Electrolytic solution for double-layer capacitors and double layer capacitor with the electrolyte solution

摘要

Electrolytic solution for double-layer capacitors with the following components:A) at least one conducting salt in the form of a cation is a quaternary ammonium - cation which in the β - position of the nitrogen atom has no hydrogen atoms and no ester of a carboxylic acid whose anion comprises,B) at least one solvent,wherein the quaternary ammonium - cation is selected from:Trimethyl - 2,2 - dicyclo pentyl propyl - cation, trimethyl - 2,2 - dicyclo hexyl propyl ammonium - cation, trimethyl - 2,2 - dimethyl propyl ammonium - cation, trimethyl - 2,2 - ethyl methyl propyl ammonium - cation, trimethyl - 2,2 - ethyl methyl butyl ammonium - cation, trimethyl - 2,2 - diethyl propyl ammonium - cation, trimethyl - 2,2 - dicyclo pentyl butyl ammonium - cation, trimethyl - 2,2 - dicyclo hexyl butyl ammonium - cation and trimethyl - 2,2 - diethyl butyl ammonium - cation.