Microbatteries on chips could help make wearable sensors
Fitbits, car windows, oil refineries—the roll call of devices and technologies that rely on ultra-small sensors already numbers in the hundreds of billions.
Sensors measure...
Footsteps on these wooden floors could power small electronic devices
Researchers from Switzerland are tapping into an unexpected energy source right under our feet: wooden floors.
Their nanogenerator, presented in the journal Matter, enables wood...
Stretching may help lithium batteries last longer, shows study
Batteries are widely used in everyday applications like powering electric vehicles, electronic gadgets and are promising candidates for sustainable energy storage.
However, as you’ve likely...
This stretchable device could turn motion into electricity – even underwater
Researchers at North Carolina State University have created a soft, stretchable device that converts movement into electricity and works in both dry and wet...
This charging room could power your lights, phones, laptops without wires
In a move that could one day free the world’s countertops from their snarl of charging cords, researchers at the University of Michigan and...
How extreme cold can crack lithium-ion battery materials, degrading performance
Lithium-ion batteries are a bit famous for their poor cold-weather performance, and that has consequences for some of their most important applications – everything...
Scientists make rechargeable batteries that store six times more charge
Scientists have developed rechargeable batteries that can store up to six times more charge than ones that are currently commercially available.
The advance, detailed in...
Janus graphene opens doors to sustainable sodium-ion batteries
Even though lithium ions work well for energy storage, lithium is an expensive metal with concerns regarding its long-term supply and environmental issues.
Sodium, on...
Scientists set new record with bifacial solar cells
Scientists at The Australian National University (ANU) have produced a more efficient type of solar cell, using laser processing and setting a new world...
Scientists develop new technology for next-generation batteries
Researchers have developed a new technology which could enable lithium batteries to be replaced with more sustainable alternatives.
A team at Imperial College London have...