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Energy Efficiency

 



 

 

Energy Efficiency

February 2018
Solar-to-Hydrogen Conversion: Nanostructuring Increases Efficiency of Metal-Free Photocatalysts by Factor 11

PCN nanolayers under sunlight can split water.

One of the major challenges of the energy transition is to supply energy even when the sun is not shining. Hydrogen production by splitting water with the help of sunlight could offer a solution. Hydrogen is a good energy storage medium and can be used in many ways. However, water does not simply split by itself.
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Date:
02/28/2018
Over the past few years, Silicon Carbide (SiC) devices have seen a substantial rise in popularity. This has been fueled by an increased focus on saving energy, reducing the size of devices, and improving the long term reliability of the final products. Traditional silicon-based devices are reaching the physical
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Date:
02/27/2018
Army Researchers are After Cost-Effective Safer, Lighter Batteries

Joint modeling and experimental work by the US Army Research Laboratory and the Georgia Institute of Technology is focused on the development of batteries that improve the safety and energy density of ones currently found on the battlefield, and is featured on the cover of the prestigious Advanced Energy Materials journal.

Scientists at the U.S. Army Research Laboratory and the Georgia Institute of Technology are focused on the development of batteries that improve the safety and energy density of ones currently found on the battlefield. The joint modeling and experimental work reports on the progress towards the discovery
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Date:
02/27/2018

PSDcast - LED Aerial Obstruction Lighting

Mexico City's Torre Latinoamericana.

In this episode of the PSDcast, we're chatting with Dialight about their recent LED upgrade of the Torre Latinoamericana's aerial obstruction lighting system. The Federal Aviation Administration (FAA) and Mexico's equivalent, the Directorate General of Civil Aeronautics (DGAC) require obstruction lighting for
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Date:
02/26/2018
Charging Ahead to Higher Energy Batteries

Image (a) is a cross-sectional SEM image of the Li5La3Nb2O12 crystal layer and image (b) shows computationally simulated trajectories of the Li, La, Nb, and O framework atoms obtained for Σ3 (2-1-1) = (1-21) at a temperature of 1300 K.

Researchers have developed a new way to improve lithium ion battery efficiency. Through the growth of a cubic crystal layer, the scientists have created a thin and dense connecting layer between the electrodes of the battery. Professor Nobuyuki Zettsu from the
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Date:
02/26/2018
DOE Grants $10.6 Million to Produce More Biodiesel, Biojet Fuel

University of Illinois research project Renewable Oil Generated with Ultra-productive Energycane (ROGUE) will transform energycane and Miscanthus (pictured) into sustainable sources of biodiesel and biojet fuel with support from the US Department of Energy.

The U.S. Department of Energy (DOE) awarded the University of Illinois a $10.6 million, five-year grant to transform two of the most productive crops in America into sustainable sources of biodiesel and biojet fuel. The new research project Renewable Oil Generated with Ultra-productive Energycane--or ROGUE--kicks
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Date:
02/26/2018
Developing a 'Living Lab' to Study Energy-Efficient Logistics

Rensselaer will receive $2 million -- in collaboration with private sector companies and local transportation agencies -- to foster changes in freight demand patterns to reduce energy use, enhance quality of life, improve economic productivity, incorporate efficient practices into freight logistics, and publish lessons learned.

Troy, N.Y. -- The transportation sector is one of the largest consumers of energy. The energy consumption of the freight sector is growing faster than the overall sector, according to researchers. This is the case of light trucks and medium/heavy trucks that consume 32.1 percent and 22.7 percent of the energy
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Date:
02/23/2018
$1.8m From DOE Supports Innovative Waste Heat Recovery System

The turbocompressor is one of the key components to Todd Bandhauer's waste heat recovery system.

Feel the heat radiating off a running car or touch the top of a warm refrigerator. Both are examples of mechanical processes that generate "waste heat." On a small scale, like running household appliances, waste heat might not seem like a big deal. But on a large scale, like running a backup
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Date:
02/22/2018
Digestive Ability of Ancient Insects Could Boost Biofuel Development

The firebrat and silverfish are close relatives and have the ability to digest cellulose.

