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High efficiency energy storage devices created by printing with Manganese Dioxide (MnO2) Ink


Aqueous Manganese Dioxide Ink for Flexible Energy Storage Devices

MnO2 has always been regarded as an ideal material for the electrodes of energy storage devices. The PolyU research team has developed a novel approach to synthesize aqueous MnO2 ink to coat various substrates, e.g. conductive paper, plastic and glass, for the production of light, thin, transparent and flexible energy storage devices. The MnO2 ink coating on the substrates can be easily erased if required, facilitating the fabrication of electronic devices.

The capacity of the MnO2 ink capacitor is over 30 times higher than that of a commercial capacitor made of active materials of the same weight (e.g. carbon powder), demonstrating the great potential of MnO2 ink in significantly enhancing the performance of energy storage devices.

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