Electrolyte for three-volt ultracapacitor
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United States of America Patent
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Jul 25, 2017
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app pub date -
Oct 7, 2013
filing date -
Oct 8, 2012
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Abstract
An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. The capacitor may also include an electrolyte in ionic contact with the electrodes and the separator, the electrolyte having acetonitrile and a quaternary ammonium salt with a molarity of less than one.
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