公开(公告)号：US20240128510A1

公开(公告)日：2024-04-18

申请号：US18269521

申请日：2021-12-24

Applicant: SOULBRAIN CO., LTD.

Inventor： Ji Young CHOI ,  Min Goo KIM ,  Sang Ho LEE ,  Wan Chul KANG ,  Jong Cheol YUN ,  Ji Seong HAN ,  Min Jung JANG

IPC: H01M10/0567 ,  C07F9/141 ,  C07F9/6574 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  C07F9/1417 ,  C07F9/65742 ,  C07F9/65746 ,  C07F9/65748 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2220/20 ,  H01M2300/004

Abstract: The present invention relates to a novel electrolyte and a secondary battery including the same. The present invention has an effect of providing a secondary battery having improved charging efficiency and output due to reduced charging resistance and having excellent long-term lifespan and high-temperature capacity retention rate.

公开(公告)号：US20240097190A1

公开(公告)日：2024-03-21

申请号：US18272085

申请日：2022-01-21

Applicant: SOULBRAIN CO., LTD.

Inventor： Min Jung JANG ,  Min Goo KIM ,  Young Rok LIM ,  Ji Young CHOI ,  Sang Ho LEE ,  Wan Chul KANG ,  Jong Cheol YUN ,  Ji Seong HAN ,  Hee Jeong RYU ,  Jae Won CHUNG

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

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2220/10 ,  H01M2220/20 ,  H01M2300/004

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

公开(公告)号：US20240105991A1

公开(公告)日：2024-03-28

申请号：US18272078

申请日：2022-01-21

Applicant: SOULBRAIN CO., LTD.

Inventor： Min Jung JANG ,  Min Goo KIM ,  Young Rok LIM ,  Ji Young CHOI ,  Sang Ho LEE ,  Wan Chul KANG ,  Jong Cheol YUN ,  Ji Seong HAN ,  Hee Jeong RYU ,  Jae Won CHUNG

IPC: H01M10/0567 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M10/0525

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

公开(公告)号：US20240097189A1

公开(公告)日：2024-03-21

申请号：US18272084

申请日：2022-01-21

Applicant: SOULBRAIN CO., LTD.

Inventor： Min Jung JANG ,  Min Goo KIM ,  Young Rok LIM ,  Ji Young CHOI ,  Sang Ho LEE ,  Wan Chul KANG ,  Jong Cheol YUN ,  Ji Seong HAN ,  Hee Jeong RYU ,  Jae Won CHUNG

IPC: H01M10/0567 ,  C07C69/003 ,  C07C309/04 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  C07C69/003 ,  C07C309/04 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2220/10 ,  H01M2220/20 ,  H01M2300/004

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

公开(公告)号：US20240170721A1

公开(公告)日：2024-05-23

申请号：US18272083

申请日：2022-01-21

Applicant: SOULBRAIN CO., LTD.

Inventor： Min Jung JANG ,  Min Goo KIM ,  Young Rok LIM ,  Ji Young CHOI ,  Sang Ho LEE ,  Wan Chul KANG ,  Jong Cheol YUN ,  Ji Seong HAN ,  Hee Jeong RYU ,  Jae Won CHUNG

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

CPC classification number: H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2220/20 ,  H01M2300/0037

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

公开(公告)号：US20230246233A1

公开(公告)日：2023-08-03

申请号：US18011150

申请日：2021-06-28

Applicant: SOULBRAIN CO., LTD.

