Despite numerous technological advancements that have given us an increasing number of highly sophisticated toys in recent years, we still haven’t solved all our problems with battery life. Yes, battery life is a top concern for many smartphone makers and also for electric vehicles and almost anything that requires large amounts of energy to operate. Battery life and battery efficiency have yet to get a definitive fix, but various research products are aiming to offer the fix we’ve been waiting for.
Such is the case with a team from the University of Cambridge, which has created the “ultimate” battery: a lithium-oxygen battery that uses graphene electrodes to offer high-density, more than 90% efficiency, and can be recharged for up to 2,000 times. More →