METHOD FOR MANUFACTURING SECONDARY BATTERY AND APPARATUS FOR MANUFACTURING SECONDARY BATTERY

WIPO Patent Application WO/2022/010210

A1

The present invention relates to a method for manufacturing a secondary battery and an apparatus for manufacturing a secondary battery. The method for manufacturing a secondary battery, according to the present invention, comprises: an accommodation step for forming a cell by accommodating, in a pouch, an electrode assembly in which electrodes and separators are alternately stacked, an electrolyte, and one side of an electrode lead connected to the electrodes; an activation step for charging and activating the cell; a press step for roll-pressing the cell by sequentially pressing the cell through a pressing roll after the activation step; and a degasification step for discharging gas inside the cell to the outside after the press step.

WO/2024/077686	COILED CELL STRUCTURE AND BATTERY
JP2002033098	SLITTER AND CUTTING METHOD FOR MASTER ROLL OF ELECTRODE
WO/2022/060136	BUTTON-TYPE SECONDARY BATTERY

HONG SUK HYUN (KR)
LEE EUI KYUNG (KR)
BAE JOON SUNG (KR)
KIM SANG JIH (KR)
LEE BEOM KOON (KR)
BAE DONG HUN (KR)

PCT/KR2021/008529

January 13, 2022

July 05, 2021

Click for automatic bibliography generation  

LG ENERGY SOLUTION LTD (KR)

H01M10/04; H01M4/04; H01M10/058; H01M50/116; H01M50/30; H01M50/317; H01M50/543

KR101602466B1	2016-03-10
KR20180056131A	2018-05-28
KR20150043754A	2015-04-23
KR20180091255A	2018-08-16
KR20170063222A	2017-06-08
KR20140015647A	2014-02-07

BAE, KIM & LEE IP (KR)

View/Download PDF      PDF Help

Previous Patent: METHOD AND APPARATUS FOR SMALL DATA TRANSMISSION

Next Patent: ALL SOLID STATE BATTERY AND MANUFACTURING METHOD THEREFOR