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Electric Double Layer Capacitance Device

  • US 20080180881A1
  • Filed: 11/15/2007
  • Published: 07/31/2008
  • Est. Priority Date: 11/15/2006
  • Status: Active Grant
First Claim
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1. An electrode comprising an activated carbon cryogel having a tunable pore structure wherein:

  • the surface area is at least 1500 m2/g as determined by nitrogen sorption at 77K and BET analysisand the pore structure comprises a pore volume ranging from about 0.01 cc/g to about 0.25 cc/g for pores having a pore diameter of 0.6 to 1.0 nm.

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