Method For Charging Or Discharging Lithium Secondary Battery

Abstract: The present invention relates to a method for charging or discharging a lithium secondary battery, comprising: a step of manufacturing a lithium secondary battery having an anode including a silicon-based active material; a first cycle step of repeating, N1 times for the lithium secondary battery, a first cycle of discharging under 3.0V to 3.5V conditions after charging; and a second cycle step of performing, N2 times for the lithium secondary battery, a second cycle of fully discharging after charging, wherein N1/N2 is greater than 25 and less than 100.

Patent Information

Application #

Filing Date

02 January 2025

Publication Number

08/2025

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application

Applicants

LG ENERGY SOLUTION, LTD.

Tower1 108, Yeoui-daero Yeongdeungpo-gu Seoul 07335

Inventors

1. MIN, Jiwon

(LG Energy Solution Research Park), 188, Munji-ro, Yuseong-gu, Daejeon 34122

2. PARK, Inbok

(LG Energy Solution Research Park), 188, Munji-ro, Yuseong-gu, Daejeon 34122

Specification

Documents

Application Documents

#	Name	Date
1	202517000471-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [02-01-2025(online)].pdf	2025-01-02
2	202517000471-STATEMENT OF UNDERTAKING (FORM 3) [02-01-2025(online)].pdf	2025-01-02
3	202517000471-REQUEST FOR EXAMINATION (FORM-18) [02-01-2025(online)].pdf	2025-01-02
4	202517000471-PROOF OF RIGHT [02-01-2025(online)].pdf	2025-01-02
5	202517000471-PRIORITY DOCUMENTS [02-01-2025(online)].pdf	2025-01-02
6	202517000471-POWER OF AUTHORITY [02-01-2025(online)].pdf	2025-01-02
7	202517000471-FORM 18 [02-01-2025(online)].pdf	2025-01-02
8	202517000471-FORM 1 [02-01-2025(online)].pdf	2025-01-02
9	202517000471-DRAWINGS [02-01-2025(online)].pdf	2025-01-02
10	202517000471-DECLARATION OF INVENTORSHIP (FORM 5) [02-01-2025(online)].pdf	2025-01-02
11	202517000471-COMPLETE SPECIFICATION [02-01-2025(online)].pdf	2025-01-02
12	202517000471-FORM 3 [12-05-2025(online)].pdf	2025-05-12