High-performance self-charging energy storage device combines supercapacitors with solar cells to deliver high energy in real time

https://www.eurekalert.org/news-releases/1069240

"dramatically improves energy (35.5 Wh kg⁻¹)/ power (2555.6 W kg⁻¹), densities, charge/ discharge stability of existing supercapacitors, utilizing electrodes using nickel-based carbonate/ hydroxide composite, and maximizing conductivity/ stability by adding transition metal ions such as Mn, Co, Cu, Fe, Zn... minimal degradation during repeated charge/ discharge... energy storage (63%)/ overall (5.17%) efficiencies... effectively validates potential for commercialization"

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