Chemistry · Chemistry
Materials & Batteries
How a lithium-ion battery stores energy (anode, cathode, electrolyte, ions vs electrons), energy density and cost trends, chemistries (NMC, LFP, solid-state, sodium-ion), degradation and safety, and why materials science drives EVs and the grid.
Step 1 of 5 · Overview30 min read ·
Key idea
Prereqs: Energy in reactions; atoms. Next: Energy: fossil, nuclear, renewables; Tesla. Sources: Nobel Prize in Chemistry 2019 (Goodenough, Whittingham, Yoshino); BloombergNEF battery price survey; Branch Education.Next: 1. How it works