Title:
METHOD FOR MANUFACTURING BATTERY CASE OF ELECTRIC VEHICLE AND BATTERY CASE MANUFACTURED THEREBY
Document Type and Number:
WIPO Patent Application WO/2023/058803
Kind Code:
A1
Abstract:
The present invention relates to a method for manufacturing a battery case of an electric vehicle and a battery case manufactured thereby, the method comprising the steps of: (a) manufacturing an extrusion billet comprising a cylindrical core material and a hollow cylindrical case surrounding the outer circumferential surface of the cylindrical core material; and (b) extruding the extrusion billet to manufacture an extruded material having a battery case shape.
Inventors:
KWON HAN SANG (KR)
Application Number:
PCT/KR2021/014365
Publication Date:
April 13, 2023
Filing Date:
October 15, 2021
Export Citation:
Assignee:
NAT UNIV PUKYONG IND UNIV COOP FOUND (KR)
International Classes:
B21C23/08; B21C33/00; B60K1/04; H01M50/202
Foreign References:
| KR102290087B1 | 2021-08-17 | |||
| JP2005078894A | 2005-03-24 | |||
| KR102298678B1 | 2021-09-07 | |||
| KR101362328B1 | 2014-02-24 | |||
| KR100946479B1 | 2010-03-10 |
Attorney, Agent or Firm:
KIM, Jung Su (KR)
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