Massless carbon fiber battery tech
I marveled earlier this week at the incredible thinness of the Huawei Mate XT batteries. That’s the world’s first commercially available tri-fold foldable phone. Starting at almost $3,000, the foldable features three ultra-slim batteries. Each measures just 1.9mm, as they have to fit in sections that are 3.6mm slim at their thinnest points. I said…