Processing Method For Reusing Waste Battery

Abstract: The present invention relates to a processing method for reusing a waste battery, the processing method comprising the steps of: cooling, for a minimum cooling time satisfying formula 1 below, a battery pack comprising, as a unit cell, a battery that includes a plurality of lithium ions, and freezing same; and crushing the frozen battery pack. minimum cooling time = A × (W0.33) (A = 4 × e(-0.02×dT), W = battery weight (Kg), dT= ¦external cooling temperature - target temperature¦, ¦¦ means absolute value)

Patent Information

Application #

Filing Date

04 October 2023

Publication Number

51/2024

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application

Applicants

POSCO CO., LTD

6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

POSCO HOLDINGS INC.

440, Teheran-ro, Gangnam-gu, Seoul 06194

Inventors

1. HAN, Sang Woo

440, Teheran-ro, Gangnam-gu, Seoul 06194

2. KIM, Wan-Yi

440, Teheran-ro, Gangnam-gu, Seoul 06194

3. YOON, Sanghyeon

6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

4. CHO, Hyunjin

6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

5. JUNG, Sungsuk

6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

Specification

Documents

Application Documents

#	Name	Date
1	202317066689-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [04-10-2023(online)].pdf	2023-10-04
2	202317066689-STATEMENT OF UNDERTAKING (FORM 3) [04-10-2023(online)].pdf	2023-10-04
3	202317066689-REQUEST FOR EXAMINATION (FORM-18) [04-10-2023(online)].pdf	2023-10-04
4	202317066689-PROOF OF RIGHT [04-10-2023(online)].pdf	2023-10-04
5	202317066689-PRIORITY DOCUMENTS [04-10-2023(online)].pdf	2023-10-04
6	202317066689-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [04-10-2023(online)].pdf	2023-10-04
7	202317066689-FORM 18 [04-10-2023(online)].pdf	2023-10-04
8	202317066689-FORM 1 [04-10-2023(online)].pdf	2023-10-04
9	202317066689-DRAWINGS [04-10-2023(online)].pdf	2023-10-04
10	202317066689-DECLARATION OF INVENTORSHIP (FORM 5) [04-10-2023(online)].pdf	2023-10-04
11	202317066689-COMPLETE SPECIFICATION [04-10-2023(online)].pdf	2023-10-04
12	202317066689-FORM 3 [12-01-2024(online)].pdf	2024-01-12
13	202317066689-FORM-26 [12-09-2025(online)].pdf	2025-09-12
14	202317066689-FORM 3 [12-09-2025(online)].pdf	2025-09-12