Researchers explore an alternative, green supercapacitor concept that relies on seawater and carbon fibers derived from waste cotton.
Energy
Minimizing the carbon footprint of cooling systems
Addressing the negative environmental impacts caused by fossil fuels and conventional refrigerants requires alternative and sustainable cooling solutions.
Overcoming global challenges with microalgae biorefineries
Microalgal biorefinery has emerged as one of the sustainable solutions for the production of biofuels and biochemicals. However, there are still some difficulties to be solved.
Waste carbon dioxide converted to synthetic fuels
Engineers find a neat way to turn waste carbon dioxide into useful materials for industrial products like fuel and plastics.
How power systems can be operated using only renewable power generation
Implementing fully-inverter-based power systems on a large scale may be possible using wind and solar power.
Smart windows that self-illuminate on rainy days
A new filter structure that expands and contracts as moisture levels change provides the first steps in create humidity-responsive smart windows.
Quasi-solid zinc metal batteries could power the wearables of tomorrow
Zinc metal batteries built using a novel hydrogel electrolyte show remarkable performance and processability, making them suitable for the next generation of wearable energy storage devices.
Making water-splitting for hydrogen storage 50 times more efficient
Experiments find the sweet spot for surface area and bubble trapping to create more efficient water-splitting devices.
Chemical recycling of plastic waste provides useful feedstock
Chemical transformation of waste plastics into value-added chemicals can be a convenient avenue to supplement current recycling processes.
Perovskite silicon tandem solar cells with an optimum perovskite band gap
A group of researchers from Freiburg present a new tandem solar cell to break through current theoretical limits..
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