Method for producing sulfide glass or sulfide glass ceramic capable of conducing lithium ion, and whole solid type cell using said glass ceramic
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United States of America Patent
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Issued Date -
May 19, 2005
app pub date -
Jan 10, 2005
filing date -
Jan 15, 2002
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Abandoned
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Abstract
The present invention relates to a process for producing sulfide glass or sulfide glass ceramic each capable of conducting a lithium ion, comprising subjecting metallic lithium, sulfur as a simple substance and phosphorus as a simple substance as starting raw materials, which constitute the sulfide glass and sulfide glass ceramic, to mechanical milling to thereby convert them into sulfide glass or sulfide glass ceramic; and a whole solid type cell using the above-mentioned sulfide glass ceramic as a solid electrolyte. According to the present invention, it is made possible to produce sulfide glass and sulfide glass ceramic which are each capable of conducting a lithium ion and which have high electroconductivity at room temperature by a simple and advantageous process from starting raw materials being easily available and inexpensive.
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