Title:
METHOD AND DEVICE FOR EVALUATING BATTERY LIFESPAN
Document Type and Number:
WIPO Patent Application WO/2023/182537
Kind Code:
A1
Abstract:
Disclosed are a method and a device for evaluating the lifespan of a battery of an electric vehicle. The method comprises the steps of: by the device for evaluating the lifespan of a battery, obtaining charging history information comprising information about changes in charging parameters in respective charging cycles according to an accumulation of charging cycles performed for the battery during a period of use of the electric vehicle; by the device for evaluating the lifespan of a battery, performing a charge/discharge test at a predetermined C-rate on the battery collected from the electric vehicle; outputting first lifespan information of the battery on the basis of a rate of change of the charging parameters in the charge/discharge test at the predetermined C-rate; and by the device for evaluating the lifespan of a battery, outputting second lifespan information obtained by correcting the first lifespan information of the battery on the basis of the charging history information.
Inventors:
PARK JAE HONG (KR)
SHIN HYOUNG JAE (KR)
SHIN HAN SOO (KR)
SHIN HYOUNG JAE (KR)
SHIN HAN SOO (KR)
Application Number:
PCT/KR2022/003900
Publication Date:
September 28, 2023
Filing Date:
March 21, 2022
Export Citation:
Assignee:
PMGROW CORP (KR)
International Classes:
B60L58/16; B60L53/62; B60L53/66; B60L58/12; G01R31/392
Foreign References:
| KR20210134138A | 2021-11-09 | |||
| KR20160090645A | 2016-08-01 | |||
| KR20160030643A | 2016-03-21 | |||
| JP2020053147A | 2020-04-02 | |||
| JP2012154839A | 2012-08-16 | |||
| US10310018B2 | 2019-06-04 |
Attorney, Agent or Firm:
YOUNGBEE INTELLECTUAL PROPERTY (KR)
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