US 12,456,764 B2
Battery module
Kousuke Aoki, Kariya (JP); and Tatsuhiro Numata, Kariya (JP)
Assigned to DENSO CORPORATION, Kariya (JP)
Filed by DENSO CORPORATION, Kariya (JP)
Filed on Jun. 24, 2022, as Appl. No. 17/849,330.
Application 17/849,330 is a continuation of application No. PCT/JP2020/047956, filed on Dec. 22, 2020.
Claims priority of application No. 2020-026954 (JP), filed on Feb. 20, 2020.
Prior Publication US 2022/0328890 A1, Oct. 13, 2022
Int. Cl. H01M 10/48 (2006.01); H01M 50/296 (2021.01); H01M 50/516 (2021.01)
CPC H01M 10/482 (2013.01) [H01M 50/296 (2021.01); H01M 50/516 (2021.01)] 12 Claims
OG exemplary drawing
 
1. A battery module comprising:
a plurality of assembled batteries each of which having
a plurality of battery cells having an electrode forming surface of a metal case along which a negative electrode terminal and a positive electrode terminal are arranged with an interval in a width direction,
a battery case that houses the plurality of the battery cells to be arranged in a length direction intersecting the width direction along the electrode forming surface,
a first terminal connection portion that electrically connects the negative electrode terminal of one of the battery cells adjacent to each other to the positive electrode terminal of the adjacent battery cell in the length direction, and
a second terminal connection portion that electrically connects the positive electrode terminal of one of the battery cells adjacent to each other to the negative electrode terminal of the adjacent battery cell in the length direction, the second terminal connection portion being separated from the first terminal connection portion in the width direction;
a plurality of individual detection units configured to individually detect a physical quantity of each of the plurality of assembled batteries;
a plurality of individual communication units configured to output a detection result of each of the plurality of individual detection units as a wireless signal;
a monitoring unit configured to wirelessly communicate with each of the plurality of individual communication units; and
an electromagnetic reflection housing having a storage space to store the plurality of assembled batteries, the plurality of individual detection units, the plurality of individual communication units, and the monitoring unit, wherein
the individual communication unit is provided in a waveguide path defined between the first terminal connection portion and the second terminal connection portion in the width direction and defined between the electrode forming surface and a facing surface of the electromagnetic reflection housing that faces the electrode forming surface in a height direction orthogonal to the electrode forming surface.