A solid electrolyte including as constituent components, lithium, phosphorous and sulfur; wherein, in the 31P-NMR, the solid electrolyte has a peak (first peak) in a region of 81.0 ppm or more and 88.0 ppm or less, the solid electrolyte does not have a peak in regions other than the region of 81.0 p
A solid electrolyte including as constituent components, lithium, phosphorous and sulfur; wherein, in the 31P-NMR, the solid electrolyte has a peak (first peak) in a region of 81.0 ppm or more and 88.0 ppm or less, the solid electrolyte does not have a peak in regions other than the region of 81.0 ppm or more and 88.0 ppm or less, or even if it has a peak in other regions than the region of 81.0 ppm or more and 88.0 ppm or less, the peak intensity thereof relative to the first peak is 0.5 or less, and the solid electrolyte has an ionic conductivity of 5×10−4 S/cm or more.
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1. A solid electrolyte comprising, as constituent components, lithium, phosphorous and sulfur; wherein,in the 31P-NMR,the solid electrolyte has a peak (first peak) in a region of 81.0 ppm or more and 88.0 ppm or less,the solid electrolyte does not have a peak in regions other than the region of 81.0
1. A solid electrolyte comprising, as constituent components, lithium, phosphorous and sulfur; wherein,in the 31P-NMR,the solid electrolyte has a peak (first peak) in a region of 81.0 ppm or more and 88.0 ppm or less,the solid electrolyte does not have a peak in regions other than the region of 81.0 ppm or more and 88.0 ppm or less,or even if it has a peak in other regions than the region of 81.0 ppm or more and 88.0 ppm or less, a peak intensity thereof relative to the first peak is 0.5 or less, and the solid electrolyte has an ionic conductivity of 5×10−4 S/cm or more. 2. A solid electrolyte comprising, as constituent components, lithium or sodium; phosphorous; and sulfur: wherein the solid electrolyte has an ionic conductivity of 5×10−4 S/cm or more, andwhen air having a humidity of 80 to 90% is passed through a 100 ml-container filled with 0.1 g of the solid electrolyte at a rate of 500 ml/min for 60 minutes, an average of a hydrogen sulfide concentration in the air is 200 ppm or less. 3. The solid electrolyte according to claim 2, wherein the solid electrolyte is obtained by: elevating a temperature of glass comprising, as constituent components: lithium or sodium; phosphorous; and sulfur, at an average temperature elevation rate of 20° C./min or more; andheating at a temperature for a time period of from 0.005 minute to 10 hours, wherein the temperature is equal to or higher than a glass transition temperature of the glass and that is equal to or lower than a crystallization temperature of the glass plus 120° C. 4. The solid electrolyte according to claim 1, wherein, when air having a humidity of 80 to 90% is passed through a 100 ml-container filled with 0.1 g of the solid electrolyte at a rate of 500 ml/min for 60 minutes, an average of a hydrogen sulfide concentration in the air is 200 ppm or less. 5. The solid electrolyte according claim 1, further comprising a halogen as a constituent component. 6. An electrolyte layer comprising the solid electrolyte according to claim 1. 7. An electrolyte layer that is produced by employing the solid electrolyte according to claim 1. 8. An electrode comprising the solid electrolyte according to claim 1. 9. An electrode that is produced by employing the solid electrolyte according to claim 1. 10. A battery comprising the electrolyte layer according to claim 6. 11. A battery comprising a positive electrode layer, an electrolyte layer, and a negative electrode layer, wherein at least one of the positive electrode layer, the electrolyte layer and the negative electrode layer is produced by employing the solid electrolyte according to claim 1. 12. A method for producing a solid electrolyte comprising: elevating a temperature of glass comprising: lithium or sodium; phosphorous; and sulfur at an average temperature elevation rate of 20° C./min or more; andheating the glass at a temperature for a time period of 0.005 minute to 10 hours, wherein the temperature is equal to or higher than a glass transition temperature of the glass and that is equal to or lower than a crystallization temperature of the glass plus 120° C. 13. The method for according to claim 12, whereinin the 31P-NMR,the solid electrolyte has a peak (first peak) in a region of 81.0 ppm or more and 88.0 ppm or less,the solid electrolyte does not have a peak in regions other than the region of 81.0 ppm or more and 88.0 ppm or less,or even if it has a peak in regions other than the region of 81.0 ppm or more and 88.0 ppm or less, a peak intensity thereof relative to the first peak is 0.5 or less, andthe solid electrolyte has an ionic conductivity of 5×10−4 S/cm or more. 14. The method according to claim 12, wherein the solid electrolyte has an ionic conductivity of 5×10−4 S/cm or more, and when air having a humidity of 80 to 90% is passed through a 100 ml-container filled with 0.1 g of the solid electrolyte at a rate of 500 ml/min for 60 minutes, an average of a hydrogen sulfide concentration in the air is 200 ppm or less. 15. The method according to claim 12, wherein the glass is heated together with a compound comprising a halogen element. 16. A battery, comprising the electrode according to claim 8. 17. The method according to claim 12, wherein the time period for heating is 0.01 minute or longer and 3 hours or shorter. 18. The method according to claim 12, wherein the average temperature elevation rate is 50° C./min or more. 19. The method according to claim 12, wherein the raw material of the glass comprises at least lithium sulfide and phosphorous pentasulfide. 20. The method according to claim 12, wherein the time period for heating is 0.01 minute or longer and 3 hours or shorter, the average temperature elevation rate is 50° C./min or more, and the raw material of the glass comprises at least lithium sulfide and phosphorous pentasulfide.
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