energy Co., Ltd.

Inventor： Shin Haraguchi ,  Takumi Kusano ,  Oose Okutani

IPC: H01M50/588 ,  H01M50/107 ,  H01M50/152 ,  H01M50/193 ,  H01M50/342 ,  H01M50/559

CPC classification number: H01M50/588 ,  H01M50/107 ,  H01M50/152 ,  H01M50/193 ,  H01M50/559 ,  H01M50/3425

Abstract: A cylindrical battery exemplifying one embodiment comprises an electrode assembly, a bottomed cylindrical external can that accommodates the electrode assembly, a sealing assembly that blocks an opening of the external can, a gasket that is interposed between the external can and the sealing assembly, and an external terminal plate that is joined to the outer surface of the external can. The external terminal plate is a metal plate having a thick portion and a thin portion, and the thin portion is joined to an open edge of the external can.

公开(公告)号：US20240322311A1

公开(公告)日：2024-09-26

申请号：US18679495

申请日：2024-05-31

Applicant: Chao CHEN

Inventor： Chao CHEN

IPC: H01M50/152 ,  H01M10/0525 ,  H01M10/0587 ,  H01M10/42 ,  H01M50/107 ,  H01M50/119 ,  H01M50/143 ,  H01M50/159 ,  H01M50/342 ,  H01M50/414

CPC classification number: H01M50/152 ,  H01M10/0525 ,  H01M10/0587 ,  H01M10/425 ,  H01M50/107 ,  H01M50/119 ,  H01M50/143 ,  H01M50/159 ,  H01M50/342 ,  H01M50/414 ,  H01M2010/4271 ,  H01M2200/20

Abstract: The invention aims to provide a cylindrical lithium battery cap with a built-in BMS board and a cylindrical lithium battery with the cap, which have the characteristics of compact and reasonable structure, convenient manufacturing and miniaturization, and can minimize the effect of the need to install the BMS board resulting in smaller cell capacity.

公开(公告)号：US20240313367A1

公开(公告)日：2024-09-19

申请号：US18576568

申请日：2022-06-29

Applicant: Panasonic Energy Co., Ltd. ,  Panasonic Holdings Corporation

Inventor： Suguru Matsumura ,  Tomoaki Shinobu

IPC: H01M50/538 ,  H01M10/04 ,  H01M50/107 ,  H01M50/152 ,  H01M50/536

CPC classification number: H01M50/538 ,  H01M10/0431 ,  H01M50/107 ,  H01M50/152 ,  H01M50/536

Abstract: In a cylindrical battery, a negative electrode has a core body and a mixture layer laminated on at least a portion of the surface of the core body, and has a protrusion part in which the core body protrudes from one end face of an electrode body in a winding axis direction; the protrusion part includes a welded region disposed, in a substantially constant width, along the radial direction of the electrode body, and a non-welded region adjacent to the welded region; the protrusion part in the welded region has, at both ends in the width direction, projections projecting from a central portion; the projections project from the protrusion part in the non-welded region; the protrusion part in the welded region is welded to a lower current collector; and the lower current collector is connected to an outer can.

公开(公告)号：US20240313271A1

公开(公告)日：2024-09-19

申请号：US18677928

申请日：2024-05-30

Applicant: Jinhui ZENG

Inventor： Jinhui ZENG

IPC: H01M10/42 ,  B65B5/04 ,  B65C1/02 ,  H01M10/052 ,  H01M10/0587 ,  H01M50/119 ,  H01M50/14 ,  H01M50/152 ,  H01M50/159 ,  H01M50/186 ,  H01M50/562 ,  H01M50/566

CPC classification number: H01M10/4257 ,  B65B5/04 ,  B65C1/02 ,  H01M10/052 ,  H01M10/0587 ,  H01M50/119 ,  H01M50/14 ,  H01M50/152 ,  H01M50/159 ,  H01M50/186 ,  H01M50/562 ,  H01M50/566 ,  H01M2010/4271

Abstract: The invention discloses a production process for a rechargeable cylindrical lithium battery with a built-in BMS board, which includes a cap production process, a battery cell production process and a finished product assembly and production process, solves the size and weight problems caused by the traditional external BMS by integrating the BMS board inside the cylindrical lithium battery, and has high integration level and stability, providing protection for battery charging and discharging, and improving the safety performance of the battery.

公开(公告)号：US20240304913A1

公开(公告)日：2024-09-12

申请号：US18599318

申请日：2024-03-08

Applicant: Greatbatch Ltd.

Inventor： Gary Freitag ,  Paul T. Hallifax ,  Michael F. Scalise

IPC: H01M50/191 ,  H01M50/119 ,  H01M50/148 ,  H01M50/152 ,  H01M50/184

CPC classification number: H01M50/191 ,  H01M50/119 ,  H01M50/152 ,  H01M50/154 ,  H01M50/184

Abstract: A case-neutral electrochemical cell has an electrode assembly comprising a separator positioned between an anode and a cathode housed inside a casing. The casing supports a co-axial glass-to-metal seal comprising an inner insulating glass hermetically sealed to a terminal pin and to the inner annular surface of an inner ferrule. An outer insulating glass is hermetically sealed to the outer annular surface of the inner ferrule and the inner annular surface of an outer ferrule, and the outer ferrule is secured to an opening in the casing. Then, one of the anode and the cathode is connected to the terminal pin and the other of the anode and the cathole is connected to the first or inner ferrule. An electrolyte is provided in the casing to activate the electrode assembly.