Title:
BATTERY SELF-HEATING SYSTEM AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/045657
Kind Code:
A1
Abstract:
A battery self-heating system, the system comprising: a power battery pack (21), a first heating module (22), a second heating module (23) and a controller (24), wherein the power battery pack (21) comprises a first battery group (E1) and a second battery group (E2), which are connected in series; the first heating module (22) comprises a first heating sub-module (221) and a second heating sub-module (222); the second heating module (23) comprises a third heating sub-module (231) and a fourth heating sub-module (232); and the controller (24) is configured to: control the first heating module (22) and the first battery group (E1) to alternately charge and discharge, control the second heating module (23) and the second battery group (E2) to alternately charge and discharge, and control, when one of the first battery group (E1) and the second battery group (E2) is in a discharged state, the other of the first battery group (E1) and the second battery group (E2) to be in a charged state.
Inventors:
YAN LEI (CN)
GAO WEN (CN)
ZHANG JUNWEI (CN)
SONG GAN (CN)
GAO WEN (CN)
ZHANG JUNWEI (CN)
SONG GAN (CN)
Application Number:
PCT/CN2023/090701
Publication Date:
March 07, 2024
Filing Date:
April 25, 2023
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
B60L58/27; B60L58/18; H01M10/44; H01M10/615; H01M10/637
Foreign References:
| CN212373187U | 2021-01-19 | |||
| CN102668229A | 2012-09-12 | |||
| DE102013107767A1 | 2015-01-22 | |||
| JP2009142069A | 2009-06-25 |
Attorney, Agent or Firm:
INNOTRACK INTELLECTUAL PROPERTY LAW FIRM (CN)
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