Title:
METHOD FOR HEATING LITHIUM ION BATTERY, OSCILLATING POWER SUPPLY, AND BATTERY MANAGEMENT SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/087613
Kind Code:
A1
Abstract:
Disclosed in the present disclosure are a method for heating a lithium ion battery, an oscillating power supply, and a battery management system, specifically comprising: acquiring the temperature of the lithium ion battery, and determining whether the lithium ion battery enters a heating stage according to the temperature of the lithium ion battery; when it is determined that the lithium ion battery enters the heating stage, determining a target performance parameter of an oscillation current according to the temperature of the lithium ion battery, the target performance parameter at least comprising: a forward amplitude and a negative amplitude of the oscillation current, the frequency of the oscillation current and the duty ratio of the oscillation current; and applying, to the lithium ion battery, an oscillation current having a target performance parameter. By means of the present disclosure, the problem in the related art that heating a lithium ion battery in a low-temperature environment causes uneven heating and damage to battery cells is solved.
Inventors:
YIN HAIXU (CN)
SU SHUFA (CN)
LIU DAOGAN (CN)
SU SHUFA (CN)
LIU DAOGAN (CN)
Application Number:
PCT/CN2022/087144
Publication Date:
May 25, 2023
Filing Date:
April 15, 2022
Export Citation:
Assignee:
SVOLT ENERGY TECH CO LTD (CN)
International Classes:
H01M10/615; H01M10/42; H01M10/633
Foreign References:
| CN114069070A | 2022-02-18 | |||
| CN113540620A | 2021-10-22 | |||
| CN113650486A | 2021-11-16 | |||
| CN105633497A | 2016-06-01 | |||
| JP2002260745A | 2002-09-13 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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