| 摘要 |
PURPOSE: A sacrificial anode for preventing ship corrosion with low corrosion electric potential is provided to ensure improved efficiency and environmentally-friendly effect because of an additive material comprising a non-heavy metal element with high hydrogen overvoltage. CONSTITUTION: A sacrificial anode(1) for preventing ship corrosion with low corrosion electric potential includes an additive material comprising a non-heavy metal element with high hydrogen overvoltage. The additive material is a non-heavy metal element selected from the group consisting of Ca, Mg, Al, Cu, Zn, and Sn. |
