(19)
(11) EP 4 187 649 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
02.08.2023 Bulletin 2023/31

(43) Date of publication:
31.05.2023 Bulletin 2023/22

(21) Application number: 23151463.9

(22) Date of filing: 12.05.2020
(51) International Patent Classification (IPC): 
H01M 4/62(2006.01)
H01M 10/052(2010.01)
H01M 4/04(2006.01)
 H01M 4/13(2010.01)
C01B 32/174(2017.01)
H01M 10/0525(2010.01)
(52) Cooperative Patent Classification (CPC):
H01M 4/13; C01B 32/174; H01M 4/622; H01M 4/625; H01M 4/0404; H01M 10/0525; Y02E 60/10
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 17.05.2019 KR 20190057722

(62) Application number of the earlier application in accordance with Art. 76 EPC:
20809916.8 / 3944381

(71) Applicant: LG Energy Solution, Ltd.
Seoul 07335 (KR)

(72) Inventors:
  • KIM, Dong Hyun
    34122 Yuseong-gu, Daejeon (KR)
  • YOO, Houng Sik
    34122 Yuseong-gu, Daejeon (KR)
  • KANG, Seong Kyun
    34122 Yuseong-gu, Daejeon (KR)
  • KWON, Gye Min
    34122 Yuseong-gu, Daejeon (KR)
  • CHOI, Hyeon
    34122 Yuseong-gu, Daejeon (KR)

(74) Representative: Hoffmann Eitle 
Patent- und Rechtsanwälte PartmbB Arabellastraße 30
81925 München
81925 München (DE)

 
Remarks:
This application was filed on 13-01-2023 as a divisional application to the application mentioned under INID code 62.
 


(54) CONDUCTIVE MATERIAL DISPERSION, AND ELECTRODE AND LITHIUM SECONDARY BATTERY MANUFACTURED USING THE SAME


(57) The present invention relates to a conductive material dispersion including a carbon-based conductive material, a main dispersant, an auxiliary dispersant, and a dispersion medium, wherein the main dispersant is a nitrile-based copolymer and the auxiliary dispersant is a copolymer including an oxyalkylene unit and at least one of a styrene unit and an alkylene unit.