Experimen- tal results show that the plate grids made of the Pb-Ca alloy and the addition of 0.2% Y into the positive paste contribute to higher initial capacity and longer life.

• 实验结果表明用铅钙合金作板栅；在正膏中加入0.；2%25的Y添加剂；所制成的正极板；具有较高的初始容量和较长的寿命。