METHOD FOR MANUFACTURING SECONDARY BATTERY, AND MANUFACTURING EQUIPMENT THEREFOR

Title:

METHOD FOR MANUFACTURING SECONDARY BATTERY, AND MANUFACTURING EQUIPMENT THEREFOR

Document Type and Number:

WIPO Patent Application WO/2021/101005

Kind Code:

A1

Abstract:

The present invention relates to a method for manufacturing a second battery, comprising the steps of: (a) alternately stacking an electrode and a separation membrane so as to manufacture an electrode assembly; (b) laminating the electrode assembly at a pressure of 5kgf/㎠ or more so as to bond the electrode and the separation membrane included in the electrode assembly; (c) accommodating the electrode assembly in a battery case, injecting an electrolyte into the battery case, and then sealing the battery case so as to manufacture an auxiliary battery; (d) charging/discharging the auxiliary battery so as to activate same; and (e) aging the auxiliary battery at high temperature for 1 to 6 hours in a range of 60℃~100℃ so as to thermally treat the auxiliary battery.

Inventors:

CHOI HYUN JUN (KR)
CHOI SOON JU (KR)
KIM SEOK KOO (KR)
KIM YOUNG DEOK (KR)
KIM DAE SOO (KR)

Application Number:

PCT/KR2020/008586

Publication Date:

May 27, 2021

Filing Date:

July 01, 2020

Export Citation:

Click for automatic bibliography generation Help

Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

H01M10/04; H01M4/04; H01M10/058; H01M10/44

Foreign References:

KR20170101582A	2017-09-06
KR20150015303A	2015-02-10
KR101830286B1	2018-02-20
JP6384729B2	2018-09-05
KR20150022264A	2015-03-04

Other References: