Abstract:
A solid ion conductor compound including Li, Ho, and a halogen element, wherein the compound has diffraction peaks at 30°2θ to 33°2θ, 33°2θ to 36°2θ, 40°2θ to 44°2θ, and 48°2θ to 52°28θ, when analyzed using CuKα radiation, and wherein a full width at half maximum of at least one peak at 40°2θ to 44°2θ is 0.3°2θ or greater.
Abstract:
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 106 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.
Abstract:
A composite separator includes: a porous substrate; and a composite electrolyte on a surface of the porous substrate, the composite electrolyte including block copolymer, an ionic liquid, and a particle, wherein a size of the particle is larger than a pore size of the porous substrate, the particle includes an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, and the particle has a particle size of greater than about 1 micrometer to about 100 micrometers.
Abstract:
A method of charging a lithium metal battery includes charging the lithium metal battery so that a constant voltage period and a first constant current period are separated from each other in time where, the lithium metal battery is charged so that a second constant current period occurs between the first constant current period and the constant voltage period, and a current value of the second constant current period is less than a current value of the first constant current period.
Abstract:
A composite electrolyte includes: a positively charged particle, a particle that is positively charged by having a coordinate bond with a cation, or a combination thereof; and a lithium salt.
Abstract:
An electrolyte for a secondary battery, the electrolyte including an ionic liquid polymer including a repeating unit represented by Formula 1: wherein, in Formula 1, CY, R1, R2, R3, X1−, n, and m are the same as described in the specification.
Abstract:
A composite membrane comprising an organic film layer; and a plurality of ion conductive inorganic particles disposed in the organic film layer, wherein the organic film layer comprises a crosslinked copolymer, and the crosslinked copolymer comprises a fluorine-containing first repeating unit and at least one repeating unit selected from a fluorine-free second repeating unit and a fluorine-free third repeating unit.
Abstract:
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.
Abstract:
A negative electrode for a lithium battery, including a lithium metal; and a protective layer disposed on at least a part of the lithium metal, wherein the protective layer includes a block copolymer including a structural domain and a hard domain covalently linked to the structural domain, wherein the structural domain includes a structural block of the block copolymer, wherein the hard domain includes a hard block of the block polymer, wherein the structural block includes a plurality of structural repeating units, and wherein the hard block includes a plurality of olefin repeating units.
Abstract:
An all-solid secondary battery includes: a positive electrode including a positive electrode active material layer; a negative electrode including a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector; and a solid electrolyte layer between the positive electrode active material layer and the negative electrode active material layer, wherein the negative electrode active material layer includes first particles including a carbon material, and second particles including a metallic material that does not alloy with lithium metal.