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A significant enhancement in the areal capacitance of a Co(OH)2 supercapacitor charged and discharged under light illumination is clearly observed, with the capacitance about two-fold higher than that operated under… Click to show full abstract
A significant enhancement in the areal capacitance of a Co(OH)2 supercapacitor charged and discharged under light illumination is clearly observed, with the capacitance about two-fold higher than that operated under dark conditions. This is because Co(OH)2 has an energy band gap of 2.85 eV and can absorb blue light and generate photoelectrons via the photovoltaic effect, leading to high current density.
Keywords:
new concept;
photovoltaic effect;
effect;
concept charging;
charging supercapacitors;
supercapacitors based
Journal Title: Chemical communications
Year Published: 2017
Link to full text (if available)
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Journal Title: Chemical communications
Year Published: 2017
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!