Superior Performance of a Li-O2 Battery with Metallic RuO2 Hollow Spheres as the Carbon-Free Cathode

Fujun Li; Dai Ming Tang; Tao Zhang; Kaiming Liao; Ping He; Dmitri Golberg; Atsuo Yamada; Haoshen Zhou

doi:10.1002/aenm.201500294

Superior Performance of a Li-O₂ Battery with Metallic RuO₂ Hollow Spheres as the Carbon-Free Cathode

Fujun Li, Dai Ming Tang, Tao Zhang, Kaiming Liao, Ping He, Dmitri Golberg, Atsuo Yamada, Haoshen Zhou

Research output: Contribution to journal › Article › peer-review

148 Scopus citations

Abstract

Hierarchically porous, metallic RuO₂ hollow spheres are applied as a carbon-free cathode for Li-O₂ batteries for the first time. They exhibit low charge potentials of ≈3.5 V, corresponding to overpotentials of 0.13/0.54 V in discharging and charging processes, a large reversible capacity of ≈1400 mAh g^-1, and 100 cycles of full discharge and charge.

Original language	English
Journal	Advanced Energy Materials
Volume	5
Issue number	13
DOIs	https://doi.org/10.1002/aenm.201500294
State	Published - 1 Jul 2015
Externally published	Yes

Keywords

Li-O batteries
RuO hollow spheres
carbon-free cathodes
full discharge-charge
overpotential

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1002/aenm.201500294

Cite this

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title = "Superior Performance of a Li-O2 Battery with Metallic RuO2 Hollow Spheres as the Carbon-Free Cathode",

abstract = "Hierarchically porous, metallic RuO2 hollow spheres are applied as a carbon-free cathode for Li-O2 batteries for the first time. They exhibit low charge potentials of ≈3.5 V, corresponding to overpotentials of 0.13/0.54 V in discharging and charging processes, a large reversible capacity of ≈1400 mAh g-1, and 100 cycles of full discharge and charge.",

keywords = "Li-O batteries, RuO hollow spheres, carbon-free cathodes, full discharge-charge, overpotential",

author = "Fujun Li and Tang, {Dai Ming} and Tao Zhang and Kaiming Liao and Ping He and Dmitri Golberg and Atsuo Yamada and Haoshen Zhou",

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AU - Li, Fujun

AU - Tang, Dai Ming

AU - Zhang, Tao

AU - Liao, Kaiming

AU - He, Ping

AU - Golberg, Dmitri

AU - Yamada, Atsuo

AU - Zhou, Haoshen

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AB - Hierarchically porous, metallic RuO2 hollow spheres are applied as a carbon-free cathode for Li-O2 batteries for the first time. They exhibit low charge potentials of ≈3.5 V, corresponding to overpotentials of 0.13/0.54 V in discharging and charging processes, a large reversible capacity of ≈1400 mAh g-1, and 100 cycles of full discharge and charge.

KW - Li-O batteries

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KW - carbon-free cathodes

KW - full discharge-charge

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