公开(公告)号：EP4318644A2

公开(公告)日：2024-02-07

申请号：EP23189314.0

申请日：2023-08-02

申请人： Samsung SDI Co., Ltd. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

发明人： JUNG, Hyeseung ,  KIM, Soochan ,  CHO, Chaewoong ,  MYEONG, Seung Cheol ,  SONG, Taeseup

IPC分类号： H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/36 ,  H01M4/485 ,  H01M10/0525 ,  H01M4/02

摘要： Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery, and the negative electrode includes lithium titanium oxide having an aspect ratio of about 10:1 to about 2:1, a needle-type carbon-based material and a negative active material.

公开(公告)号：EP4358170A1

公开(公告)日：2024-04-24

申请号：EP23204801.7

申请日：2023-10-20

申请人： Samsung SDI Co., Ltd. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

发明人： PARK, Keemin ,  JUNG, Hyeseung ,  AN, Hoyong ,  LEE, Kyuseo ,  HAN, Seung-Hun ,  KIM, Soochan ,  CHO, Chaewoong ,  MYEONG, Seungcheol ,  SONG, Taeseup ,  PAIK, Ungyu

IPC分类号： H01M4/04 ,  H01M4/1393 ,  H01M4/62

CPC分类号： H01M4/622 ,  H01M4/0404 ,  H01M4/1393

摘要： Provided are a method of manufacturing an electrode for a rechargeable lithium battery, an electrode manufactured therefrom, and a rechargeable lithium battery including the electrode. The method of manufacturing an electrode for a rechargeable lithium battery includes preparing an electrode active material layer slurry including an electrode active material and a polymer binder, coating the electrode active material layer slurry on a current collector and drying it while applying an electric field to form an active material layer, wherein the polymer binder includes a water-soluble binder and an ionic polymer.

公开(公告)号：EP4362127A1

公开(公告)日：2024-05-01

申请号：EP23204853.8

申请日：2023-10-20

申请人： Samsung SDI Co., Ltd. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

发明人： PARK, Keemin ,  JUNG, Hyeseung ,  AN, Hoyong ,  LEE, Kyuseo ,  HAN, Seung-Hun ,  KIM, Soochan ,  CHO, Chaewoong ,  MYEONG, Seungcheol ,  SONG, Taeseup ,  PAIK, Ungyu

IPC分类号： H01M4/04 ,  H01M4/62 ,  H01M10/0525

CPC分类号： H01M4/622 ,  H01M4/0404 ,  H01M10/0525

摘要： Disclosed are a method of manufacturing an electrode for a rechargeable lithium battery, and an electrode manufactured therefrom, and a rechargeable lithium battery including the electrode, the method of manufacturing an electrode for a rechargeable lithium battery including mixing an electrode active material and a first ionic polymer to prepare a first slurry; mixing the first slurry and a second ionic polymer to prepare a second slurry; mixing the second slurry and a water-soluble binder to prepare an electrode active material layer slurry; coating the electrode active material layer slurry on a current collector, drying and compressing to manufacture an electrode for a rechargeable lithium battery, wherein an amount of the first ionic polymer is about 20 to about 90 wt% based on a total amount of 100 wt% of the first ionic polymer and the second ionic polymer.

公开(公告)号：EP4358171A1

公开(公告)日：2024-04-24

申请号：EP23204810.8

申请日：2023-10-20

申请人： Samsung SDI Co., Ltd. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

发明人： PARK, Keemin ,  JUNG, Hyeseung ,  AN, Hoyong ,  LEE, Kyuseo ,  HAN, Seung-Hun ,  KIM, Soochan ,  CHO, Chaewoong ,  MYEONG, Seungcheol ,  SONG, Taeseup ,  PAIK, Ungyu

IPC分类号： H01M4/04 ,  H01M4/36 ,  H01M4/62 ,  H01M4/66 ,  H01M4/70 ,  H01M10/0525 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/38 ,  H01M4/587

CPC分类号： H01M4/661 ,  H01M4/667 ,  H01M4/668 ,  H01M4/669 ,  H01M4/70 ,  H01M4/622 ,  H01M10/0525 ,  H01M4/0404 ,  H01M4/587 ,  H01M4/1393 ,  H01M4/133 ,  H01M4/364 ,  H01M4/366 ,  H01M4/386 ,  H01M4/134 ,  H01M4/1395

摘要： Provided are a current collector for a rechargeable lithium battery and an electrode and a rechargeable lithium battery including the same. The current collector for a rechargeable lithium battery includes a substrate and a binder coating layer on a surface of the substrate, wherein the binder coating layer includes a water-soluble binder selected from a rubber-based binder, a polymer resin binder, or a combination thereof.

公开(公告)号：EP4318644A3

公开(公告)日：2024-02-28

申请号：EP23189314.0

申请日：2023-08-02

申请人： Samsung SDI Co., Ltd. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

发明人： JUNG, Hyeseung ,  KIM, Soochan ,  CHO, Chaewoong ,  MYEONG, Seung Cheol ,  SONG, Taeseup

IPC分类号： H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/36 ,  H01M4/485 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/587 ,  H01M4/62 ,  H01M4/02

摘要： Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery, and the negative electrode includes lithium titanium oxide having an aspect ratio of about 10:1 to about 2:1, a needle-type carbon-based material and a negative active material.