公开(公告)号：US12125965B2

公开(公告)日：2024-10-22

申请号：US17410197

申请日：2021-08-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyunghoon Cho ,  Hwiyeol Park ,  Jin S. Heo ,  Hojung Yang

IPC: H01M10/052 ,  H01M4/04 ,  H01M4/139 ,  H01M4/66 ,  H01M6/40 ,  H01M10/04 ,  H01M10/0562 ,  H01M10/0583

CPC classification number: H01M10/052 ,  H01M10/0459 ,  H01M10/0472 ,  H01M10/0562 ,  H01M10/0583 ,  H01M4/0421 ,  H01M4/139 ,  H01M4/661 ,  H01M6/40 ,  H01M2300/0071

Abstract: A secondary battery includes a first electrode collector layer and a second electrode collector layer, which face each other, a plurality of first active material layers that electrically contact the first electrode collector layer and are substantially perpendicular to the first electrode collector layer, a plurality of second active material layers that electrically contact the second electrode collector layer and are substantially perpendicular to the second electrode collector layer, and a first conductor layer that electrically contacts the first electrode collector layer and is inserted into the plurality of first active material layers.

公开(公告)号：US11239502B2

公开(公告)日：2022-02-01

申请号：US15148449

申请日：2016-05-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyunghoon Cho ,  Hwiyeol Park ,  Hojung Yang ,  Huisu Jeong ,  Seunghoon Nam ,  Jin S. Heo

IPC: H01M10/058 ,  H01M4/13 ,  H01M4/131 ,  H01M4/485 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/052 ,  H01M4/02

Abstract: A three-dimensional (“3D”) electrode structure includes an electrode collector plate, a plurality of active material plates disposed on the electrode collector plate and protruding from the electrode collector plate, and partition walls arranged on the electrode collector plate and substantially perpendicular to the plurality of active material plates in a plan view so as to provide structural stability of the plurality of first active material plates where the 3D electrode structure may be one of two electrode structures that are spaced apart from each other with an electrolyte layer therebetween.

公开(公告)号：US10312512B2

公开(公告)日：2019-06-04

申请号：US15168582

申请日：2016-05-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hojung Yang ,  Hwiyeol Park ,  Kyunghoon Cho ,  Kyounghwan Kim ,  Seunghoon Nam ,  Huisu Jeong ,  Jinseok Heo

IPC: H01M4/02 ,  H01M4/04 ,  H01M4/52 ,  H01M4/131 ,  H01M4/525 ,  H01M10/0525

Abstract: A cathode of a three-dimensional lithium secondary is defined by a sintered body including a cathode active material, in which a thickness of the sintered body is in a range of about 5 μm to about 30 μm, and an electrode density of the sintered body is in a range of about 3.7 g/cc to about 4.6 g/cc. The cathode active material may include a lithium cobalt oxide.

公开(公告)号：US20190140161A1

公开(公告)日：2019-05-09

申请号：US15804105

申请日：2017-11-06

Applicant: Samsung Electronics Co., Ltd. ,  Virginia Tech Intellectual Properties, Inc.

Inventor： Jin S. Heo ,  Kyunghoon Cho ,  Shashank Priya ,  Yonke Yan

IPC: H01L41/187 ,  H01L41/35

Abstract: A piezoelectric material includes a first material layer including a polycrystalline lead zinc niobate-lead zirconate titanate material arranged in a 001 crystal direction; and a second material layer including a mono-crystalline material having a 001 crystal face, wherein the lead zinc niobate-lead zirconate titanate and the mono-crystalline material are different. Also a piezoelectric device including the piezoelectric material.

公开(公告)号：US10243179B2

公开(公告)日：2019-03-26

申请号：US15270191

申请日：2016-09-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Huisu Jeong ,  Kyunghoon Cho ,  Hojung Yang ,  Hwiyeol Park ,  Jin S. Heo

IPC: H01M2/10 ,  H01M10/05 ,  H01M4/13 ,  H01M10/0585 ,  H01M4/139 ,  H01M10/04 ,  H01M10/052 ,  H01M10/0562 ,  H01M10/058 ,  H01M4/04 ,  H01M4/02

Abstract: A secondary battery including: a plurality of unit cells, wherein each unit cell of the plurality of unit cells includes a cathode extending in a top to bottom direction, an electrolyte membrane surrounding at least three surfaces of the cathode, and an anode surrounding at least a portion of the electrolyte membrane, wherein unit cells of the plurality of unit cells are spaced apart from each other in a left to right direction, with cavities therebetween, and a support member configured to support the plurality of unit cells in the left to right direction and disposed between unit cells of the plurality of unit cells.

公开(公告)号：US09979043B2

公开(公告)日：2018-05-22

申请号：US14982748

申请日：2015-12-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hojung Yang ,  Jinseok Heo ,  Hwiyeol Park ,  Kyunghoon Cho

IPC: H01M10/04 ,  H01M4/48 ,  H01M4/66 ,  H01M10/052

CPC classification number: H01M10/04 ,  H01M4/48 ,  H01M4/668 ,  H01M10/052

Abstract: A three dimensional (“3D”) secondary battery includes an electrolyte layer and an anode active material layer that are sequentially stacked on a plurality of first trenches that are provided in a cathode active material layer where, in the anode active material layer, a plurality of second trenches having similar shape to that of the first trenches is provided and the plurality of second trenches are filled with an elastic member and where the elastic member absorbs expansion of the anode active material layer during charging and discharging the 3D secondary battery, and thus, the degradation of the 3-dimensional secondary battery is prevented.