公开(公告)号：EP4432401A1

公开(公告)日：2024-09-18

申请号：EP22911591.0

申请日：2022-11-01

申请人： Dongjin Semichem Co., Ltd.

发明人： HAN, Jukyung ,  HUH, Chul ,  YANG, Hwi Chan ,  LEE, Joocheol ,  KIM, Hyeongcheol

IPC分类号： H01M4/62 ,  H01M4/13 ,  C01B32/174

CPC分类号： Y02E60/10 ,  H01M4/13 ,  C01B32/174 ,  H01M4/62

摘要： Provided is a conductive material slurry for a secondary battery electrode, which has low viscosity and low sheet resistance. The conductive material slurry for a secondary battery electrode according to the present disclosure comprises a conductive material and a dispersant that disperses the conductive material, wherein the dispersant comprises a cellulose compound and a conductive polymer, and the amount of the conductive material is more than 0 wt% and 2.5 wt% or less based on the total weight of the conductive material slurry for a secondary battery electrode.

公开(公告)号：EP4266428A1

公开(公告)日：2023-10-25

申请号：EP21911339.6

申请日：2021-12-09

申请人： Dongjin Semichem Co., Ltd

发明人： KIM, Hyeong Cheol ,  HUH, Chul ,  YANG, Hwi Chan ,  LEE, Joo Cheol ,  HAN, Ju Kyung ,  AN, Woo Hyun

IPC分类号： H01M4/62 ,  C01B32/174

摘要： Provided are a conductive material pre-dispersed slurry for a secondary battery electrode, which has improved dispersibility of the conductive material, a preparation method thereof, an electrode manufactured by applying the conductive material pre-dispersed slurry, and a secondary battery having the electrode. The disclosed conductive material pre-dispersed slurry for a secondary battery electrode includes: a conductive material; a dispersant for dispersing the conductive material; and a solvent mixed with the conductive material and the dispersant, wherein the dispersant includes a cellulose-based compound and a vinyl-based or acrylic compound, and the cellulose-based compound and the vinyl-based or acrylic compound in the dispersant have a weight ratio of about 25:1 to 1:25.