Journal
NANO LETTERS
Volume 14, Issue 8, Pages 4837-4845Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl502078m
Keywords
Biotemplation; Li-oxygen battery; M13 virus; nanowire synthesis; cobalt manganese oxides; composite structure
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Funding
- U.S. Army Research Office through the Institute of Collaborative Biotechnologies (ICB) [W911NF-09-D-0001]
- U.S. National Science Foundation through the Materials Research Science and Engineering Centers program [DMR-0819762]
- National Defense Science and Engineering Graduate Fellowship (NDSEG)
- National Science Foundation Graduate Research Fellowship Program
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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-O-2 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-O-2 batteries. This biomolecular directed synthesis method is expected to provide a selection platform for future energy storage electrocatalysts.
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