Secondary battery having cap assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 21, 2003
Grant Date -
Jun 21, 2001
app pub date -
Dec 15, 2000
filing date -
Dec 15, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A secondary battery having a cap assembly, including an electrode assembly; a case in which the electrode assembly is located; a cap assembly having a cap plate coupled to and hermetically sealing the case. A terminal member has a head with a stepped protrusion penetrating the cap plate and insulated from the cap plate by an insulating member. The stepped protrusion presses the insulating member in multiple steps. The terminal member is connected to a positive or negative electrode terminal of the electrode assembly.
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