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Related Experiment Video

Updated: Jun 1, 2026

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions
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Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions

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Solution-processed graphene/MnO2 nanostructured textiles for high-performance electrochemical capacitors.

Guihua Yu1, Liangbing Hu, Michael Vosgueritchian

  • 1Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States.

Nano Letters
|June 15, 2011
PubMed
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Researchers developed low-cost energy textiles using graphene and manganese dioxide for large-scale energy storage. These materials offer high capacitance and long cycle life, crucial for renewable energy integration.

Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Large-scale energy storage is vital for integrating renewable energy sources.
  • Developing cost-effective, high-performance, and environmentally friendly materials remains a challenge for grid-scale applications.

Purpose of the Study:

  • To demonstrate a novel energy storage textile using solution-processed graphene and manganese dioxide.
  • To evaluate the performance of these hybrid materials in electrochemical capacitors.

Main Methods:

  • Solution exfoliation of graphene nanosheets and coating onto porous textile supports.
  • Electrodeposition of manganese dioxide nanomaterials onto graphene-textile structures.
  • Fabrication and testing of asymmetric electrochemical capacitors using hybrid textiles.

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Last Updated: Jun 1, 2026

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions
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Main Results:

  • Achieved high specific capacitance up to 315 F/g with the graphene/MnO(2) textile.
  • Demonstrated asymmetric capacitors with a maximum power density of 110 kW/kg and energy density of 12.5 Wh/kg.
  • Exhibited excellent cycling stability with ~95% capacitance retention over 5000 cycles.

Conclusions:

  • Solution-processed graphene/MnO(2) hierarchical nanostructures on textiles offer a promising pathway for low-cost, high-performance large-scale energy storage.
  • These energy textiles are compatible with scalable processing and exhibit desirable electrochemical properties.