To promote the useful life of the large type aluminium electrolytic capacitors, it adopts four times forming, many times depolarization and to add the addition in the production of the electrode foil.

• 为了提高大型铝电解电容器的使用寿命,电极箔生产过程采用四级化成、多级处理、加入添加剂的方法,提高氧化膜的致密性,减少漏电流。