Glass particles

Abstract

Glass particles including Li, P and S, wherein when a Raman spectrum of the glass particles is measured five times or more and a peak at 330 to 450 cm −1 in the Raman spectrum is separated into peaks of components by waveform separation, the standard deviation of the area ratio of each of the peaks of the components is 3.0 or less, the area of the peak of PS 4 3− component obtained by the waveform separation is 10 to 95% of the total area, and the area of P 2 S 7 4− component obtained by the waveform separation is 5 to 45% of the total area, and the area of the peak of PS 4 3− component is larger than the area of the peak of P 2 S 7 4− component.

1 : A method for producing an ionic conductive substance, comprising:
 (i) contacting at least one compound selected from the group consisting of phosphor sulfide, germanium sulfide, silicon sulfide and boron sulfide with an alkali metal sulfide compound or an alkaline earth metal sulfide in a solvent with stirring; and   (ii) circulating a product produced in the contacting (i) between a pulverizer pulverizing the product in a solvent and a temperature-retaining tank, with stirring of the product in the solvent.   
     
     
         2 : The method according to  claim 1 , wherein the alkali metal sulfide compound or the alkaline earth metal sulfide is lithium sulfide. 
     
     
         3 : The method according to  claim 1 , wherein the compound is phosphor sulfide. 
     
     
         4 : The method according to  claim 1 , wherein the solvent in the (i) contacting is an organic solvent. 
     
     
         5 : The method according to  claim 1 , wherein the solvent in the (i) contacting comprises a toluene. 
     
     
         6 : The method according to  claim 1 , wherein
 the compound is phosphor sulfide,   the alkali metal sulfide compound or the alkaline earth metal sulfide is lithium sulfide, and   an amount ratio is 60:40<Li:P≦85:15 in molar ratio.   
     
     
         7 : The method according to  claim 1 , wherein
 the alkali metal sulfide compound or the alkaline earth metal sulfide is lithium sulfide, and   the compound is phosphor sulfide.   
     
     
         8 : The method according to  claim 1 , wherein
 the solvent in the (i) contacting is an organic solvent,   the compound is phosphor sulfide,   the alkali metal sulfide compound or the alkaline earth metal sulfide is lithium sulfide, and   the amount ratio becomes 60:40<Li:P≦85:15 in molar ratio.   
     
     
         9 : The method according to  claim 1 , wherein
 the solvent in the (i) contacting comprises a toluene,   the compound is phosphor sulfide,   the alkali metal sulfide compound or the alkaline earth metal sulfide is lithium sulfide, and   the amount ratio is 60:40<Li:P≦85:15 in molar ratio.   
     
     
         10 : The method according to  claim 1 , wherein
 the contact temperature in the (i) contacting is from 50 to 210° C.   
     
     
         11 : The method according to  claim 1 , wherein
 the contact temperature in the (i) contacting is from 50 to 210° C., and   the stirring temperature in the temperature-retaining tank of the (ii) circulating is from 50 to 210° C.   
     
     
         12 : The method according to  claim 1 , wherein the solvent in the (i) contacting is the same as the solvent in the (ii) circulating. 
     
     
         13 : The method according to  claim 7 , wherein the contact temperature in the (i) contacting is from 50 to 210° C. 
     
     
         14 : The method according to  claim 7 , wherein the solvent in the (i) contacting is the same as the solvent in the (ii) circulating. 
     
     
         15 : The method according to  claim 4 , wherein the solvent in the (i) contacting is the same as the solvent in the (ii) circulating. 
     
     
         16 : The method according to  claim 5 , wherein the solvent in the (i) contacting is the same as the solvent in the (ii) circulating. 
     
     
         17 : The method according to  claim 4 , wherein the contact temperature in the (i) contacting is from 50 to 210° C. 
     
     
         18 : The method according to  claim 8 , wherein the contact temperature in the (i) contacting is from 50 to 210° C.