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Activated carbon for use in electric double layer capacitor and method of producing the same

  • US 6,592,838 B1
  • Filed: 10/19/2000
  • Issued: 07/15/2003
  • Est. Priority Date: 10/21/1999
  • Status: Expired due to Fees
First Claim
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1. A method for producing activated carbon for use in an electric double layer capacitor comprising the steps of:

  • mixing sodium hydroxide and a phenolic resin in the ratio of 1-3 to 1 by weight; and

    heating the resulting mixture in a nitrogen atmosphere in the temperature range of 770 to 1000°

    C. for 4 hours or less.

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