Title:
BATTERY PACK
Document Type and Number:
Japanese Patent JP2018152224
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a battery pack in which heat deterioration of a low heat resistant member, placed in the vicinity of an external terminal, is restrained.SOLUTION: A battery pack including multiple electric cells and a bus bar 20 connecting them electrically is provided. The battery pack includes a power generation element, a battery case, and an external terminal 12 having bent parts 12a, 12c bending in the direction separating from the battery case. The bus bar 20 has a flat part 20b, and bent parts 20a, 20c bending in the direction approaching the battery case. The external terminal 12 and the bus bar 20 are placed so that the bent part 12c faces the bent part 20a, and the tip of the bent part 12c abuts on the flat part 20b. A laser weld part 40 is formed at a position where the tip of the bent part 12c abuts on the flat part 20b.SELECTED DRAWING: Figure 2
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Inventors:
NAGAI HIROYOSHI
TAMARU KOJI
KAGAMI RYO
OKAMOTO YUKI
TAMARU KOJI
KAGAMI RYO
OKAMOTO YUKI
Application Number:
JP2017047236A
Publication Date:
September 27, 2018
Filing Date:
March 13, 2017
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
H01M2/20; H01M2/02; H01M2/04; H01M2/06; H01M2/10; H01M2/30; H01M10/052
Domestic Patent References:
| JP2013254739A | 2013-12-19 | |||
| JP2014523064A | 2014-09-08 | |||
| JP2007323952A | 2007-12-13 | |||
| JP2014138000A | 2014-07-28 | |||
| JP2005327677A | 2005-11-24 | |||
| JP2011508396A | 2011-03-10 |
Attorney, Agent or Firm:
Makoto Abe
Michiko Oi
Hiroaki Yamane
Michiko Oi
Hiroaki Yamane