Hey Jim, this may be over-the-top arcane, but SAE is offering a free webinar described as "Learn how to produce physics-based models of lithium-ion cells with simulation software." Who knows? Maybe there's something useful to learn there.
If you're interested, it's at 2:00 PM today and you can sign up here:
I will be picking up my new car at the time, and I have no idea what they're talking about, anyway. d8-)