Lithiated silicon/carbon composite materials and method for producing the same
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United States of America Patent
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Aug 6, 2024
Grant Date -
May 25, 2023
app pub date -
Jan 6, 2023
filing date -
Jan 28, 2015
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Abstract
The invention relates to composite materials comprising lithiated or partially-lithiated graphite or graphene, and silicon having particles sizes from about 1 μm to about 100 μm, and that have an electrochemical rest potential less than about 2 V measured against Li/Li+, wherein graphitic material is mixed with silicon powder in a molar ratio of 9:1 to 1:9 and with lithium powder to an amount of the lithium in the composite material in the range of about 10 molar % to 100 molar % of the stochiometrically maximally possible lithium absorption, and to methods for production thereof.
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