ELECTROLYTE AND MANUFACTURING METHOD OF GREEN AMMONIA FROM Li-MEDIATRED NITROGEN REDUCTION USING THE SAME

Abstract

The present disclosure provides an electrolyte including a lithium compound, a proton donor, and a sulfur compound.

1 . An electrolyte, comprising:
 a lithium compound, a proton donor, and a sulfur compound.   
     
     
         2 . The electrolyte of  claim 1 , wherein:
 the sulfur compound is included in an amount of 0.005 to 0.5 vol % with respect to a total volume of the electrolyte.   
     
     
         3 . The electrolyte of  claim 2 , wherein:
 the sulfur compound is included in an amount of 0.03 to 0.05 vol % with respect to the total volume of the electrolyte.   
     
     
         4 . The electrolyte of  claim 1 , wherein:
 the proton donor is included in an amount of 0.05 to 5 vol % with respect to the total volume of the electrolyte.   
     
     
         5 . The electrolyte of  claim 1 , wherein:
 the lithium compound includes at least one selected from the group consisting of LiClO 4 , LiBF 4 , and LiTFSI.   
     
     
         6 . The electrolyte of  claim 1 , wherein:
 the sulfur compound includes (CH 3 ) 2 S.   
     
     
         7 . The electrolyte of  claim 1 , wherein:
 the electrolyte is for manufacturing ammonia.   
     
     
         8 . A manufacturing method of ammonia, comprising:
 filling an electrolyte including a lithium compound, a proton donor, and a sulfur compound into a reactor, and positioning a working electrode and a counter electrode to contact the electrolyte;   applying a current to the working electrode and the counter electrode to form a lithium layer and a solid electrolyte interface (SEI) layer on one surface of the working electrode;   forming lithium nitride on the lithium layer by reacting with nitrogen supplied into the reactor; and   obtaining ammonia by reacting the lithium nitride with the proton donor.   
     
     
         9 . The manufacturing method of  claim 8 , wherein:
 the sulfur compound is included in an amount of 0.005 to 0.5 vol % with respect to a total volume of the electrolyte.   
     
     
         10 . The manufacturing method of  claim 9 , wherein:
 the sulfur compound is included in an amount of 0.03 to 0.05 vol % with respect to a total volume of the electrolyte.   
     
     
         11 . The manufacturing method of  claim 8 , wherein:
 the SEI layer includes lithium and sulfur.   
     
     
         12 . The manufacturing method of  claim 8 , wherein:
 the SEI layer includes at least one selected from the group consisting of LiSO x  and Li 2 S.   
     
     
         13 . The manufacturing method of  claim 12 , wherein:
 the SEI layer further includes at least one selected from the group consisting of Li 2 O and Li 2 CO 3 .   
     
     
         14 . The manufacturing method of  claim 8 , wherein:
 the lithium compound includes at least one selected from the group consisting of LiClO 4 , LiBF 4 , and LiTFSI.   
     
     
         15 . The manufacturing method of  claim 8 , wherein:
 the sulfur compound includes (CH 3 ) 2 S.   
     
     
         16 . The manufacturing method of  claim 8 , wherein:
 the SEI layer has a porous or mesh shape.   
     
     
         17 . The manufacturing method of  claim 16 , wherein:
 the SEI layer includes a pore having an average diameter of 0.5 to 5 μm.