Disclosed are an all-solid state battery and a method of manufacturing the same. The all-solid state battery includes: a current collector comprising an electrode mixture comprising an active material, a conductive material, a binder, and a nano-solid electrolyte; and a composite electrode comprising microcapsules. The electrode mixture is formed in a slurry and the microcapsules are configured to coat the slurry on the current collector.

Described is an apparatus which comprises: a cathode current collector configured to be in direct contact to a first client terminal; an anode current collector configured to be in direct contact to a second client terminal; and at least two layers of active material, where one layer is adjacent to the cathode current collector and another layer is adjacent to the anode current collector.

The present invention relates to nanostructured materials for use in rechargeable energy storage devices such as lithium batteries, particularly rechargeable secondary lithium batteries, or lithium-ion batteries (LIBs). The present invention includes materials, components, and devices, including nanostructured materials for use as battery active materials, and lithium ion battery (LIB) electrodes comprising such nanostructured materials, as well as manufacturing methods related thereto. Exemplary nanostructured materials include silicon-based nanostructures such as silicon nanowires and coated silicon nanowires, nanostructures disposed on substrates comprising active materials or current collectors such as silicon nanowires disposed on graphite particles or copper electrode plates, and LIB anode composites comprising high-capacity active material nanostructures formed on a porous copper and/or graphite powder substrate.

Provided in one embodiment of the present disclosure is a copper foil, which comprises a copper layer having a matte surface and a shiny surface, and an anticorrosive film arranged on the copper layer, and has a residual stress of 0.5-25 MPa on the basis of the absolute value thereof, wherein the copper layer comprises copper and carbon (C), the amount of carbon (C) in the copper layer is 2-20 ppm, the copper layer has a plane (111), a plane (200), a plane (220) and a plane (311) including crystalline particles, the ratio of the diffraction intensity of the plane (220) to the sum of the diffraction intensities of the plane (111), the plane (200), the plane (220) and the plane (311) is 10-40%, and the crystalline particles of the plane (220) have an average particle size of 70-120 nm at room temperature.

The present disclosure provides a solid electrolyte material having high lithium ion conductivity. The solid electrolyte material of the present disclosure includes Li, M1, M2 and X, and has a spinel structure. M1 is at least one element selected from the group consisting of Mg and Zn. M2 is at least one element selected from the group consisting of Al, Ga, Y, In and Bi. X is at least one element selected from the group consisting of F, Cl, Br and I.

The present disclosure provides a solid electrolyte material having high lithium ion conductivity. The solid electrolyte material of the present disclosure includes Li, M and X. M is at least one element selected from the group consisting of Mg, Zn and Cd. X is at least two elements selected from the group consisting of Cl, Br and I.

A composite solid electrolyte including a first solid electrolyte layer including a halide solid electrolyte, a second solid electrolyte layer including an oxide solid electrolyte, a lithium ion-conductive interlayer between the first solid electrolyte layer and the second solid electrolyte layer, wherein the lithium ion-conductive interlayer includes a composition in which a reaction energy of the lithium ion-conductive interlayer with respect to the first solid electrolyte is −50 meV/atom or greater.

The solid electrolyte material of the present disclosure includes Li, M, O, X, and F. M is at least one element selected from the group consisting of Ta and Nb. X is at least one element selected from the group consisting of Cl, Br, and I.

There are provided a lithium ion secondary battery and a manufacturing method thereof, including a solid electrolyte membrane having an electron-insulating inorganic particle having a particle diameter of 10 to 500 nm, an inorganic solid electrolyte particle larger than the electron-insulating inorganic particle and having electrolytic solution resistance and ion conductivity, and a thermofused solidified product of an electron-insulating material and thermofuses in a specific temperature region, with which a void between the solid particles is filled; a positive electrode layer; a negative electrode layer, where thermofused solidified product of an electron-insulating material is in an amorphous state, and in the solid electrolyte membrane, the inorganic solid electrolyte particles are disposed substantially in a single layer. There are also provided a solid electrolyte membrane suitable as a separator of this battery, and a manufacturing method therefor.

A cathode material, a cathode including the same, a method of manufacturing the cathode, and a lithium-air battery including the cathode, the cathode material configured to use water and oxygen as a cathode active material, the cathode material including a metal oxide represented by Formula 1:

M.sub.xO.sub.y   Formula 1

wherein, in Formula 1, M is Ti, Cu, Co, Ce, Cu, Fe, Eu, Cd, Co, Cr, Mn, Mo, Nb, Pu, Ru, Tc, U, V, Ir, or a combination thereof, 0<x≤20, 0<y≤34, and 0.05<y/x<10, with the proviso that when M is Mn, 0.05<y/x≤1.4, wherein the cathode material has a phase stability value of about 1.2 electronvolts or less at a pH of 12 to 14 and at a voltage of 2 to 4.5 volts with respect to lithium metal, and a bandgap energy of 0 electronvolts when determined by density functional theory.