Pressure method for an electrode structure
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United States of America Patent
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Mar 29, 2005
Grant Date -
Feb 13, 2003
app pub date -
Apr 11, 2002
filing date -
Apr 12, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pressure method for an electrode without causing any breakage of a current collecting material. The electrode structure comprises the current collecting material and an electrode layer. The electrode layer has a smaller surface area than a surface area of the current collecting material. The work roll with the concave portion pressurizes the electrode layer coated on the current collecting material while the convex portion to the section of the current collecting material without the electrode layer coated thereon where said section of the current collecting material is the predetermined distance away from the electrode layer, thereby elongating the electrode layer and the current collecting material.
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