公开(公告)号：US09484579B2

公开(公告)日：2016-11-01

申请号：US14149771

申请日：2014-01-07

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Dongho Son ,  Kijun Kim ,  Junkyu Cha ,  Nari Seo

IPC: H01M4/13 ,  H01M4/62 ,  H01M4/134

CPC classification number: H01M4/622 ,  H01M4/134

Abstract: A binder composition for a rechargeable battery, including a binder polymer having a glass transition temperature (Tg) of 20° C. or less, and having a storage modulus (60° C.) of 50-150 MPa. The binder composition according to an embodiment can improve life characteristics of the rechargeable battery by efficiently controlling expansion of a negative electrode plate.

Abstract translation: 一种用于可再充电电池的粘合剂组合物，其包含玻璃化转变温度（Tg）为20℃或更低，并且具有50-150MPa的储能模量（60℃）的粘合剂聚合物。 根据实施方案的粘合剂组合物可以通过有效地控制负极板的膨胀来改善可再充电电池的寿命特性。

公开(公告)号：US10256501B2

公开(公告)日：2019-04-09

申请号：US15348792

申请日：2016-11-10

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Nari Seo ,  Bokhyun Ka ,  Eunhyung Choi ,  Donghyuk Chang

IPC: H01M10/0525 ,  H01M10/0587 ,  H01M10/0569 ,  H01M10/0562 ,  H01M2/14 ,  H01M10/052 ,  H01M2/16

Abstract: Provided is a secondary battery, which includes a separator having excellent air permeability such that the separator is adhered to a positive electrode plate and/or a negative electrode plate at a low temperature under a low pressure and swelling in an electrolyte solution is relatively suppressed. The secondary battery includes an electrode assembly including a positive electrode plate, a negative electrode plate and a separator interposed between the positive electrode plate and the negative electrode plate, wherein the separator further includes an adhesive layer formed on its surface, the adhesive layer includes a binder, and a gel-sol transition temperature of the binder is in a range of 70° C. to 90° C.

公开(公告)号：US20140272574A1

公开(公告)日：2014-09-18

申请号：US14149771

申请日：2014-01-07

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Dongho Son ,  Kijun Kim ,  Junkyu Cha ,  Nari Seo

IPC: H01M4/62

CPC classification number: H01M4/622 ,  H01M4/134

Abstract: A binder composition for a rechargeable battery, including a binder polymer having a glass transition temperature (Tg) of 20° C. or less, and having a storage modulus (60° C.) of 50-150 MPa. The binder composition according to an embodiment can improve life characteristics of the rechargeable battery by efficiently controlling expansion of a negative electrode plate.

Abstract translation: 一种用于可再充电电池的粘合剂组合物，其包含玻璃化转变温度（Tg）为20℃或更低，并且具有50-150MPa的储能模量（60℃）的粘合剂聚合物。 根据实施方案的粘合剂组合物可以通过有效地控制负极板的膨胀来改善可再充电电池的寿命特性。