Acrylonitrile derivatives as additive for electrolytes in lithium ion batteries

US9722280B2 · 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: Aug 1, 2017
• Expiry date: Jul 7, 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 (NC)(A1X1)C═C(X2A2)(CN) wherein X1 and X2 are independently from each other selected from N(R′), P(R1), O, and S, and A1 and A2 are selected from H or organic substituents; and electrochemical cells containing electrolyte composition (A).