Electrolysis is Expensive - It’s All That Electricity... Flashcards
1
Q
Why is electrolysis pretty expensive?
A
It uses a lot of electricity
Needed to heat electrolyte mixture to 900°C
2
Q
What needs frequent replacement and why is this bad?
A
The disappearing positive electrodes
3
Q
Why was aluminium more expensive a hundred years ago?
A
It was a very rare metal as it was hard to extract