Patent ID: 7517616
Filing Date: 2009-04-14
Classification: H01B,H01M,Y02E

Abstract:
1. A member of a lithium battery, the member comprising: (a) metallic lithium or a lithium alloy; and (b) an inorganic solid electrolyte formed on the surface of the metallic lithium or lithium alloy; the inorganic solid electrolyte comprising Li, P, and S without containing Si; in the member, the content of oxygen varying gradually and decreasing from the inorganic solid electrolyte to the metallic lithium or lithium alloy at the boundary zone between the electrolyte and the metallic lithium or lithium alloy when analyzed by using an XPS equipped with an analyzing chamber capable of maintaining a super-high vacuum less than 1.33×10 the electrolyte is a compound of lithium sulfide (Li