P

Inventor

LEE JOO-SUNG

KR95 patents
⚠️ This page may combine multiple inventors who share the name “LEE JOO-SUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LG CHEMICAL LTD

40 patents
US8951669B2Feb 10, 2015

Electrode having porous coating layer, manufacturing method thereof and electrochemical device containing the same

LG CHEMICAL LTD8 citations84
US10002719B2Jun 19, 2018

Separator having binder layer, and electrochemical device comprising the separator and method of preparing the separator

LG CHEMICAL LTD8 citations83
US11588341B2Feb 21, 2023

Quick battery charging system

LG CHEMICAL LTD2 citations73
US11056901B2Jul 6, 2021

Method for charging secondary battery using multiple charging sections

LG CHEMICAL LTD4 citations73
US10991926B2Apr 27, 2021

Separator having electrode adhesive layer and electrochemical device including the same

LG CHEMICAL LTD6 citations73
US9853268B2Dec 26, 2017

Separator and electrochemical device having the same

LG CHEMICAL LTD2 citations73
US11231465B2Jan 25, 2022

Device and method for controlling discharge based on slope of the discharge profile

LG CHEMICAL LTD3 citations72
US11031656B2Jun 8, 2021

Composite separator including porous coating layer made from slurry having improved dispersibility

LG CHEMICAL LTD2 citations72
US10586969B2Mar 10, 2020

Separator and electrochemical device comprising same

LG CHEMICAL LTD3 citations72
US10468652B2Nov 5, 2019

Separator for lithium secondary battery and manufacturing method therefor

LG CHEMICAL LTD3 citations72
US10115950B2Oct 30, 2018

Method of preparing separator for lithium secondary battery, separator prepared therefrom, and lithium secondary battery comprising the same

LG CHEMICAL LTD5 citations72
US9793528B2Oct 17, 2017

Separator with improved thermal stability and secondary battery comprising the same

LG CHEMICAL LTD3 citations72
US9698396B2Jul 4, 2017

Separator for secondary battery comprising dual porous coating layer of inorganic particles with different surface characteristics, secondary battery comprising the same, and method of manufacturing the separator

LG CHEMICAL LTD6 citations72
US11637311B2Apr 25, 2023

Separator, lithium secondary battery including separator, and manufacturing method thereof

LG CHEMICAL LTD0 citations63
US12583988B2Mar 24, 2026

Crosslinked polyolefin separator and manufacturing method therefor

LG CHEMICAL LTD0 citations62
US12567544B2Mar 3, 2026

Separator for electrochemical device and method for manufacturing the same

LG CHEMICAL LTD0 citations62
US12562319B2Feb 24, 2026

Separator for electrochemical device and method for manufacturing the same

LG CHEMICAL LTD0 citations62
US12166194B2Dec 10, 2024

Method of recovering capacity of a used battery and a secondary battery capacity recovery apparatus

LG CHEMICAL LTD1 citations62
US11728542B2Aug 15, 2023

Separator for electrochemical device comprising inorganic coating layer and method for manufacturing the same

LG CHEMICAL LTD1 citations62
US11718723B2Aug 8, 2023

Crosslinked polyolefin separator and manufacturing method therefor

LG CHEMICAL LTD0 citations62
US11673985B2Jun 13, 2023

Crosslinked polyolefin separator and method for manufacturing the same

LG CHEMICAL LTD0 citations62
US11657984B2May 23, 2023

Separator for electrochemical device, method for manufacturing same, and electrochemical device comprising same

LG CHEMICAL LTD0 citations62
US11450925B2Sep 20, 2022

Method of manufacturing electrode-separator composite, electrode-separator composite manufactured by the manufacturing method and lithium secondary battery comprising the same

LG CHEMICAL LTD0 citations62
US11355814B2Jun 7, 2022

Cross-linked polyolefin separator and manufacturing method for same

LG CHEMICAL LTD0 citations62
US10910620B2Feb 2, 2021

Preparation method of separator having organic-inorganic composite porous coating layer, separator formed therefrom, and electrochemical device containing the same

LG CHEMICAL LTD0 citations62
US10581045B2Mar 3, 2020

Separator for electrochemical element having improved electrolyte wettability and electrochemical element comprising same separator

LG CHEMICAL LTD1 citations62
US10468663B2Nov 5, 2019

Electrode with porous binder coating layer, method for manufacturing the same, and lithium secondary battery comprising the same

LG CHEMICAL LTD1 citations62
US10305079B2May 28, 2019

Method for manufacturing separator, separator manufactured therefrom, and electrochemical device comprising the same

LG CHEMICAL LTD1 citations62
US12451560B2Oct 21, 2025

Polyolefin separator and method for manufacturing the same

LG CHEMICAL LTD0 citations61
US12266821B2Apr 1, 2025

Composite separator for electrochemical device and electrochemical device including the same

LG CHEMICAL LTD0 citations60
US12237537B2Feb 25, 2025

Separator including polymer substrate with porous coating layer containing PVDF-based binder having β-phase and -phase crystals, and lithium secondary battery including the same

LG CHEMICAL LTD0 citations60
US10541399B2Jan 21, 2020

Secondary battery separator comprising organic/inorganic composite porous layer, and manufacturing method therefor

LG CHEMICAL LTD1 citations60
US11777095B2Oct 3, 2023

Secondary battery comprising electrode tab provided with insulation coating layer

LG CHEMICAL LTD0 citations59
US12206089B2Jan 21, 2025

Negative electrode for lithium secondary battery and lithium secondary battery comprising the same

LG CHEMICAL LTD0 citations52
US12170383B2Dec 17, 2024

Separator for electrochemical device comprising a patterned electrode adhesive layer and a method for manufacturing the separator

LG CHEMICAL LTD0 citations52
US12126045B2Oct 22, 2024

Separator for electrochemical device, electrochemical device comprising the same and manufacturing method of the separator

LG CHEMICAL LTD0 citations52
US11929458B2Mar 12, 2024

Separator having inorganic coating layer including small weight average molecular weight and low melting point PVDF, and method for manufacturing the same

LG CHEMICAL LTD0 citations52
US10797287B2Oct 6, 2020

Organic/inorganic composite porous membrane, and separator and electrode structure comprising the same

LG CHEMICAL LTD0 citations52
US10756319B2Aug 25, 2020

Method for manufacturing separator, separator manufactured therefrom and method for manufacturing electrochemical device having the same

LG CHEMICAL LTD0 citations52
US10224523B2Mar 5, 2019

Secondary battery pouch with enhanced insulation property, and method for manufacturing same

LG CHEMICAL LTD0 citations52

LEE JOO-SUNG

5 patents

SAMSUNG ELECTRONICS CO LTD

3 patents

KWON YO-HAN

1 patent

LG ENERGY SOLUTION LTD

1 patent

Showing the top 50 of 95 patents by PatentIndex Score.