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Nano Lett. 2014 Aug 13;14(8):4837-45. doi: 10.1021/nl502078m. Epub 2014 Jul 28.

M13 virus-directed synthesis of nanostructured metal oxides for lithium-oxygen batteries.

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Department of Materials Science and Engineering, ‡The David H. Koch Institute for Integrative Cancer Research, §Electrochemical Energy Laboratory, ∥Department of Biological Engineering, ⊥Center for Materials Science and Engineering, and #Department of Mechanical Engineering, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States.


Transition metal oxides are promising electrocatalysts for both water oxidations and metal-air batteries. Here, we report the virus-mediated synthesis of cobalt manganese oxide nanowires (NWs) to fabricate high capacity Li-O2 battery electrodes. Furthermore, we hybridized Ni nanoparticles (NPs) on bio Co3O4 NWs to improve the round trip efficiency as well as the cycle life of Li-O2 batteries. This biomolecular directed synthesis method is expected to provide a selection platform for future energy storage electrocatalysts.

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