Oxiranyl ester derivatives as additive for electrolytes in lithium ion batteries

US9640839B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Marta Porta Garcia · Mannheim, DE
• Frederick Francois Chesneau · St. Leon-Rot, DE
• Michael Schmidt · Oestrich-Winkel, DE
• Dominic RIEDEL · Ludwigshafen, DE
• Denis Schroeder · Ludwigshafen, DE
• Joaquim Henrique Teles · Waldsee, DE
• Arnd Garsuch · Ludwigshafen, DE
• Stefan Herzog · Lambrecht, DE
• Axel Kirste · Ludwigshafen am Rhein, DE
• Patrick Krieg · Ludwigshafen, DE
• Christian Karcher · Haßloch, DE
• Nicolas Vautravers · Ludwigshafen am Rhein, DE
• Stefano Meini · Munich, DE

Key dates

• Filing date: Jul 11, 2014
• Grant date: May 2, 2017
• Expiry date: Jul 11, 2034

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E60/10
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to 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) and (iv) optionally at least one further additive.