3 years ago

Carbon-Free O2 Cathode with Three-Dimensional Ultralight Nickel Foam-Supported Ruthenium Electrocatalysts for Li–O2 Batteries

Carbon-Free O2 Cathode with Three-Dimensional Ultralight Nickel Foam-Supported Ruthenium Electrocatalysts for Li–O2 Batteries
Ziqiang Liu, Ping He, Zihan Shen, Haoshen Zhou, Fujun Li, Ningning Feng, Huigang Zhang
A new carbon- and binder-free O2 cathode was fabricated by electroplating Ru-nanoparticle-coated ultralight Ni foam, which has good electron-conducting and electrocatalytic properties. This all-metal monolithic structure was able to suppress CO2 evolution and provided 306 times higher capacity than commercial Ni foam-based O2 cathodes. That′s so metal: A new carbon- and binder-free O2 cathode is fabricated by electroplating Ru-nanoparticle-coated ultralight Ni foam, which has good electron-conducting and electrocatalytic properties. This all-metal monolithic structure suppresses CO2 evolution and provides 306 times higher capacity than commercial Ni foam-based O2 cathodes.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/cssc.201700567

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