RECHARGEABLE LITHIUM ION BATTERY WITH SILICON ANODE
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United States of America Patent
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Issued Date -
May 30, 2013
app pub date -
Nov 30, 2011
filing date -
Nov 30, 2011
priority date (Note) -
Abandoned
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Abstract
This disclosure provides systems, methods and apparatus for batch fabrication of a rechargeable lithium-ion battery using a silicon substrate as an anode. In one aspect, a pre-formed silicon substrate is provided. A plurality of first openings can be formed on one side of the substrate, which can have a high height to width aspect ratio. A plurality of second openings can be formed alternatingly, or in interdigitated fashion, with the first openings on another side of the substrate that is opposite the first side. A solid electrolyte layer can be deposited on the second side of the substrate in the second openings, and a cathode material can be formed into the second openings and over the electrolyte layer on the second side of the substrate.
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