Panasonic's Chief Technology Officer, Shoichiro Watanabe, has told Reuters that the company is planning to increase the energy density of its batteries by 20% by 2030. The Tesla supplier explained that new additives would help it to achieve enhanced performance. This technology could add over 100 km (~62 miles) range to a Tesla Model Y.https://www.notebookcheck.net/Tesla-supplier-Panasonic-hopes-to-boost-EV-battery-energy-density-by-20.634582.0.html
8 years to increase density by (maybe) 20%....
Batteries have definitely nothing to do in a car