Skip navigation
1 2 3 Previous

Power & Energy

87 posts
The UK has been having really nice (hot) weather recently, although there was a brief rainstorm, and possibly lightning during periods over the last few days. We have small pear and plum trees, about 15-20 feet high perhaps. Anyway, the leaves looked really strange today : ( I'm not sure, but I'm wondering if lightning caused it. There are large trees from neighbouring properties that are much taller, and close by. There was some scattering of strange leaves in them too, and generally in the s ...
Murata's small energy devices (UMA series) can be charged very quickly because they can be charged-discharged at a high rate of 10C or more.   If using UMA series as main power supply, you can use the equipment soon by quick charge even when power runs out. In this demo video, further details are provided with comparisons to supercapacitors. UMA series - Application example: Main Power Supply     Related articles: Part 1: Murata to realize Energy Harvesting for IoT - UMA se ...
Researchers at Harvard have created a new organic molecule for flow batteries that promises to be a longer lasting and inexpensive alternative to lithium-ion batteries. This flow battery uses a new organic molecule that’s longer lasting and performs better than other flow batteries outlives and outperforms its predecessors (Photo via Harvard)   Harnessing energy from clean sources is important if we want to replace fossil fuels that are polluting the earth. The problem is we need a w ...
Researchers at Sandia National Laboratories have created a device made out of common materials that can convert heat into electrical power. The rectenna, short for rectifying antenna, catches and converts heat waste into electrical power. (Photo via Sandia National Laboratories)   It’s easy to convert electrical power to heat. We do it on a daily basis without even recognizing it. For example, it happens in your toaster. But when you try to do the opposite – converting heat in ...
The 3D battery is a proof of concept but has the potential to change how batteries work. A mockup of the 3D battery architecture with interpenetrating anode, separator, and cathode each about 20 nanometers in size. (Photo via Cornell University)   Companies are rushing to make smart devices sleeker, more powerful, and faster than last year’s model. But one thing that they still have trouble nailing down is reliable battery life. Battery life is the top concern for consumers and often ...
Trolysis introduces their long-awaited flagship system to consumers, which promises to be a cheaper and more efficient alternative to traditional fuel. Though it looks like a trash compactor, this system actually turns aluminum into fuel (Photo via Trolysis)   There’s so much more to aluminum than a building material. The material itself is strong, lightweight, and inexpensive. It’s found in various objects from soda cans to cars. But did you ever think aluminum could be used a ...
The left shows MU’s honeycomb structure for the material, while right shows diode-type behavior of current flowing in one direction (Photo via University of Missouri)   There’s no question that smart devices, like phones and laptops, have made our lives a bit easier. But the biggest complaint about them, aside from increasing price, is the battery life. No matter how many times you upgrade your phone or how long you charge your laptop, the battery never lasts. Is there a soluti ...
General Electric’s department of renewable energy is working on a new wind turbine that will contribute to reducing the cost of electricity. Comparison chart of the Haliade-X to other important buildings. (Image via GE)   The US firm General Electric (GE) has a department of Renewable energy that puts the company among the leading providers of wind turbines. With more than 35,000 wind turbines around the globe, GE’s renewable energy department does not just build the turbines; ...
The TI LED BoosterPack has some interesting power devices. There's a Buck converter, a low drop linear regulator, a few Boost converters with power MOSFETs. The board also has 8 RGB power LEDs and current sensing circuits. Enough interesting electronics to investigate. In this first post, an overview   History  This is one of the lesser known BoosterPacks. It's marketed for the C2000 family, although it can be used by any 3.3 V development board. The only requirements are PWM and ...
Shameless plug to my recently published paper!  It's open source so you should be able to view it.   Key findings: Supercapacitors do not behave like other capacitors (obvious if you've used one).  Mainly in that their charge profile is not linear due to an internal distribution of time constants.  This means that you can charge a SC up to 1V, say, for 1s, then go open circuit and the voltage will seemingly drop, or sag.  If you do the same test but hold the 1V charge ...
Murata's small energy devices (UMA series), with high capacitance in a small package, can provide high-power backup for system or data for a long time in case of power failure. They can also contribute to a maintenance-free system because of their long cycle life characteristics.   In this demo video, further details are provided with comparisons to supercapacitors.   UMA series - Application example: Backup     Related articles: Part 1: Murata to realize Energy Harvesting ...
The Japanese car company Nissan is reusing some of the batteries from its electric cars in a new program to power cities’ streetlights. A lamp prototype of the light reborn program promo video (Image via Nissan)   As the debate on climate change and everyone’s carbon footprint continues, it is becoming evident that the world needs cleaner sources of energy, which mankind could adapt to all uses possible. That must be the driving factor in the fever automobile companies got to m ...
Murata’s small energy devices (UMA series) are optimum storage devices for energy harvesting. They can be used over a wide input and output range, and can store precious harvested energy for long time with low loss because they have low leakage current performance. In this demo video, further details are provided with comparing to other storage devices. UMA series - Application example: Energy harvesting Related articles: Part 1: Murata to realize Energy Harvesting for IoT - UMA serie ...
Murata’s small energy devices are secondary batteries offering high-rate charge-discharge characteristics of up to 10C in addition to a long cycle life. The award-winning UMA series is well suited as a power supply for small power portable equipment or as a backup power supply. UMA series - Features & Benefits Related articles: Part 1: Murata to realize Energy Harvesting for IoT - UMA series / Overview Part 3: Murata to realize Energy Harvesting for IoT - UMA series / Energy harvest ...
Learn all about Murata’s award-winning small energy devices (UMA series). The UMA energy saving devices can be used as a power supply or secondary battery for backup in various applications such wearable devices and healthcare. UMA series - Overview These energy devices can provide a safe and small solution for your next design. Related articles: Part 2: Murata to realize Energy Harvesting for IoT - UMA series / Features & Benefit Part 3: Murata to realize Energy Harvesting for ...