The Rise of Batteries in Six Charts and Not Too Many Numbers
As volumes increased, battery costs plummeted and energy density — a key metric of a battery''s quality — rose steadily. Over the past 30 years, battery costs have fallen by a dramatic 99 percent; meanwhile, the density of top-tier cells has risen fivefold. As is the case for many modular technologies, the more batteries we deploy, the cheaper they get, which in turn …