Can Batteries Power Everything? This video is about the physical and chemical limitations to electrolytic batteries, and how we might surpass the energy density and specific energy of lithium-ion batteries (like the Panasonic 18650 batteries used in the Tesla Model S, for example).
Trends in Gravimetric Energy Density (Specific Energy): https://www.researchgate.net/figure/2...\_fig1\_Fig-3-Trend-of-capacity-and-energy-density-increase-in-18-650-cylindrical-type-Li-ion