Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 105, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2019.106494
Keywords
Solid-state-battery; Aerosol deposition; Li plating-striping reaction
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Funding
- KRI
- JST ALCA-SPRING
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Lithium metal is a potential anode material to develop all-solid-state battery (SSB) with high energy density. However, Li metal easily reacts with atmospheric component (H2O, CO2, O-2, N-2) and then Li metal must be treated sensitively for industrial applications. Here, we report an inverted-stack Li-free thin-film SSB, SUS/Pt/LiPON/LiCoO2/Au, where highly-crystalline LiCoO2 thin film is formed on amorphous LiPON thin film at room temperature by aerosol deposition and Li metal is electrochemically grown between SUS/Pt and LiPON. The resultant Li-free thin-film SSB operates at 4 V and repeats stable charge-discharge reactions for over 100 cycles at 25 degrees C.
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