Zinc-air batteries are an enticing prospect thanks to their high energy density and the fact they’re made with some of the most common materials on Earth. Unfortunately, those advantages are countered by how difficult it is to recharge these cells. Now, a team at the University of Sydney has created new catalysts out of abundant elements that could see rechargeable zinc-air batteries vying with lithium-ion batteries in mobile devices.
Rechargeable zinc-air batteries zero in on lithium
More of Today's Solutions
Changemakers of the week: GRuB and SparkNJ
Every day on the Optimist Daily, we report on solutions from around the world. Though we love solutions big and small, the ones that ...
Read MoreThe giant beneath the waves: world’s largest coral found in the Pacific
BY THE OPTIMIST DAILY EDITORIAL TEAM In a world where bad news about the environment routinely outweighs good news, scientists have discovered an incredible ...
Read MoreTortoise discovered in a home in Pompeii
Almost 2000 years after the eruption of Mt. Vesuvius and its trapping of the city of Pompeii in time, archaeologists are still making discoveries ...
Read MoreRevel at the most detailed image of our universe yet
Here at The Optimist Daily, we have been sharing every exciting step of the James Webb Telescope’s journey, from its long-awaited launch, to when ...
Read More
