Cas no: 7440-02-0 Eninec no: 231-853-9 Mf: ni Grade standard:industrial, reagent Purity:20nm 99.9%. 40nm, 70nm, 100nm 99.8% Appearance: black powder Application:catalyst Size: 20nm 40nm, 70nm, 100nm Shape:spherical Note: we can supply different size products of electrode materials nickel powder according to client's requirements. Product performance Nickel nanoparticles is a high-performance electrode materials in fuel cells which can replace the precious metals platinum, thus greatly reducing the cost of the fuel cell.