Data integrity for BEEP json files

[Saltsmart]

The json files are PRETTY GOOD for they can be loaded with beep package! But we are wondering if they are consistent with the mat or pkl files.

Here the structured_data contains NaN values in the last cycle, but in the mat files only the first cycles for one batch are unavailable:

[Saltsmart]

Besides, @frknayk mentioned "the voltage goes constantly and linearly goes up" in discharge steps (#21). It's interesting and I also notice this:

[petermattia]

@patrickherring-TRI would be able to speak to the data formatted for the BEEP package better than I