A study of the unusual digestive system of an ancient group of insects has provided new insights into future biofuel production. Published in Nature Communications, the research reveals that the ability of some insects to efficiently digest cellulose could be exploited for industrial processes,
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Date:
02/22/2018
Qualcomm Incorporated announced that its subsidiary, Qualcomm Technologies, Inc., is working with an ecosystem of leading carmakers and automotive suppliers to accelerate the commercial introduction of Cellular Vehicle-to-Everything (C-V2X) technology using the Qualcomm 9150 C-V2X chipset solution.
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Date:
02/22/2018
60-Page Catalog Features Utility Management, Leak Detection, Submetering, Thermostat Control, and Reporting Solutions for Multi-Family Facilities
Bensalem, PA— H2O Degree announces a new 60-page catalog, “Utility Management Solutions for Multi-Family Facilities,” that simplifies the application and specification process for everyone involved – from building owners and managers to engineers and maintenance staff. Now available
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Date:
02/22/2018
Schottky Diodes Designed to Endure High-Pollution Environments
Wolfspeed, a Cree Company, has expanded its C4D family of 1200V SiC Schottky diodes to introduce three new products in a TO-247-2 type package. The increased spacing between the two leads provides more than twice the creepage and clearance distance compared to standard TO-247-3 and TO-220-2 packages. “Improved
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Date:
02/22/2018
FCT’s broad product portfolio now in stock at TTI, Inc.
FCT's broad product portfolio including a range of connectors, contacts, hoods, tools and more is available in Europe through TTI, Inc. A Molex company, FCT’s products also encompasses customised solutions meeting individual needs and providing design flexibility.
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Date:
02/21/2018
Simplify Industrial-Grade Linux Designs with SAMA5D2 MPU-Based System On Module (SOM)
There is a great deal of design effort and complexity associated with creating an industrial-grade microprocessor (MPU)-based system running a Linux® operating system. Even developers with expertise in the area spend a lot of time on PCB layout to guarantee signal
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Date:
02/21/2018
ON Semiconductor announces new set of low power, fully compliant USB-C 1.3 devices
ON Semiconductor has announced the latest set of USB-C (Type-C) devices that are fully compliant with the latest revision 1.3 specification, enabling easy integration into USB-C systems. The new devices include two controllers and a switch, all of which are aimed
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Date:
02/21/2018
Mouser Now Stocking Microchip PIC18 K83 MCUs with CAN and Core Independent Peripherals for Improved Response Time
Mouser Electronics is now stocking PIC18 K83 microcontrollers from Microchip Technology. The new 8-bit microcontrollers combine a Controller Area Network (CAN) bus with an extensive array of Core Independent Peripherals (CIPs) to improve response time to critical
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Date:
02/21/2018
Renesas Electronics Unveils New Renesas Synergyâ„¢ Website and Solutions Gallery for IoT Developers
Renesas Electronics Corporation announced the newly updated Renesas Synergy™ Platform website and Solutions Gallery that place the power of the Synergy ecosystem – from software to hardware – into the developers’ hands. The site refresh makes it easier for
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Date:
02/21/2018
Selecting Components based on Measurement Data
Würth Elektronik eiSos has expanded the capabilities of its REDEXPERT free simulation software by adding more search modules for additional applications. From now on, LEDs, varistors and PFC coils can also be selected in a practice-oriented way on the basis of the
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Date:
02/21/2018
HARTING Technology Group strengthens its commitment in Mexico
The HARTING Technology Group intends to further expand its market position in North and Central America over the coming years. The comments were made by Jon DeSouza, President and CEO of HARTING Americas, in front of a group of journalists in Silao. Since 2016, HARTING
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Date:
02/21/2018
Power Supplies for Railway Applications â€

Figure 1. The range of railway applications is very wide

In a study presented at the international rail exhibition, Innotrans 2016 in Berlin, the European Rail Industry summarized the state of the business as representing a market size estimated to reach 185 billion Euro by 2020. Of course, the power supplies share of that amount is marginal compared to heavy rolling
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Date:
02/21/2018
World's First Solar Fuels Reactor for Night Passes Test

