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.