公开(公告)号：US20230207877A1

公开(公告)日：2023-06-29

申请号：US17951025

申请日：2022-09-22

申请人： HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

发明人： Yoon Sung LEE ,  Jun Ki RHEE ,  Ko Eun KIM ,  Sung Ho BAN ,  Seung Min OH ,  Nam Soon CHOI ,  Sang Kyu KWAK ,  Sung You HONG ,  Hyeong Jun KIM ,  Seo Young JEONG ,  Hyeon Gyu MOON

IPC分类号： H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M50/46 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052

CPC分类号： H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M50/46 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/028

摘要： Proposed is an additive for an electrolyte solution to improve the electrochemical properties of a lithium secondary.
Especially, an electrolyte for a lithium secondary battery includes: a lithium salt; a solvent; and a functional additive, wherein the functional additive includes 1,2-bis(maleimido)ethane, represented by the following formula 1:
The electrolyte solution for a lithium secondary battery includes: an electrolyte salt and an organic solvent, wherein the electrolyte solution further comprises, as additives, vinylene carbonate (VC) represented by the following Formula 1, and a compound represented by the following Formula 2, (5-(4-nitrophenyl)-1-(3-((trimethylsilyl)oxy)propyl)-1H-1,2,3-triazole-4-carbonitrile):

公开(公告)号：US20220328875A1

公开(公告)日：2022-10-13

申请号：US17532078

申请日：2021-11-22

申请人： Hyundai Motor Company ,  Kia Corporation ,  UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

发明人： Woo Young JIN ,  Jun Ki RHEE ,  Yeol Mae YEO ,  Seung Min OH ,  Yoon Sung LEE ,  Ji Eun LEE ,  Sang Hun LEE ,  Ko Eun KIM ,  Sang Mok PARK ,  Sung Ho BAN ,  Hyeon Gyu MOON ,  Hui Beom NAM ,  Hyun Soo MA ,  Nam Soon CHOI

IPC分类号： H01M10/0567 ,  H01M10/0569 ,  H01M10/0525

摘要： Disclosed are an electrolyte solution and an additive thereof, which may increase electrochemical properties of a lithium secondary battery.

公开(公告)号：US20220131190A1

公开(公告)日：2022-04-28

申请号：US17338244

申请日：2021-06-03

申请人： HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

发明人： Yoon Sung LEE ,  Seung Min OH ,  Sung Ho BAN ,  Ko Eun KIM ,  Jun Ki RHEE ,  Woo Young JIN ,  Sang Kyu KWAK ,  Nam Soon CHOI ,  Sung You HONG ,  Woo Gyum KIM ,  Dae Yeon HWANG ,  Hyeon Gyu MOON

IPC分类号： H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  C07D249/06

摘要： The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 5-(4-cyanophenyl)-1-(4-fluorobenzyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:

公开(公告)号：US20220149374A1

公开(公告)日：2022-05-12

申请号：US17460036

申请日：2021-08-27

申请人： HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

发明人： Sang Mok PARK ,  Seung Min OH ,  Woo Young JIN ,  Ji Eun LEE ,  Sang Hun LEE ,  Ko Eun KIM ,  Jun Ki RHEE ,  Yoon Sung LEE

IPC分类号： H01M4/60 ,  H01M4/36 ,  H01M4/04 ,  H01M4/62

摘要： A method of mixing a cathode active material in a process of manufacturing a cathode of a lithium secondary battery is provided. The method includes a preparation step of preparing a lithium compound removal solution in which PAA (polyacrylic acid) is mixed with a solvent, a removal step of reacting the lithium compound removal solution with the cathode active material, on a surface of which a lithium compound is present, thus removing the lithium compound present on the surface of the cathode active material, and a mixing step of mixing the cathode active material, which is mixed with the lithium compound removal solution, with a conductive material and a binder.