category: Research: LPHP

category: IoT, Security & Automotive

Power/Performance Bits: Nov. 15
By Jesse Allen - 15 Nov, 2016 - Comments: 0

Another record-breaking tandem perovskite solar cell University of California, Berkeley, and Lawrence Berkeley National Laboratory scientists report a new design for perovskite solar cells that achieves an average steady-state efficiency of 18.4%, with a high of 21.7% and a peak efficiency of 26%. "This has a great potential to be the cheapest photovoltaic on the market, plugging into any... » read more

Power/Performance Bits: Nov. 8
By Jesse Allen - 08 Nov, 2016 - Comments: 0

Scrap metal batteries A research team at Vanderbilt University used scraps of steel and brass - two of the most commonly discarded materials - to create a steel-brass battery that can store energy at levels comparable to lead-acid batteries while charging and discharging at rates comparable to ultra-fast charging supercapacitors. The researchers found that when scraps of steel and brass a... » read more

Power/Performance Bits: Nov. 1
By Jesse Allen - 01 Nov, 2016 - Comments: 0

New approach to switches According to the National Resource Defense Council, Americans waste up to $19 billion annually in electricity costs due to always-on digital devices in the home that suck power even when they are turned off. With that in mind, a team from University of Utah devised a new kind of switch for electronic circuits that uses solid electrolytes such as copper sulfide to ... » read more

Power/Performance Bits: Oct. 25
By Jesse Allen - 25 Oct, 2016 - Comments: 0

Energy-harvesting floor Engineers at the University of Wisconsin-Madison developed a flooring material which can be used as a triboelectric nanogenerator to convert footsteps into electricity. The method uses wood pulp, a common waste material already often used in flooring. The pulp is partly make of cellulose nanofibers, which when chemically treated produce an electrical charge when th... » read more

Power/Performance Bits: Oct. 18
By Jesse Allen - 18 Oct, 2016 - Comments: 0

Speeding up memory with T-rays Scientists at the Moscow Institute of Physics and Technology (MIPT), the University of Regensburg in Germany, Radboud University Nijmegen in the Netherlands, and Moscow Technological University proposed a way to improve the performance of memory through using T-waves, or terahertz radiation, as a means of resetting memory cells. This process is several thousand... » read more

Power/Performance Bits: Oct. 11
By Jesse Allen - 11 Oct, 2016 - Comments: 2

Getting to 1nm Researchers at the Lawrence Berkeley National Laboratory, UC Berkeley, University of Texas at Dallas, and Stanford University created a transistor with a working 1nm gate from carbon nanotubes and molybdenum disulfide (MoS2). "The semiconductor industry has long assumed that any gate below 5 nanometers wouldn't work, so anything below that was not even considered," said fir... » read more

Power/Performance Bits: Oct. 4
By Jesse Allen - 04 Oct, 2016 - Comments: 0

Solar battery Chemists at the University of Wisconsin–Madison and the King Abdullah University of Science and Technology in Saudi Arabia integrated solar cells with a large-capacity battery in a single device that eliminates the usual intermediate step of making electricity and, instead, transfers the energy directly to the battery's electrolyte. The team used a redox flow battery, or R... » read more

Power/Performance Bits: Sept. 27
By Jesse Allen - 27 Sep, 2016 - Comments: 0

Self-organizing circuits Researchers studying the behavior of nanoscale materials at the Department of Energy's Oak Ridge National Laboratory discovered that due an unusual feature of certain complex oxides called phase separation, individual nanoscale regions can behave as self-organized circuit elements, which could support new multifunctional types of computing architectures. "Within a... » read more

Power/Performance Bits: Sept. 20
By Jesse Allen - 20 Sep, 2016 - Comments: 0

Energy-harvesting fabric Researchers at the Georgia Institute of Technology and Chongqing University in China developed a fabric that can simultaneously harvest energy from both sunshine and motion. The fabric, just .32mm thick, was constructed using a commercial textile machine to weave together solar cells constructed from lightweight polymer fibers with fiber-based triboelectric nanoge... » read more

Power/Performance Bits: Sept. 13
By Jesse Allen - 13 Sep, 2016 - Comments: 0

Core-to-core communication Most research featured in the Power/Performance Bits has far-off applications, but a team from North Carolina State University and Intel developed something that could be brought into practice today: a way to accelerate core-to-core communication. Many important workloads incur significant core-to-core communication and are affected significantly by the costs, i... » read more

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