New Application of Waste Citrus Maxima Peel-Derived Carbon as an Oxygen Electrode Material for Lithium Oxygen Batteries

Lithium oxygen battery has become a promising candidate to satisfy the current large-energy-storage devices demand because of its amazing theoretical energy density

Danrong Li; Qingzhen Wang; Ying Yao; Feng Wu; Yajuan Yu; Cunzhong Zhang

2018

Scholarcy highlights

  • Lithium oxygen battery has become a promising candidate to satisfy the current large-energy-storage devices demand because of its amazing theoretical energy density
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  • Citrus maxima peel was used as a precursor to prepare activated and Fe-loading carbon via pyrolysis in nitrogen atmosphere at 900 °C, in which KOH was added as an activator
  • CMPACs-Fe-based O2 electrode delivers even lower overpotential in both charge and discharge processes. We conclude that these excellent electrochemical performances of CMPACs and CMPACs-Fe-based O2 electrode benefit from their cellular porous structure, plenty of active sites, and large specific surface area, which suggest that these biomass-derived porous carbons might become promising candidates to achieve efficient lithium oxygen battery
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