BUTTON CELL AND METHOD FOR PRODUCTION THEREOF
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United States of America Patent
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Issued Date -
Mar 15, 2012
app pub date -
Mar 16, 2010
filing date -
May 9, 2009
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Abstract
A button cell has a multiple-part housing for holding electrodes and a separator, wherein there is an interlocking connection between the housing and at least one of the electrodes, in particular the anode. A method for producing button cells includes a step wherein an electrode material is introduced into a housing half-part, the inside of which has at least one recess provided with at least one undercut to create an interlocking connection between the resultant electrode and the housing half-part.
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