Acrylonitrile derivatives as additive for electrolytes in lithium ion batteries

US9761909B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Frederick Francois Chesneau · St. Leon-Rot, DE
• Zoltan Baan · Frankenthal (Pfalz), DE
• Boris Gaspar · Mannheim, DE
• Michael Schmidt · Oestrich-Winkel, DE
• Arnd Garsuch · Ludwigshafen, DE
• Hannes Wolf · Ludwigshafen, DE
• Klaus Leitner · Feldkirch, AT
• Christian Saffert · Monsheim, DE
• Wolfgang Klaus · Ludwigshafen, DE
• Melanie Kuhl · Heuchelheim, DE

Key dates

• Filing date: Jul 7, 2014
• Grant date: Sep 12, 2017
• Expiry date: Sep 1, 2034

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E60/10
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

An electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (I) wherein X1 and X2 are independently from each other selected from N(R1), P(R1), O, and S, Y1 and Y2 are independently from each other selected from (O), (S), (PR2) and (NR2); and electrochemical cells containing electrolyte composition (A).