STRESS-BUFFERING SILICON-CONTAINING COMPOSITE PARTICLE FOR A BATTERY ANODE MATERIAL AND THE METHOD OF PREPARING THE SAME
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United States of America Patent
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Nov 17, 2016
app pub date -
Sep 10, 2014
filing date -
Sep 10, 2014
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Abstract
A stress-buffering silicon-containing composite particle for a battery anode material, includes a stress-buffering particle having a Young's modulus greater than 100 GPa, a binder, and a silicon-containing shell surrounding and bonded to the stress-buffering particle through the binder. The silicon-containing shell has a plurality of silicon flakes that are randomly stacked and that are bonded to one another through the binder to form a porous structure.
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