CONTISOL was tested at Cologne, Germany using simulated 'suns', rather than an actual solar field, and the storage and heat exchanger was also simulated, because the reactor itself is the innovation being tested

International solar thermal energy researchers have successfully tested CONTISOL, a solar reactor that runs on air, able to make any solar fuel like hydrogen and to run day or night - because it uses concentrated solar power (CSP) which can include thermal energy storage. The promise of solar fuels
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Date:
02/21/2018
New Bill Aims to Give Calif. Businesses, Schools and Nonprofits More Access to Solar Energy
SACRAMENTO, Calif. and WASHINGTON, D.C. - The Solar Energy Industries Association (SEIA) commended legislation filed in the California Legislature on Friday that would make it easier for businesses, schools, nonprofits and municipalities to access solar energy. In turn, this will help generate thousands of new
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Date:
02/20/2018
Computers aid Discovery of new, Inexpensive Material to Make LEDs With High-Color Quality
A team led by engineers at the University of California San Diego has used data mining and computational tools to discover a new phosphor material for white LEDs that is inexpensive and easy to make. Researchers built prototype white LED light bulbs using the new phosphor. The prototypes exhibited better color
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Date:
02/20/2018
Horticulture Lighting Drives Plant Growth

Figure 1. Horticulture Facility

The market for light-emitting diodes (LEDs) has been experiencing continuous growth for several years. The reasons for this include, for instance, the low costs of the LEDs, whose energy efficiency and capabilities, brightness, and color scheme can be adapted individually to the respective requirements. In addition,
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Date:
02/19/2018
The Future of MicroLED Displays Using Next-Generation Technologies

Figure 1. Brightness in Daylight

MicroLEDs (micro-light-emitting diodes) are an emerging display technology that, as the name implies, use very small LEDs for pixels. Much the same as any other current display technology, it combines red, green and blue sub-pixels to reproduce a colour. Although there are currently no microLED displays in mass
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Date:
02/19/2018
Smart yet Frugal: Energy-Saving, Next-Generation Lighting

Figure 1. The FL7740 and FL7760 are a complete dimmable solution for modern LED lighting

Lighting is important to us – a fact borne out by an estimate from the US Energy Information Administration that we use the same amount of energy to light our homes (129 Billion kWh – 9% of total consumption) as the total amount we use to wash and dry our clothes, use our computers and cook. However,
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Date:
02/19/2018
The global LED lighting market is undergoing a drastic change, propelled by the exponential urban expansion expected over the coming years, and the drive towards increased energy efficiency. In fact, the global LED lighting market is expected to surpass $100 Billion by the end of 2024, according to new data
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Date:
02/19/2018
The new Bioenergy Research Center: Building on ten Years of Success
AUSTIN, Texas -- Building on the success of 10 years of investigation into the production of renewable fuels from plants, the Great Lakes Bioenergy Research Center (GLBRC), led by the University of Wisconsin-Madison, recently embarked on a new mission: to develop sustainable alternatives to transportation fuels
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Date:
02/19/2018
Unconventional Superconductor may be Used to Create Quantum Computers of the Future

After an intensive period of analyses the research team led by Professor Floriana Lombardi, Chalmers University of Technology, was able to establish that they had probably succeeded in creating a topological superconductor.

With their insensitivity to decoherence what are known as Majorana particles could become stable building blocks of a quantum computer. The problem is that they only occur under very special circumstances. Now researchers at Chalmers University of Technology have succeeded in manufacturing a component that is
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Date:
02/19/2018
Electric Eel-Inspired Device Reaches 110 Volts

Electric Eel-Inspired Device Reaches 110 Volts: This photo depicts the printed, high voltage implementation of the artificial electric organ. A 3-D bioprinter was used to deposit arrays of gel precursor droplets onto plastic substrates, which were then cured with a UV light to convert them into solid gels. Alternating high-salinity and low-salinity gels (red and blue gels, respectively) were printed onto one substrate, and alternating cation-selective and anion-selective gels (green and yellow gels, respectively) were printed onto a second substrate. When overlaid, these gels connect to form a conductive pathway of 612 tetrameric gel cells that can be used to generate up to 110 volts.

