Honestly most of the job is learned at the job. Then additionally comes reading papers, blogs and HN to extend the area of theoretical knowledge. Don't underest

Honestly most of the job is learned at the job. Then additionally comes reading papers, blogs and HN to extend the area of theoretical knowledge. Don't underestimate the power of pure crunching on experiment after experiment for 60h/week for 2-3 years though. If you want to become better, find a job in a company serious about battery development and then work your ass off.