公开(公告)号：US20230268490A1

公开(公告)日：2023-08-24

申请号：US18098752

申请日：2023-01-19

申请人： SAMSUNG SDI CO., LTD. ,  Research & Business Foundation SUNGKYUNKWAN UNIVERSITY

发明人： Changsu SHIN ,  Youngugk KIM ,  Young-Min KIM ,  Sunil PARK ,  Jongmin WON ,  Jaehou NAH ,  Eunji KANG ,  Doori OH ,  Dae-Hyeok LEE ,  Hyun Jun SONG ,  Myeong Gyun NAM ,  Pil Jin YOO

IPC分类号： H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M4/60 ,  H01M10/052

CPC分类号： H01M4/366 ,  H01M4/386 ,  H01M4/587 ,  H01M4/60 ,  H01M10/052 ,  H01M2004/027

摘要： A negative active material for a rechargeable lithium battery includes a core having a silicon-carbon composite and an amorphous carbon, the silicon-carbon composite being an agglomerated product of a crystalline carbon and silicon particles, and a coating layer on a surface of the core, the coating layer including catecholamine.

公开(公告)号：US20230135650A1

公开(公告)日：2023-05-04

申请号：US17944630

申请日：2022-09-14

申请人： SAMSUNG SDI CO., LTD.

发明人： Young-Min KIM ,  Eunji KANG ,  Youngugk KIM ,  Yookyung KIM ,  Sunil PARK ,  Changsu SHIN ,  Doori OH ,  Jongmin WON ,  Dae-Hyeok LEE ,  Jungho LEE

IPC分类号： H01M4/36 ,  H01M10/0525 ,  H01M4/133 ,  H01M4/134 ,  H01M4/38 ,  H01M4/48 ,  H01M4/587 ,  H01M4/04

摘要： A negative active material composite, a method of preparing the same, and a negative electrode and a rechargeable lithium battery including the same, the negative active material composite including compound particles represented by SiOx, in which 0

公开(公告)号：US20240347704A1

公开(公告)日：2024-10-17

申请号：US18384717

申请日：2023-10-27

申请人： SAMSUNG SDI CO., LTD.

发明人： Doori OH ,  Youngugk KIM ,  Yookyung KIM ,  Young-Min KIM ,  Sunil PARK ,  Jungho LEE ,  Jongmin WON ,  Jaehou NAH ,  Eunji KANG ,  Dae-Hyeok LEE ,  Changsu SHIN

IPC分类号： H01M4/36 ,  C01B32/20 ,  H01M4/133 ,  H01M4/134 ,  H01M4/38 ,  H01M4/587 ,  H01M10/052

CPC分类号： H01M4/366 ,  C01B32/20 ,  H01M4/133 ,  H01M4/134 ,  H01M4/386 ,  H01M4/587 ,  H01M10/052 ,  C01P2006/40 ,  H01M2004/027

摘要： A negative active material and a rechargeable lithium battery including the negative active material. The negative active material includes first, second and third active materials. The first active material is a crystalline carbon. The second active material includes a first core, which includes crystalline carbon and a silicon-based material, and a first carbon coating positioned on the first core. The third active material includes a second core, which includes a silicon-based material, and a second carbon coating layer positioned on the second core.

公开(公告)号：US20240282925A1

公开(公告)日：2024-08-22

申请号：US18386333

申请日：2023-11-02

申请人： SAMSUNG SDI CO., LTD.

发明人： Yookyung KIM ,  Changsu SHIN ,  Youngugk KIM ,  Jaehou NAH ,  Young-Min KIM ,  Sunil PARK ,  Eunji KANG ,  Doori OH ,  Jongmin WON

IPC分类号： H01M4/36 ,  H01M4/133 ,  H01M4/134 ,  H01M10/0525

CPC分类号： H01M4/366 ,  H01M4/133 ,  H01M4/134 ,  H01M10/0525 ,  H01M2004/027

摘要： A negative electrode and a rechargeable lithium battery including the negative electrode, the negative electrode including a current collector, a negative active material layer, and a functional layer between the current collector and the negative active material layer or on the negative active material layer, the functional layer including nanometal and nanocarbon.

公开(公告)号：US20240243260A1

公开(公告)日：2024-07-18

申请号：US18380349

申请日：2023-10-16

申请人： SAMSUNG SDI CO., LTD.

发明人： Seyoung OH ,  Yurim CHA ,  Yungu CHO ,  Eunji KANG

IPC分类号： H01M4/36 ,  H01M4/04 ,  H01M4/38 ,  H01M4/583 ,  H01M4/62 ,  H01M10/0525

CPC分类号： H01M4/366 ,  H01M4/0404 ,  H01M4/386 ,  H01M4/583 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/027

摘要： A negative electrode active material composite, a method of manufacturing the same, a negative electrode including the same, and a rechargeable lithium battery, the negative electrode active material composite includes secondary particles in which artificial graphite primary particles are assembled; and a conductive material in internal gaps of the secondary particles; wherein at least some of the artificial graphite primary particles include an amorphous carbon coating layer on a surface thereof.

