Alumina powder, alumina slurry, alumina-containing coating layer, multilayer separation membrane and secondary battery

• Main Authors: KIM TAE-BONG, RHEE JI-HOON, LEE SUK
• Format: Patent
• Language: Chinese; English
• Published: 28.09.2018
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS; ELECTRICITY; INORGANIC CHEMISTRY; METALLURGY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The present invention relates to: an alumina powder which has a ratio of the tapped bulk density (TBD) to the loose bulk duty (LBD), namely TBD/LBD of 1.5 or more; an alumina slurry which contains this alumina powder; an alumina-containing coating layer; a multilayer separation membrane; and a secon...