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...
Tandem solar cells could help convert more energy from sun
Many countries around the world are committed to reducing emissions or reaching net-zero emissions to meet the United Nations' climate goals of maintaining temperature...
New tech could double the power harvested from ocean waves
Researchers have developed prototype technology that can double the power harvested from ocean waves, in an advance that could finally make wave energy a...
Blue hydrogen may be worse than gas, coal
“Blue” hydrogen – an energy source that involves a process for making hydrogen by using methane in natural gas – is being lauded as...
Scientists find new way to quadruple microbatteries’ energy density
Weighing about as much as two grains of rice but with the energy density of a much larger, heavier battery, the researchers’ packing-free design...
New material offers ecofriendly solution to converting waste heat into electricity
Perseverance, NASA’s 2020 Mars rover, is powered by something very desirable here on Earth: a thermoelectric device, which converts heat to useful electricity.
On Mars,...