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Electrochemical Properties of Activated Carbon Supecapacitor Containing Sulfonated Polypropylene Separator Coated with a Hydrogel Polymer Electrolyte
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  • Journal title : Korean Chemical Engineering Research
  • Volume 52, Issue 5,  2014, pp.553-557
  • Publisher : The Korean Institute of Chemical Engineers
  • DOI : 10.9713/kcer.2014.52.5.553
 Title & Authors
Electrochemical Properties of Activated Carbon Supecapacitor Containing Sulfonated Polypropylene Separator Coated with a Hydrogel Polymer Electrolyte
Yoon, Choong Sub; Ko, Jang Myoun; Latifatu, Mohammed; Lee, Hae Soo; Lee, Young-Gi; Kim, Kwang Man; Won, Jung Ha; Jo, Jeongdai; Jang, Yunseok; Kim, Jong Huy;
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Sulfonated polypropylene (S-PP) is prepared by sulfuric acid-acetone aldol condensation reaction of polypropylene (PP) separator to yield hydrophilic separator surface with a moderate amount of groups. Activated carbon supercapacitor is also fabricated adopting the S-PP separator coated with potassium polyacrylate (PAAK) hydrogel polymer electrolyte. As a result, the hydrophilic surface of S-PP separator involves better physical and electrochemical properties such as decrease in contact angle, improvements of wettability, electrolyte uptake, and ionic conductivity to give higher specific capacitance and long cycle-life.
Polypropylnene Separator;Sulfonation;Hydrogel Polymer Electrolyte;Supercapacitor;
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