Rechargeable lithium batteries, using sulfur-based cathode materials and Li2S–P2S5 glass-ceramic electrolytes

All-solid-state cells, using sulfur-based cathode materials and Li2S-P2S5 glass-ceramic electrolytes exhibited excellent cycling performance at room temperature. The cathode materials consisting of sulfur and CuS were synthesized by mechanical milling, using a mixture of sulfur and copper crystals w...

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Bibliographic Details
Published in:Electrochimica acta 2004-11, Vol.50 (2-3), p.893-897
Main Authors: Hayashi, Akitoshi, Ohtomo, Takamasa, Mizuno, Fuminori, Tadanaga, Kiyoharu, Tatsumisago, Masahiro
Format: Article
Language:English
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Summary:All-solid-state cells, using sulfur-based cathode materials and Li2S-P2S5 glass-ceramic electrolytes exhibited excellent cycling performance at room temperature. The cathode materials consisting of sulfur and CuS were synthesized by mechanical milling, using a mixture of sulfur and copper crystals with several different molar ratios. The cell performance was influenced by the composition of S/Cu for the cathode materials and the cell with the cathode material of S/Cu = 3 prepared by milling for 15 min retained large discharge capacities over 650 mA h g-1 for 20 cycles. Sulfur as well as CuS in the cathode materials proved to be utilized as active materials on charge-discharge processes in the all-solid-state batteries.
ISSN:0013-4686
DOI:10.1016/j.electacta.2004.02.061