Metal-air button cells and method of manufacturing the same
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United States of America Patent
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Aug 2, 2016
Grant Date -
Jan 22, 2015
app pub date -
Jul 9, 2014
filing date -
Jul 17, 2013
priority date (Note) -
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Abstract
Metal-air button cells including a closed cell housing and, arranged therein, an air cathode and a metal-based anode separated from one another by a separator, wherein the cell housing is substantially composed of a first housing half-part and a second housing half-part; the housing half-parts are configured to be cup-shaped and have a base and a circumferential side wall; the base of the second housing half-part has one or more entry and/or exit openings for atmospheric oxygen; and the air cathode is configured to be disc-shaped and is positioned on the base of the second housing half-part such that it covers the entry and/or exit openings and its periphery bears on the inner side of the circumferential side wall of the second housing half-part.
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