Title:
BATTERY MANAGEMENT CIRCUIT, POWER STORAGE DEVICE, AND BATTERY MANAGEMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2021/015066
Kind Code:
A1
Abstract:
A battery management circuit (4) used for each of a plurality of serially connected storage batteries (1) in a power storage device (100) that comprises the storage batteries (1) and a plurality of serially connected capacitors (3), wherein the battery management circuit (4) comprises: a positive-electrode connection terminal (14) connected to a positive electrode of the corresponding storage battery (1); a negative-electrode connection terminal (15) connected to a negative electrode of the corresponding storage battery (1); a capacitor connection terminal (16) connected to a terminal of the capacitor (3); and a control circuit (10) that controls the operation of connecting the positive-electrode connection terminal (14) or the negative-electrode connection terminal (15) with the capacitor connection terminal (16), and performs a control in the connection operation to synchronize with the operation of connecting another battery management circuit (4) among the plurality of battery management circuits (4).
Inventors:
RYU TAKASHI
Application Number:
PCT/JP2020/027451
Publication Date:
January 28, 2021
Filing Date:
July 15, 2020
Export Citation:
Assignee:
NUVOTON TECH CORPORATION JAPAN (JP)
International Classes:
H01M10/48; H02J7/02
Foreign References:
| JP2012139088A | 2012-07-19 | |||
| JP2002042901A | 2002-02-08 | |||
| JP2015033237A | 2015-02-16 |
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
Download PDF: