High voltage electrolytes

Details High voltage electrolytes High voltage electrolytes

2011-08-16

2011-08-16

Thomas, Eric (Department: 2835)

Electricity: electrical systems and devices

Electrolytic systems or devices

Double layer electrolytic capacitor

C361S504000, C252S062200, C029S025030

Reexamination Certificate

active

08000084

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.

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Erik J. Brandon, “Extending the low temperature operational limit of double-layer capacitors”; ScienceDirect, Journal of Power Sources 170 (2007) 225-232; www.sciencedirect.com.

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