ELECTROLYTE FOR HIGH VOLTAGE ELECTROLYTIC CAPACITORS AND METHODS

ELECTROLYTE FOR HIGH VOLTAGE ELECTROLYTIC CAPACITORS AND METHODS

This disclosure relates to an electrolyte for an aluminum electrolytic capacitor. An electrolyte according to one embodiment includes a protic fluid and a high dielectric co-solvent or a dipolar aprotic. According to various embodiments, the electrolyte is pH buffered to less than approximately 6.8...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: DOMBRO, JR. RONALD A
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
ELECTRICITY
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Beschreibung
Zusammenfassung:This disclosure relates to an electrolyte for an aluminum electrolytic capacitor. An electrolyte according to one embodiment includes a protic fluid and a high dielectric co-solvent or a dipolar aprotic. According to various embodiments, the electrolyte is pH buffered to less than approximately 6.8 pH. The protic fluid includes ethylene glycol and the high dielectric co-solvent includes N-methylformamide, in various embodiments. The disclosure further relates to methods for manufacturing an electrolyte, and capacitors and implantable devices including a supporting electrolyte selected for optimal cation size and charge and anion solubility.