Small-molecule solar cells get 50% increase in efficiency with optical spacer
Sodium-ion battery cathode has highest energy density to date
Generator uses the human body as an electrode to power portable electronics
Hybrid nanostructure with extreme light absorption looks promising for photovoltaics
Scientists grow ultrahigh-purity carbon nanotubes
Nanogenerator's output triples previous record
Inkjet-printed graphene electrodes may lead to low-cost, large-area, possibly foldable devices
Flexible, semitransparent power source made with novel comb-teeth structure
'Superstructured' solar cells achieve record efficiency of 10.9%
Sponge-like graphene makes promising supercapacitor electrodes
A billion holes can make a battery
Researchers at the University of Maryland have invented a single tiny structure that includes all the components of a battery that they say could bring about the ultimate miniaturization of energy storage ...
Study sheds new light on why batteries go bad
A comprehensive look at how tiny particles in a lithium ion battery electrode behave shows that rapid-charging the battery and using it to do high-power, rapidly draining work may not be as damaging as researchers ...
Microbial battery: Team uses 'wired microbes' to generate electricity from sewage
Engineers at Stanford University have devised a new way to generate electricity from sewage using naturally-occurring "wired microbes" as mini power plants, producing electricity as they digest plant and ...
A more efficient, lightweight and low-cost organic solar cell
For decades, polymer scientists and synthetic chemists working to improve the power conversion efficiency of organic solar cells were hampered by the inherent drawbacks of commonly used metal electrodes, ...