BATTERY ELECTROLYTE SOLUTIONS CONTAINING PHOSPHORUS-SULFUR COMPOUNDS

A battery electrolyte solution contains from 0.001 to 20% by weight of certain phosphorus -sulfur compounds. The phosphorus -sulfur compound performs effectively as a solid- electrolyte interphase (SEI) forming material. The phosphorus-sulfur compound has little adverse impact on the electrical prop...

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Hauptverfasser:	PASZTOR, ANDREW, J, STRAND, DEIDRE, ANN, SHANKAR, RAVI, B, TANG, HOUXIANG, KRUPER, WILLIAM, J, MARGL, PETER, MICHAEL, WILSON, DAVID, R, STAJDL, JEREMY, RICHARD
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Zusammenfassung:	A battery electrolyte solution contains from 0.001 to 20% by weight of certain phosphorus -sulfur compounds. The phosphorus -sulfur compound performs effectively as a solid- electrolyte interphase (SEI) forming material. The phosphorus-sulfur compound has little adverse impact on the electrical properties of the battery, and in some cases actually improves battery performance. Batteries containing the electrolyte solution form robust and stable SEIs even when charged at high rates during initial formation cycles. L'invention porte sur une solution électrolytique de batterie qui contient de 0,001 à 20 % en poids de certains composés de phosphore-soufre. Le composé de phosphore-soufre agit de façon efficace comme matière formant une interphase électrolyte solide (SEI). Le composé de phosphore-soufre a peu d'impact défavorable sur les propriétés électriques de la batterie, et, dans certains cas, améliore en fait la performance de la batterie. Les batteries contenant la solution électrolytique forment des SEI robustes et stables même lorsqu'elles sont chargées à des vitesses élevées pendant les cycles de formation initiale.