The present invention relates to a method for forming an SEI layer on an anode by using a non-electrochemical process for alkaliating anodes, resulting in reductions of the manufacturing capital requirements, time investments and energy consumed during industrial battery production.

The present invention relates to a method for forming an SEI layer on an anode by using a non-electrochemical process for alkaliating anodes, resulting in reductions of the manufacturing capital requirements, time investments and energy consumed during industrial battery production.

The present disclosure relates to an electrolyte for a lithium-sulfur battery including a non-aqueous organic solvent including specific three types of compounds, and a lithium-sulfur battery including the same.

A cathode active material for a lithium secondary battery according to exemplary embodiments may include lithium metal oxide particles; and a coating layer which is formed on surfaces of the lithium metal oxide particles and contains a first metal and a second metal, wherein the coating layer may include a region having a predetermined tendency that the concentrations of the first metal and the second metal are changed. In addition, a method of manufacturing the cathode active material for a lithium secondary battery is provided.

An electrolyte for a lithium metal battery, the electrolyte including: a solvated ionic liquid including a glyme solvent and a lithium salt, wherein an amount of the lithium salt is about 3 moles per liter or greater, and wherein a lithium metal battery including the electrolyte has an initial solution resistance of less than about 1 ohm and a bulk resistance of less than about 10 ohms. A lithium metal battery includes: a negative electrode including a lithium metal or a lithium metal alloy; a positive electrode; and the electrolyte. A method of manufacturing the lithium metal battery includes: mixing a glyme solvent and a lithium salt to obtain an electrolyte precursor; disposing the electrolyte precursor into the lithium metal battery; and performing hermetic immersion of the electrolyte precursor in the lithium metal battery to form the electrolyte.

A lithium ion conductive solid electrolyte or an all-solid-state battery. The lithium ion conductive solid electrolyte satisfies any of (I) to (III): (I) having a crystal structure based on LiTa.sub.2PO.sub.8 and a crystal structure based on at least one compound selected from LiTa.sub.3O.sub.8, Ta.sub.2O.sub.5, and TaPO.sub.5; (II) being represented by the stoichiometric formula of Li.sub.a1Ta.sub.b1B.sub.c1P.sub.d1O.sub.e1 where 0.5<a1<2.0, 1.0<b1≤2.0, 0<c1<0.5, 0.5<d1<1.0, and 5.0<e1≤8.0; (III) being represented by the stoichiometric formula of Li.sub.a2Ta.sub.b2Ma.sub.c2B.sub.d2P.sub.e2O.sub.f2 where 0.5<a2<2.0, 1.0<b2≤2.0, 0<c2<0.5, 0<d2<0.5, 0.5<e2<1.0, and 5.0<f2≤8.0, and Ma is one or more elements selected from the group consisting of Nb, Zr, Ga, Sn, Hf, Bi, W, Mo, Si, Al, and Ge.

Articles and methods for forming protected electrodes for use in electrochemical cells, including those for use in rechargeable lithium batteries, are provided. In some embodiments, the articles and methods involve an electrode that does not include an electroactive layer, but includes a current collector and a protective structure positioned directly adjacent the current collector, or separated from the current collector by one or more thin layers. Lithium ions may be transported across the protective structure to form an electroactive layer between the current collector and the protective structure. In some embodiments, an anisotropic force may be applied to the electrode to facilitate formation of the electroactive layer.

The present embodiments provide a metal lithium strip, a prelithiated electrode plate, and a prelithiation process. The metal lithium strip comprises a lithium substrate and a metal element doped in the lithium substrate, the metal element comprises at least two of magnesium, boron, aluminum, silicon, indium, zinc, silver, calcium, manganese and sodium; and the metal lithium strip has a strength a, a width w, and a thickness h, satisfying: σ.sup.2-(w/105h).sup.2>0. In the present application, the strength of the lithium strip is adjusted by the doping of the metal elements; meanwhile, the strength of the adjusted lithium strip is matched with its width and thickness ensuring that in the process of rolling the metal lithium strip to a reasonable thickness, the phenomenon of edge cracking of the lithium strip is avoided, lithium metal resources and production costs can be saved, a uniform pre-lithiation effect for electrode plate can also be achieved.

A negative electrode for a lithium metal battery including: a lithium metal electrode including a lithium metal or a lithium metal alloy; and a protective layer on at least portion of the lithium metal electrode, wherein the protective layer has a Young's modulus of about 10.sup.6 pascals or greater and includes at least one particle having a particle size of greater than 1 micrometer to about 100 micrometers, and wherein the at least one particle include an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof.

The present invention relates to a multi-layer structured lithium metal electrode and a method for manufacturing the same and, specifically, to a multi-layer structured lithium metal electrode comprising: a buffer layer of lithium nitride (Li3N) formed on a lithium metal plate; and a protective layer of LiBON formed on the buffer layer, and to a method for manufacturing a multi-layer structured lithium metal electrode by continuously forming a lithium nitride buffer layer and a LiBON protective layer on a lithium metal plate through continuous reactive sputtering multi-layer structured lithium metal electrode multi-layer structured lithium metal electrode lithium metal plate multi-layer structured lithium metal electrode lithium metal plate. The multi-layer structured lithium metal electrode of the present invention can protect the reactivity of the lithium metal from moisture or an environment within a battery, and prevent the formation of dendrites, by forming the protective layer.