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Supercapacitor Devices Based on Graphene Materials

Tipo de material: TextoTextoSeries ; J. Phys. Chem. C, 113(3), p.13103-13107, 2009Trabajos contenidos:
  • Wang, Y
  • Shi, Z
  • Huang, Y
  • Ma, Y
  • Wang, C
  • Chen, M
  • Chen, Y
Recursos en línea: Resumen: Graphene materials (GMs)as supercapacitor electrode materials have been investigated. GMs are prepared from graphene oxide sheets, and subsequently suffer a gas-based hydrazine reduction to restore the conducting carbon network. A maximum specific capacitance of 205 F/g with a measured power density of 10 kW/kg at energy density of 28.5 Wh/kg in an aqueous electrolyte solution has been obtained. Meanwhile, the supercapacitor devices exhibit excellent long cycle life along with ¡«90
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Graphene materials (GMs)as supercapacitor electrode materials have been investigated. GMs are prepared from graphene oxide sheets, and subsequently suffer a gas-based hydrazine reduction to restore the conducting carbon network. A maximum specific capacitance of 205 F/g with a measured power density of 10 kW/kg at energy density of 28.5 Wh/kg in an aqueous electrolyte solution has been obtained. Meanwhile, the supercapacitor devices exhibit excellent long cycle life along with ¡«90

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