MULTIMODAL SILICON-CARBON COMPOSITE MATERIAL, AN ANODE COMPRISING THE SAME AND A METHOD TO MANUFACTURE OF THE SAID COMPOSITE MATERIAL
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United States of America
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Jan 9, 2025
app pub date -
Nov 18, 2022
filing date -
Nov 18, 2022
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Abstract
Disclosed herein are silicon-carbon composite mixtures containing a first silicon-carbon composite material including a porous carbon scaffold containing micropores and mesopores and a total pore volume no less than 0.5 cm3/g, a silicon content from 30% to 70% and a plurality of particles having a Dv50 of 6 μm to 20 μm; as well as at least a second silicon-carbon composite material including at least a second carbon scaffold containing micropores and mesopores and a total pore volume no less than 0.5 cm3/g, a silicon content from 30% to 70%, and a plurality of particles having a Dv50 of 1 μm to 6 μm; and 10% to 90% by mass of the first silicon-carbon composite material and 10% to 90% of the at least one further silicon-carbon composite material. Also disclosed herein are methods of manufacturing silicon-carbon composite mixtures, methods of manufacturing anode electrodes containing a silicon-carbon composite mixture, and methods of manufacturing electrochemical energy storage devices containing a silicon-carbon composite mixture.
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