Title:
Power storage device
Document Type and Number:
Japanese Patent JP6295901
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a power storage device that is able to restrict, without limiting a fuse function, heat released in a fuse from being conducted to another electric cell through a bus bar.SOLUTION: The bus bar 30B of a power storage device comprises: a first bus bar part 31 connected, via a fuse 31F, to either one of the positive electrode and negative electrode of a plurality of electric cells 15 included in a first battery block; a second bus bar part connected to the other of the positive electrode and negative electrode of the electric cells 15 included in the second battery block; and a third bus bar part 33 connecting the first bus bar part 31 and the second bus bar part. The third bus bar part 33 includes: first portions 33a, 33b adjacent to the first bus bars 31; and a second portion 33c located on the second bus bar part further from the first portions 33a, 33b. The second portion 33c is greater in quantity of released heat than first portions 33a, 33b.SELECTED DRAWING: Figure 3
Inventors:
Kazumasa Asakura
Application Number:
JP2014193793A
Publication Date:
March 20, 2018
Filing Date:
September 24, 2014
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
H01M2/20; H01G2/04; H01G2/16; H01G11/10; H01G11/14; H01G11/16; H01G11/78; H01M2/10; H01M10/6551; H01M10/6553
Domestic Patent References:
| JP2014110139A | ||||
| JP2014229384A | ||||
| JP2014011086A |
Attorney, Agent or Firm:
Fukami patent office
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