反应
1
A l 3 + + 3 e = A l
2
A l O O H + 3 H + + 3 e = A l + 2 H 2 O
3
A l O O H + 3 H + = A l 3 + + 2 H 2 O
4
A l O O H + 2 H 2 O = A l ( O H ) 4 − + H +
5
A l ( O H ) 4 − + 4 H + + 3 e = A l + 4 H 2 O