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Focused Ion Beam Fabrication of LiPON-based Solid-state Lithium-ion Nanobatteries for In Situ Testing
Published on: March 7, 2018
Stable lithium metal anode enabled by in situ formation of a Li3N/Li-Bi alloy hybrid layer
Yang Yang1, Liufeng Ai1, Juhong He1
1Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies, College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, People's Republic of China. chenduo@nuaa.edu.cn.
Abstract:
A hybrid protective layer containing a Li3N and Li-Bi alloy is fabricated on a Li-metal anode as an artificial SEI layer to guide dendrite-free Li deposition. Noteworthily, the hybrid interface could not only facilitate homogeneous Li plating but also provide rapid Li+ transportation, enabling a long-term stability of ∼2400 h at 0.5 mA cm-2 with a low steady overpotential of 10 mV.
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