Electrolyte functional additive for lithium ion battery, lithium ion battery electrolyte and lithium ion battery
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United States of America
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Feb 18, 2025
Grant Date -
Apr 13, 2023
app pub date -
Nov 6, 2020
filing date -
Nov 6, 2020
priority date (Note) -
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Abstract
Provided are an electrolyte functional additive for a lithium ion battery, a lithium ion battery electrolyte and the lithium ion battery. Calculated in parts by weight, the functional additive includes 0.1-0.5 parts of lithium tetrafluoroborate, 0.3-1.5 parts of lithium bisoxalate borate, and 0.2-2 parts of vinylene carbonate. The functional additive guarantees that a dense and stable SEI film is formed on the surface of a negative electrode, and high-temperature storage performance and high-temperature cycle performance of the battery are improved.
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