BUTTON CELL HAVING WINDING ELECTRODE AND METHOD FOR THE PRODUCTION THEREOF
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United States of America
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Issued Date -
Mar 26, 2020
app pub date -
Nov 25, 2019
filing date -
Nov 25, 2019
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Abstract
A rechargeable lithium ion button cell includes a first metal conductor electrically connected to a positive electrode and a housing component, and a second metal conductor electrically connected to the positive electrode and another housing component, wherein the positive electrode and a negative electrode each include a strip-shaped current collector, at least one of the strip-shaped current collectors includes sections coated with an active electrode material and an uncoated section between two coated sections, and either the first or the second metal conductor is attached by welding to the uncoated section and one of planar bottom and planar top regions, thereby electrically connecting either the positive or negative electrode to the housing component.
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