摘要:
Disclosed are a positive active material for a rechargeable lithium battery including a nickel-based lithium metal oxide having a layered crystal structure and a coating layer including a lithium-metal oxide selevtively disposed on (003) crystalline plane of the nickel-based lithium metal oxide, wherein the positive active material includes at least one secondary particle including an agglomerate of two or more primary particles, a method of preparing the same, and a rechargeable lithium battery including the positive active material.
摘要:
This application relates to a composite positive electrode active material for a lithium secondary battery. The composite positive electrode active material includes a nickel-based active material and a cobalt-boron compound-containing coating layer formed on a surface of the nickel-based active material. The application also relates to a method of preparation of the composite positive electrode active material. The application further relates to a lithium secondary battery including a positive electrode containing the composite positive electrode active material.
摘要:
Disclosed are a positive active material for a rechargeable lithium battery including a nickel-based lithium metal oxide having a layered crystal structure and a coating layer including a lithium-metal oxide selectively disposed on (003) crystalline plane of the nickel-based lithium metal oxide, wherein the nickel-based lithium metal oxide exists as single particles, a method of preparing the same, and a rechargeable lithium battery including the positive active material.
摘要:
A nickel-based active material for a lithium secondary battery, a method of preparing the nickel-based active material, and a lithium secondary battery including a positive electrode including the nickel-based active material, the nickel-based active material comprising a secondary particle having an outer portion with a radially arranged structure and an inner portion with an irregular porous structure, wherein the inner portion of the secondary particle has a larger pore size than the outer portion of the secondary particle.
摘要:
Provided are a nickel-based active material, a method of preparing the same, and a lithium secondary battery including a positive electrode including the nickel-based active material. The nickel-based active material includes at least one secondary particle including an aggregate of two or more primary particles, wherein at least a portion of the secondary particle has a radial array structure, and a hetero-element compound is positioned between the primary particles.
摘要:
The present disclosure relates to a positive electrode active material, a preparing method therefor, and a lithium secondary battery including same. A positive electrode active material according to an embodiment comprises: a core including a lithium nickel composite oxide represented by Chemical Formula 1; and a surface layer present on the core and including at least one of a water-soluble ammonium-based organic compound and a water-soluble amine-based organic compound. The details of Chemical Formula 1 are as defined in the specification.
摘要:
Disclosed is a composite positive active material including a lithium nickel cobalt aluminium composite oxide. A full width at half maximum (FWHM) of a peak of a (104) plane of the lithium nickel cobalt aluminium composite oxide is 0.15 or less and an FWHM of a peak of a (108) plane of the lithium nickel cobalt aluminium composite oxide is 0.15 or less, the peaks being obtained by X-ray diffraction analysis using a CuK± X-ray. A method of preparing the composite positive active material, and a lithium secondary battery including a positive electrode including the composite positive active material are also disclosed.