Cell
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United States of America Patent
Stats
-
Aug 27, 2002
Grant Date -
May 23, 2002
app pub date -
Sep 8, 1999
filing date -
Sep 8, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cell is provided in which a flat plate portion of a collector portion is prevented from making contact with a positive or negative electrode in a power generating element to cause a short circuit, the application area of a material can be widened, and edge portions of an electrode plate can be surely connected and fixed to a collector. In a collector portion of a negative or positive collector, press holds of a gap (groove) which opens on the side of a basal portion are formed by bending back a substantially vertical metal plate at an apex. The portion between adjacent press holds of the collector portion is formed into a flat plate-like shape. A window is formed in each of the press holds, or a reduced thick portion is formed in a part of each of the press holds.
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