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AssigneeDow Global Technologies LLC
InventorsDavid R. Wilson, Ravi B. Shankar, Houxiang Tang, Andrew J. Pasztor, Jr., Peter M. Margl, William J. Kruper, Jr., Mark D. Newsham, Jing Jin, Matthew M. Yonkey, Deidre A. Strand, Thomas D. Gregory, Jamie L. Cohen, Jeremy R. Stajdl
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A battery electrolyte solution contains from 0.01 to 80% by weight of an aromatic phosphorus compound. The aromatic phosphorus compound provides increased thermal stability for the electrolyte, helping to reduce thermal degradation, thermal runaway reactions and the possibility of burning. The aromatic phosphorus compound has little adverse impact on the electrical properties of the battery, and in some cases actually improves battery performance.
A battery electrolyte solution comprising at least one lithium salt and a non-aqueous solvent in which the lithium salt is soluble, wherein from 0.01 to 80% by weight of the battery electrolyte solution is at least one aromatic phosphorus compound represented by the structure:
Dependencies are inferred from the claim text.