Showing 20 articles starting at article 1
Categories: Energy: Technology
Published New nano-device could mean your run could power your electrical wearables (via sciencedaily.com) Original source
Your early morning run could soon help harvest enough electricity to power your wearable devices, thanks to new nanotechnology.
Published Eco-friendly cooling device with record-breaking efficiency (via sciencedaily.com) Original source
Researchers have developed an eco-friendly refrigeration device with record-breaking cooling performance in the world, setting to transform industries reliant on cooling and reduce global energy use. With a boost in efficiency of over 48%, the new elastocaloric cooling technology opens a promising avenue for accelerating the commercialization of this disruptive technology and addressing the environmental challenges associated with traditional cooling systems.
Published Hydropower generation projected to rise, but climate change brings uncertain future (via sciencedaily.com) Original source
Although climate change may bring increased precipitation to many parts of the United States, some areas may face drier conditions and lower streamflow, resulting in decreased hydropower generation.
Published Sharing risk to avoid power outages in an era of extreme weather (via sciencedaily.com) Original source
Heat waves, droughts, and fires place growing stress on the West's electric grid. New research suggests that more integrated management of electricity resources across the region could significantly reduce the risk of power outages and accelerate the transition to clean energy.
Published Molecular wires with a twist (via sciencedaily.com) Original source
Researchers have developed molecular wires with periodic twists. By controlling the lengths of regions between twists, the electrical conductivity of individual polymer chains can be enhanced. This work may lead to novel organic electronics or single-molecule wires.
Published Development of a model capable of predicting the cycle lives of high-energy-density lithium-metal batteries (via sciencedaily.com) Original source
Scientists have developed a model capable of predicting the cycle lives of high-energy-density lithium-metal batteries by applying machine learning methods to battery performance data. The model proved able to accurately estimate batteries' longevity by analyzing their charge, discharge and voltage relaxation process data without relying on any assumption about specific battery degradation mechanisms. The technique is expected to be useful in improving the safety and reliability of devices powered by lithium-metal batteries.
Published Using AI to find the polymers of the future (via sciencedaily.com) Original source
Finding the next groundbreaking polymer is always a challenge, but now researchers are using artificial intelligence (AI) to shape and transform the future of the field.
Published Revolutionizing thermoelectric technology: Hourglass-shaped materials achieve a 360% efficiency boost (via sciencedaily.com) Original source
A groundbreaking technology has been unveiled that improves the efficiency of thermoelectric materials, which are key in converting waste heat into electricity, by altering their geometry to resemble an hourglass. Unlike previous research that solely depended on the material properties of thermoelectric substances, this new approach is expected to have widespread applications in thermoelectric power generation.
Published New research shows unprecedented atmospheric changes during May's geomagnetic superstorm (via sciencedaily.com) Original source
On May 11, a gorgeous aurora surprised stargazers across the southern United States. That same weekend, a tractor guided by GPS missed its mark. What do the visibility of the northern lights have in common with compromised farming equipment in the Midwest? A uniquely powerful geomagnetic storm, according to new research.
Published Engineers design tiny batteries for powering cell-sized robots (via sciencedaily.com) Original source
A zinc-air microbattery could enable the deployment of cell-sized, autonomous robots for drug delivery within in the human body, as well as other applications such as locating leaks in gas pipelines.
Published Research provides a roadmap for improving electrochemical performance (via sciencedaily.com) Original source
A study expands understanding on how electrons move through the conductive parts of complex fluids found in electrochemical devices such as batteries. This work can help overcome existing knowledge gaps for engineers seeking to improve the performance of these devices.
Published Smart fabric converts body heat into electricity (via sciencedaily.com) Original source
Researchers have developed a smart fabric that can convert body heat and solar energy into electricity, potentially enabling continuous operation with no need for an external power source. Different sensors monitoring temperature, stress, and more can be integrated into the material.
Published A method that paves the way for improved fuel cell vehicles (via sciencedaily.com) Original source
More efficient and longer-lasting fuel cells are essential for fuel cell-powered heavy-duty hydrogen vehicles to be an alternative to combustion fuelled counterparts. Researchers have developed an innovative method to study and understand how parts of fuel cells degrade over time. This is an important step towards the improved performance of fuel cells and them becoming commercially successful.
Published Halogen bonding for selective electrochemical separation, path to sustainable chemical processing demonstrated (via sciencedaily.com) Original source
A team has reported the first demonstration of selective electrochemical separation driven by halogen bonding. This was achieved by engineering a polymer that modulates the charge density on a halogen atom when electricity is applied. The polymer then attracts only certain targets -- such as halides, oxyanions, and even organic molecules -- from organic solutions, a feature that has important implications for pharmaceuticals and chemical synthesis processes.
Published Engineers bring efficient optical neural networks into focus (via sciencedaily.com) Original source
Researchers have published a programmable framework that overcomes a key computational bottleneck of optics-based artificial intelligence systems. In a series of image classification experiments, they used scattered light from a low-power laser to perform accurate, scalable computations using a fraction of the energy of electronics.
Published Increasing solid-state electrolyte conductivity and stability using helical structure (via sciencedaily.com) Original source
Solid-state electrolytes have been explored for decades for use in energy storage systems and in the pursuit of solid-state batteries. These materials are safer alternatives to the traditional liquid electrolyte -- a solution that allows ions to move within the cell -- used in batteries today. However, new concepts are needed to push the performance of current solid polymer electrolytes to be viable for next generation materials.
Published Electric bandage holds promise for treating chronic wounds (via sciencedaily.com) Original source
Researchers have developed an inexpensive bandage that uses an electric field to promote healing in chronic wounds. In animal testing, wounds that were treated with these electric bandages healed 30% faster than wounds treated with conventional bandages.
Published Turning unused signals such as Wi-Fi into energy for electronics (via sciencedaily.com) Original source
We are constantly surrounded by electromagnetic waves such as Wi-Fi. Researchers tested a device to convert this ambient energy into energy for electronic devices.
Published World's highest-performance superconducting wire segment (via sciencedaily.com) Original source
Researchers report that they have fabricated the world's highest-performing high-temperature superconducting wire segment while making the price-performance metric significantly more favorable.
Published Stacking molecules like plates improves organic solar device performance (via sciencedaily.com) Original source
Researchers found that how well light-converting molecules stack together in a solid is important for how well they convert light into electric current. A rigid molecule that stacked well showed excellent electricity generation in an organic solar cell and photocatalyst, easily outperforming a similar flexible molecule that did not stack well. This new way of improving the design of molecules could be used to pioneer the next generation of light-converting devices.