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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$#