ADDITIVE, CONTAINING ALUMINUM SILICATE, FOR SECONDARY BATTERY ELECTROLYTE AND PREPARATION METHOD THEREFOR
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United States of America Patent
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Issued Date -
Mar 28, 2024
app pub date -
Feb 15, 2022
filing date -
Feb 17, 2021
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Abstract
There is provided an additive for secondary battery electrolyte, containing aluminum silicate. The aluminum silicate has a particle size of 200 nm to 20 μm. The aluminum silicate has a mass ratio of 60 to 70 wt % of oxygen (O), 0.1 to 2.0 wt % of aluminum (Al), and 25 to 35 wt % of silicon (Si). The aluminum silicate has a surface area of 50 to 1,000 m2/g. The aluminum silicate has a pore size of 0.1 to 20 nm.
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