Anode for all solid-state secondary battery, all solid-state secondary battery including the anode, and method of manufacturing the anode

Abstract

An anode for an all solid-state secondary battery, the anode including an anode collector, and coating lithium distribution layer disposed on the anode collector, wherein the lithium distribution layer includes a metal capable of forming an alloy with lithium.

What is claimed is: 
     
         1 . An anode for an all solid-state secondary battery, the anode comprising:
 an anode collector; and   a lithium distribution layer disposed on the anode collector, wherein the lithium distribution layer comprises a metal capable of forming an alloy with lithium.   
     
     
         2 . The anode of  claim 1 , wherein the lithium distribution layer comprises zinc, germanium, tin, antimony, platinum, gold, bismuth, an alloy thereof, or a combination thereof. 
     
     
         3 . The anode of  claim 1 , wherein the anode collector comprises a conductive material and has a planar structure. 
     
     
         4 . The anode of  claim 1 , wherein the lithium distribution layer has a thickness in a range of from about 1 nanometer to less than about 100 nanometers. 
     
     
         5 . An all solid-state secondary battery comprising:
 a cathode layer;   a solid electrolyte layer on the cathode layer; and   an anode layer on the solid electrolyte layer, the anode layer comprising
 an anode collector, and 
 a lithium distribution layer disposed on the anode collector, wherein the lithium distribution layer comprises a metal capable of forming an alloy with lithium. 
   
     
     
         6 . The all solid-state secondary battery of  claim 5 , wherein the lithium distribution layer comprises zinc, germanium, tin, antimony, platinum, gold, bismuth, an alloy thereof, or a combination thereof. 
     
     
         7 . The all solid-state secondary battery of  claim 6 , wherein the lithium distribution layer is disposed between the solid electrolyte layer and the anode collector. 
     
     
         8 . The all solid-state secondary battery of  claim 7 , wherein the lithium distribution layer has a thickness in a range of from about 1 nanometer to less than about 100 nanometers. 
     
     
         9 . The all solid-state secondary battery of  claim 5 , wherein when the all solid-state secondary battery is charged, lithium metal is precipitated on a surface of the lithium distribution layer facing the solid electrolyte layer. 
     
     
         10 . The all solid-state secondary battery of  claim 5 , wherein the anode collector comprises a conductive material and has a planar structure. 
     
     
         11 . A method of manufacturing an anode for an all solid-state secondary battery, the method comprising:
 providing an anode collector; and   disposing a metal capable of reacting with lithium ions on a surface of the anode collector to form a lithium distribution layer on the surface of an anode collector to form the anode.   
     
     
         12 . The method of  claim 11 , wherein the lithium distribution layer comprises zinc, germanium, tin, antimony, platinum, gold, bismuth, an alloy thereof, or a combination thereof. 
     
     
         13 . The method of  claim 12 , wherein the lithium distribution layer has a thickness in a range of from about 1 nanometer to less than about 100 nanometers. 
     
     
         14 . A method of charging an all solid-state secondary battery comprising
 a cathode layer,   a solid electrolyte layer on the cathode layer, and   an anode layer on the solid electrolyte layer, the anode layer comprising an anode collector, and a lithium distribution layer disposed on the anode collector, wherein the lithium distribution layer comprises a metal capable of forming an alloy with lithium, the method comprising:   applying a voltage between the cathode layer and the anode layer to dispose lithium on the lithium distribution layer and form a lithium alloy comprising the metal capable of forming an alloy with lithium.