WASHINGTON, D.C. -- In an effort to create a power source for future implantable technologies, a team led by Michael Mayer from the University of Fribourg, along with researchers from the University of Michigan and UC San Diego, developed an electric eel-inspired device that produced 110 volts from gels filled
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Date:
02/19/2018
Single 2MHz Buck-Boost Controller Drives Entire  LED Headlight Cluster, Meets CISPR 25 Class 5 EMI

Figure 1. LT8391A 2MHz 16V, 1.5A automotive buck-boost LED driver passes CISPR 25 Class 5 EMI

Automobile LED headlight clusters combine high and low beams, daytime running lights, and sometimes signal and clearance lights into a single headlight cluster. The components of the cluster can have vastly different driver requirements, including voltage and current requirements, topologies, power levels or
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Date:
02/16/2018
Energy Labeling Protocols for External Power Supplies Will Keep Getting Tougher and Reaching Further

Figure 1. Authorities worldwide have adopted EPS energy-labeling protocols, and introduced stricter targets with each subsequent revision.

Recent delays in the introduction of mandatory energy-performance standards should not be interpreted as a slackening in the pace of regulatory change. Energy-performance standards for high-tech products can become more effective in helping protect the planet by being more broadly adopted worldwide
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Date:
02/16/2018
Toshiba releases 100V N-channel power MOSFETs for industrial applications
Toshiba Electronics Europe has started to ship two new 100V additions to its low-voltage U-MOS IX-H N-channel power MOSFET series. The new devices are ideally suited to power supply applications in industrial equipment as well as motor control applications.
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Date:
02/14/2018
LYTSwitch-6 LED Drivers from Power Integrations Feature High Efficiency and Very Low Standby Power
Power Integrations today announced the LYTSwitch™-6 family of safety-isolated LED-driver ICs for smart lighting applications. The new ICs deliver flicker-free output up to 65 W, and feature up to 94% efficiency and as little as 15 mW standby power, with configuration
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Date:
02/14/2018
HANNOVER MESSE 2018: HARTING relies on “partneringâ€
The HARTING Technology Group will once again be showcasing numerous new products and solutions at the HANNOVER MESSE (23 to 27 April 2018). This year, HARTING (Hall 11 / Stand C13) will highlight the importance of Integrated Industry partnerships by way of a few
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Date:
02/14/2018
Now at Mouser: STMicroelectronics’s STWLC33 Inductive Power Receiver Delivers 15W Qi and AirFuel Wireless Charging
Mouser Electronic is now stocking the STWLC33 inductive wireless power receiver from STMicroelectronics (ST). One of ST’s Wireless Power Transfer solutions, the STWLC33 is an integrated, multi-mode wireless power-receiver solution optimized for portable high-speed
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Date:
02/14/2018
New DC-DC converter family powers modern railway applications
Vicor has released its next generation of DCMs with a family of wide input range (43 – 154V input) 3623 (36 x 23mm) ChiPs with power levels up to 240W and 93% efficiency, targeted at new rail transportation and infrastructure applications.
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Date:
02/14/2018
Innovations in Lighting and Illumination
Innovation in electronics in lighting has greatly increased the efficiency of the process of converting electrical energy into light.  Energy savings have been increased further by increased knowledge of the effects of light intensity and wavelengths on plants, animals and humans.   Not only has
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Date:
02/14/2018
Taking Stock of the Incandescent Light Bulb
So how’s that incandescent ban treating you? Six years in, questions abound regarding the ban’s necessity, its effectiveness, and whether a ban exists in the first place. Back
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Date:
02/14/2018
Hydride transfer is an important reaction for chemistry (e.g., fuel cells), as well as biology (e.g., respiratory chain and photosynthesis). Often, one partial reaction involves the transfer of a hydride ion (H(-)). But does this hydride transfer involve one step or several individual steps? In the journal Angewandte
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Date:
02/14/2018
More Than a Well-Balanced Breakfast: Scientists use Egg Whites for Clean Energy Production

Hydrogen (H2) evolution systems constructed in cross-linked porous lysozyme crystals by immobilizing Pt nanoparticles as H2-evolution catalysts in immediate proximity to an organic photosensitizer, rose bengal.

