Renewable Energy

May 2016

Maxim claims first stand-alone fuel gauge with SHA-256 authentication

ModelGauge m5

Maxim claims first stand-alone fuel gauge with SHA-256 authentication

Implementing pack-side battery gauges in portable devices is now easier and more secure with the ModelGauge m5 portfolio of MAX17201/MAX17205 and MAX17211/MAX17215 from Maxim Integrated Products. Fuel gauging can be difficult because battery voltage varies with temperature and load, while coulomb-counting requires soph

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Date:

05/31/2016

Interstate Batteries and Aqua Metals form strategic partnership

AquaRefining is a closed-loop, room temperature, water-based recycling method

Interstate Batteries and Aqua Metals form strategic partnership

Aqua Metals, which is commercializing a non-polluting electrochemical lead recycling technology called AquaRefining, announced the signing of definitive agreements with Interstate Batteries. Interstate Batteries is a leading replacement battery brand, the largest independent battery distribution system in North Am

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05/24/2016

DOE explores potential of wind to stabilize grids

Jim Ahlgrimm has been a manager in the U.S. Department of Energy Wind and Water Power Technologies Office since 2002

DOE explores potential of wind to stabilize grids

When the U.S. Department of Energy (DOE) commissioned a 1.5-megawatt (MW) wind turbine in 2009, it became a key player in our research to improve the performance and lower the costs of wind energy systems. In 2015, researchers at the National Wind Technology Center (NWTC) near our National Renewable Energy Laboratory (N

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05/24/2016

Nevada rooftop solar marketplace analysis published

Solar goes up on a rooftop in Nevada

Nevada rooftop solar marketplace analysis published

Noah Long

NRDC and SolarCity have published a new analysis on costs and benefits of rooftop solar energy in Nevada that shows it’s benefitting all utility customers in the state and benefits could significantly increase under good solar policies. The results of the paper, coauthored by Dylan Sullivan, show that Neva

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05/24/2016

Panasonic sponsors TUM's TUfast Racing Team for Formula SAE/Formula Student

Panasonic Automotive & Industrial Systems is sponsoring the TUfast Racing Team from Technical University Munich (TU Munich) for the Formula SAE / Formula Student racing competition

Panasonic sponsors TUM's TUfast Racing Team for Formula SAE/Formula Student

Panasonic Automotive & Industrial Systems is sponsoring the TUfast Racing Team from Technical University Munich (TU Munich) for the Formula SAE / Formula Student racing competition. The team uses Panasonic’s Pyrolytic Highly Oriented Graphite Sheet (PGS), the thinnest thermal solution in the world, as wel

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Date:

05/24/2016

KOSTAL unveils new functions for three-phase PIKO string and battery inverters at Intersolar

At this year's Intersolar exhibition KOSTAL is introducing two new functions for three-phase PIKO string and battery inverters. A new shadow management feature, part of the PIKO smart optimisation concept, ensures maximum yield from partially shaded PV systems, providing better flexibility. Especially advantageo

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05/23/2016

UNSW engineers achieve milestone in solar cell efficiency

A diagram of the spectrum-splitting, four-junction mini-module developed at UNSW

UNSW engineers achieve milestone in solar cell efficiency

A new solar cell configuration developed by engineers at the University of New South Wales has pushed sunlight-to-electricity conversion efficiency to 34.5% – establishing a new world record for unfocused sunlight and nudging closer to the theoretical limits for such a device. The record was set by Dr Mar

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Date:

05/23/2016

Solar-powered stratospheric snooper enters development stage

Stratobus concept image

Solar-powered stratospheric snooper enters development stage

A French weapons manufacturer is developing a stratospheric airship, dubbed the Stratobus, that could act as a high-altitude eye in the sky for government agencies around the world. The €17 million grant from a French government investment program will go towards what Thales Alenia Space described as a

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Date:

05/18/2016

Energy Department expands Solar Ready Vets training

Solar Ready Vets program

Energy Department expands Solar Ready Vets training

the Energy Department announced five additional military bases will join Solar Ready Vets, a solar jobs training program that prepares service members for careers in the solar industry when they leave active duty. The Department is also awarding $10 million to 10 new projects through its Solar Training and Education fo

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Date:

05/18/2016

DOE to spend $10M for innovative bioenergy research and development

The U.S. Department of Energy announced up to $10 million in funding for six projects representing innovative technologies and solutions to advance bioenergy development. These projects, located in Arizona, California, North Carolina, Delaware, and Illinois, will support the Bioenergy Technologies Office's (BETO) wor

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05/17/2016

Winners for NREL’s 26th Solar and Lithium-Ion Car Races announced

Fifty-seven teams from 15 Colorado middle schools gathered at Dakota Ridge High School in Littleton today for the 26th Annual Junior Solar Sprint and Lithium-Ion Battery car competitions. The day's event drew nearly 200 students ready to compete and race the solar- and lithium-ion battery-powered vehicles they des

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05/16/2016

First rechargeable sodium–carbon dioxide battery created

The sodium–carbon dioxide battery could power vehicles in Mars' CO2-rich atmosphere or recycle exhaust CO2 in a hybrid car

