▎ 摘　　要

NOVELTY - The ion releasing head has a composite material layer formed on a surface of a conductive metal wire i.e. titanium, molybdenum,tungsten or iron wire, where composite material layer is formed with graphene and fullerene. Mass ratio of the fullerene is about 0.1-0.5: 1. Thickness of the composite material layer is about 2-10 nm. USE - Composite material negative ion releasing head for a negative ion generating electrode (claimed). ADVANTAGE - The ion releasing head ensures quick response speed and produces ecological grade small particle negative oxygen ions with small particle size, and has prolonged service life. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following (1) a method for preparing a composite material negative ion releasing head; and (2) a negative ion generating electrode. DESCRIPTION OF DRAWING(S) - The drawing shows a flow diagram illustrating a method for preparing a composite material negative ion releasing head. (Drawing includes non-English language text).