Inventors:
Alfred Siggel - Seelze, DE
Sonja Demel - Wunstorf, DE
Thirumalai G. Palanisamy - Morristown NJ, US
Michael Fooken - Seelze, DE
Brian O'Leary - Milburn NJ, US
Jeremy Diringer - Morristown NJ, US
Assignee:
Honeywell International, Inc. - Morristown NJ
International Classification:
H01G 9/00
H01G 9/02
H01M 6/04
US Classification:
361502, 361504, 252 622, 29 2503
Abstract:
A method for reducing pressure build-up in an electrochemical cell is provided comprising: providing an anhydrous nonaqueous electrolyte solution comprising at least one quaternary ammonium salt and at least one anhydrous nonaqueous solvent; contacting the electrolyte solution with at least one acid scavenger; and loading the nonaqueous electrolyte solution into the electrochemical cell. Also, provided is an electric double-layer capacitor (supercapacitor) comprising a free acid scavenger.