Solid electrolyte glass for lithium or sodium ions conduction

Abstract

Glassy electrolyte for lithium or sodium ions conduction The present disclosure relates to the development and improvement of sodium or lithium-ion electrochemical devices, in particular to the development of a new glassy electrolyte comprising high ionic conductivity for batteries, capacitors, and other electrochemical devices comprising a solid electrolyte glass comprising the formula R3-2xMxHalO wherein R is selected from the group consisting of lithium or sodium: M is selected from the group consisting of magnesium, calcium, strontium or barium; Hal is selected from the group consisting of flourine, chlorine, bromine, iodine or mixtures thereof; X is the number of moles of M and 0≤x≤0.01 and the solid electrolyte glass has a glass transition point.

1 . A solid electrolyte glass comprising compound of formula R 3-2x M x HalO wherein
 R is selected from the group consisting of lithium or sodium;   M is selected from the group consisting of magnesium, calcium, strontium or barium;   Hal is selected from the group consisting of fluorine, chlorine, bromine, iodine or mixtures thereof;   X is the number of moles of M and 0≤x≤0.01; and   wherein the solid electrolyte glass has a glassy phase.   
     
     
         2 . The electrolyte glass according to  claim 1  wherein R is lithium. 
     
     
         3 . The electrolyte glass according to  claim 1  wherein R is sodium. 
     
     
         4 . The electrolyte glass according to  claim 1 , comprising an ionic conductivity of at least 13 mScm −1  at 25° C. 
     
     
         5 . (canceled) 
     
     
         6 . (canceled) 
     
     
         7 . The electrolyte glass according to  claim 1 , comprising an ionic conductivity of at least 17 mScm −1  at 25° C. 
     
     
         8 . (canceled) 
     
     
         9 . (canceled) 
     
     
         10 . The electrolyte glass according to  claim 1 , wherein X is 0.002, 0.005; 0.007 or 0.01. 
     
     
         11 . The electrolyte glass according to  claim 1 , wherein Hal is a mixture of chlorine and iodine. 
     
     
         12 . The electrolyte glass according to  claim 1 , wherein Hal is Hal=0.5Cl+0.51. 
     
     
         13 . (canceled) 
     
     
         14 . The electrolyte glass according to  claim 1 , wherein R is lithium, M is barium, Hal is chlorine and x is 0.005. 
     
     
         15 . (canceled) 
     
     
         16 . (canceled) 
     
     
         17 . An electrolyte composition comprising a compound of formula Na 3-2x M x HalO wherein
 M is selected from the group consisting of magnesium, calcium, strontium or barium;   Hal is selected from the group consisting of fluorine, chlorine, bromine, iodine or mixtures thereof;   X is the number of moles of M and 0<x≤0.01.   
     
     
         18 . The composition according to  claim 17 , wherein M is barium, Hal is chlorine and x is 0.005. 
     
     
         19 . An electrochemical device comprising the electrolyte glass according to  claim 1  or the electrolyte composition according to  claim 17 . 
     
     
         20 . A capacitor comprising the electrolyte glass according to  claim 1  or the electrolyte composition according to  claim 17 . 
     
     
         21 . A battery comprising the electrolyte glass according to  claim 1  or the electrolyte composition according to  claim 17 . 
     
     
         22 . An electrochemical device comprising at least one capacitor according to  claim 20 . 
     
     
         23 . (canceled) 
     
     
         24 . (canceled) 
     
     
         25 . (canceled) 
     
     
         26 . (canceled) 
     
     
         27 . (canceled) 
     
     
         28 . (canceled) 
     
     
         29 . An ionic conductivity and/or an electrochemical window of stability enhancer for a material mixture comprising the electrolyte glass according to  claim 1  or the electrolyte composition according to  claim 17 .