Title:
EXTERNAL BALANCING DEVICE FOR BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2023/162069
Kind Code:
A1
Abstract:
This external balancing device for a battery pack charges a plurality of cells embedded in the battery pack and comprises a CPU, banks, and connectors. The banks include cell controller ICs and chargers. The chargers have a configuration of being connected to corresponding respective cells via the connectors. The CPU and the banks communicate with each other in a state of being isolated from each other. The chargers are externally supplied with power in an isolated state. This makes it possible to provide the external balancing device that is compact and has no risk of overheat of the cell controller ICs (cellcon-ICs) during connector connection.
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Inventors:
INOUE TAKESHI (JP)
YONEMOTO MASAHIRO (JP)
HONKURA KOHEI (JP)
HORIKOSHI NOBUYA (JP)
HIRASAWA SHIGEKI (JP)
KONISHI HIROAKI (JP)
MOCHIZUKI MASAHITO (JP)
YONEMOTO MASAHIRO (JP)
HONKURA KOHEI (JP)
HORIKOSHI NOBUYA (JP)
HIRASAWA SHIGEKI (JP)
KONISHI HIROAKI (JP)
MOCHIZUKI MASAHITO (JP)
Application Number:
PCT/JP2022/007505
Publication Date:
August 31, 2023
Filing Date:
February 24, 2022
Export Citation:
Assignee:
HITACHI HIGH TECH CORP (JP)
International Classes:
H02J7/02; H01M10/44
Domestic Patent References:
| WO2019208163A1 | 2019-10-31 | |||
| WO2019123907A1 | 2019-06-27 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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