efficiency

68 Articles
Hybrid thermoelectric material achieves high efficiency by decoupling heat and charge transport
Tech

Hybrid thermoelectric material achieves high efficiency by decoupling heat and charge transport

Microstructure evolution in Fe2V0.95Ta0.1Al0.95 Heusler compounds upon incorporating Bi1−xSbx. Credit: Nature Communications (2025). DOI: 10.1038/s41467-025-57250-6 Thermoelectric materials enable the direct conversion of heat...

Appliance efficiency standards save consumers billions, reduce pollution and fight climate change
Tech

Appliance efficiency standards save consumers billions, reduce pollution and fight climate change

Credit: Unsplash/CC0 Public Domain President Donald Trump has said he wants to reverse decades of regulations about energy efficiency in American household appliances,...

Solar cell efficiency record achieved with tin halide perovskite
Tech

Solar cell efficiency record achieved with tin halide perovskite

Schematic illustration of the primary colloidal stabilization of PEA-rich colloids and FA-based colloids, cluster formation and nucleation kinetics, and the growth processes of...

Mimosa seed bio-piezoelectric device functions as self-charging supercapacitor with high efficiency
Tech

Mimosa seed bio-piezoelectric device functions as self-charging supercapacitor with high efficiency

Multifunctionality (energy generation, storage and self-charging) of mimosa pudica linn seeds. Credit: Singh et al. Most energy generators currently employed within the electronics...

Physics reveals the optimal roof ratios for energy efficiency
Tech

Physics reveals the optimal roof ratios for energy efficiency

Credit: Unsplash/CC0 Public Domain While serving as a visiting professor in Benevento, outside Naples, Italy, Adrian Bejan noticed something about the local architecture:...

Photonic chips boost computing speed and efficiency to address growing demand
Tech

Photonic chips boost computing speed and efficiency to address growing demand

Latency comparison and principle of the heuristic recurrent algorithm. Credit: Nature (2025). DOI: 10.1038/s41586-025-08786-6 Computer chips that combine the use of light and...

Ultralight, flexible solar cells set new efficiency record at 23.64%
Tech

Ultralight, flexible solar cells set new efficiency record at 23.64%

A cross-sectional image of a perovskiteCIGS tandem solar cell taken with an electron microscope. Credit: KIER The Korea Institute of Energy Research has...

Strain ‘trick’ improves perovskite solar cells’ efficiency
Tech

Strain ‘trick’ improves perovskite solar cells’ efficiency

Credit: Science (2025). DOI: 10.1126/science.adt3417 Researchers at EPFL have found a way to dramatically reduce energy loss and boost efficiency in perovskite solar...

Redox flow battery achieves energy efficiency of 87.9% and longer cycling life with new catalytic electrode
Tech

Redox flow battery achieves energy efficiency of 87.9% and longer cycling life with new catalytic electrode

Microstructural characterizations of the CoSA-VS/MoS2 nanosheets. Credit: Nature Communications (2025). DOI: 10.1038/s41467-025-58273-9 A team of materials scientists, chemical engineers, and environmental scientists affiliated...