公开(公告)号：US20240304813A1

公开(公告)日：2024-09-12

申请号：US18013207

申请日：2022-05-13

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Kang Hee LEE ,  Yuuya ARIKAWA ,  Woo Jin BAE

IPC: H01M4/62 ,  C01B35/10 ,  H01M4/02 ,  H01M4/133 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/42

CPC classification number: H01M4/62 ,  C01B35/1054 ,  H01M4/133 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/4235 ,  C01P2006/40 ,  H01M2004/027

Abstract: Provided are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including same, the negative electrode for a rechargeable lithium battery including a negative electrode active material layer which comprises a boron compound and negative electrode active material.

公开(公告)号：US20250118801A1

公开(公告)日：2025-04-10

申请号：US18729813

申请日：2022-12-09

Applicant: SAMSUNG SDI CO., LTD. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： Woo Jin BAE ,  Shinya WAKITA ,  Kang Hee LEE ,  Junyong LEE ,  Jongseok MOON ,  Jongseok PARK ,  Jinhwan PARK ,  Hyunsik WOO ,  Heemin KIM ,  Su-Jin PYO ,  A-Hyeon BAN ,  Dong-Won KIM

IPC: H01M10/0565 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: Disclosed is a rechargeable lithium battery including a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, and a gel polymer electrolyte, wherein the positive electrode includes a positive electrode active material including a lithium cobalt-based oxide; the gel polymer electrolyte includes a polymer and an electrolyte solution; the polymer has three or more functional groups but not include an ether group; the electrolyte includes a lithium salt and a solvent; and the lithium slat includes lithium difluoro(oxalato)borate and LiBF4.