公开(公告)号：US11499009B2

公开(公告)日：2022-11-15

申请号：US16688203

申请日：2019-11-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： In Ki Kim ,  Feifei Fang ,  In Su Lee ,  Hyoungwoo Choi ,  In Kim ,  Kyeong Pang ,  Sung Dug Kim

IPC: H01M4/02 ,  C08G63/60 ,  C08K3/22 ,  H01M50/116 ,  H01M50/155

Abstract: A liquid crystal polymer including structural units derived from an aromatic hydroxy carboxylic acid in an amount of greater than about 30 mol % and less than or equal to about 50 mol %, an aromatic dicarboxylic acid which includes about 50 mol % or greater of a structural unit derived from a compound including two carboxyl groups at a meta-position of an aromatic ring in an amount greater than or equal to about 50 mol % of the amount of the structural unit derived from the aromatic hydroxy carboxylic acid, each based on total moles of the structural units in the liquid crystal polymer, and an aromatic diol that is 4,4′-dihydroxybiphenyl, hydroquinone, or a combination thereof; a composite composition including the liquid crystal polymer, an article produced from the liquid crystal polymer or the composite composition, a battery case including the article, and a battery including the battery case and an electrode assembly.

公开(公告)号：US10964971B2

公开(公告)日：2021-03-30

申请号：US16225795

申请日：2018-12-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Feifei Fang ,  In Ki Kim ,  Kyeong Pang ,  Joungeun Yoo ,  In Su Lee ,  Ginam Kim ,  In Kim ,  Hyoungwoo Choi

IPC: H01M10/04 ,  H01M2/04 ,  H01M2/02 ,  C08L67/04 ,  C08K3/34 ,  C08L67/02 ,  C08K9/04 ,  C09K19/38

Abstract: A battery casing including a container configured to house an electrode assembly, wherein the container includes a bottom wall and a plurality of side walls, the bottom wall and the plurality of side walls are integrated to define an open side opposite to the bottom wall and to define a space for housing the electrode assembly, at least one of the bottom wall and plurality of the side walls includes a composite including a thermotropic liquid crystal polymer and a nanoclay dispersed in the thermotropic liquid crystal polymer, wherein the main chain of the thermotropic liquid crystal polymer includes an aromatic oxycarbonyl repeating unit and an alkylene moiety-containing repeating unit, and at least a portion of the nanoclay is present in an exfoliated state, and an X-ray diffraction pattern of the composite does not exhibit an intrinsic peak corresponding to the nanoclay.

公开(公告)号：US11901499B2

公开(公告)日：2024-02-13

申请号：US16851617

申请日：2020-04-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Song Won Hyun ,  In Kim ,  Kyeong Pang ,  Moo Ho Lee ,  Hye Jeong Lee ,  In Su Lee

IPC: H01M10/0525 ,  H01M50/24 ,  H01M50/55 ,  H01M50/553 ,  H01M50/122 ,  H01M50/117 ,  H01M50/131 ,  H01M50/141 ,  H01M50/16 ,  H01M50/157 ,  H01M50/162 ,  H01M50/121

CPC classification number: H01M10/0525 ,  H01M50/117 ,  H01M50/121 ,  H01M50/122 ,  H01M50/131 ,  H01M50/141 ,  H01M50/157 ,  H01M50/16 ,  H01M50/162 ,  H01M50/24 ,  H01M50/55 ,  H01M50/553 ,  H01M2220/20

Abstract: A composite including a polymer matrix; an inorganic moisture absorber; a ceramic filler, graphite, or a combination thereof; and a tracking resistance polymer, wherein the tracking resistance polymer includes an average bond energy between an atom forming a main chain and another atom covalently bonded to the atom that forms the main chain of about 350 kJ/mol to about 500 kJ/mol; a carbonaceous residue yield after pyrolysis of less than or equal to about 5 weight percent, based on the amount of the tracking resistance polymer before pyrolysis; or a combination thereof.

公开(公告)号：US11094982B2

公开(公告)日：2021-08-17

申请号：US16298229

申请日：2019-03-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Moo Ho Lee ,  Moon Il Jung ,  In Kim ,  In Su Lee ,  Junghoon Lee ,  Hye Jeong Lee ,  Song Won Hyun

IPC: H01M50/116 ,  H01M10/0525 ,  B32B27/08 ,  B32B27/32 ,  H01M50/20 ,  H01M50/24 ,  H01M50/155 ,  H01M50/166

Abstract: A battery case including a container configured to house an electrode assembly, wherein the container includes a bottom wall and a plurality of side walls, the bottom wall and the side walls integrated to define a space for housing the electrode assembly and an open side opposed to the bottom wall, the container includes a composite including a polymer matrix, an inorganic moisture absorbent dispersed in the base polymer, and a compatibilizer to promote compatibility between the polymer matrix and the inorganic moisture absorbent, the compatibilizer is included in an amount of less than about 3 wt % based on a total weight of the composite, at least one of the bottom wall and the side walls at a thickness of 1 millimeter has a water vapor transmission rate of less than about 0.07 g/m2/day, when measured at 38° C. and a relative humidity of 100%.

公开(公告)号：US11088357B2

公开(公告)日：2021-08-10

申请号：US16217126

申请日：2018-12-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moon Il Jung ,  Song Won Hyun ,  In Kim ,  Moo Ho Lee ,  In Su Lee ,  Junghoon Lee ,  Hye Jeong Lee ,  Ginam Kim

IPC: H01M2/28 ,  H01M2/02 ,  H01M10/058 ,  H01M2/06 ,  H01M2/04 ,  H01M10/0525 ,  H01M10/52

Abstract: A battery case including: a container configured to house an electrode assembly, wherein the container includes a bottom wall and a plurality of side walls, the bottom wall and the plurality of side walls are integrated to define a space for housing the electrode assembly and to provide a top opening opposite the bottom wall, the container includes a polymeric composition including a polymer and an inorganic moisture absorbent dispersed in the polymer, and the battery case has a water vapor transmission rate (WVTR) of less than about 0.05 grams per square meter per day, when measured at 38° C. and a relative humidity of 100% according to ISO 15106 or ASTM F1249.