HEAT TREATMENT METHOD FOR LITHIUM ION BATTERY WASTE
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Oct 4, 2022
filing date -
Oct 4, 2022
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Abstract
A heat treatment method for lithium ion battery waste includes: a battery heating step of heating lithium ion battery waste in a heat treatment furnace 1 while feeding an inert gas; and a gas combustion step of delivering a gas generated in the heat treatment furnace 1 into a gas combustion furnace 2 and burning the generated gas in the gas combustion furnace 2, wherein a gauge pressure in the heat treatment furnace is maintained in a range of −0.20 kPa to −0.01 kPa, when the lithium ion battery waste is heated while feeding the inert gas into the heat treatment furnace 1 in the battery heating step.
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