Beyond the lithium ion—a significant step toward a better performing battery
The race is on around the world as scientists strive to develop a new generation of batteries that can perform beyond the limits of the current lithium-ion based battery.
New processing technology converts packing peanuts to battery components
Researchers have shown how to convert waste packing peanuts into high-performance carbon electrodes for rechargeable lithium-ion batteries that outperform conventional graphite electrodes, representing an ...
Towards "printed" organic solar cells and LEDs
Flexible optoelectronic devices that can be produced roll-to-roll – much like newspapers are printed – are a highly promising path to cheaper devices such as solar cells and LED lighting panels. Scientists ...
Clean energy future: New cheap and efficient electrode for splitting water
UNSW Australia scientists have developed a highly efficient oxygen-producing electrode for splitting water that has the potential to be scaled up for industrial production of the clean energy fuel, hydrogen. ...
Half-millimeter-thick battery could be worn in a wrinkle-smoothing patch
High power and high safety oxide-based negative electrode materials for Li-ion battery
Toyohashi Tech researchers in Japan show electrochemical Li insertion and deinsertion property of Ti-Nb mixed oxide Ti2Nb10O29 (TNO) at high current rate is greatly improved by vacuum annealing. This is mainly ...
Perovskites can improve fabrication of ceramic electronics
Scientists in Japan are finding that perovskites have the potential to improve the fabrication of electrodes and wiring in ceramic-based electronics such as spark plugs.
High performance, lightweight supercapacitor electrodes of the future
As a novel energy storage device, supercapacitors have attracted substantial attention in recent years due to their ultra-high charge and discharge rate, excellent stability, long cycle life and very high ...
Squeezable nano electromechanical switches with quantum tunneling function
A longstanding problem in designing nanoscale electromechanical switches is the tendency for metal-to-metal contacts to stick together, locking the switch in an "on" position. MIT electrical engineering graduate ...
Cockroaches made to follow directions via wireless nerve stimulation
Kitchen sponge supercapacitor has many porous benefits
Scientists discover how to prevent dendrite formation in batteries
Today's batteries cannot take in all of a wind farm's energy on a blustery night and hold it until it is needed the next day. A promising option is to create a higher capacity battery by replacing the negative ...
Using soft X-ray emission spectroscopy to reveal the behavior of electrons associated with charging and discharging
Researchers have used soft X-ray emission spectroscopy to reveal the detailed electronic structure of a cathode (positive electrode) material when charging and discharging a lithium-ion battery.
'Bulletproof' battery: Kevlar membrane for safer, thinner lithium rechargeables
New battery technology from the University of Michigan should be able to prevent the kind of fires that grounded Boeing 787 Dreamliners in 2013.