Eggs may soon fuel more than people in the morning. Researchers from the Osaka City University in Japan have developed a way to potentially use egg whites as a substrate to produce a carbon-free fuel. They published their results on February 2nd in
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Date:
02/14/2018
Powerful LED-Based Train Headlight Optimized for Energy Savings

A new train headlight design uses two half-circular parabolic, or cup-shaped, aluminized reflectors with high-efficiency LEDs placed in the plane where the two reflectors come together. Combining the strong beams from each reflector generates the light intensity necessary to meet safety guidelines.

WASHINGTON -- Researchers have designed a new LED-based train headlight that uses a tenth of the energy required for headlights using conventional light sources. If operated 8 hours every day, the electricity savings of the new design would reduce emissions of the greenhouse gas carbon dioxide by about 152 kilograms
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Date:
02/13/2018
Cost-Reduction Roadmap Outlines two Pathways to Meet DOE Residential Solar Cost Target for 2030
Leveraging cost-reduction opportunities in the roof replacement or new construction markets for residential photovoltaic (PV) installations could help the United States meet the U.S. Department of Energy (DOE) Solar Energy Technologies Office (SETO) residential solar photovoltaic cost target by 2030, according
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Date:
02/13/2018
New Lithium Collection Method Could Boost Global Supply
With continual technological advancements in mobile devices and electric cars, the global demand for lithium has quickly outpaced the rate at which it can be mined or recycled, but a University of Texas at Austin professor and his research team may have a solution. Benny Freeman, professor in the
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Date:
02/09/2018
Army-Led Effort Demos new Atomic Effect for Potential Isotopic Battery

The cover image is an artistic impression of the process of nuclear excitation by electron capture. A highly stripped ion, illustrated here as an atomic nucleus with a single orbiting electron, captures an incident electron into a vacant orbit. Under the right conditions, this capture transfers a small amount of energy into the nucleus, which subsequently emits a much larger amount of energy in the form of gamma rays.

ADELPHI, Md. - A multinational research team led by Army scientists successfully induced a controlled release of stored isotopic energy using a physical effect involving atomic electrons that was proposed more than 40 years ago but never before demonstrated experimentally. Scientists said this significant
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Date:
02/08/2018
Removing fossil fuel subsidies would have only a small effect on CO2 emissions and renewable energy use, new research has shown. The largest emissions savings would be in oil and gas exporting countries, where fewer poor people would be affected, and subsidy removal can be aided by currently low oil prices. Fossil
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Date:
02/07/2018
LED Drivers Feature High Efficiency and Very Low Standby Power
SAN JOSE, Calif. – Power Integrations announced the LYTSwitch-6 family of safety-isolated LED-driver ICs for smart lighting applications. The new ICs deliver flicker-free output up to 65 W, and feature up to 94% efficiency and as little as 15 mW standby power, with configuration options for two-stage or single-stage
. . . Read More
Date:
02/07/2018
Renesas Electronics Unveils Industry-Leading Fully Encapsulated Dual 30A and Single 33A Digital Power Modules
Renesas Electronics announced two new fully encapsulated digital DC/DC PMBus power modules that deliver the highest power density and efficiency in their class. The dual ISL8274M operates from a 5V or 12V power rail, provides two 30A outputs and up to 95.5% peak
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Date:
02/07/2018
Toshiba Electronics Europe has today announced a new USB-based Bluetooth development platform based around their innovative and advanced TC35678 BT 4.2 single-chip Bluetooth Low Energy (LE) controller. The BMSKUSBBT1760A(P) USB board reduces development time and
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Date:
02/07/2018
Now at Mouser: TDK’s Ultra-Thin PiezoHapt Actuator Provides Fast Haptic Feedback for Wearables and More
Mouser Electronics is now stocking the PiezoHapt ultra-thin actuator from TDK. Expanding TDK’s portfolio of haptic devices, including the PowerHap actuator, the PiezoHapt is one of the world's thinnest haptic components on the market today. With a thickness of
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Date:
02/07/2018
Now at Mouser: Amphenol Industrial Amphe-PD Series Connectors Distribute High Currents with Less Heat
Mouser Electronics is now stocking the Amphe-PD series connection system from Amphenol Industrial. Designed to connect wire-to-wire, wire-to-board, and busbar terminations, the Amphe-PD series distributes higher currents with less heat than similar-sized connectors.
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Date:
02/07/2018
Short lead-times for custom or configured AC power supplies from Powerstax
Powerstax offers clean, reliable AC Power sources from Behlman Electronics with a range covering 1350VA to 120kVA. In the mid-range are the BL-Series with outputs available from 3000VA through 20kVA. The BL-Series has a wide range of standard options making a custom
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Date:
02/07/2018
New power inductors ETQ-P3M for automotive applications from Panasonic feature high heat and vibration resistance
Panasonic Industry Europe is launching new highly reliable power inductors for automotive and other strenuous applications requiring high heat (up to +150°C including self-heating) and vibration resistance (up to 30G).
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Date:
02/07/2018
KEMET’s new High Voltage C0G Ceramic Capacitors meet wide bandgap semiconductors trend in automotive and commercial applications - now in stock at TTI, Inc.
KEMET has expanded its commercial and automotive grade high voltage C0G Ceramic Capacitors as increasing use of wide band power semiconductors in power electronics applications drives forward new inverter and DC/DC converter designs with far greater power density,
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Date:
02/07/2018
Is Hydrogen the Fuel of the Future?

