In 2030, just as today, nearly all of my son’s gadgets from his smartphone to his laptop and his electric or hybrid car will be powered by lithium-ion batteries. Over the years, the energy density of the batteries will increase to fit more mAH into a smaller space and the cell life will improve to several thousand charge cycles.
A number of promising new battery chemistries like lithium-air and nanowire are under development, but if these technologies pan out, they won’t hit the mass market for many years. After all, lithium-ion batteries didn’t go mainstream until the late 1990s, even though scientists began developing them in the 1970s.
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