Current collector shape adjusting device
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United States of America Patent
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-
Oct 15, 2013
Grant Date -
Sep 27, 2012
app pub date -
Jun 8, 2012
filing date -
Dec 28, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A battery unit is housed in a metallic battery case. In the battery unit, current collectors having bent portions on both sides are fixed to face surfaces of an electrode plate group of a prismatic battery. The portions of the battery case, which correspond to the bent portions, are pressed in a thickness direction. Under the pressure, a short circuit inspection for a short circuit between the battery case and the current collectors of the battery unit is executed. When a projected object exists on the bent portion, a short circuit is generated between the battery case and the current collector by pressing so that a short circuit failure caused by a shape of the current collector can be detected.
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