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https://www.youtube.com/watch?v=X-1uJEv0zjU
1. Super capactors
!. "wo types o# e$ectrochemca$ super capactor S%&&E"'() *+,
*SS%&E"'()
. rcp$e o# each o# them
. )$ass#cato o# e$ectrochemca$ capactors wth respect to e$ectroe
matera$s
*. )arbo base
(Principle and application of super capacitors, page 3) stability and
activity of high surface area carbon electrode decreases with increase
in surface area.
2. &eta$ o3e
Very high specific capacitance of up to 750 Fg was reported for !u"#
prepared at relatively low te$peratures% &onducting $etal o'ides lie
!u"# or r"# were the favored electrode $aterials in early *& s used for
space or $ilitary applications% +he high specific capacitance in
co$bination with low resistance resulted in very high specific powers%
ut too costly% &apacitor $aterials are only suitable for a-ueous
electrolytes, thus li$iting the no$inal cell voltage to . V.
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7.!.Present applications
6sed in consu$er electronic products, where they $ainly serve as bacup sources
for $e$ories, $icroco$puters, syste$ boards, and cloc
&arbon aterial
n case of carbon, electrical double layer capacitance caries with type of carbon,
condition of preparation and has value in between .5/#0 ufc$#