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鋁殼電池表面處理工藝

2022-03-10

鋁殼電池

鋁殼電池表面處理工藝:

1、除油

進(jìn)行堿洗是為了將鋁殼電池上的油漬清理干凈。常見的堿性洗滌劑是由Na2CO3、Na3PO4、Na2SiO3和添加劑組成。主要用于浸出和噴淋,也可用于電解清洗和超聲波清洗。

2、去除氧化膜

在鋁殼電池表面自然形成的氧化膜是一種不平整且不可持續(xù)的膜,必須在涂漆前將其完全去除??捎孟跛崛コ龎鸿T件表面的氧化膜。

3、化學(xué)轉(zhuǎn)化

轉(zhuǎn)化處理是為了在鋁殼電池表面形成致密均勻的薄膜。鋁合金轉(zhuǎn)化膜為鉻酸/鹽酸、磷酸、鹽酸和氫氟酸,基于轉(zhuǎn)化膜的質(zhì)量為215g /m2 ,一般轉(zhuǎn)化成薄膜后必須用水清洗,然后用熱風(fēng)干燥,以增加薄膜的硬度。

探討了鋁殼電池的表面處理工藝。在電池制造過程中,我們不僅要了解表面處理工藝,還要了解電池等溫?cái)D壓工藝的步驟,這有助于生產(chǎn)鋁殼電池。

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