Inventor： Ji Young CHOI ,  Min Goo KIM ,  Sang Ho LEE ,  Wan Chul KANG ,  Jong Chul YUN ,  Hyeong Kyu LIM ,  Ji Seong HAN ,  Min Jung JANG

IPC: H01M10/0567 ,  C07F9/6574 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  C07F9/65744 ,  C07F9/65742 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2250/20

Abstract: The present invention relates to an electrolyte additive including a compound represented by Chemical Formula 1, an electrolyte including the electrolyte additive, and a secondary battery including the electrolyte. Chemical Formula 1:




R1 and R2 are each independently an alkylene group having 1-5 carbon atoms; E1 is a bond, an alkylene group having 1-3 carbon atoms, or a cyclic carbonyl group, ether group, or ester group having 2-5 carbon atoms; R3 is a substituted or unsubstituted linear or cyclic carbonate group, carbonyl group, ether group, phosphate group, sulfonate group, or sulfate group having 2-5 carbon atoms; the substitution refers to substitution with one or more selected from F, Cl, Br, and I or an alkenyl group having 1-3 carbon atoms; E2 is a bond or a saturated or unsaturated alkylene group or ether group having 1-3 carbon atoms; and n is 0 or 1.

公开(公告)号：US20240332615A1

公开(公告)日：2024-10-03

申请号：US18269518

申请日：2021-12-24

Applicant: SOULBRAIN CO., LTD.

Inventor： Ji Young CHOI ,  Min Goo KIM ,  Sang Ho LEE ,  Wan Chul KANG ,  Jong Cheol YUN ,  Ji Seong HAN ,  Min Jung JANG

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

CPC classification number: H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M2220/20 ,  H01M2300/0025

Abstract: The present invention relates to an electrolyte for batteries and a secondary battery. The present invention has an effect of providing a secondary battery having improved charging efficiency and output due to reduced charging resistance and having excellent long-term lifespan and high-temperature capacity retention rate.

公开(公告)号：US20240291034A1

公开(公告)日：2024-08-29

申请号：US18568939

申请日：2022-06-15

Applicant: SOULBRAIN CO., LTD.

Inventor： Wan Chul KANG ,  Ji Young CHOI ,  Young Rok LIM ,  Jae Won CHUNG

IPC: H01M10/0567 ,  H01M10/052

CPC classification number: H01M10/0567 ,  H01M10/052 ,  H01M2220/10 ,  H01M2220/30

Abstract: The present invention relates to an electrolyte solution additive, an electrolyte solution for batteries, and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention rate by suppressing gas generation.

公开(公告)号：US20240097188A1

公开(公告)日：2024-03-21

申请号：US18272080

申请日：2022-01-21

Applicant: SOULBRAIN CO., LTD.

Inventor： Min Jung JANG ,  Min Goo KIM ,  Young Rok LIM ,  Ji Young CHOI ,  Sang Ho LEE ,  Wan Chul KANG ,  Jong Cheol YUN ,  Ji Seong HAN ,  Hee Jeong RYU ,  Jae Won CHUNG

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

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2220/10 ,  H01M2220/20

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

公开(公告)号：US20230178806A1

公开(公告)日：2023-06-08

申请号：US18011148

申请日：2021-06-28

Applicant: SOULBRAIN CO., LTD.

Inventor： Ji Young CHOI ,  Min Goo KIM ,  Sang Ho LEE ,  Wan Chul KANG ,  Jong Chul YUN ,  Hyeong Kyu LIM ,  Ji Seong HAN ,  Min Jung JANG

IPC: H01M10/0567 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M10/0569 ,  H01M2300/004

Abstract: The present invention relates to an electrolyte additive including a compound containing a substituent represented by Chemical Formula 1, an electrolyte including the electrolyte additive, and a secondary battery including the electrolyte. Chemical Formula 1:




In Chemical Formula 1, P and O are phosphorus and oxygen, respectively; A is a bond or oxygen; Q is oxygen or an unshared electron pair; R1, R2, R3, and R4 are each independently hydrogen, a linear or branched alkyl group having 1 to 10 carbon atoms, an alkenyl group, an alkynyl group, an alkoxy group, an alkoxycarbonyl group, an alkoxyalkyl group, a fluoroalkyl, or a cyclic sulfate; optionally, R1 or R2 is connected to R3 or R4 to form a double bond or a ring; n is an integer from 0 to 3; and * is a binding position.