Tesla could struggle to implement some of its battery advances, experts say

Tesla's new battery cell — a larger cylindrical format called 4680 that can store more energy and is easier to make — is key to achieving the goal of cutting battery costs in half and ramping up battery production nearly 100-fold by 2030."We’re not getting into the cell business just for the hell of it, it’s because it’s the fundamental constraint" to eventually producing 20 million vehicles a year, Musk said on Tuesday in a "Battery Day" presentation that disappoin