Energy news, April 2022

New system learns from experience to manufacture perovskite solar cells

A machine-learning system that utilizes experience could speed up the development of optimized production methods for perovskite solar cells.

Thermal solar cell made from alloys and gold

Researchers have developed a thermophotovoltaic cell that can convert heat directly to electricity with an efficiency of around 40%.

Negative capacitance has positive effect on computer energy

Using a superlattice of hafnium oxide and zirconium oxide as a gate oxide, researchers have created transistors that consume much less energy.

Novel freeze-thaw battery offers seasonal storage

With a molten salt electrolyte, a novel freeze-thaw battery could store the energy generated by renewable sources such as wind and solar for months.

Triboelectric nanogenerator for shoulder rehabilitation

Novel additive material protects fuel cells from their own reactions

A new additive material comprised of tantalum-titanium oxide nanoparticles can soak up corrosive free radicals in fuel cells.

Honeycomb layer provides sweet way to catpure sunlight

By utilizing a honeycomb layer to capture sunlight, researchers have increased the levels of energy absorbed by wafer-thin photovoltaic panels by 25%.

Carbon coating lets nickel replace platinum in fuel cells

Researchers have developed a nitrogen-doped carbon-coated nickel catalyst that can replace expensive platinum as the anode in fuel cells.

Threads can prevent short circuits in yarns

Researchers have shown that wrapping supercapacitor yarns with insulating threads can hep prevent short-circuits.