公开(公告)号：US20220344640A1

公开(公告)日：2022-10-27

申请号：US17532458

申请日：2021-11-22

申请人： Hyundai Motor Company ,  Kia Corporation ,  Industry Academy Cooperation Foundation of Sejong University

发明人： Sung Ho Ban ,  Ji Eun Lee ,  Sang Hun Lee ,  Seung Min Oh ,  Woo Young Jin ,  Seung Taek Myung ,  Hee Jae Kim ,  Min Young Shin

IPC分类号： H01M4/36 ,  H01M4/505 ,  H01M4/525

摘要： Disclosed herein is a positive electrode material for a lithium (Li) secondary battery. The positive electrode material includes a positive electrode active material including Li—[Mn—Ti]-M—O containing transition metal M to allow reversible intercalation and reversible deintercalation of Li, and the positive electrode active material is coated with Li3PO4 to form a coating layer on a surface thereof.

公开(公告)号：US20220285730A1

公开(公告)日：2022-09-08

申请号：US17468193

申请日：2021-09-07

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

发明人： Ji Eun Lee ,  Jun Ki Rhee ,  Seung Min Oh ,  Yoon Sung Lee ,  Sung Ho Ban ,  Sang Hun Lee ,  Woo Young Jin ,  Sang Mok Park ,  Ko Eun Kim ,  Hyeon Gyu Moon ,  Hui Beom Nam ,  Hyun Soo Ma ,  Nam Soon Choi

IPC分类号： H01M10/0567 ,  H01M10/0525

摘要： Disclosed is an additive for improving the electrochemical properties of a lithium secondary battery.

公开(公告)号：US20220149380A1

公开(公告)日：2022-05-12

申请号：US17337098

申请日：2021-06-02

申请人： HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  INCHEON NATIONAL UNIVERSITY RESEARCH & BUSINESS FOUNDATION

发明人： Seung Min Oh ,  Ik Kyu Kim ,  Yeol Mae Yeo ,  Yoon Sung Lee ,  Ji Eun Lee ,  Sa Heum Kim ,  Dong Jun Kim ,  Nam Hyeong Kim ,  Jun Young Mun ,  Yeong Don Park ,  Su Hyun Lee ,  Jun Hwa Park ,  Mei Hua Hong

IPC分类号： H01M4/62 ,  H01M4/36 ,  H01M4/48 ,  H01M10/0525

摘要： Disclosed are an anode material for lithium secondary batteries, the anode material including an Si-based anode active material and a film layer formed as a double self-assembled monolayer as the result of an amino trimethoxy silane (ATS) SAM precursor and a fluoro ethylene carbonate (FEC) SAM precursor being sequentially bonded to the surface of the Si-based anode active material, and method of manufacturing the same.

公开(公告)号：US20220131136A1

公开(公告)日：2022-04-28

申请号：US17343044

申请日：2021-06-09

申请人： HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  INCHEON NATIONAL UNIVERSITY RESEARCH & BUSINESS FOUNDATION

发明人： Seung Min Oh ,  Ik Kyu Kim ,  Yeol Mae Yeo ,  Yoon Sung Lee ,  Ji Eun Lee ,  Sang Mok Park ,  Dong Jun Kim ,  Nam Hyeong Kim ,  Jun Young Mun ,  Yeong Don Park ,  Su Hyun Lee ,  Jun Hwa Park ,  Mei Hua Hong

IPC分类号： H01M4/38 ,  H01M4/04

摘要： The anode material for a lithium secondary battery includes: an Si-based anode active material; and a film layer including a self-assembly monolayer (SAM) formed through bonding of SAM precursors onto a surface of the Si-based anode active material.

公开(公告)号：US20220115697A1

公开(公告)日：2022-04-14

申请号：US17340718

申请日：2021-06-07

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 ,  Ji Eun Lee ,  Sung Ho Ban ,  Ik Kyu Kim ,  Ko Eun Kim ,  Sang Kyu Kwak ,  Nam Soon Choi ,  Woo Gyum Kim ,  Hyeon Gyu Moon ,  Sung You Hong ,  Dae Yeon Hwang

IPC分类号： H01M10/0567 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/583 ,  H01M4/38

摘要： The 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:

公开(公告)号：US20220115696A1

公开(公告)日：2022-04-14

申请号：US17339328

申请日：2021-06-04

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

发明人： Yoon Sung LEE ,  Ik Kyu Kim ,  Seung Min Oh ,  Sung Ho Ban ,  Sang Mok Park ,  Ko Eun Kim ,  Sang Kyu Kwak ,  Nam Soon Choi ,  Hyeon Gyu Moon ,  Seo Young Jeong ,  Sung You Hong ,  Dae Yeon Hwang

IPC分类号： H01M10/0567 ,  H01M10/42 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/587 ,  H01M4/38 ,  H01M4/525 ,  H01M4/505 ,  C07C381/00 ,  C07F5/04

摘要： The electrolyte for a lithium secondary battery comprises: a lithium salt; a solvent; and a functional additive, wherein the functional additive comprises naphthalen-1-yl sulfurofluoridate, represented by the following formula 1: