| abstract |
The present invention provides a pouch packaging material for a secondary battery including an inner layer, a metal layer, and an outer layer, wherein the inner layer is coated with a hydrophobic inorganic layer, and a secondary battery including the same, wherein the hydrophobic inorganic layer is formed on the inner layer of the pouch packaging material. By coating, not only moisture penetration but also electrolyte penetration into the metal layer can be prevented, and the problem of breakdown of the insulation resistance can be solved. As a result, battery safety can be improved. |