Electricity: electrical systems and devices – Electrolytic systems or devices – Solid electrolytic capacitor
Patent
1997-08-12
1999-10-26
Kincaid, Kristine
Electricity: electrical systems and devices
Electrolytic systems or devices
Solid electrolytic capacitor
361525, 361528, 361532, H01G 900, H01G 904
Patent
active
059739134
ABSTRACT:
An electrochemical capacitor is disclosed that features two, separated, high surface area carbon cloth electrodes sandwiched between two current collectors fabricated of a conductive polymer having a flow temperature greater than 130.degree. C., the perimeter of the electrochemical capacitor being sealed with a high temperature gasket to form a single cell device. The gasket material is a thermoplastic stable at temperatures greater than 100.degree. C., preferably a polyester or a polyurethane, and having a reflow temperature above 130.degree. C. but below the softening temperature of the current collector material. The capacitor packaging has good mechanical integrity over a wide temperature range, contributes little to the device equivalent series resistance (ESR), and is stable at high potentials. In addition, the packaging is designed to be easily manufacturable by assembly line methods. The individual cells can be stacked in parallel or series configuration to reach the desired device voltage and capacitance.
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Blakley Thomas J.
Evans David A.
Goldman Jay L.
McEwen Alan B.
Covalent Associates, Inc.
Dinkins Anthony
Kincaid Kristine
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