It was 1991 when Sony introduced the world to the rechargeable lithium-ion battery. Having been first proposed in the 1970s, lithium-ion batteries were initially thought to be impractical. Early researchers figured that they could never create a battery small or efficient enough to be worthwhile. They turned out to be wrong. Dead wrong, in fact. To say that lithium-ion batteries are ubiquitous in the 2020s … Continue reading Imagine Your Life Without Lithium-Ion Batteries