Toward High‐Performance All‐Solid‐State Thin Film FeOxSy/LiPON/Li Microbatteries via Dual‐Interface Modification
Yan He,
Qiuying Xia,
Wei Liu
et al.
Abstract:Featuring high theoretical capacity, low cost, and low preparation temperature, Li‐free cathodes are considered promising for all‐solid‐state thin‐film lithium microbatteries (TFBs). In this work, a Li‐free cathode of amorphous FeOxSy film is prepared, followed by the fabrication and investigation of FeOxSy/LiPON/Li TFBs. It is found that the structural degradation at both the LiPON/Li and FeOxSy/LiPON interfaces results in a rapid capacity loss for the TFB during electrochemical cycling. To achieve both high … Show more
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