We could think that its stupid what i'm going to say, but in my opinion we did not tried everything and the things we tried was not good to provide data to examine and use for progress, the most important things about doing a good scientific work is to take notes, drawings, data and put in a manner that it can be read and understood a kind of thesis work.
I just thought that in my opinion anybody tried properly to add a coil in parallel with the cell and pulse it with dc at its resonant frequency.
I remember i did that and even achieved resonance but i was not knowing very well what was going on exactly.
cheers to KISS