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dc.contributor.author Hyun, Suyeon -
dc.contributor.author Shanmugam, Sangaraju -
dc.date.available 2017-07-25T06:13:14Z -
dc.date.created 2017-07-25 -
dc.date.issued 2017-06-30 -
dc.identifier.issn 0378-7753 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/4041 -
dc.description.abstract A bifunctional air cathode for the electrochemical oxygen reduction and evolution in a Li-O2 battery comprising Co-CoO nanoparticles embedded in the nitrogen-doped carbon nanorods (Co-CoO/N-CNR) is presented. The nanorod morphology with mesoporous nanostructures can handle continuous formation and decomposition of Li2O2 and favors the transport of electrons and ions, therefore improves the rate capability and cycle stability. Moreover, the hierarchical mesoporous Co-CoO/N-CNR reduces the overall overpotential over the cycle and decreases the side reaction between Li2O2 and carbon surface, leading to a significant enhancement of the specific capacity and cycling capability. With the cooperative effect of Co-CoO/N-CNR and porous nature, Co-CoO/N-CNR cathode delivers a high discharge specific capacity of 10,555?mAh?g?1 at 100?mA?g?1 and long cycle stability for over 86 cycles without any capacity loss at a high cutoff capacity of 1000?mAh?g?1. Furthermore, excellent performance of 7514?mAh?g?1 at 500?mA?g?1 is achieved. ? 2017 Elsevier B.V. -
dc.publisher Elsevier B.V. -
dc.title Mesoporous Co-CoO/N-CNR nanostructures as high-performance air cathode for lithium-oxygen batteries -
dc.type Article -
dc.identifier.doi 10.1016/j.jpowsour.2017.04.029 -
dc.identifier.scopusid 2-s2.0-85017334818 -
dc.identifier.bibliographicCitation Journal of Power Sources, v.354, pp.48 - 56 -
dc.subject.keywordAuthor Li-O-2 batteries -
dc.subject.keywordAuthor Composite materials -
dc.subject.keywordAuthor Air cathode -
dc.subject.keywordAuthor Carbon nanorods -
dc.subject.keywordAuthor Oxygen electrode -
dc.subject.keywordPlus Air Cathode -
dc.subject.keywordPlus Carbon Nanorods -
dc.subject.keywordPlus Composite Materials -
dc.subject.keywordPlus Li-O2 Batteries -
dc.subject.keywordPlus Oxygen Electrode -
dc.citation.endPage 56 -
dc.citation.startPage 48 -
dc.citation.title Journal of Power Sources -
dc.citation.volume 354 -
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Department of Energy Science and Engineering Advanced Energy Materials Laboratory 1. Journal Articles

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