Layer and method for microbattery protection by a ceramic-metal double layer
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United States of America Patent
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Issued Date -
Apr 26, 2007
app pub date -
Oct 14, 2004
filing date -
Oct 16, 2003
priority date (Note) -
Abandoned
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Abstract
A protective layer (7) formed of a metal or metal alloy capable of absorbing considerable thermomechanical deformations without causing fissures to appear is described for energy storage systems. In particular, the metal or the metal alloy has an expansion coefficient less than 6.10.sup.-6 .degree. C..sup.-1. The protective layer may be associated with a second layer (6) in insulating ceramic. A deposition method is described. Said protection is principally advantageous for microbatteries (10), the constituents of which are reactive to air.
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