Can antipsychotics help depression?

I am on lithium and it’s helping, but not enough. I’m experiencing mixed episodes and depression. Tried escitalopram, agomelatine, sertraline and fluoxetine - all of them made me worse. Now my psych started talking about ECT. But in my opinion it’s too early, I want to try more meds before ECT.

Do you take antipsychotics and do they help depression? What APs are best for depression?