Vibration energy the secret to self-powered electronics
(Phys.org) —A multi-university team of engineers has developed what could be a promising solution for charging smartphone batteries on the go—without the need for an electrical cord.
Gummy material addresses safety concerns of lithium ion batteries
A group of Washington State University researchers have developed a chewing gum-like battery material that could dramatically improve the safety of lithium ion batteries.
Team finds way to make solar cells thin, efficient and flexible
Converting sunshine into electricity is not difficult, but doing so efficiently and on a large scale is one of the reasons why people still rely on the electric grid and not a national solar cell network.
Team develops biotemplated design of piezoelectric energy harvesting device
A research team led by Professor Keon Jae Lee and Professor Yoon Sung Nam from the Department of Materials Science and Engineering at KAIST has developed the biotemplated design of flexible piezoelectric ...
Researchers develop stretchable wire-shaped supercapacitor
(Phys.org) —Advances in flexible and stretchable electronics have prompted researchers to explore ways to create stretchable supercapacitors—robust energy storage devices—to power these and other devices.
Shedding new light on the 'electron highways' of organic solar cells
(Phys.org) —Sunlight absorbed by organic solar cells must first navigate a nanoscale gauntlet before becoming useable electricity. After hitting the light-absorbing material of the solar cell, called the ...
New analytical methodology can guide electrode optimization
Using a new analytical methodology—a coupled micro-computed X-ray tomography (MicroCT) and microfluidic-based electrochemical analysis—researchers at the University of Illinois at Urbana-Champaign are ...
Watching solar cells grow
(Phys.org) —For the first time, a team of researchers at the HZB led by Dr. Roland Mainz and Dr. Christian Kaufmann has managed to observe growth of high-efficiency chalcopyrite thin film solar cells in ...
Unleashing oxygen: 'Superlattice' structure could give a huge boost to oxygen reaction in fuel cells
New research at MIT could dramatically improve the efficiency of fuel cells, which are considered a promising alternative to batteries for powering everything from electronic devices to cars and homes.
New material approach should increase solar cell efficiency
(Phys.org) —A University of Illinois research group brought together aspects of condensed matter physics, semiconductor device engineering, and photochemistry to develop a new form of high-performance solar ...
Tortuous paths hamper ion transport
(Phys.org) —ETH-Zurich researchers use x-ray tomography to screen lithium ion battery electrodes and can reconstruct the microstructure in high resolution. This helps to understand the discharging and charging ...
New path to more efficient organic solar cells uncovered at Advanced Light Source
Why are efficient and affordable solar cells so highly coveted? Volume. The amount of solar energy lighting up Earth's land mass every year is nearly 3,000 times the total amount of annual human energy use. ...
Energy savings—easy as dirt, heat, pressure
(Phys.org)—By using common materials found pretty much anywhere there is dirt, a team of Michigan State University researchers have developed a new thermoelectric material.
Organic solar cells with high electric potential for portable electronics
(Phys.org)—A new breakthrough in solar technology means portable electronic devices such as e-book readers could soon be re-charged on the move in low light levels and partial shading. Scientists from the ...
Researchers reveal how solvent mixtures affect organic solar cell structure
(Phys.org)—Controlling "mixing" between acceptor and donor layers, or domains, in polymer-based solar cells could increase their efficiency, according to a team of researchers that included physicists from ...