All-carbon-nanofiber electrodes for high-energy rechargeable Li–O2 batteries

@article{Mitchell2011AllcarbonnanofiberEF,
  title={All-carbon-nanofiber electrodes for high-energy rechargeable Li–O2 batteries},
  author={R. Mitchell and Betar M. Gallant and C. Thompson and Y. Shao-Horn},
  journal={Energy and Environmental Science},
  year={2011},
  volume={4},
  pages={2952-2958}
}
Hollow carbon fibers with diameters on the order of 30 nm were grown on a ceramic porous substrate, which was used as the oxygen electrode in lithium-oxygen (Li–O2) batteries. These all-carbon-fiber (binder-free) electrodes were found to yield high gravimetric energies (up to 2500 W h kgdischarged−1) in Li–O2cells, translating to an energy enhancement ∼4 times greater than the state-of-the-art lithium intercalation compounds such as LiCoO2 (∼600 W h kgelectrode−1). The high gravimetric energy… Expand
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