As the race to find energy sources to replace our dwindling fossil fuel supplies continues apace, hydrogen is likely to play a crucial role in the future.

As the race to find energy sources to replace our dwindling fossil fuel supplies continues apace, hydrogen is likely to play a crucial role in the future. Japan has already announced its intention to become the world's first "hydrogen society" - aiming to open 35 hydrogen fuelling stations
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Date:
02/06/2018
MILPITAS, Calif. — Worldwide silicon wafer area shipments in 2017 increased by 10 percent against 2016 shipments, while worldwide silicon revenues rose by 21 percent over 2016 levels, reported the SEMI Silicon Manufacturers Group (SMG) in its year-end analysis of the silicon wafer industry. Silicon
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Date:
02/06/2018
Smart New Method to Manufacture Organic Solar Cells

In a semi-transparent solar cell module as shown in the photograph, electrodes with two variants of the polymer PEDOT:PSS (commonly used in organic electronics) are used, where one acts as the anode and the other is modified to become the cathode. What appear as stripes across the solar cell module are lines of either cathode-type or anode-type material. The active layer that absorbs light and produces electrons is located between these electrodes. The individual solar cells are connected in series in the module.

The ability to use cheap materials and simple manufacturing methods are two huge advantages of printed organic solar cells. Olle Inganäs, professor at Linköping University, is head of a research group that has now developed an even simpler method to manufacture solar cell modules. The results have been published
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Date:
02/05/2018
Round-the-Clock Power From Smart Bowties

Overlapping metal arms shaped like a bowtie form a 'rectenna' that captures free, renewable infrared energy.

Most sunlight striking the Earth is absorbed by its surfaces, oceans and atmosphere. As a result of this warming, infrared radiation is emitted constantly all around us--estimated to be millions of Gigawatts per second. A KAUST team has now developed a device that can tap into this energy, as well as waste heat
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Date:
02/05/2018
New Method Could Open Path to Hydrogen Economy

WSU researchers have found a way to create large amounts of inexpensive nanofoam catalysts that can facilitate the generation of hydrogen on a large scale by splitting water molecules.

PULLMAN, Wash. - Washington State University researchers have found a way to more efficiently generate hydrogen from water - an important key to making clean energy more viable. Using inexpensive nickel and iron, the researchers developed a very simple, five-minute method to create large amounts of
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Date:
02/01/2018

 



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