公开(公告)号：US11450887B2

公开(公告)日：2022-09-20

申请号：US16697799

申请日：2019-11-27

Applicant: Hyundai Motor Company ,  Kia Motors Corporation ,  UNIST (Ulsan National Institute of Science and Technology)

Inventor： KyoMin Shin ,  DongHui Kim ,  SangJoon Lee ,  Seung Ho Ahn ,  SungHoon Lim ,  Nam-Soon Choi ,  Sung You Hong ,  Choonki Kim ,  Koeun Kim ,  Yeonkyoung Kim

IPC: H01M10/0567 ,  H01M10/0525

Abstract: Disclosed herein are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. The disclosed lithium secondary battery includes: a cathode; an anode; a separator interposed between the cathode and the anode; and an electrolyte, wherein the electrolyte includes: a lithium salt; and a solvent including a perfluorinated ether-based solvent, fluoroethylene carbonate (FEC), and ethylmethyl carbonate (EMC).

公开(公告)号：US20200373618A1

公开(公告)日：2020-11-26

申请号：US16654217

申请日：2019-10-16

Applicant: Hyundai Motor Company ,  Kia Motors Corporation ,  UNIST (Ulsan National Institute of Science and Technology)

Inventor： Jung Young Cho ,  Yoon Sung Lee ,  Nam-Soon Choi ,  Koeun Kim ,  Sung Ji Park ,  Juyeon Lee

IPC: H01M10/0567 ,  H01M4/505 ,  H01M4/525 ,  H01M4/38 ,  H01M10/0525

Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same.The electrolyte for a lithium secondary battery may include a lithium salt, a solvent component and an additive, and the additive may include a compound represented by the following Chemical formula (1). In Chemical Formula (1), R1 and R2 are each independently a linear or a branched alkyl group having 2 to 6 carbon atoms and containing 3 or more fluorine atoms.

公开(公告)号：US11437610B2

公开(公告)日：2022-09-06

申请号：US16862727

申请日：2020-04-30

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Hyun-Kon Song ,  Nam-Soon Choi ,  Chihyun Hwang ,  Jung-Gu Han

IPC: H01M4/131 ,  H01M4/58 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/02

Abstract: Provided are a high-capacity secondary battery including a cathode including an over-lithiated oxide cathode material or a Ni-rich cathode material; a lithium anode (Li anode); and an electrolyte including a superoxide dismutase mimic catalyst (SODm).

公开(公告)号：US20200235431A1

公开(公告)日：2020-07-23

申请号：US16416863

申请日：2019-05-20

Applicant: Hyundai Motor Company ,  Kia Motors Corporation ,  UNIST (Ulsan National Institute of Science and Technology)

Inventor： Yoon Sung Lee ,  Jung Young Cho ,  Ikkyu Kim ,  Seung-Min Oh ,  DongHui Kim ,  Nam-Soon Choi ,  Koeun Kim ,  Juyeon Lee ,  Sung Ji Park

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

Abstract: Disclosed are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. The electrolyte for the lithium secondary battery includes a lithium salt, a solvent component and an additive including one or more of the following compounds, wherein each of R1, R2 and R3 is independently hydrogen, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, or an arylalkyl group having 6 to 30 carbon atoms.

公开(公告)号：US11145902B2

公开(公告)日：2021-10-12

申请号：US16416863

申请日：2019-05-20

Applicant: Hyundai Motor Company ,  Kia Motors Corporation ,  UNIST (Ulsan National Institute of Science and Technology)

Inventor： Yoon Sung Lee ,  Jung Young Cho ,  Ikkyu Kim ,  Seung-Min Oh ,  DongHui Kim ,  Nam-Soon Choi ,  Koeun Kim ,  Juyeon Lee ,  Sung Ji Park

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

Abstract: Disclosed are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. The electrolyte for the lithium secondary battery includes a lithium salt, a solvent component and an additive including one or more of the following compounds, wherein each of R1, R2 and R3 is independently hydrogen, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, or an arylalkyl group having 6 to 30 carbon atoms.