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
Oslo’s quiet revolution: how electric construction sites are changing the game
BY THE OPTIMIST DAILY EDITORIAL TEAM Imagine walking past a bustling construction site and hearing… almost nothing. In Oslo, that’s becoming the new normal. ...
Read MoreDIY toothpaste: a simple, eco-friendly guide to sparkling teeth
BY THE OPTIMIST DAILY EDITORIAL TEAM Are you tired of reaching for the same old toothpaste tube every morning? Making your own toothpaste not ...
Read MoreThe Rockefeller Christmas Tree gets a charitable new life after the holidays
We once shared how a tiny owl was rescued from the branches of the Rockefeller Christmas Tree. Now we have more good news as ...
Read MoreRobot fish repairs itself with microplastics it collects
Microplastics are one of the most pervasive environmental and health issues of our time. And environmental engineers and researchers are working nonstop to address ...
Read More
