ELECTRODE MATERIAL WITH CORE-SHELL STRUCTURE
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United States of America Patent
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Issued Date -
Aug 2, 2012
app pub date -
Feb 1, 2011
filing date -
Jun 20, 2008
priority date (Note) -
Abandoned
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Abstract
The present invention discloses a composite material having an ionic and electronic conductive outer shell with an active material inner core located within the outer shell. The outer shell can be impervious to a gas and a liquid, and in some instances contains a compound such as SiO2, Al2O3, P2S5, and Li2S. The composite material may or may not have a secondary outer shell that is located on an exterior of the outer shell. The outer shell and/or the secondary outer shell can contain a compound such as SiO2, Al2O3, P2S5, and/or Li2S. In some instances, the outer shell contains Li2S:P2S5, while in other instances, the outer shell contains LiPON. In addition, the inner core can contain an element such as lithium, sodium, potassium, and the like.
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