公开(公告)号：US20240222604A1

公开(公告)日：2024-07-04

申请号：US18385008

申请日：2023-10-30

申请人： SAMSUNG SDI CO., LTD.

发明人： Young-Min KIM ,  Changsu SHIN ,  Sunil PARK ,  Eunji KANG ,  Doori OH ,  Jongmin WON ,  Yookyung KIM

IPC分类号： H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525

CPC分类号： H01M4/366 ,  H01M4/386 ,  H01M4/587 ,  H01M4/628 ,  H01M10/0525 ,  H01M2004/027

摘要： A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the negative active material, the negative active material includes a silicon-carbon composite including secondary particles in which nano silicon primary particles are agglomerated, and an amorphous carbon coating layer on a surface of the secondary particles; and sodium silicate.

公开(公告)号：US20240356041A1

公开(公告)日：2024-10-24

申请号：US18384494

申请日：2023-10-27

申请人： SAMSUNG SDI CO., LTD.

发明人： Jongmin WON ,  Jaehou NAH ,  Youngugk KIM ,  Changsu SHIN ,  Sunil PARK ,  Young-Min KIM ,  Eunji KANG ,  Doori OH ,  Yookyung KIM

IPC分类号： H01M4/62 ,  H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M10/0525

CPC分类号： H01M4/628 ,  H01M4/366 ,  H01M4/386 ,  H01M4/587 ,  H01M10/0525 ,  H01M2004/027

摘要： A negative active material, including a silicon-carbon composite including silicon and amorphous carbon, a metal oxide, and a metal silicate.

公开(公告)号：US20240347703A1

公开(公告)日：2024-10-17

申请号：US18383647

申请日：2023-10-25

申请人： SAMSUNG SDI CO., LTD.

发明人： Sunil PARK ,  Changsu SHIN ,  Young-Min KIM ,  Eunji KANG ,  Doori OH ,  Jongmin WON ,  Yookyung KIM ,  Youngugk KIM

IPC分类号： H01M4/36 ,  C01B32/158 ,  C01B32/159 ,  H01M4/133 ,  H01M4/134 ,  H01M4/38 ,  H01M4/587 ,  H01M10/052

CPC分类号： H01M4/366 ,  C01B32/158 ,  C01B32/159 ,  H01M4/133 ,  H01M4/134 ,  H01M4/386 ,  H01M4/587 ,  H01M10/052 ,  C01B2202/02 ,  C01B2202/06 ,  C01B2202/22 ,  C01P2006/40 ,  H01M2004/027

摘要： A negative active material and a rechargeable lithium battery including the negative active material, the negative active material includes a silicon-carbon composite including nano-silicon and amorphous carbon; an N-doped carbon layer on the silicon-carbon composite; and a coating layer on the N-doped carbon layer, the coating layer including carbon nanotubes.

公开(公告)号：US20230307619A1

公开(公告)日：2023-09-28

申请号：US17969035

申请日：2022-10-19

申请人： SAMSUNG SDI CO., LTD.

发明人： Jongmin WON ,  Youngugk KIM ,  Young-Min KIM ,  Sunil PARK ,  Jaehou NAH ,  Eunji KANG ,  Doori OH ,  Dae-Hyeok LEE ,  Changsu SHIN

IPC分类号： H01M4/38 ,  H01M4/583 ,  H01M4/04 ,  H01M4/58 ,  H01M4/36 ,  H01M10/052

CPC分类号： H01M4/386 ,  H01M4/583 ,  H01M4/0471 ,  H01M4/0404 ,  H01M4/0419 ,  H01M4/5825 ,  H01M4/364 ,  H01M10/052 ,  H01M2004/021

摘要： A negative active material composite, a method of preparing the same, a negative electrode, and a rechargeable lithium battery including the same, the negative active material composite including silicon nanoparticles; amorphous carbon; and graphitized carbon.

公开(公告)号：US20240363860A1

公开(公告)日：2024-10-31

申请号：US18757717

申请日：2024-06-28

申请人： Samsung SDI Co., Ltd.

发明人： Changsu SHIN ,  Youngugk KIM ,  Jongmin WON ,  Sunil PARK ,  Jaehou NAH ,  Young-Min KIM ,  Eunji KANG

IPC分类号： H01M4/583 ,  H01M4/02 ,  H01M4/04 ,  H01M4/36 ,  H01M4/38 ,  H01M10/052 ,  H01M10/44

CPC分类号： H01M4/583 ,  H01M4/0404 ,  H01M4/366 ,  H01M4/386 ,  H01M10/052 ,  H01M10/44 ,  H01M2004/021 ,  H01M2004/027

摘要： A negative active material, including an inorganic supporter having pores which are filled with silicon, additional silicon located on a surface of the inorganic supporter, and a carbon coating layer on the surface of the inorganic supporter and a surface of the additional silicon located on the surface of the inorganic supporter.