▎ 摘　　要

NOVELTY - Phosphorus-based compound with flash zinc ore structure (I), is new. USE - The phosphorus-based compound is useful in lithium-ion battery cathode active materials (claimed) for portable electronic products i.e. mobile phones, computers and electric vehicles. ADVANTAGE - The phosphorus-based compound solves technical problems of low capacity, bad circulation stability and poor rate performance of lithium-ion battery cathode materials. DETAILED DESCRIPTION - Phosphorus-based compound with flash zinc ore structure of formula (ABCDEFGHIJ) P10 (1-1), (ABCDEFGHIJ) P9S (1-2), (ABCDEFGHIJ) P9Se (1-3), (ABCDEFGHIJ)P8SSe (1-4), (ABCDEFGHI)P9 (2-1), (ABCDEFGHI)P8S (2-2), (ABCDEFGHI)P8Se (2-3), (ABCDEFGHI) P7SSe (2-4), (ABCDEFGH) P8 (3-1), (ABCDEFGH) P7S (3-2), (ABCDEFGH) P7Se (3-3), (ABCDEFGH) P6SSe (3-4), (ABCDEFG) P7 (4-1), (ABCDEFG)P6S (4-2), (ABCDEFG)P6Se (4-3), (ABCDEFG)P5SSe (4-4), (ABCDEF)P6 (5-1), (ABCDEF)P5S (5-2), (ABCDEF)P5Se (5-3), (ABCDEF)P4SSe (5-4), (ABCDE)P5 (6-1), (ABCDE) P4S (6-2), (ABCDE) P4Se (6-3),(ABCDE) P3SSe (6-4), (ABCD) P4 (7-1), (ABCD)P3S (7-2), (ABCD)P3Se (7-3), (ABCD)P2SSe (7-4), (ABC)P3 (8-1), (ABC)P2S (8-2), (ABC)P2Se (8-3), (ABC)PSSe (8-4), is new, where A, B, C, D, E, F, G, H, I and J are different elements, includes copper, zinc, aluminum, silicon, gallium, germanium, indium, tin, magnesium or boron, etc. INDEPENDENT CLAIMS are included for: preparing (I); cathode active material for lithium-ion batteries; lithium ion battery cathode, is prepared by mixing lithium-ion battery cathode active material, conductive component and binder, and paving on the current collector.