公开(公告)号：US20230130796A1

公开(公告)日：2023-04-27

申请号：US17974187

申请日：2022-10-26

Applicant: SK Innovation Co., Ltd. ,  SK ON CO., LTD.

Inventor： Sung Yon Oh ,  Sang Hye Shin ,  Min Woo Park

IPC: H01M10/0567 ,  H01M10/052 ,  H01M4/525 ,  H01M4/38 ,  H01M10/0568 ,  H01M4/04

Abstract: An electrolyte for a lithium secondary battery includes a lithium salt, an organic solvent, and a compound represented by Chemical Formula 1. The compound forms a solid electrolyte interphase on a surface of an anode. A lithium secondary battery including the electrolyte and having improved high-temperature storage properties can be provided.

公开(公告)号：US11177507B2

公开(公告)日：2021-11-16

申请号：US16658222

申请日：2019-10-21

Applicant: SK Innovation Co., Ltd.

Inventor： Sung Yon Oh ,  In Haeng Cho ,  Dong Gun Lee ,  Jin Haek Yang

IPC: H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

Abstract: Provided is an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a cyclic phosphate compound represented by the following Chemical Formula 2: wherein R1 to R6 and R′ and R″ are independently of one another hydrogen or C1-C7 alkyl; L2 is —(CR7R8)n—; R7 and R8 are independently of each other hydrogen or C1-C7 alkyl; and n is an integer of 1 to 3. Also provided is a lithium secondary battery including the electrolyte.

公开(公告)号：US10177410B2

公开(公告)日：2019-01-08

申请号：US15104721

申请日：2014-12-19

Applicant: SK Innovation Co., Ltd.

Inventor： Jin Sung Kim ,  Cheol Woo Kim ,  Hyo Seung Park ,  Sung Yon Oh

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M10/0568 ,  H01M10/052 ,  H01M4/505 ,  H01M4/525 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/38 ,  H01M4/40 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/056 ,  H01M4/36

Abstract: Provided are a lithium secondary battery electrolyte and a lithium secondary battery. The lithium secondary battery electrolyte includes a lithium salt, a non-aqueous organic solvent, and a pyrrole derivative. The lithium secondary battery includes a cathode, an anode, a separator, and the lithium secondary battery electrolyte. The secondary battery electrolyte according to the present invention has advantages of excellent stability at a high temperature and high discharge capacity at a low temperature.

公开(公告)号：US20220029200A1

公开(公告)日：2022-01-27

申请号：US17495864

申请日：2021-10-07

Applicant: SK Innovation Co., Ltd.

Inventor： Sung Yon Oh ,  In Haeng Cho ,  Dong Gun Lee ,  Jin Haek Yang

IPC: H01M10/0567 ,  H01M10/052 ,  H01M10/0569 ,  H01M10/0568

Abstract: Provided is an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a cyclic phosphate compound, and a lithium secondary battery including the electrolyte.

公开(公告)号：US20160322665A1

公开(公告)日：2016-11-03

申请号：US15104721

申请日：2014-12-19

Applicant: SK INNOVATION CO.,LTD.

Inventor： Jin Sung Kim ,  Choel Woo Kim ,  Hyo Seung Park ,  Sung Yon Oh

IPC: H01M10/056 ,  H01M4/133 ,  H01M4/134 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/40 ,  H01M4/38 ,  H01M4/583 ,  H01M4/131 ,  H01M4/505

CPC classification number: H01M10/056 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/364 ,  H01M4/382 ,  H01M4/405 ,  H01M4/505 ,  H01M4/525 ,  H01M4/583 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: Provided are a lithium secondary battery electrolyte and a lithium secondary battery. The lithium secondary battery electrolyte includes a lithium salt, a non-aqueous organic solvent, and a pyrrole derivative. The lithium secondary battery includes a cathode, an anode, a separator, and the lithium secondary battery electrolyte. The secondary battery electrolyte according to the present invention has advantages of excellent stability at a high temperature and high discharge capacity at a low temperature.

Abstract translation: 提供锂二次电池电解质和锂二次电池。 锂二次电池电解质包括锂盐，非水有机溶剂和吡咯衍生物。 锂二次电池包括阴极，阳极，隔板和锂二次电池电解质。 根据本发明的二次电池电解质在低温下在高温下具有优异的稳定性和高放电容量的优点。

公开(公告)号：US11437647B2

公开(公告)日：2022-09-06

申请号：US16596813

申请日：2019-10-09

Applicant: SK Innovation Co., Ltd.

Inventor： In Haeng Cho ,  Hyo Shin Kwak ,  Dai In Park ,  Jin Haek Yang ,  Joo Hyun Lee ,  Myoung Lae Kim ,  Sung Yon Oh ,  Su Hee Han

IPC: H01M10/0567 ,  H01M10/052 ,  H01M10/0569

Abstract: Provided are an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a bisfluorophosphite multicyclic compound, and a lithium secondary battery including the electrolyte.

公开(公告)号：US20200185773A1

公开(公告)日：2020-06-11

申请号：US16703161

申请日：2019-12-04

Applicant: SK Innovation Co., Ltd.

Inventor： Sung Yon Oh ,  Dong Gun Lee ,  Jin Haek Yang ,  In Haeng Cho

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0525

Abstract: Provided are an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a cyclic fluorophosphonate compound, and a lithium secondary battery including the same.

公开(公告)号：US20160359196A1

公开(公告)日：2016-12-08

申请号：US15168452

申请日：2016-05-31

Applicant: SK Innovation Co., Ltd.

Inventor： Jin Sung Kim ,  Cheol Woo Kim ,  Sung Yon Oh ,  Kwang Kuk Lee ,  Seong IL Lee

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0037

Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same. The electrolyte for a secondary battery according to the present invention has excellent high-temperature stability, excellent low-temperature discharge capacity, and excellent life cycle characteristics.

Abstract translation: 提供了锂二次电池用电解液和含有该二次电池的锂二次电池。 根据本发明的二次电池用电解液具有优异的高温稳定性，优异的低温放电容量和优异的寿命特性。

公开(公告)号：US20190067741A1

公开(公告)日：2019-02-28

申请号：US16170867

申请日：2018-10-25

Applicant: SK Innovation Co., Ltd.

Inventor： Jin Sung Kim ,  Cheol Woo Kim ,  Sung Yon Oh ,  Kwang Kuk Lee ,  Seong IL Lee

IPC: H01M10/0567 ,  H01M10/0569

Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same. The electrolyte for a secondary battery according to the present invention has excellent high-temperature stability, excellent low-temperature discharge capacity, and excellent life cycle characteristics.

公开(公告)号：US10141608B2

公开(公告)日：2018-11-27

申请号：US15168452

申请日：2016-05-31

Applicant: SK Innovation Co., Ltd.

Inventor： Jin Sung Kim ,  Cheol Woo Kim ,  Sung Yon Oh ,  Kwang Kuk Lee ,  Seong Il Lee

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/0568

Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same. The electrolyte for a secondary battery according to the present invention has excellent high-temperature stability, excellent low-temperature discharge capacity, and excellent life cycle characteristics.