One might prove a connection between LEC and heat after death. If plating of metal for LEC or applying transient cavitation bubbles to a piece of metal, then using them in LEC both produced currents. A sonic treatment rather than plating could be a savings of time and perhaps energy. It might even prove over unity quicker, since one could account of the energy needed to treat the metal in comparison to the current output of the LEC.
One might prove a connection between LEC and after heat by looking for after heat in the metal from an experiment run like B. J. Huang"s.