Abstract
Abstract Charge–discharge properties of a new type of all solid-state lithium cell are presented, which comprises a conductive nano-sulfur composite (NSC) cathode, composite polymer electrolyte based on poly(ethylene oxide), LiN(CF 3 SO 2 ) 2 and nano-sized TiO 2 filler and lithium anode. The cell exhibits high discharge capacity up to 600 mAh g −1 (referred to the NSC active material, EO/Li=8 for polymer electrolyte) at the second cycle and about 385 mAh g −1 at the 40th cycle at operation temperature of 70 °C. The electrochemical characteristics of the nano-composite polymer electrolyte, related to the performance of cells, are also examined in detail.
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