Cell assembly for an energy storage device with activated carbon electrodes
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United States of America Patent
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Feb 1, 2011
Grant Date -
May 1, 2008
app pub date -
Oct 26, 2006
filing date -
Oct 26, 2006
priority date (Note) -
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Abstract
A hybrid supercapacitor energy storage device includes at least one lead electrode, at least one carbon electrode, a separator, a casing, and an acid electrolyte. The lead electrode is enveloped in a common glass mat separator known in the lead-acid battery industry. The carbon electrode comprises a highly conductive current collector which is a sheet or other metal material sandwiched between two sheets of electronically conductive shield material. Activated carbon is manufactured using a binder such as polyethylene or PTFE adhered to and in electrical contact with the shield material of the current collector.
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