First rechargeable sodium–carbon dioxide battery created

The first rechargeable sodium–carbon dioxide battery has been created with the help of a nanostructured cathode. The cheap and potentially powerful battery could fuel Mars vehicles as the red planet’s atmosphere is 96% carbon dioxide or recycle carbon dioxide emissions on Earth. Sodium–carbon dioxide b

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Date:

05/14/2016

IEEFA says wind on the rise, coal on the wane

Energy split in the US

IEEFA says wind on the rise, coal on the wane

As coal dependence falters in the U.S., wind-powered electricity generation is on the rise. In less than a decade, the mix of fuels used for generating electricity has gone a major shift. Twelve states, most of them in the wind-rich Great Plains or the upper Midwest, are getting more than 10 percent of their po

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05/13/2016

Solliance realizes first up-scaled Perovskite-based PV modules with 10% efficiency

Solliance demonstrates a record 10% aperture area power conversion efficiency for its up-scaled thin-film perovskite photovoltaic modules. The efficiency was measured on an aperture area of 168 cm2. Twenty-five cells were serial connected through an optimized P1, P2, P3 interconnection technology. The PV module wa

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Date:

05/09/2016

Quiescent current in power supply designs

Meng He, Maxim Integrated

Now more than ever, the blooming of the Internet of Things (IoT) has been putting emphasis on the longevity of battery life. Every IoT node demands a battery to operate. A household of two people can have anywhere from 20 to 60 batteries in use at any time, and consumers can’t be burdened with the need to ch

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Date:

05/07/2016

Fast switching just got safer

Ashish Gokhale, Isolation Products Manager, Silicon Labs

Isolated power supply systems are prevalent in server systems, industrial applications, and telecommunication and networking equipment. In this bandwidth-hungry age of the Internet of Things (IoT), a growing number of these systems need to be efficiently powered, driving up the need for power-efficient, cost-effective so

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Date:

05/07/2016

Powering the IoT future

Rob Morris, Country Manager for Powervar UK

In the age of the ‘Internet of Things’ (IoT) economy, smartphones are replacing hotel keys, and facilities managers (FM) are beginning to notice the reward in using big data to monitor customer behavior in hotels, shops and restaurants, as well as monitoring employee engagement and wellbeing in offices. By

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Date:

05/07/2016

High isolation voltage flyback transformer - Part 2

Edgar C. Taculog, TT Electronics

Part 1 of this article provided an overview of TT Electronics’ AEC Q200 qualified and certified transformers, which are optimized for use with a gate drive optocoupler to improve and simplify the design of isolated power supplies. This introduction looked at the theory of operation and how this impacts on ke

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Date:

05/07/2016

Advanced overvoltage protection

Carlos Augusto Schlabitz Filho, EPCOS

Overvoltages and the associated high surge currents can damage, or even destroy electrical and electronic devices. Reliable overvoltage protection is therefore essential. On the basis of a new ceramic material, TDK has now developed a high-surge series of multilayer varistors that combine compact dimensions wi

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Date:

05/07/2016

Pohang University researchers create advanced miniaturized fuel cell

Prof. Choi and his Ph.D. student Kun Joong Kim

Pohang University researchers create advanced miniaturized fuel cell

Drones are used for various applications such as aero picturing, disaster recovery, and delivering. Despite attracting attention as a new growth area, the biggest problem of drones is its small battery capacity and limited flight time of less than an hour. A fuel cell developed by Pohang University's Prof. Gyeong Man

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Date:

05/04/2016

Researchers develop silicon-sulfur battery built on 3D graphene

Electrochemical performances of full lithiated silicon-sulfur battery built from 3D cpS-G networks cathode and 3D lithiated Si-G anode. a) Schematic illustration of a new configured lithiated silicon-sulfur battery onto 3D graphene networks. b) Selected voltage profiles of lithiated silicon-sulfur battery from 1st to 100th at 0.27 A g-1 based on the total mass of cathode and anode). c) Selected voltage profiles of lithiated silicon-sulfur battery at various current densities from 0.27 to 2.7 A g-1. d) Rate capabilities of Si-S battery and e) long cycle performances of full lithiated silicon-sulfur battery built on 3D graphene

Researchers develop silicon-sulfur battery built on 3D graphene

Researchers at Beihang University in Beijing have developed a new Li-sulfur battery using honeycomb-like sulfur copolymer uniformly distributed onto 3D graphene (3D cpS-G) networks for a cathode material and a 3D lithiated Si-G network as anode. In a paper published in the RSC journal Energy & Environme

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Date:

05/04/2016

Wuerth's REDline Power Boxes offer custom configuration in a standard housing

Wuerth's REDline Power Boxes offer custom configuration in a standard housing

Wuerth's REDline Power Boxes offer custom configuration in a standard housing

A novel approach to enabling power distribution, signal transmission, and function management in commercial vehicles, the REDline Power Box family is the name of the new system solution from Wuerth Elektronik ICS. With this series, the leading development partner and supplier of circuit-board-based central electrical sy

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Date:

05/04/2016

Do You Have a Plan B?

Tony Armstrong, Linear Technology

Being a Sci-Fi geek, I am a fan of the late 1950’s Hollywood “cheesy” low budget Ed Wood movies typical of this genre. One of my favorite films is “Plan 9 from Outer Space,” in which aliens come to Earth to stop humanity from building a doomsday weapon that could destroy the entire universe. However, th

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Date:

05/04/2016

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