Electrochemical capacitor with solid electrolyte
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United States of America Patent
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Nov 16, 1999
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N/A
app pub date -
Sep 25, 1997
filing date -
Sep 25, 1997
priority date (Note) -
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Abstract
A capacitor (100) includes first and second electrodes (102, 103) that each have an electroactive material (115, 120) disposed on a metallic substrate (105, 110). A solid electrolyte (125) including a polyacid is positioned between the first and second electrodes (102, 103). Polyacids are relatively low in cost, and their high ionic conductivity together with their thermal stability makes polyacids a viable alternative to solid polymer electrolytes.
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