Zwitterionic electrolytes such as N-methyl-N-(n-butanesulfonate) pyrrolidinium are added to electrolyte compositions such as polyelectrolytes, ionic liquid electrolytes and molecular solvent electrolytes (for example, lithium hexafluorophosphate) to improve conductivity of the ion species, such as lithium, in the electrolyte. This has application to lithium based energy storage devices such as batteries and supercapacitors.
History
Patent owner
Univ Monash; Ganisation Commonwealth Scient; Macfarlane Douglas Robert; Hollenkamp Anthony Frank; Howlett Patrick Craig; Forsyth Maria; Tiyapiboonchaiya Churat; Pringle Jenny Mary; Byrne Nolene
Registry office
Other international (5)
Patent number
WO2006017898 (A1)
Patent family name
Zwitterionic additives for electrochemical devices