Method for welding electrode leads of secondary battery module and compact secondary battery module using the same
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United States of America Patent
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Nov 19, 2019
Grant Date -
Nov 30, 2017
app pub date -
Dec 24, 2015
filing date -
Dec 24, 2014
priority date (Note) -
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Abstract
Disclosed is a compact secondary battery module, which includes a cartridge assembly having a plurality of cartridges stacked while accommodating cells, respectively, so that a plurality of lead welding portions where a first lead and a second lead of adjacent cells overlap with each other are located at a cartridge sidewall with a predetermined pattern; and a sensing housing having a plurality of bus bars located and welded corresponding to the lead welding portions, respectively, the sensing housing being capable of being arranged at a side of the cartridge assembly, wherein when the sensing housing is coupled to the cartridge assembly, the first lead, the second lead and the bus bar are located in order from the sidewall of the cartridge in an outer direction and welded from the bus bar.
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