Method for producing battery pack, and battery pack
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United States of America Patent
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Dec 8, 2020
Grant Date -
May 9, 2019
app pub date -
Nov 5, 2018
filing date -
Nov 8, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a battery pack in which multiple battery cells are electrically connected by using bus bars, with little resistance variability and without plating of electrode external terminals. A method for producing a battery pack disclosed herein includes: a step of stacking a plurality of battery cells each having a battery case and electrode external terminals provided outside the battery case; and a step of electrically connecting the electrode external terminals of the plurality of battery cells by using metal-made bus bars. The electrode external terminals are not plated. The method for producing a battery pack further includes forming a fresh surface of terminal material at each surface of the electrode external terminals; and bringing the fresh surface and each metal-made bus bar into contact with each other.
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