Localized heat treatment of battery component films
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United States of America Patent
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Feb 9, 2016
Grant Date -
Oct 3, 2013
app pub date -
Mar 29, 2012
filing date -
Mar 29, 2012
priority date (Note) -
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Abstract
A battery fabrication method includes forming on a substrate, at least a portion of a battery cell having a plurality of battery component films that include an underlying film with an overlying metal-containing film. A beam incident area of the metal-containing film is locally heated by directing onto the metal-containing film, an energy beam maintained at a fluence of at least about 800 J/cm2. The metal-containing film is heated to a temperature that is at least 100° C. higher than the temperature attained by the underlying film.
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