公开(公告)号：US20170125776A1

公开(公告)日：2017-05-04

申请号：US15334214

申请日：2016-10-25

Applicant: Samsung SDI Co., Ltd.

Inventor： Sangheon Lee ,  Wonseok Kim ,  Youngchang Lim ,  Kyung Kim ,  Kyeongyi Heo ,  Jandee Kim ,  Somin Kim

IPC: H01M2/26 ,  H01M2/02 ,  H01M2/30 ,  H01M10/04 ,  H01M2/06

Abstract: A secondary battery includes an electrode assembly, a battery case configured to house the electrode assembly and an electrolyte, a lead terminal extending from a coupling section with the electrode assembly, through the battery case and protrudes outside the battery case, and an adhesive layer on the lead terminal having adhesion depending on a reaction of the adhesive layer to the electrolyte. The secondary battery has an improved structure so that an internal short circuit is prevented and stability of the secondary battery is improved.

公开(公告)号：US11532859B2

公开(公告)日：2022-12-20

申请号：US16347063

申请日：2017-11-06

Applicant: Samsung SDI Co., Ltd.

Inventor： Da-Un Han ,  Bong-Kyoung Park ,  Wonkyu Bang ,  Juhee Sohn ,  Hyunhwa Song ,  Jungyup Yang ,  Hyeri Eom ,  Seungjae Lee ,  Sol Choi ,  Juhyeong Han ,  Seokhun Hong ,  Jandee Kim ,  Junggyu Nam ,  Junwon Suh ,  Jeongdoo Yi

IPC: H01M50/54 ,  H01M10/04 ,  H01M10/0585 ,  H01M50/40 ,  H01M50/105 ,  H01M50/183

Abstract: The present disclosure relates to a rechargeable battery including an electrode assembly that includes a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode, a first electrode tab that is electrically connected with the first electrode, and includes at least one first bent portion, a second electrode tab that is electrically connected with the second electrode, and includes at least one second bent portion, and exterior member that receives the electrode assembly, and a reinforcement member that is disposed in the first exterior member, while being disposed adjacent to at least one of the first electrode tab and the second electrode tab.

公开(公告)号：US11043713B2

公开(公告)日：2021-06-22

申请号：US16329181

申请日：2016-09-07

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sol Choi ,  Jandee Kim ,  Junggyu Nam ,  Bong-Kyoung Park ,  Junwon Suh ,  Juhee Sohn ,  Jungyup Yang ,  Jeongdoo Yi ,  Juhyeong Han ,  Hyunhwa Song ,  Hyeri Eom ,  Da-Un Han ,  Seokhun Hong

IPC: H01M50/20 ,  H01M10/0587 ,  H01M50/172 ,  H01M50/502 ,  H01M50/531 ,  H01M50/543 ,  A44C5/10 ,  G04G19/00

Abstract: The present invention relates to a band assembly including a first outer connecting portion and a second outer connecting portion disposed to face each other, wherein the first outer connecting portion includes a first fastening hole and the second outer connecting portion includes a third fastening hole, an inner connecting portion disposed between the first outer connecting portion and the second outer connecting portion, wherein the inner connecting portion includes a second fastening hole that corresponds to the first fastening hole and the third fastening hole, and a rechargeable battery inserted into the first fastening hole, the second fastening hole, and the third fastening hole to connect the first outer connecting portion, the inner connecting portion, and the second outer connecting portion.

公开(公告)号：US11870079B2

公开(公告)日：2024-01-09

申请号：US16491038

申请日：2018-02-23

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Juhee Sohn ,  Junggyu Nam ,  Junwon Suh ,  Jungyup Yang ,  Hyeri Eom ,  Jeongdoo Yi ,  Daun Han ,  Juhyeong Han ,  Seokhun Hong ,  Jandee Kim ,  Bongkyoung Park ,  Hyunhwa Song ,  Sol Choi

IPC: H01M10/052 ,  H01M4/74 ,  H01M10/0585

CPC classification number: H01M4/74 ,  H01M10/052 ,  H01M10/0585

Abstract: Provided is a stacked electrode assembly including: a lowermost electrode arranged on a lowermost portion of the stacked electrode assembly; an uppermost electrode arranged on an uppermost portion of the stacked electrode assembly; at least one unit stacked body arranged between the lowermost electrode and the uppermost electrode and including a positive electrode, a negative electrode, and a separator, the separator being arranged between the positive electrode and the negative electrode; and a separator arranged between the lowermost electrode and the at least one unit stacked body, and between the at least one unit stacked body and the uppermost electrode. A capacity and energy density of a lithium battery may be improved by employing an electrode including a mesh electrode current collector as the lowermost electrode or the uppermost electrode of the stacked electrode assembly.

