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Asymmetric Thermoelectrochemical Cell for Harvesting Low-grade Heat under Isothermal Operation
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JoVE Journal Chemistry
Asymmetric Thermoelectrochemical Cell for Harvesting Low-grade Heat under Isothermal Operation

Asymmetric Thermoelectrochemical Cell for Harvesting Low-grade Heat under Isothermal Operation

DOI:
10.3791/60768-v

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09:09 min

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February 05, 2020

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, , , ,
1Electrochemical Nanoengineering Group, Department of Mechanical Engineering,University of Hong Kong

Chapters

  • 00:05Introduction
  • 01:07Synthesis of Graphene Oxide
  • 03:11Preparation of the Graphene Oxide Electrode
  • 04:03Preparation of the Polyaniline (PANI) Electrode
  • 05:07Assembling the Asymmetric Thermoelectrochemical Cell
  • 06:14Electrochemical Characterization
  • 06:53Results: Charging and Discharging the Asymmetric Thermoelectrochemical Cell
  • 08:15Conclusion

Summary

Automatic Translation

Automatic Translation

Low-grade heat is abundant, but its efficient recovery is still a great challenge. We report an asymmetric thermoelectrochemical cell using graphene oxide as a cathode and polyaniline as an anode with KCl as the electrolyte. This cell works under isothermal heating, exhibiting a high heat-to-electricity conversion efficiency in low-temperature regions.

Tags

Asymmetric Thermoelectrochemical CellLow-grade Heat RecoveryIsothermal OperationHigh-energy EfficiencyOxygen-functional GroupsElectrode QualityGraphene Oxide SynthesisGraphite OxidationFreeze-drying

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