公开(公告)号：US11043722B2

公开(公告)日：2021-06-22

申请号：US15654949

申请日：2017-07-20

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Taesoo Lee ,  Junwon Suh ,  Jandee Kim ,  Jeongdoo Yi ,  Junggyu Nam ,  Jungyup Yang ,  Wonkyu Bang ,  Juhyeong Han ,  Bong-Kyoung Park ,  Juhee Sohn ,  Da-Un Han ,  Sol Choi ,  Seokhun Hong ,  Hyunhwa Song ,  Hyeri Eom

IPC: H01M50/545 ,  H01M50/124 ,  H01M50/183 ,  H01M50/543 ,  H01M50/557 ,  H01M10/04 ,  H01M50/116 ,  H01M50/46

Abstract: A flexible rechargeable battery includes a first conductive substrate, a second conductive substrate, and a seal. The first conductive substrate includes a first protrusion. The second conductive substrate faces the first conductive substrate and includes a second protrusion. The seal is located along at least one edge of the first conductive substrate and the second conductive substrate, and includes at least one sealing metal layer and at least one sealing resin layer.

公开(公告)号：US10854857B2

公开(公告)日：2020-12-01

申请号：US15459281

申请日：2017-03-15

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyeri Eom ,  Jandee Kim ,  Junggyu Nam ,  Bongkyoung Park ,  Wonkyu Bang ,  Junwon Suh ,  Juhee Sohn ,  Jungyup Yang ,  Jeongdoo Yi ,  Juhyeong Han ,  Hyunhwa Song ,  Taesoo Lee ,  Sol Choi ,  Daun Han ,  Seokhun Hong

IPC: H01M2/02 ,  H01M10/04 ,  H01M2/08 ,  H01M2/06

Abstract: A secondary battery including an electrode assembly; a first case that includes an electrode assembly accommodating space; and a second case that coupled to the first case, the second case facing the first case and having a convex-concave pattern.

公开(公告)号：US10749151B2

公开(公告)日：2020-08-18

申请号：US15719319

申请日：2017-09-28

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Juhyeong Han ,  Junwon Suh ,  Jandee Kim ,  Junggyu Nam ,  Wonkyu Bang ,  Juhee Sohn ,  Hyunhwa Song ,  Jungyup Yang ,  Hyeri Eom ,  Jeongdoo Yi ,  Seungjae Lee ,  Sol Choi ,  Da-Un Han ,  Seokhun Hong

IPC: H01M2/08 ,  H01M10/647 ,  H01M2/02 ,  H01M10/0525

Abstract: A pouch-type rechargeable battery according to one or more exemplary embodiments includes: an electrode assembly; an exterior material receiving the electrode assembly; and a sealing portion arranged at an edge of the exterior material, and including at least one metal particle and a resin surrounding the at least one metal particle, and an area ratio of the at least one metal particle and the resin in a cross-section of the sealing portion cut along a direction that is perpendicular to a lengthwise direction of the sealing portion is from 1:99 to 6:4.

公开(公告)号：US10686179B2

公开(公告)日：2020-06-16

申请号：US15334214

申请日：2016-10-25

Applicant: Samsung SDI Co., Ltd.

Inventor： Sangheon Lee ,  Wonseok Kim ,  Youngchang Lim ,  Kyung Kim ,  Kyeongyi Heo ,  Jandee Kim ,  Somin Kim

IPC: H01M2/26 ,  H01M2/22 ,  H01M2/06 ,  H01M2/02 ,  H01M2/30 ,  H01M2/20 ,  H01M10/04

Abstract: A secondary battery includes an electrode assembly, a battery case configured to house the electrode assembly and an electrolyte, a lead terminal extending from a coupling section with the electrode assembly, through the battery case and protrudes outside the battery case, and an adhesive layer on the lead terminal having adhesion depending on a reaction of the adhesive layer to the electrolyte. The secondary battery has an improved structure so that an internal short circuit is prevented and stability of the secondary battery is improved.

公开(公告)号：US10374249B2

公开(公告)日：2019-08-06

申请号：US15653865

申请日：2017-07-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Young Chang Lim ,  Kyung Kim ,  Wonseok Kim ,  Sangheon Lee ,  Jandee Kim ,  Kyeongyi Heo

IPC: H01M2/14 ,  H01M2/26 ,  H01M2/34 ,  H01M10/04 ,  H01M10/28 ,  H01M10/42 ,  H01M10/0587

Abstract: A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator, the first electrode and the second electrode being wound with the separator therebetween, and a case to receive the electrode assembly, wherein the first electrode includes a first tab part having a first coating region and a plurality of first uncoated tabs protruding out of the first coating region, the first coating region being coated with a first active material, and the plurality of first uncoated tabs not being coated with the first active material, and a first non-tab part connected to the first tab part, the first non-tab part wrapping the first tab part at an outermost portion thereof at least one time.